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GitHub.webhook-scripts/src/bin/git_sync.sh

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#!/usr/bin/env bash
# AUTHOR: Clemens Schwaighofer
# DATE: 2025/6/27
# DESC: fetch and merge from a remote repositry
REPOSITORY="$1";
BRANCH="$2";
REMOTE_NAME="$3";
if [ -z "${REMOTE_NAME}" ]; then
REMOTE_NAME="origin"
fi;
BASE_FOLDER=$(dirname "$(readlink -f "$0")")"/";
# shellcheck source=init.sh
. "${BASE_FOLDER}init.sh";
# check that repository path exists
GIT_REPOSITORY_FOLDER="${GIT_WEBHOOK_BASE_FOLDER}${CLONE_BASE}${REPOSITORY}";
if [ ! -d "${GIT_REPOSITORY_FOLDER}" ]; then
echo "[!] ${REPOSITORY} not found in clone folder";
echo "[!] Full path: ${GIT_REPOSITORY_FOLDER}";
exit;
fi;
LOG_FILE="${GIT_WEBHOOK_BASE_FOLDER}${LOG_FOLDER}${REPOSITORY}.log";
unique_id=$(uuidgen | tr -d '-' | head -c 8);
# fetch to for diff check
GIT_COMMAND=("${GIT_COMMAND_BASE[@]}" "-C" "${GIT_REPOSITORY_FOLDER}" "fetch" "-q" "${REMOTE_NAME}" "${BRANCH}")
"${GIT_COMMAND[@]}"
# check diff for if we need to update
GIT_COMMAND=("${GIT_COMMAND_BASE[@]}" "-C" "${GIT_REPOSITORY_FOLDER}" "diff" "--stat" "HEAD" "${REMOTE_NAME}/${BRANCH}")
changes=$("${GIT_COMMAND[@]}" 2>&1)
if [ -n "${changes}" ]; then
echo "[$(date +"%Y-%m-%d %H:%M:%S")] [${unique_id}] [START] git merge ${GIT_REPOSITORY_FOLDER} ${REMOTE_NAME}/${BRANCH}" &>> "$LOG_FILE";
GIT_COMMAND=("${GIT_COMMAND_BASE[@]}" "-C" "${GIT_REPOSITORY_FOLDER}" merge "${REMOTE_NAME}/${BRANCH}")
log_data=$("${GIT_COMMAND[@]}" 2>&1);
echo "[$(date +"%Y-%m-%d %H:%M:%S")] [${unique_id}] ${log_data}" &>> "$LOG_FILE";
echo "[$(date +"%Y-%m-%d %H:%M:%S")] [${unique_id}] [END]" &>> "$LOG_FILE";
fi;
# __END__