Marty Oehme
0b43d717d3
Added check to fetch remote updates before actually pulling in remote changes. This may help somewhat with the modification of files when they are simultaneously open in vim, though I am not entirely sure. Needs further investigation.
112 lines
2.4 KiB
Bash
Executable file
112 lines
2.4 KiB
Bash
Executable file
#!/usr/bin/env sh
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#
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# Keeps a git directory synced by automatically committing every x seconds.
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# After y number of runs without changes automatically pushes the directory to a remote.
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# time in seconds to check for changes to commit
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TIME_TO_COMMIT=${GS_TIME_TO_COMMIT:-120}
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# amount of times to check for changes *without changes occurring* to push to origin
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UNCHANGED_RUNS_TO_PUSH=${GS_UNCHANGED_RUNS_TO_PUSH:-30}
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# logging verbosity level -- 0=error, 1=info, 2=debug
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VERBOSITY=${GS_LOG_VERBOSITY:-1}
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set_target() {
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[ -z "$GS_TARGETDIR" ] && [ -z "$1" ] && {
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msg "ERROR: git-sync requires a target directory to keep in sync to be passed in." 0
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exit 1
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}
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DIR="${GS_TARGETDIR:-$1}"
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}
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pull() {
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msg "Pulling upstream changes into $DIR"
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run_git pull --ff-only --ff
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}
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commit() {
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msg "Committing changes to $DIR"
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run_git add .
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# shellcheck disable=2039
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run_git commit --no-gpg-sign -m "Git sync: $(date +%F_%R) from ${HOSTNAME:-"${HOST:-undefined}"}"
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}
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push() {
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msg "No changes for $((UNCHANGED_RUNS_TO_PUSH * TIME_TO_COMMIT)) seconds, pushing to origin"
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run_git push
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}
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should_commit() {
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if [ "$(run_git diff-files --name-only | wc -l)" -eq 0 ]; then
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msg "No changes to commit in $DIR" 2
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false
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else
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msg "Found changes to commit in $DIR" 2
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true
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fi
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}
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should_push() {
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if [ "$no_change_cycle" -ge "$UNCHANGED_RUNS_TO_PUSH" ]; then
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true
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else
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false
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fi
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}
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should_pull() {
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run_git fetch
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# shellcheck disable=1083
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if [ "$(run_git rev-parse HEAD)" = "$(run_git rev-parse @{u})" ]; then
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false
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else
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true
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fi
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}
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run_git() {
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git -C "$DIR" "$@"
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}
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# echos its first argument
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# verbosity level optionally set through second argument
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# default verbosity 1 (info), can be set to 2 (debug), or 0 (error)
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msg() {
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lvl=${2:-1}
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[ "$lvl" -gt "$VERBOSITY" ] && return 0
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echo "$1"
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}
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watch_changes() {
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no_change_cycle=0
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while true; do
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if should_pull; then
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pull
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fi
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if should_commit; then
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commit
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no_change_cycle=0
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fi
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if should_push; then
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push
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no_change_cycle=-9999
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fi
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msg "No changes for $((no_change_cycle * TIME_TO_COMMIT)) of $((UNCHANGED_RUNS_TO_PUSH * TIME_TO_COMMIT)) seconds, going back to sleep for $((TIME_TO_COMMIT)) seconds." 2
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no_change_cycle=$((no_change_cycle + 1))
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sleep "$TIME_TO_COMMIT"
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done
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}
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main() {
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set_target "$1"
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watch_changes
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}
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main "$1"
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