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|
#!/bin/sh -e
#
# repo sync script (env-based: REPOSYNC_*)
#
log() {
msg="$1"
if [ "$LOG" ]; then
echo "$(date +'%Y-%m-%d %H:%M:%S') $msg" | tee -a "$LOGFILE"
else
echo "$msg"
fi
}
run_cmd() {
if [ "$DRY_RUN" ]; then
log " [dry-run] $*"
else
log " $*"
eval "$@"
fi
}
syncrepo() {
url=$1
branch=$2
path=$3
[ -z "$url" ] && return 0
if [ -z "$path" ]; then
log "error: invalid repo format (missing path)"
return 1
fi
if [ "$FORCE" ] && [ -d "$path" ]; then
log "=> Force removing repo directory $path..."
run_cmd "rm -rf \"$path\""
fi
if [ ! -d "$path/.git" ]; then
log "=> Cloning repo into $path..."
if [ "$DRY_RUN" ]; then
log " [dry-run] mkdir -p \"$path\" && git clone --quiet --branch \"$branch\" --single-branch \"$url\" \"$path\""
else
mkdir -p "$path"
git clone --quiet --branch "$branch" --single-branch "$url" "$path"
fi
else
log "=> Updating repo $path..."
old_head=$(cd "$path" && git rev-parse HEAD 2>/dev/null) || true
if [ "$DRY_RUN" ]; then
log " [dry-run] git fetch --quiet origin $branch && git reset --quiet --hard origin/$branch && git clean -q -fdx"
else
cd "$path" && git fetch --quiet origin "$branch"
cd "$path" && git reset --quiet --hard "origin/$branch"
cd "$path" && git clean -q -fdx
fi
new_head=$(cd "$path" && git rev-parse HEAD 2>/dev/null) || true
if [ "$old_head" ] && [ "$new_head" ] && [ "$old_head" != "$new_head" ]; then
log "=> Changed files:"
cd "$path" && git --no-pager diff --stat "$old_head" "$new_head" 2>/dev/null || true
fi
fi
}
usage() {
echo "Usage: $0 [-n|-l|-f]"
echo " -n dry-run"
echo " -l logging (/var/log/reposync.log)"
echo " -f force sync"
exit 1
}
# --- args ---
while [ "$1" ]; do
case "$1" in
-n) DRY_RUN=1;;
-l) LOG=1;;
-f) FORCE=1;;
-h) usage;;
esac
shift
done
# --- checks ---
command -v git >/dev/null 2>&1 || {
echo "error: git is not installed." >&2
exit 1
}
LOGFILE="/var/log/reposync.log"
REPOS=$(env | grep '^REPOSYNC_' | sort || true)
if [ -z "$REPOS" ]; then
echo "error: no REPOSYNC_* variables found." >&2
exit 1
fi
echo "$REPOS" | while IFS='=' read -r name value; do
IFS='|' read -r url branch path _ <<EOF
$value
EOF
[ -z "$url" ] && continue
syncrepo "$url" "$branch" "$path"
done
exit 0
|
