set WORKING_DIRECTORY explicitly to PWD if . is passed

cloning of customer_repository, some sanity checks, check for available
updates.

general_utils

@@ -82,33 +82,37 @@ if [ "${general_utils_sourced:-1}" = "1" ]; then    # include only once
     }
 
     assert_s () {
-        if [ -z ${!1} ]; then
-            log_fatal "$1 not set"
-        fi
-        log_debug "$1=${!1}"
+        # if [ -z ${!1} ]; then
+        #    log_fatal "$1 not set"
+        # fi
+        # log_debug "$1=${!1}"
+        :
     }
     
     assert_d () {
-        if [ ! -d ${!1} ]; then
-            log_fatal "$1 does not exist"
-        fi
-        log_debug "$1=${!1}"
+        # if [ ! -d ${!1} ]; then
+        #    log_fatal "$1 does not exist"
+        # fi
+        # log_debug "$1=${!1}"
+        :
     }
     
     assert_f () {
-        if [ ! -f ${!1} ]; then
-            log_fatal "$1 does not exist"
-        fi
-        log_debug "$1=${!1}"
+        # if [ ! -f ${!1} ]; then
+        #    log_fatal "$1 does not exist"
+        # fi
+        #log_debug "$1=${!1}"
+        :
     }
 
     assert_a () {
         local readonly __m="${1}[@]"
         local readonly __n=(${!__m})
         local __len=${#__n[@]}
-        if [ $__len -eq 0 ]; then
-            log_fatal "$1 not set"
-        fi
-        log_debug "$1=$__n"
+        # if [ $__len -eq 0 ]; then
+        #    log_fatal "$1 not set"
+        # fi
+        # log_debug "$1=$__n"
+        :
     }
 fi

git_helpers

@@ -57,6 +57,18 @@ revert_to_commit_before_pull () {
 }
 # revert_to_commit_before_pull
 
+git_branch () {
+    # always relative to a git repository
+    echo $(git branch -a | grep '*' | awk '{ print $2 }')
+}
+
+git_customer_branch () {
+    if cd_customer_repository; then
+        customer_branch=$(git_branch)
+        cd_home;
+        echo $customer_branch
+    fi
+}
 # clone the customer repository in ./workspace.
 # this is done only once.
 # 
@@ -70,67 +82,104 @@ revert_to_commit_before_pull () {
 #
 clone_customer_repository () {
     local func="${FUNCNAME[0]}"
-    if [ "$PWD" = "$WORKING_DIRECTORY" ]; then
-        if ! [[ -d "./$WORKSPACE_DIR" ]]; then
-            { mkdir -p ./$WORKSPACE_DIR; }
+    if [ "$PWD" != "$WORKING_DIRECTORY" ]; then
+        log_fatal "$func:${LINENO} PD != WD ($PWD != $WORKING_DIRECTORY)"
+    fi
+   
+    mkdir -p "./$WORKSPACE_DIR"
+    # check if the directory is empty. If so, clone the
+    # customer repository
+    if ! find ./$WORKSPACE_DIR -mindepth 1 -maxdepth 1 | read; then
+        log_info "$func:${LINENO} cloning ${1} into ${PWD}/${WORKSPACE_DIR}..."
+        if ! cd "./$WORKSPACE_DIR"; then
+            update_psa_clone_error  # message to ISMAS
+            log_fatal "$func:${LINENO} can not change to $WORKSPACE_DIR"
         fi
-        # check if the directory is empty. If so, clone the
-        # customer repository
-        if ! find ./$WORKSPACE_DIR -mindepth 1 -maxdepth 1 | read; then
-            log_debug "$func:${LINENO} cloning ${1} ..."
-            if cd "./$WORKSPACE_DIR"
-            then
-                $(exec_git_command git clone "$1")
-                if [ $? -eq 0 ]; then
-                    CLONE_CUSTOMER_REPOSITORY=true
-                    log_debug "$func:${LINENO} cloning ${1} done"
-                    cd - ; return 0
-                fi
-                cd -
-            fi
-        else
-            # the directory is not empty, so we assume the
-            # customer-repository has been cloned already
-            if ! [[ -d "./${WORKSPACE_DIR}/$CUSTOMER_ID" ]]; then
-                log_fatal "$func:${LINENO} $PWD $WORKSPACE_DIR/$CUSTOMER_ID"\
-                    "wrong repository: $(ls -d './${WORKSPACE_DIR}/*')"
-            else
-                local __m="./${WORKSPACE_DIR}/$CUSTOMER_ID exists"
-                log_debug "$func:${LINENO} $__m"
-                return 0
-            fi
+        if ! exec_git_command git clone "$1"; then
+            update_psa_clone_error  # message to ISMAS
+            log_fatal "$func:${LINENO} can not clone $1"
         fi
+        ##########################  CLONING DONE   ############################
+        log_debug "$func:${LINENO} cloning ${1} done"
+        # after cloning, cd into repository, and re-initialize,
+        # setting the work-tree as "/". This has the effect that
+        # a "git pull" will automatically fetched files in the
+        # corresponding sytem-folders.
+        #######################  CD INTO REPOSITORY  ##########################
+        if ! cd ${CUSTOMER_ID_BASE_DIR}; then
+            update_psa_clone_error  # message to ISMAS
+            log_fatal "$func:${LINENO} can not change to $CUSTOMER_ID_BASE_DIR"
+        fi
+        log_debug "$func:${LINENO} cd into $CUSTOMER_ID_BASE_DIR"
+        ##################### CONFIGURE HOOKS DIRECTORY  ######################
+        if ! exec_git_command git config core.hooksPath .githooks; then
+            update_psa_clone_error  # message to ISMAS
+            log_fatal "$func:${LINENO} can not configure hooks directory"
+        fi
+        ###################### CHECKOUT LOCAL BRANCH  #########################
+        if ! exec_git_command git checkout "$LOCAL_BRANCH"; then
+            update_psa_clone_error  # message to ISMAS
+            log_fatal "$func:${LINENO} can not checkout $LOCAL_BRANCH"
+        fi
+        log_debug "$func:${LINENO} checked out local branch $LOCAL_BRANCH"
+        ######################## CONFIGURE WORKTREE  ##########################
+        if ! exec_git_command git config core.worktree "/"; then
+            update_psa_clone_error  # message to ISMAS
+            log_fatal "$func:${LINENO} can not configure worktree '/'"
+        fi
+        log_debug "$func:${LINENO} configured worktree '/'"
+        ########################### FETCH ALL #################################
+        if ! exec_git_command git fetch --all; then
+            update_psa_clone_error  # message to ISMAS
+            log_fatal "$func:${LINENO} can not fetch --all for $LOCAL_BRANCH"
+        fi
+        log_debug "$func:${LINENO} fetch repository"
+        ########################## RE-INIT REPOSITORY  ########################
+        if ! exec_git_command git reset --hard "$LOCAL_BRANCH"; then
+            update_psa_clone_error  # message to ISMAS
+            log_fatal "$func:${LINENO} re-init of $LOCAL_BRANCH failed"
+        fi
+        log_debug "$func:${LINENO} reset --hard $LOCAL_BRANCH"
+        INITIAL_CLONE=true
+        log_debug "$func:${LINENO} re-init of ${1} done"
+        update_psa_clone_customer_repository
+    else
+        # the directory is not empty, so we assume the
+        # customer-repository has been cloned already
+        if ! [[ -d "./${WORKSPACE_DIR}/$CUSTOMER_ID" ]]; then
+            log_fatal "$func:${LINENO} $PWD $WORKSPACE_DIR/$CUSTOMER_ID"\
+                "wrong repository: $(ls -d './${WORKSPACE_DIR}/*')"
+        fi
+        local __m="./${WORKSPACE_DIR}/$CUSTOMER_ID exists"
+        log_info "$func:${LINENO} $__m, no clone necessary"
     fi
 
-    update_psa_clone_error  # message to ISMAS
-    return $? 
+    cd_home
 }
 # clone_customer_repository ->
 # https://git.mimbach49.de/GerhardHoffmann/customer_281.git
 
 cd_customer_repository () {
     local func="${FUNCNAME[0]}"
-    # has to be called in WORKING_DIRECTORY
-    if [ "$PWD" = "${WORKING_DIRECTORY}" ]; then
-        repository_dir="./$WORKSPACE_DIR/$CUSTOMER_ID"
-        if ! [[ -d "$repository_dir" ]]; then
-            log_crit "$func:${LINENO}: $repository_dir does not exist!"
-            return 1
-        fi
-        
-        if ! { cd $repository_dir; } ; then
-            log_crit "$func:${LINENO}: cannot cd to $repository_dir!"
-            return 1
-        fi
 
-        log_debug "$func:${LINENO}: cd to $repository_dir!"
-        return 0
+    if [ "$PWD" != "$WORKING_DIRECTORY" ]; then
+        log_fatal "$func:${LINENO} PD != WD ($PWD != $WORKING_DIRECTORY)"
     fi
-    return 1
+
+    if ! [[ -d "$CUSTOMER_ID_BASE_DIR" ]]; then
+        log_fatal "$func:${LINENO}: $CUSTOMER_ID_BASE_DIR does not exist!"
+    fi
+    
+    if ! cd "$CUSTOMER_ID_BASE_DIR"; then
+        log_fatal "$func:${LINENO}: cannot cd to $CUSTOMER_ID_BASE_DIR !!!"
+    fi
+
+    log_debug "$func:${LINENO}: cd to $CUSTOMER_ID_BASE_DIR"
+    return 0
 }
 
 cd_home () {
-    if cd - &>/dev/null ; then
+    if cd "$WORKING_DIRECTORY" &>/dev/null ; then
         return 0
     fi
     return 1
@@ -143,109 +192,20 @@ pull_customer_repository () {
         return 1
     fi
 
-    local commit_before_pull=$(latest_commit)
-    if [ -z $commit_before_pull ]; then
-        log_warn "$func:${LINENO}: commit_before_pull empty"
-        cd_home ; return 1
+    log_crit "$func:${LINENO}: executing 'git pull'..."
+    exec_git_command 'git pull'
+
+    # GIT_UPDATE_LOG updated by hook post-merge. it contains the names of the
+    # changed files or opkg-commands to execute.
+    # If 'git pull' has fetched new data, then there are lines starting with
+    # DOWNLOAD or EXECUTE.
+    if grep -qE "^[[:space:]]*(DOWNLOAD|EXECUTE)" "$GIT_UPDATE_LOG"; then
+        log_info "$func:${LINENO}: new data fetched from repository"
+        cd_home; return 0
     fi
-    log_debug "$func:${LINENO}: commit_before_pull=$commit_before_pull"
-    log_debug "$func:${LINENO}: executing 'git pull'..."
-   
-    local git_result=$(exec_git_command 'git pull')
-
-    if [ -z "$git_result" ]; then
-        log_warn "$func:${LINENO}: git result empty" ; cd_home;
-        return 1
-    fi
-
-    # see https://www.gnu.org/
-    #           software/bash/manual/html_node/Shell-Parameter-Expansion.html
-    # [...]
-    #   
-    #    ${parameter//pattern/string}
-    #
-    # If there are two slashes separating parameter and pattern (...),
-    # all matches of pattern are replaced with string.
-    # 
-    # If the expansion of string is null, matches of pattern are deleted.
-    # [...]
-    git_result=${git_result//[$'\r\n\t']/ }
-
-    log_debug "$func:${LINENO} git-pull-result=${git_result}"
-
-    if grep -qE "^.*?Already\s+\up\s+\to\s+date.*$" <<< "$git_result"; then
-        log_warn "$func:${LINENO}: repository $PWD already up to date."
-        read $1 <<< 'yes'
-        cd_home ; return 1
-    fi
-
-    local commit_after_pull=$(latest_commit)
-    if [ -z $commit_after_pull ]; then
-        cd_home ; return 1
-    fi
-    
-    log_debug "$func:${LINENO}: commit_after_pull=$commit_after_pull"
-
-    # Note: # 'git pull' is a 'git fetch' followed by a 'git merge'.
-    # Here's the fetch portion:
-    #
-    # remote: Counting objects: 11, done.
-    # remote: Compressing objects: 100% (5/5), done.
-    # remote: Total 7 (delta 2), reused 0 (delta 0)
-    #
-    # At this point, you've told the remote what you want.
-    # It finds all the objects it needs to give you,
-    # compresses them for faster transfer over the network,
-    # and then reports what it's sending you.
-    # 
-    # Unpacking objects: 100% (7/7), done.
-    # 
-    # You receive the pack (set of compressed objects) and unpack it.
-    #
-    # From ssh://my.remote.host.com/~/git/myproject
-    # * branch            master     -> FETCH_HEAD
-
-    # You've fetched the branch 'master' from the given remote;
-    # the ref FETCH_HEAD now points to it.
-    # Now we move on to the merge - precisely, git will merge
-    # FETCH_HEAD (the remote's master branch) into your current branch
-    # (presumably master).
-    #
-    #######################################################################
-    # here starts "message"
-    # 
-    # Updating 9d447d2..f74fb21
-    # Fast forward
-    #
-    # It turns out that you haven't diverged from the remote's master branch,
-    # so the merge is a fast-forward (a trivial merge where it simply moves
-    # you forward in the history).
-    #
-    # Git notes the original position of your master branch (9d447d2)
-    # and the new position (f74fb21) it's been fast-forwarded to.
-    # If you had diverged from the remote's master branch,
-    # you'd see the output of a recursive merge here - Merge made
-    # by recursive, possibly along with some Auto-merged <file>
-    # and (oh no!) merge conflicts!
-    #
-    # szeged/1/1/etc/psa_config/device.conf | 13 +++++++------
-    # szeged/update.conf                    |  2 +-
-    # 2 files changed, 8 insertions(+), 7 deletions(-)
-    #  
-    # Finally, it shows you the diffstat between the original and post-merge
-    # position of your master branch;
-    # this is basically what you'd get from
-    #
-    # git diff --stat master@{1} master.
-    # 
-
-    update_commit="${commit_before_pull}..${commit_after_pull}"
-    if ! grep -qE ".*Updating\s+${update_commit}.*?" <<< $git_result; then
-        log_crit "$func:${LINENO}: no $update_commit in [ $git_result ]"
-        cd_home ; return 1
-    fi
-
-    cd_home ; return 0
+     
+    log_warn "$func:${LINENO}: no data fetched from repository"
+    cd_home; return 1
 }
 # pull_customer_repository customer_281
 
@@ -274,4 +234,20 @@ changed_file_names () {
             "while in $PWD"
     fi
 }
-# fi
+
+get_blob () {   # get the blob of the file(name) passed as $1
+                # note: this can be used for any file in the filesystem
+    echo $(git hash-object $1)
+}
+
+get_commit_for_blob () {
+    blob=$(get_blob $1)
+    if [ ! -z $blob ]; then
+        # search for the blob in all commits for the file(name) $1
+        echo $(echo $(git log --all --pretty=format:%H -- $1) |
+               xargs -I{} sh -c "git ls-tree {} -- $1         |
+               grep -q $blob && echo {}")
+    fi
+}
+
+

log_helpers

@@ -17,7 +17,8 @@ if [ "${log_helpers_sourced:-1}" = "1" ]; then    # include only once
     readonly FATAL=5
     readonly MAX_DEBUG_LEVEL=6
 
-    log_level=0
+    log_level=$INFO
+    FATAL_FAILURE=false
 
     set_dbg_level () {
         if [ $1 < $MAX_DEBUG_LEVEL ]; then
@@ -29,50 +30,61 @@ if [ "${log_helpers_sourced:-1}" = "1" ]; then    # include only once
         return $log_level
     }
 
-    log() {
+    log_to_file() {
         if [[ $(("$(wc -l < $log_file)")) -ge $((100000)) ]]; then
             # remove first line
             sed -e 1d -i $log_file
         fi
         local msg="$(date +'%Y-%m-%d_%T'): $*"
-        echo "log:$msg" >&2
         echo "$msg" >> $log_file
     }
 
+    log() {
+        local msg="$(date +'%Y-%m-%d_%T'): $*"
+        echo "log:$msg" >&2
+    }
+
     log_debug() {
-        if [ $log_level = $DEBUG ]; then
+        log_to_file "DEBUG $*"
+        if [ $log_level -le $DEBUG ]; then
             log "DEBUG $*"
         fi
     }
 
     log_info() {
+        log_to_file "INFO $*"
         if [ $log_level -le $INFO ]; then
             log "INFO  $*"
         fi
     }
 
     log_warn() {
+        log_to_file "WARN $*"
         if [ $log_level -le $WARN ]; then
             log "WARN  $*"
         fi
     }
 
     log_crit() {
+        log_to_file "CRIT $*"
         if [ $log_level -le $CRIT ]; then
             log "CRIT  $*"
         fi
     }
 
     log_error() {
+        log_to_file "ERROR $*"
         if [ $log_level -le $ERROR ]; then
             log "ERROR  $*"
         fi
     }
 
     log_fatal() {
+        log_to_file "FATAL $*"
         if [ $log_level -le $FATAL ]; then
             log "FATAL  $*"
             log "exiting ..."
+            FATAL_FAILURE=true
             exit 1
         fi
     }

news_from_ismas

@@ -2,7 +2,8 @@
 
 source ./log_helpers
 
-if [ ${news_to_ismas_sourced:-1} = "1" ]; then    # include only once
+if [ "${news_from_ismas_sourced:-1}" = "1" ]; then    # include only once
+    readonly news_from_ismas_sourced=${BASH_SOURCE[0]}
     readonly APISM_DIRECT_PORT=7778
 
     updates_available () {

news_to_ismas

@@ -2,7 +2,8 @@
 
 source ./log_helpers
 
-if [ ${news_to_ismas_sourced:-1} = "1" ]; then    # include only once
+if [ "${news_to_ismas_sourced:-1}" = "1" ]; then    # include only once
+    readonly news_to_ismas_sourced=${BASH_SOURCE[0]}
 
     readonly APISM_DB_PORT=7777
     readonly UPDATE_ISMAS_PROGRESS="U0010"
@@ -69,6 +70,18 @@ if [ ${news_to_ismas_sourced:-1} = "1" ]; then    # include only once
 
     ########################################################################### 
     ########################################################################### 
+    
+    update_psa_clone_customer_repository () {
+        PERCENT=10
+        local params=("U0010"                                   # event
+                      $PERCENT                                  # percent
+                      $RC_SUCCESS                               # resultcode
+                      "clone_customer_repository"               # step
+                      "git cloned $CUSTOMER_REPOSITORY_PATH"    # step_result
+                      "")                                       # version
+        news_to_ismas ${params[*]}
+        return $?
+    }
    
     update_psa_pull_customer_repository () {
         PERCENT=10
@@ -382,8 +395,8 @@ if [ ${news_to_ismas_sourced:-1} = "1" ]; then    # include only once
                 \"CREATED\":\"$(date +%Y-%m-%dT%T)\",
                 \"HASH\":\"$(compute_hash)\"
             },
-            \"TARIFF\": {
-                $(<$TC_PSA_TC_FILE)
+            \"TARIFF\" : {
+                $(<$TC_PSA_TC_FILE) 
             },
             \"HARDWARE\" : {
                 \"DEVICES\" : [
@@ -400,8 +413,8 @@ if [ ${news_to_ismas_sourced:-1} = "1" ]; then    # include only once
                                          sed -E -e 's/.*:\s*(.*)/\1/g')\"
                 },
                 \"DC\" : {
-                    \"VERSION\" : \"$(cat $PSA_UPDATE_CONF | jq -r .dc.version)\",
-                    \"MD5SUM\" : \"$(cat $PSA_UPDATE_CONF | jq -r .dc.dc2c)\"
+                    \"VERSION\" : \"$(compute_hash ${DC_PSA_DC_FILE})\",
+                    \"MD5SUM\" : \"\"
                 },
                 \"PRINTER\" : {
                 },

read_config

@@ -22,41 +22,32 @@ if [ ${read_config_sourced:-1} = "1" ]; then    # include only once
     readonly UPDATEPSABEGIN=./.updatepsa/begin
     readonly UPDATEPSAEND=./.updatepsa/end
 
+    # name of file containing the logs following a 'git pull':
+    # basically, there are two kinds of entries:
+    readonly GIT_UPDATE_LOG=/opt/app/tools/atbupdate/update_log.csv
+
     readonly PROGRAM=`basename $0`
     readonly WORKSPACE_DIR=workspace
 
-    # TODO: entfernen indem man subtree benutzt
-    WORKING_DIRECTORY=${WORKING_DIRECTORY:-$UPDATEPSAHOME}
-    CONFIGFILENAME=${CONFIGFILENAME:-'update_psa.conf'}
-
-    if ! [ -f "$CONFIGFILENAME" ]; then
-        log_fatal "$func:${LINENO}: $CONFIGFILENAME not found"
-    fi
-
-    if ! [ -d "$WORKING_DIRECTORY" ]; then 
-        log_fatal "$func:${LINENO}: $WORKING_DIRECTORY not found"
-    fi
-    
     EXITCODE=$RC_SUCCESS
-    CLONE_CUSTOMER_REPOSITORY=false
-
+    INITIAL_CLONE=false
+    APISM_RUNNING=0
 
     # read config file (JSON syntax)
     read_config() {
         local func="${FUNCNAME[0]}"
     
+        CONFIGFILENAME=${CONFIGFILENAME:-'update_psa.conf'}
+
+        if ! [ -f "$CONFIGFILENAME" ]; then
+            log_fatal "$func:${LINENO}: $CONFIGFILENAME not found"
+        fi
+
         log_debug "$func:${LINENO}: CONFIGFILENAME=$CONFIGFILENAME"
         log_debug "$func:${LINENO}: WORKING_DIRECTORY=$WORKING_DIRECTORY"
         
         local readonly cf="$CONFIGFILENAME"
 
-        ### TODO: wieso wird hier in das verzeichnis gewechselt
-        if cd $WORKING_DIRECTORY ; then
-            log_debug "$func:${LINENO}: cd to $WORKING_DIRECTORY"
-        else
-            log_fatal "$func:${LINENO}: cannot cd to $WORKING_DIRECTORY"
-        fi
-        
         readonly GIT_SSL_NO_VERIFY="$(cat "$cf" | jq -r .GIT_SSL_NO_VERIFY)"
         assert_s GIT_SSL_NO_VERIFY
 
@@ -69,13 +60,16 @@ if [ ${read_config_sourced:-1} = "1" ]; then    # include only once
         readonly CUSTOMER_REPOSITORY_PATH="$(cat "$cf" |
                                              jq -r .cust_repository_path)"
         assert_s CUSTOMER_REPOSITORY_PATH
+        
+        local __customer_id_base_dir="$WORKING_DIRECTORY/${WORKSPACE_DIR}"
+        readonly CUSTOMER_ID_BASE_DIR="${__customer_id_base_dir}/${CUSTOMER_ID}"
 
         local __number_of_zone_groups=$(cat "$cf"    | 
                                         jq -r .zg[0] |
                                         sed -E -e 's/[[:space:]]*//g')
         # TODO: was ist hier falsch
         # __n_of_zgroups=$(echo "$__n_of_zgrps" | ${STRIPWHITESPACE} )
-        log_debug "$func:${LINENO}: #n of zone_groups: $__number_of_zone_groups"
+        # log_debug "$func:${LINENO}: #n of zone_groups: $__number_of_zone_groups"
 
         local __zone_groups=($__number_of_zone_groups)
         for zg in `seq 1 $__number_of_zone_groups`; do
@@ -87,70 +81,102 @@ if [ ${read_config_sourced:-1} = "1" ]; then    # include only once
 
         readonly ZONE_GROUPS=(${__zone_groups[@]})
         assert_a ZONE_GROUPS
-
-        return 0
-    }
-###############################################################################
-########################## parsing with jq finished ###########################
-###############################################################################
-    compute_hash () {
-        # TODO: wie genau soll der hash-wert berechnet werden ?
-        HASH="1234-abcd"
-        # HASH_="67890def"
-        echo $HASH
-    }
-
-    compute_version () {
-        VERSION="$MAJOR.$MINOR.$PATCH+$CUSTOMER_LOCATION-$(compute_hash)"
-    }
-
-    check_sanity_of_repository () {
-        local func="${FUNCNAME[0]}"
-        
-        local __customer_id_base_dir="$WORKING_DIRECTORY/${WORKSPACE_DIR}"
-        readonly CUSTOMER_ID_BASE_DIR="${__customer_id_base_dir}/${CUSTOMER_ID}"
-        assert_d CUSTOMER_ID_BASE_DIR
-
-        CUSTOMER_LOCATION_DIR="${CUSTOMER_ID_BASE_DIR}/${CUSTOMER_LOCATION}"
-        assert_d CUSTOMER_LOCATION_DIR
-        
-        # readonly zone_groups=(${__zone_groups[@]})
-        # by now (03.03.2023) there is only one zone group.
-        readonly local __zgroup=1
-        local __number_of_zone_groups=${ZONE_GROUPS[0]}
-        local __zindex=1
-        local __customer_base_dirs=("placeholder")
-        for __zg in `seq 1 $__number_of_zone_groups`; do
-            local __n_of_zones=${ZONE_GROUPS[$__zindex]}
-            log_debug "$func:${LINENO}: zgroup $__zg has $__n_of_zones zones"
-            for (( j=1; j<=$__n_of_zones; ++j)); do
-                __customer_base_dirs+=("${CUSTOMER_LOCATION_DIR}/$__zgroup/$j")
-                log_debug "$func:${LINENO}: zone $j"
-                ((++__zindex))
-            done
-        done
-
-        # for szeged: 
-        # placeholder
-        # /home/root/szeged/UpdateController/workspace/customer_281/szeged/1/1
-        # /home/root/szeged/UpdateController/workspace/customer_281/szeged/1/2
-        # /home/root/szeged/UpdateController/workspace/customer_281/szeged/1/3
-        readonly CUST_BASE_DIRS=(${__customer_base_dirs[@]})
-        assert_a CUST_BASE_DIRS
         
         # TODO
         # TODO: falls mehrere gruppen/zonen auftauchen hier anpassen
         # TODO
         # Zone aus /etc/zone_nr auslesen
         #
-        readonly ZONE=1
-        readonly CUST_BASE_DIR="${CUST_BASE_DIRS[$ZONE]}"
-        assert_d CUST_BASE_DIR
+        readonly ZONE_GROUP=1
+        local __zone=1
+        readonly ZONE_FILE="$(cat "$cf" | jq -r .zone)"
+        if [ -f "$ZONE_FILE" ]; then
+            __zone=$(cat "$ZONE_FILE")
+            __zone=$((__zone))
+        fi
+
+        readonly ZONE=$__zone
+        readonly LOCAL_BRANCH="$(cat "$cf" | jq -r .local_branches[$ZONE])"
+
+        if [ -z "$WORKING_DIRECTORY" ]; then
+            log_fatal "${func}:${LINENO}: empty WORKING_DIRECTORY"
+        fi
+        if ! cd "$WORKING_DIRECTORY"; then
+            log_fatal "${func}:${LINENO}: cannot cd to $WORKING_DIRECTORY"
+        fi
+        log_debug "${func}:${LINENO}: cd to $WORKING_DIRECTORY"
+        return 0
+    }
+###############################################################################
+########################## parsing with jq finished ###########################
+###############################################################################
+    compute_hash () {
+        if cd_customer_repository; then
+            local hash=""
+            if [[ -z "$1" ]]; then
+                hash=$(git log -n 1 --pretty=format:%H)
+            else
+                hash=$(git hash-object "$1")
+            fi
+            cd_home ; echo ${hash:0:10}   # return the first 10 hex characters
+            return 0
+        fi
+        return 1
+    }
+
+    compute_version () {
+        VERSION="$MAJOR.$MINOR.$PATCH+$CUSTOMER_LOCATION-$(compute_hash)"
+        cd_home; return 0
+        return 1
+    }
+
+    check_sanity_of_repository () {
+        local func="${FUNCNAME[0]}"
+    
+        if [ "$PWD" != "$WORKING_DIRECTORY" ]; then
+            log_fatal "$func:${LINENO} PD != WD ($PWD != $WORKING_DIRECTORY)"
+        fi
+        
+        assert_d CUSTOMER_ID_BASE_DIR
+        
+        CUSTOMER_LOCATION_DIR="$CUSTOMER_ID_BASE_DIR"
+        #CUSTOMER_LOCATION_DIR="${CUSTOMER_ID_BASE_DIR}/${CUSTOMER_LOCATION}"
+        #CUST_LOC_DIR=$CUSTOMER_LOCATION_DIR
+        assert_d CUSTOMER_LOCATION_DIR
+        
+        # readonly zone_groups=(${__zone_groups[@]})
+        # by now (03.03.2023) there is only one zone group.
+        #readonly local __zgroup=1
+        #local __number_of_zone_groups=${ZONE_GROUPS[0]}
+        #local __zindex=1
+        #local __customer_base_dirs=("placeholder")
+        #for __zg in `seq 1 $__number_of_zone_groups`; do
+        #    local __n_of_zones=${ZONE_GROUPS[$__zindex]}
+        #    log_debug "$func:${LINENO}: zgroup $__zg has $__n_of_zones zones"
+        #    for (( j=1; j<=$__n_of_zones; ++j)); do
+        #        __customer_base_dirs+=("${CUSTOMER_LOCATION_DIR}/$__zgroup/$j")
+        #        log_debug "$func:${LINENO}: zone $j"
+        #        ((++__zindex))
+        #    done
+        #done
+
+        # for szeged: 
+        # placeholder
+        # /home/root/szeged/UpdateController/workspace/customer_281/szeged/1/1
+        # /home/root/szeged/UpdateController/workspace/customer_281/szeged/1/2
+        # /home/root/szeged/UpdateController/workspace/customer_281/szeged/1/3
+        # readonly CUST_BASE_DIRS=(${__customer_base_dirs[@]})
+        # assert_a CUST_BASE_DIRS
+        
+
+        readonly CUST_BASE_DIR="$CUSTOMER_ID_BASE_DIR"
+        #readonly CUST_BASE_DIR="${CUST_BASE_DIRS[$ZONE]}"
+        #assert_d CUST_BASE_DIR
     
         readonly              ETC_SYS_DIR="/etc" 
         readonly              ATB_SYS_DIR="/etc/atb" 
         readonly               DC_SYS_DIR="/etc/dc"
-        readonly           TARIFF_SYS_DIR="/etc/tariff"
+        readonly           TARIFF_SYS_DIR="/etc/psa_tariff"
         readonly             OPKG_SYS_DIR="/etc/psa_update"
         readonly             CONF_SYS_DIR="/etc/psa_config"
         readonly              OPT_SYS_DIR="/opt" 
@@ -177,7 +203,9 @@ if [ ${read_config_sourced:-1} = "1" ]; then    # include only once
         readonly              SYSCONF_INI="sysconfig.ini"
         readonly              SYSCTRL_INI="SystemControl.ini"
         readonly           TARIFF_CURRENT="tariff.current"
-        readonly                       DC="dc2c.hex"
+        readonly                       DC="dc2c.bin"
+        readonly            TARIFF_SUMMER="summer_tariff.json"
+        readonly            TARIFF_WINTER="winter_tariff.json"
         
         readonly           DC_SYS_DC_FILE="${DC_SYS_DIR}/$DC"
         readonly   ATBQT_ATB_SYS_BIN_FILE="${ATBAPP_SYS_DIR}/$ATBQT_BIN"
@@ -194,7 +222,7 @@ if [ ${read_config_sourced:-1} = "1" ]; then    # include only once
         readonly SYSCTRL_ETC_SYS_INI_FILE="${ETC_SYS_DIR}/$SYSCTRL_INI"
         readonly SYSCTRL_ATB_SYS_INI_FILE="${ATB_SYS_DIR}/$SYSCTRL_INI"
         readonly SYSCTRL_SCF_SYS_INI_FILE="${SYSCONFIG_SYS_DIR}/$SYSCTRL_INI"
-        readonly                ZONE_FILE="$ETC_SYS_DIR/zone_nr"
+        # readonly                ZONE_FILE="$ETC_SYS_DIR/zone_nr"
         readonly             CUST_ID_FILE="$ETC_SYS_DIR/cust_nr"
         readonly           TC_SYS_TC_FILE="${ATBAPP_SYS_DIR}/$TARIFF_CURRENT"
         readonly       OPKG_CMDS_SYS_FILE="${OPKG_SYS_DIR}/opkg_commands"
@@ -202,11 +230,12 @@ if [ ${read_config_sourced:-1} = "1" ]; then    # include only once
         readonly       DC2C_SYS_CASH_JSON="${CONF_SYS_DIR}/DC2C_cash.json"
         readonly       DC2C_SYS_CONF_JSON="${CONF_SYS_DIR}/DC2C_conf.json"
         readonly           DC_PSA_DC_FILE="${DC_PSA_DIR}/$DC"
+        readonly        TARIFF_SYS_SUMMER="${TARIFF_SYS_DIR}${TARIFF_SUMMER}"
+        readonly        TARIFF_SYS_WINTER="${TARIFF_SYS_DIR}${TARIFF_WINTER}"
 
-        readonly   ATBQT_ATB_PSA_BIN_FILE="${ATBAPP_PSA_DIR}/$ATBQT_BIN"
-        readonly   ATBQT_ATB_PSA_INI_FILE="${ATB_SYS_DIR}/$ATBQT_INI"
-        readonly   ATBQT_APP_PSA_INI_FILE="${ATBAPP_SYS_DIR}/$ATBQT_INI"
-        readonly   ATBQT_ETC_PSA_INI_FILE="${ETC_SYS_DIR}/$ATBQT_INI"
+        readonly   ATBQT_ATB_PSA_INI_FILE="${ATB_PSA_DIR}/$ATBQT_INI"
+        readonly   ATBQT_APP_PSA_INI_FILE="${ATBAPP_PSA_DIR}/$ATBQT_INI"
+        readonly   ATBQT_ETC_PSA_INI_FILE="${ETC_PSA_DIR}/$ATBQT_INI"
         readonly ISMASMGRATB_PSA_INI_FILE="${ATB_PSA_DIR}/$ISMASMGR_INI"
         readonly ISMASMGRAPP_PSA_INI_FILE="${ISMASMGR_PSA_DIR}/$ISMASMGR_INI"
         readonly ISMASMGRETC_PSA_INI_FILE="${ETC_PSA_DIR}/$ISMASMGR_INI"
@@ -214,12 +243,12 @@ if [ ${read_config_sourced:-1} = "1" ]; then    # include only once
         readonly SYSCONF_ETC_PSA_INI_FILE="${ETC_PSA_DIR}/$SYSCONF_INI"
         readonly SYSCONF_ATB_PSA_INI_FILE="${ATB_PSA_DIR}/$SYSCONF_INI"
         readonly SYSCONF_SCF_PSA_INI_FILE="${SYSCONFIG_PSA_DIR}/$SYSCONF_INI"
-        readonly SYSCTRL_ETC_PSA_INI_FILE="${ETC_SYS_DIR}/$SYSCTRL_INI"
-        readonly SYSCTRL_ATB_PSA_INI_FILE="${ATB_SYS_DIR}/$SYSCTRL_INI"
-        readonly SYSCTRL_SCF_PSA_INI_FILE="${SYSCONFIG_SYS_DIR}/$SYSCTRL_INI"
+        readonly SYSCTRL_ETC_PSA_INI_FILE="${ETC_PSA_DIR}/$SYSCTRL_INI"
+        readonly SYSCTRL_ATB_PSA_INI_FILE="${ATB_PSA_DIR}/$SYSCTRL_INI"
+        readonly SYSCTRL_SCF_PSA_INI_FILE="${SYSCONFIG_PSA_DIR}/$SYSCTRL_INI"
         readonly       OPKG_CMDS_PSA_FILE="${OPKG_PSA_DIR}/opkg_commands"
         readonly           TC_PSA_TC_FILE="${ATBAPP_PSA_DIR}/$TARIFF_CURRENT"
-        readonly          PSA_UPDATE_CONF="${CUSTOMER_LOCATION_DIR}/update.conf"
+        # readonly          PSA_UPDATE_CONF="${CUSTOMER_LOCATION_DIR}/update.conf"
         readonly     DC2C_PSA_SERIAL_JSON="${CONF_PSA_DIR}/DC2C_serial.json"
         readonly       DC2C_PSA_CASH_JSON="${CONF_PSA_DIR}/DC2C_cash.json"
         readonly       DC2C_PSA_CONF_JSON="${CONF_PSA_DIR}/DC2C_conf.json"
@@ -272,7 +301,6 @@ if [ ${read_config_sourced:-1} = "1" ]; then    # include only once
         assert_f DC2C_SYS_CASH_JSON
         
         assert_f DC_PSA_DC_FILE
-        # assert_f ATBQT_ATB_PSA_BIN_FILE
         assert_f ATBQT_ATB_PSA_INI_FILE
         assert_f ATBQT_APP_PSA_INI_FILE
         assert_f ATBQT_ETC_PSA_INI_FILE
@@ -287,11 +315,12 @@ if [ ${read_config_sourced:-1} = "1" ]; then    # include only once
         assert_f SYSCTRL_ATB_PSA_INI_FILE
         assert_f SYSCTRL_SCF_PSA_INI_FILE
         assert_f TC_PSA_TC_FILE
-        assert_f PSA_UPDATE_CONF
+        # assert_f PSA_UPDATE_CONF
         assert_f OPKG_CMDS_PSA_FILE
         assert_f DC2C_PSA_CONF_JSON
         assert_f DC2C_PSA_SERIAL_JSON
         assert_f DC2C_PSA_CASH_JSON
+        assert_f OPKG_CMDS_PSA_FILE
 
         readonly KNOWN_SYS_DIRS=($ETC_SYS_DIR
                                  $ATB_SYS_DIR
@@ -319,16 +348,24 @@ if [ ${read_config_sourced:-1} = "1" ]; then    # include only once
         for i in {1..32}; do    # up to 32 print-json-files
             local __f=${CONF_PSA_DIR}/DC2C_print$(printf "%02d" $i).json
             readonly DC2C_PRINT$(printf "%02d" $i)_JSON=$__f
-            # local __g=$(eval echo '$'DC2C_PRINT$(printf "%02d" $i)_JSON)
             assert_f DC2C_PRINT$(printf "%02d" $i)_JSON
             DC2C_PRINT_JSON+=($__f)
         done
+        
+        local TARIFF_FILES_JSON=()
+        for i in {1..32}; do    # up to 32 tariff-json-files
+            local __f=${TARIFF_PSA_DIR}/tariff$(printf "%02d" $i).json
+            readonly TARIFF$(printf "%02d" $i)_JSON=$__f
+            assert_f TARIFF$(printf "%02d" $i)_JSON
+            TARIFF_FILES_JSON+=($__f)
+        done
 
-        readonly KNOWN_CONF_FILES=(${CUSTOMER_LOCATION}/update.conf           \
-                                   ${DC2C_PRINT_JSON[@]##*${CUSTOMER_ID}/}    \
+        readonly KNOWN_CONF_FILES=(${DC2C_PRINT_JSON[@]##*${CUSTOMER_ID}/}    \
                                    ${DC2C_PSA_CONF_JSON##*${CUSTOMER_ID}/}    \
                                    ${DC2C_PSA_CASH_JSON##*${CUSTOMER_ID}/}    \
                                    ${DC2C_PSA_SERIAL_JSON##*${CUSTOMER_ID}/})
+        
+        readonly KNOWN_TARIFF_FILES=(${TARIFF_FILES_JSON[@]##*${CUSTOMER_ID}/})
 
         readonly KNOWN_INI_FILES=(${ATBAPP_PSA_INI_FILE##*${CUSTOMER_ID}/}    \
                       ${ISMASMGRATB_PSA_INI_FILE##*${CUSTOMER_ID}/}           \
@@ -345,15 +382,17 @@ if [ ${read_config_sourced:-1} = "1" ]; then    # include only once
                       ${ATBQT_APP_PSA_INI_FILE##*${CUSTOMER_ID}/}             \
                       ${ATBQT_ETC_PSA_INI_FILE##*${CUSTOMER_ID}/})
         
-        readonly KNOWN_FILES=(${KNOWN_CONF_FILES[@]} \
-                              ${KNOWN_INI_FILES[@]}  \
+        readonly KNOWN_FILES=(${KNOWN_CONF_FILES[@]}                          \
+                              ${KNOWN_INI_FILES[@]}                           \
+                              ${KNOWN_TARIFF_FILES[@]}                        \
+                              ${DC_PSA_DC_FILE##*${CUSTOMER_ID}/}             \
                               ${OPKG_CMDS_PSA_FILE##*${CUSTOMER_ID}/})
 
-        log_debug "known conf/ini_files ->"
-        for (( i=0; i < ${#KNOWN_FILES[@]}; ++i )); do
-            tab=$'\t'
-            log_debug "$tab$tab ${KNOWN_FILES[$i]}"
-        done
+        # log_debug "known json/ini/hex_files ->"
+        # for (( i=0; i < ${#KNOWN_FILES[@]}; ++i )); do
+        #    tab=$'\t'
+        #    log_debug "$tab$tab ${KNOWN_FILES[$i]}"
+        # done
         log_debug "sanity of ${CUSTOMER_REPOSITORY_PATH} OK"
         
         # compute version string for current (i.e. previous) version

update_psa

@@ -5,6 +5,7 @@
 #                                UPDATE PSA
 # Usage:
 #   update_psa [ --? ]
+#              [ -m  ]
 #              [ --help ]
 #              [ --wdir "working_directory" ]
 #              [ --file "config_file" ]
@@ -14,18 +15,24 @@
 # ./update_psa --file $PWD/update_psa.conf --wdir $PWD
 #
 ###############################################################################
-if [ $# -eq 0 ]; then
+# if [ $# -eq 0 ]; then
     # no parameters given -> nothing to do
-    exit 0
-fi
+#    exit 0
+#fi
 
 if [ -z $IFS ]; then
     IFS=$'\n'
 fi
 
+MAINTENANCE="NO"
+WORKING_DIRECTORY=${PWD}
+
 # parse commandline parameters
 while test $# -gt 0; do
     case $1 in
+        --maintenance | -m )
+            MAINTENANCE="YES"
+            ;;
         --file | --fil | --fi | --f | -file | -fil | -fi | -f )
             shift
             CONFIGFILENAME="$1"
@@ -36,7 +43,11 @@ while test $# -gt 0; do
             ;;
         --wdir | --wdi | --wd | --w | -wdir | -wdi | -wd | -w )
             shift
-            WORKING_DIRECTORY="$1"
+            if [ "$1" = "." ]; then
+                WORKING_DIRECTORY="$PWD"
+            else
+                WORKING_DIRECTORY="$1"
+            fi
             ;;
         --help | -hel | --he | --h | '--?' | -help | -hel | -he | -h | '-?' )
             usage_and_exit 0
@@ -47,6 +58,7 @@ while test $# -gt 0; do
             exit 0
             ;;
         --dbg | --db | --d | -dbg | -db | -d )
+            shift
             set_dbg_level $DEBUG
             ;; 
         -*)
@@ -58,25 +70,12 @@ while test $# -gt 0; do
     esac
     shift
 done
-
+    
 source ./update_psa_impl
 
-if read_config
-then
-    if clone_customer_repository $CUSTOMER_REPOSITORY_PATH
-    then 
-        check_sanity_of_repository
-
-        #set_updates_available
-        #while :
-        #do
-        #    sleep 5
-        #    updates_available && break
-        #done 
-
-        update_psa
-    fi
+if read_config; then
+    update_psa
+    exit 0
 fi
-
-exit $EXIT_CODE
+exit 1
 ###############################################################################

update_psa.conf

@@ -11,6 +11,10 @@
     ""                      :   "zone file for PSA",
     "zone"                  :   "/etc/zone_nr",
 
+    ""                      :   "local branches",
+    "local_branches"        :   ["master",
+                                 "zg1/zone1", "zg1/zone2", "zg1/zone3", "zg1/zone4"],
+
     ""                      :   "customer number of PSA",
     "customer_id_"          :   "/etc/cust_nr",
 
@@ -22,8 +26,8 @@
     ""                      :   "0-index used as size of following array",
     ""                      :   ".zg[0]: #n of zones_groups",
     ""                      :   ".zg[1].z[0]: #n of zones in zg[1]",
-    "zg"                    :   [   1, { "z" : [ 3, 1, 2, 3] } ],
+    "zg"                    :   [   1, { "z" : [ 4, 1, 2, 4] } ],
 
     ""                      :   "url of customer repository",
-    "cust_repository_path"  :   "https://git.mimbach49.de/GerhardHoffmann/customer_281"
+    "cust_repository_path"  :   "https://git.mimbach49.de/GerhardHoffmann/customer_281.git"
 }

update_psa_helpers

@@ -24,7 +24,7 @@ exec_opkg_command () {
 # Fetch/merge updates from predefined repository using git.
 # 
 fetch_customer_updates() {
-    if ! pull_customer_repository $1; then
+    if ! pull_customer_repository; then
         return 1
     fi
     return 0
@@ -41,6 +41,18 @@ copy () {
         if [[ "$f" =~ .*update[.]conf.* ]]; then
             continue
         fi
+
+        # TODO: szeged darf nicht sein
+        # local readonlt __cl=$CUSTOMER_LOCATION
+        # local readonly __q="'"
+        # xxx='$('"echo $f | sed -E -e ${__q}s=(.*$__cl/[0-9]/[0-9])(.*)(/.*)=\2=g$__q"')'
+        # echo $xxx
+        # eval "echo $xxx"
+
+        local readonly __sysdir=$(echo $f |
+                            sed -E -e s'=(.*szeged/[0-9]/[0-9])(.*)(/.*)=\2=g')
+
+        # TODO: kuerzen
     
         copy_necessary=1
 
@@ -49,44 +61,53 @@ copy () {
 
         local readonly __f=${f##*/}
         local readonly __m="${CUSTOMER_ID_BASE_DIR}/${f}"
-        local __p=""
+        local __p="${__sysdir}/${__f}"
+
+        # echo "TEST -> $sysdir/$__f"
+
+        # TODO: das kopieren in die system-verzeichnisse muss noch getestet
+        # werden. stimmt noch nicht so ganz.
                 
-        if grep -qE "^.*$DC\s*$" <<< ${f}; then
-            __p=" ${DC_SYS_DIR}/${__f}"
-            log_debug "$func:${LINENO}: __m=$__m"
-        elif grep -qE "^.*[.]json\s*$" <<< ${f}; then
-            __p=" ${CONF_SYS_DIR}/${__f}"
-            log_debug "$func:${LINENO}: __m=$__m"
-        elif grep -qE "^.*[.]ini\s*$" <<< ${f}; then
-            if [ "$__f" = "$ATBQT_INI" ]; then
-                log_debug "$func:${LINENO}: __m=$__m $ATB_SYS_DIR/$__f ${f%/*}"
-                if grep -qE "$ATB_SYS_DIR" <<< "${f%/*}"; then
-                    __p="$ATB_SYS_DIR/${__f}"
-                else
-                    __p="$ATBAPP_SYS_DIR/${__f}"
-                fi
-            elif [ "$__f" = "$SYSTEM_CONTROL_INI" ]; then
-                if grep -qE "$ATB_SYS_DIR" <<< "${f%/*}"; then
-                    __p="$ATB_SYS_DIR/${__f}"
-                else
-                    __p="$SYSCONFIG_SYS_DIR/${__f}"
-                fi
-            elif [ "$__f" = "$SYS_CONFIG_INI" ]; then
-                if grep -qE "$ATB_SYS_DIR" <<< "${f%/*}"; then
-                    __p="$ATB_SYS_DIR/${__f}"
-                else
-                    __p="$SYSCONFIG_SYS_DIR/${__f}"
-                fi
-            elif [ "$__f" = "$ISMASMGR_INI" ]; then
-                if grep -qE "$ISMASMGR_SYS_DIR" <<< "${f%/*}"; then
-                    __p="$ISMASMGR_SYS_DIR/${__f}"
-                elif grep -qE "$ATB_SYS_DIR" <<< "${f%/*}"; then
-                    __p="$ATB_SYS_DIR/${__f}"
-                else
-                    __p="$SYSCONFIG_SYS_DIR/${__f}"
-                fi
-            fi
-        fi
+        #if grep -qE "^.*$DC\s*$" <<< ${f}; then
+        #    __p="${DC_SYS_DIR}/${__f}"
+        #    log_debug "$func:${LINENO}: __m=$__m"
+        #elif grep -qE "^.*tariff[0-9][0-9][.]json\s*$" <<< ${f}; then
+        #    __p="${TARIFF_SYS_DIR}/${__f}"
+        #elif grep -qE "^.*[.]json\s*$" <<< ${f}; then
+        #    __p="${CONF_SYS_DIR}/${__f}"
+        #    log_debug "$func:${LINENO}: __m=$__m"
+        #elif grep -qE "^.*[.]ini\s*$" <<< ${f}; then
+        #    if [ "$__f" = "$ATBQT_INI" ]; then
+        #        log_debug "$func:${LINENO}: __m=$__m $ATB_SYS_DIR/$__f ${f%/*}"
+        #        if grep -qE "$ATB_SYS_DIR" <<< "${f%/*}"; then
+        #            __p="$ATB_SYS_DIR/${__f}"
+        #        else
+        #            __p="$ATBAPP_SYS_DIR/${__f}"
+        #        fi
+        #    elif [ "$__f" = "$SYSTEM_CONTROL_INI" ]; then
+        #        if grep -qE "$ATB_SYS_DIR" <<< "${f%/*}"; then
+        #            __p="$ATB_SYS_DIR/${__f}"
+        #        else
+        #            __p="$SYSCONFIG_SYS_DIR/${__f}"
+        #        fi
+        #    elif [ "$__f" = "$SYS_CONFIG_INI" ]; then
+        #        if grep -qE "$ATB_SYS_DIR" <<< "${f%/*}"; then
+        #            __p="$ATB_SYS_DIR/${__f}"
+        #        else
+        #            __p="$SYSCONFIG_SYS_DIR/${__f}"
+        #        fi
+        #    elif [ "$__f" = "$ISMASMGR_INI" ]; then
+        #        if grep -qE "$ISMASMGR_SYS_DIR" <<< "${f%/*}"; then
+        #            __p="$ISMASMGR_SYS_DIR/${__f}"
+        #        elif grep -qE "$ATB_SYS_DIR" <<< "${f%/*}"; then
+        #            __p="$ATB_SYS_DIR/${__f}"
+        #        else
+        #            __p="$SYSCONFIG_SYS_DIR/${__f}"
+        #        fi
+        #    fi
+        #fi
+
+        echo "XXX-- __p=$__p"
             
         if [ ! -z "$__p" ]; then
             if cp "$__m" "$__p"; then
@@ -158,72 +179,26 @@ check_md5_for_changed_json_and_ini_files () {
         readarray -td' ' files <<< "$1"
         local readonly __cl=$CUSTOMER_LOCATION
         for file in ${files[@]}; do
+            # .../szeged/1/1...
             log_debug "$func:${LINENO} checking file=${file}..."
-            local __fsuffix=${file##*.}
-            local __bn=$(basename $file .$__fsuffix)
-            if [[ "$file" =~ .*dc2c.hex.* ]]; then
-                js_key=".dc.dc2c.$__bn"
-                md5sum_update_conf=$(cat $PSA_UPDATE_CONF | jq -r $js_key)
-                md5sum_repository="$(md5_of $CUSTOMER_ID_BASE_DIR/$file)"
-            elif [[ "$file" =~ .*cash[.]json.* ]]; then
-                js_key=".conf.$__cl.zg[1].z[1].etc.psa_config.$__bn"
-                md5sum_update_conf=$(cat $PSA_UPDATE_CONF | jq -r $js_key)
-                md5sum_repository="$(md5_of $CUSTOMER_ID_BASE_DIR/$file)"
-            elif [[ "$file" =~ .*print[0-9][0-9][.]json.* ]]; then
-                js_key=".conf.$__cl.zg[1].z[1].etc.psa_config.$__bn"
-                md5sum_update_conf=$(cat $PSA_UPDATE_CONF | jq -r $js_key)
-                md5sum_repository="$(md5_of $CUSTOMER_ID_BASE_DIR/$file)"
-            elif [[ "$file" =~ .*conf[.]json.* ]]; then
-                js_key=".conf.$__cl.zg[1].z[1].etc.psa_config.DC2C_conf"
-                md5sum_update_conf=$(cat $PSA_UPDATE_CONF | jq -r $js_key)
-                md5sum_repository="$(md5_of $CUSTOMER_ID_BASE_DIR/$file)"
-            elif [[ "$file" =~ .*serial[.]json.* ]]; then
-                js_key=".conf.$__cl.zg[1].z[1].etc.psa_config.DC2C_serial"
-                md5sum_update_conf=$(cat $PSA_UPDATE_CONF | jq -r $js_key)
-                md5sum_repository="$(md5_of $CUSTOMER_ID_BASE_DIR/$file)"
-            elif [[ "$file" =~ .*atb/ATBQT[.]ini.* ]]; then
-                js_key=".ini.$__cl.zg[1].z[1].etc.atb.ATBQT"
-                md5sum_update_conf=$(cat $PSA_UPDATE_CONF | jq -r $js_key)
-                md5sum_repository="$(md5_of $ATB_ATBQT_INI_FULL)"
-            elif [[ "$file" =~ .*ATBQT[.]ini.* ]]; then
-                js_key=".ini.$__cl.zg[1].z[1].opt.app.ATBAPP.ATBQT"
-                md5sum_update_conf=$(cat $PSA_UPDATE_CONF | jq -r $js_key)
-                md5sum_repository="$(md5_of $ATBQT_INI_FULL)"
-            elif [[ "$file" =~ .*atb/sysconfig[.]ini.* ]]; then
-                js_key=".ini.$__cl.zg[1].z[1].etc.atb.sysconfig"
-                md5sum_update_conf=$(cat $PSA_UPDATE_CONF | jq -r $js_key)
-                md5sum_repository="$(md5_of $ATB_SYSCONFIG_INI_FULL)"
-            elif [[ "$file" =~ .*sysconfig[.]ini.* ]]; then
-                js_key=".ini.$__cl.zg[1].z[1].opt.app.sysconfig.sysconfig"
-                md5sum_update_conf=$(cat $PSA_UPDATE_CONF | jq -r $js_key)
-                md5sum_repository=$(md5_of $SYSCONFIG_SYSCONFIG_INI_FULL)
-            elif [[ "$file" =~ .*atb/SystemControl[.]ini.* ]]; then
-                js_key=".ini.$__cl.zg[1].z[1].etc.atb.SystemControl"
-                md5sum_update_conf=$(cat $PSA_UPDATE_CONF | jq -r $js_key)
-                md5sum_repository="$(md5_of $ATB_SYSCTRL_INI_FULL)"
-            elif [[ "$file" =~ .*SystemControl[.]ini.* ]]; then
-                js_key=".ini.$__cl.zg[1].z[1].opt.app.sysconfig.SystemControl"
-                md5sum_update_conf=$(cat $PSA_UPDATE_CONF | jq -r $js_key)
-                md5sum_repository=$(md5_of $SYSCONFIG_SYSCTRL_INI_FULL)
-            elif [[ "$file" =~ .*atb/ISMASMgr[.]ini.* ]]; then
-                js_key=".ini.$__cl.zg[1].z[1].etc.atb.ISMASMgr"
-                md5sum_update_conf=$(cat $PSA_UPDATE_CONF | jq -r $js_key)
-                md5sum_repository="$(md5_of $ATB_ISMASMGR_INI_FULL)"
-            elif [[ "$file" =~ .*etc/ISMASMgr[.]ini.* ]]; then
-                js_key=".ini.$__cl.zg[1].z[1].etc.ISMASMgr"
-                md5sum_update_conf=$(cat $PSA_UPDATE_CONF | jq -r $js_key)
-                md5sum_repository="$(md5_of $ATB_ISMASMGR_INI_FULL)"
-            elif [[ "$file" =~ .*ISMASMgr/ISMASMgr[.]ini.* ]]; then
-                js_key=".ini.$__cl.zg[1].z[1].opt.app.ISMASMgr.ISMASMgr"
-                md5sum_update_conf=$(cat $PSA_UPDATE_CONF | jq -r $js_key)
-                md5sum_repository=$(md5_of $ISMASMGR_ISMASMGR_INI_FULL)
-            elif [[ "$file" =~ .*sysconfig/ISMASMgr[.]ini.* ]]; then
-                js_key=".ini.$__cl.zg[1].z[1].opt.app.sysconfig.ISMASMgr"
-                md5sum_update_conf=$(cat $PSA_UPDATE_CONF | jq -r $js_key)
-                md5sum_repository=$(md5_of $SYSCONFIG_ISMASMGR_INI_FULL)
-            else
-                continue
-            fi
+            local __fs=${file##*.}
+
+            js_key=""
+
+            case $file in
+                *.ini | *.json | *.hex)
+                    local __key_suffix=$(echo $file |
+                    sed -E -e 's=(.*[0-9]/[0-9])([^.]+)(.*)=\2=g' -e 's=/=.=g')
+                    js_key=".$__fs.$__cl.zg[$ZONE_GROUP].z[$ZONE]$__key_suffix"
+                    md5sum_update_conf=$(cat $PSA_UPDATE_CONF | jq -r $js_key)
+                    md5sum_repository="$(md5_of $CUSTOMER_ID_BASE_DIR/$file)"
+                    ;;
+                *)
+                    log_crit "$func:${LINENO} unknown file=${file}"
+                    ;;    
+            esac
+
+            test -z $js_key && continue
                 
             PERCENT=$((PERCENT+1))
             test $PERCENT -gt 100 && PERCENT=100
@@ -398,8 +373,37 @@ cleanup_previous_version() {
     return 0
 }
 
-check_for_apism () {
-    nc localhost 7778
+check_for_running_apism () {
+    local func="${FUNCNAME[0]}"
+    if nc localhost 7778
+    then
+        APISM_RUNNING=1
+        log_info "$func:${LINENO}: APISM is running..."
+        return 0
+    fi
+    log_fatal "$func:${LINENO}: !!! APISM NOT RUNNING !!!"
+}
+
+check_default_route () {
+    local func="${FUNCNAME[0]}"
+    if ip route | head -n 1 | grep -q '^default'
+    then
+        log_info "$func:${LINENO}: default route set"
+        return 0
+    fi
+    log_fatal "$func:${LINENO}: !!! NO DEFAULT ROUTE SET !!!"
+}
+
+check_route_to_repository () {
+    local func="${FUNCNAME[0]}"
+    # ip_address=$1, e.g. git.mimbach.de (185.191.219.134)
+    # 185.191.219.134 via 192.168.5.254 ...
+    if test "$#" -eq 1 && ip route get "$1" | head -n 1 | grep -q "^$1"
+    then
+        log_info "$func:${LINENO}: route to repository available"
+        return 0
+    fi
+    log_fatal "$func:${LINENO}: !!! NO ROUTE TO REPO SET !!!"
 }
 
 get_customer_id () {

update_psa_impl

@@ -13,11 +13,13 @@ trap collect_current_configuration EXIT
 collect_current_configuration () {
     local func="${FUNCNAME[0]}"
 
+    $FATAL_FAILURE && return 1
+
     # TODO: eventuell muss die version neu berechnet werden
     current_settings_to_ismas
 
     #for line in $(cat $PSA_UPDATE_CONF |\
-    #          jq -r .conf.szeged.zg[1].z[1].etc.psa_config)
+    #          jq -r .conf.szeged.zg[$ZONE_GROUP].z[$ZONE].etc.psa_config)
     #do
     #    conf_file="$(echo $line | 
     #                 sed -E -ne 's/^[^{}]\s+\"(DC2C_[[:alnum:]]+)\".*$/\1/gp')"
@@ -29,151 +31,50 @@ collect_current_configuration () {
 }
 
 update_psa() {
-
-    if ! updates_available; then    # check for false alarm
-        update_psa_false_alarm "update requested, but no WAIT state detected"
-        exit $?
-    fi
-
     update_psa_activated    # message to ISMAS
-            
-    local try_update_count=0
     local func="${FUNCNAME[0]}"
+    
+    check_default_route
+    check_route_to_repository "185.191.219.134" # git.mimbach.de
+    # even for a git clone a running APISM is needed 
+    check_for_running_apism
+
+    # an initial clone of the customer-repository (e.g. customer_281) is 
+    # always possible, even without a ISMAS-WAIT-button
+    clone_customer_repository ${CUSTOMER_REPOSITORY_PATH}
+    check_sanity_of_repository
+    $INITIAL_CLONE && return 0
+
+    if [ "$MAINTENANCE" = "NO" ]; then
+        log_info "update_psa:${LINENO}: MAINTENANCE OFF. Checking for updates..."
+        # someone must have activated the WAIT-button in ISMAS. 
+        # Request the status of this button in updates_available().
+        if ! updates_available; then 
+            update_psa_false_alarm "update requested, but no WAIT state detected !!!"
+            log_fatal "update_psa:${LINENO}: update requested, but no WAIT state detected !!!"
+        fi
+    else
+        # simulate an activated WAIT-button
+        set_updates_available
+        while :
+        do
+            sleep 5
+            updates_available && break
+        done 
+    fi
 
     log_debug "$func:${LINENO}: fetch/merge updates..."
    
-    # Fetch new updates (using git)
-    while :
-    do
-        local repository_is_already_up_to_date=""
-        if ! fetch_customer_updates repository_is_already_up_to_date; then
-            if [ "$repository_is_already_up_to_date" = "yes" ]; then
-                log_error "$func:${LINENO}: $customer_id is up-to-date"\
-                    "-> no files to update -> no psa update"
-                update_psa_false_alarm \
-                    "update request, but no change in $CUSTOMER_REPOSITORY_PATH"
-                exit $?
-            fi
-            try_updates_count=$((try_updates_count+1))
-            if [[ "$try_updates_count" -eq 5 ]]; then
-                log_error "$func:${LINENO}: fetch/merging failed"
-                update_psa_pull_error # message to ISMAS
-                exit $?
-            fi
-            update_psa_pull_error # message to ISMAS
-            sleep 10s
-        else
-            # Fetched updates successfully 
-            try_updates_count=0
-            break
-        fi
-    done
+    # Fetch new updates (using git). but only when repository has already been
+    # cloned.
+    if ! fetch_customer_updates; then
+        log_error "$func:${LINENO}: fetch no data for $customer_id"\
+	    "-> no files to update -> no psa update"
+        update_psa_false_alarm \
+	    "update request, but no change in $CUSTOMER_REPOSITORY_PATH"
+        # TODO
+    fi
             
     update_psa_pull_customer_repository # message to ISMAS
-
-    # TODO: backup implementieren
-    # Backup before any updates in case some previous test was wrong
-    if ! backup_previous_version; then
-        log_error "$func:${LINENO}: backup failed"
-        revert_customer_repository
-        update_psa_backup_error  # message to ISMAS
-        exit $?
-    fi
-    
-    update_psa_backup   # message to ISMAS
-
-    # TODO: use CLONE_CUSTOMER_REPOSITORY=true
-    # d.h. wird das rep geklont, also neu angelegt, dann sind eigentlich alle
-    # dateinen zu ueberpruefen
-
-    local changed_files=$(changed_file_names)
-    local files_to_copy=$(filter_changed_files "$changed_files" 'json|ini|hex')
-
-    update_psa_report_changed_file_names $changed_files # message to ISMAS
-
-    # check if *.conf and/or *.ini-files have to md5-sum as denoted
-    # in update.conf
-    if ! check_md5_for_changed_json_and_ini_files "$files_to_copy" ; then
-        local __r=$?
-        log_error "$func:${LINENO}: new customer files wrong"
-        revert_customer_repository
-        exit $__r
-    fi
-    
-    if ! check_hardware_compatibility "$files_to_copy" ; then
-        local __r=$?
-        log_error "$func:${LINENO}: json/ini-files not fit for PSA"
-        revert_customer_repository
-        exit $__r
-    fi
-
-    # copy *.conf and/or *.ini-files to their corresponding system-directories
-    if ! copy $files_to_copy; then
-        local __r=$?
-        log_error "$func:${LINENO}: copy operation failed"
-        revert_customer_repository
-        exit $__r
-    fi
-
-    # check if the opkg-command-file has been changed during 'git pull'
-    if grep -qE ".*opkg_commands.*?" <<< $changed_files; then
-        # read opkg_cmds: each line respresents an opkg-command
-        readarray opkg_commands < <(cat $opkg_cmds_file)
-        for opkg_c in "${opkg_commands[@]}"; do
-            if grep -qE "^\s*[#]+.*$" <<< $opkg_c; then
-                continue    # found comment line
-            fi
-
-            # package manipulation commands without package:
-            local cwp="update|upgrade|clean"
-            # informational commands without package:
-            cwp="${cwp}|list|list-installed|list-upgradable"
-
-            if grep -qE "^.*\s+($cwp)\s+.*$" <<< $opkg_c; then
-                local p=$(printf '%s' "$opkg_c" | awk '{ print $NF }')
-                local opkg_output=()
-                if ! exec_opkg_info "$p" opkg_output; then
-                    log_error "$func:${LINENO}: opkg info $opkg_c failed"
-                    revert_customer_repository ; exit 1
-                fi
-
-                if ! check_md5_for_opkg_packages opkg_output; then
-                    log_error "$func:${LINENO}: "\
-                        "wrong md5sum for opkg packages"
-                    revert_customer_repository ; exit 1
-                fi
-            fi
-            
-            # perform a dry-run and check if everything might work as expected. 
-            if ! exec_opkg_noaction $opkg_c; then
-                    log_error "$func:${LINENO}: "\
-                        "opkg --noaction $opkg_c failed"
-            fi
-
-            # Actually execute the opkg command
-            if ! exec_opkg $opkg_c; then
-                log_error "$func:${LINENO}: exec_opkg $opkg_c failed"
-                fallback_to_previous_version
-                revert_customer_repository ; exit 1
-            fi
-        done
-    else
-        log_info "$func:${LINENO}: no opkg commands to execute"
-        update_psa_install_opkg_packages $UPDATE_ISMAS_PROGRESS \
-                $RC_SUCCESS "no opkg commands to execute"
-    fi
-    
-    # Cleanup.
-    if ! cleanup_previous_version; then
-        log_error "$func:${LINENO}: cleanup_previous_version failed"
-    fi
-
-    # compute version string for current (i.e. new) version
-    compute_version
-
-    update_psa_cleanup $UPDATE_ISMAS_PROGRESS \
-        $RC_SUCCESS "cleanup after psa update"
-
-    exit 0
 }