clone_customer_repository: re-initailize repository after cloning. Copy
.githhoks/post-merge hook into .git/hooks/. post-merge will list the names of changed files and write them to /tmp/git-pull. The existence of /tmp/git-pull shows that there have been received changed files.
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git_helpers
136
git_helpers
@ -83,14 +83,26 @@ clone_customer_repository () {
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$(exec_git_command git clone "$1")
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if [ $? -eq 0 ]; then
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log_debug "$func:${LINENO} cloning ${1} done"
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local res=$(exec_git_command git --git-dir="${CUSTOMER_ID_BASE_DIR}/.git" --work-tree="/" init)
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# after cloning, cd into repository, and re-initialize,
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# setting the work-tree as "/". This has the effect that
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# a "git pull" will automatically fetched files in the
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# corresponding sytem-folders.
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if cd ${CUSTOMER_ID_BASE_DIR}; then
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local res=$(exec_git_command git --git-dir=.git --work-tree=/ init)
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if ! [[ -z $res ]]; then
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# re-initialized. copy post-merge (a hook called
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# when 'git pull' is executed and changed data
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# are received).
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if cp ".githooks/post-merge" ".git/hooks"; then
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log_debug "$func:${LINENO} copied post-merge to .git/hooks"
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CLONE_CUSTOMER_REPOSITORY=true
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log_debug "$func:${LINENO} re-init of ${1} done"
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cd -; return 0
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cd_home; return 0
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fi
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fi
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cd -
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fi
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fi
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cd_home; return 1
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fi
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else
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# the directory is not empty, so we assume the
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@ -148,109 +160,27 @@ pull_customer_repository () {
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return 1
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fi
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local commit_before_pull=$(latest_commit)
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if [ -z $commit_before_pull ]; then
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log_warn "$func:${LINENO}: commit_before_pull empty"
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cd_home ; return 1
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fi
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log_debug "$func:${LINENO}: commit_before_pull=$commit_before_pull"
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#local commit_before_pull=$(latest_commit)
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#if [ -z $commit_before_pull ]; then
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# log_warn "$func:${LINENO}: commit_before_pull empty"
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# cd_home ; return 1
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#fi
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#log_debug "$func:${LINENO}: commit_before_pull=$commit_before_pull"
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rm -f "$OPKG_CMDS_TMP"
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rm -f "$GIT_PULL_TMP"
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log_debug "$func:${LINENO}: executing 'git pull'..."
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exec_git_command 'git pull'
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local git_result=$(exec_git_command 'git pull')
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if [ -z "$git_result" ]; then
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log_warn "$func:${LINENO}: git result empty" ; cd_home;
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return 1
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fi
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# see https://www.gnu.org/
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# software/bash/manual/html_node/Shell-Parameter-Expansion.html
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# [...]
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#
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# ${parameter//pattern/string}
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#
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# If there are two slashes separating parameter and pattern (...),
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# all matches of pattern are replaced with string.
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#
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# If the expansion of string is null, matches of pattern are deleted.
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# [...]
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git_result=${git_result//[$'\r\n\t']/ }
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log_debug "$func:${LINENO} git-pull-result=${git_result}"
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if grep -qE "^.*?Already\s+\up\s+\to\s+date.*$" <<< "$git_result"; then
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log_warn "$func:${LINENO}: repository $PWD already up to date."
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read $1 <<< 'yes'
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cd_home ; return 1
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fi
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local commit_after_pull=$(latest_commit)
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if [ -z $commit_after_pull ]; then
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cd_home ; return 1
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fi
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log_debug "$func:${LINENO}: commit_after_pull=$commit_after_pull"
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# Note: # 'git pull' is a 'git fetch' followed by a 'git merge'.
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# Here's the fetch portion:
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#
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# remote: Counting objects: 11, done.
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# remote: Compressing objects: 100% (5/5), done.
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# remote: Total 7 (delta 2), reused 0 (delta 0)
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#
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# At this point, you've told the remote what you want.
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# It finds all the objects it needs to give you,
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# compresses them for faster transfer over the network,
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# and then reports what it's sending you.
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#
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# Unpacking objects: 100% (7/7), done.
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#
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# You receive the pack (set of compressed objects) and unpack it.
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#
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# From ssh://my.remote.host.com/~/git/myproject
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# * branch master -> FETCH_HEAD
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# You've fetched the branch 'master' from the given remote;
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# the ref FETCH_HEAD now points to it.
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# Now we move on to the merge - precisely, git will merge
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# FETCH_HEAD (the remote's master branch) into your current branch
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# (presumably master).
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#
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#######################################################################
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# here starts "message"
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#
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# Updating 9d447d2..f74fb21
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# Fast forward
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#
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# It turns out that you haven't diverged from the remote's master branch,
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# so the merge is a fast-forward (a trivial merge where it simply moves
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# you forward in the history).
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#
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# Git notes the original position of your master branch (9d447d2)
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# and the new position (f74fb21) it's been fast-forwarded to.
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# If you had diverged from the remote's master branch,
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# you'd see the output of a recursive merge here - Merge made
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# by recursive, possibly along with some Auto-merged <file>
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# and (oh no!) merge conflicts!
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#
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# szeged/1/1/etc/psa_config/device.conf | 13 +++++++------
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# szeged/update.conf | 2 +-
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# 2 files changed, 8 insertions(+), 7 deletions(-)
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#
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# Finally, it shows you the diffstat between the original and post-merge
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# position of your master branch;
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# this is basically what you'd get from
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#
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# git diff --stat master@{1} master.
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#
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update_commit="${commit_before_pull}..${commit_after_pull}"
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if ! grep -qE ".*Updating\s+${update_commit}.*?" <<< $git_result; then
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log_crit "$func:${LINENO}: no $update_commit in [ $git_result ]"
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cd_home ; return 1
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fi
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# GIT_PULL_TMP created by hook post-merge. it contains the names of the
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# changed files.
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if [[ -f $GIT_PULL_TMP ]]; then
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cd_home; return 0
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fi
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log_warn "$func:${LINENO}: no data fetched form repository"
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cd_home; return 1
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}
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# pull_customer_repository customer_281
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