From aaab6af22ee583dcc8711e9fb2dc9aa53ef762bc Mon Sep 17 00:00:00 2001
From: Clemens Schwaighofer <clemens.schwaighofer@egplusww.com>
Date: Tue, 15 Jul 2025 09:23:13 +0900
Subject: [PATCH] Add switch branch script

---
 src/bin/base_setup.sh    | 26 +++++++++++++++++++-----
 src/bin/switch_branch.sh | 43 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 64 insertions(+), 5 deletions(-)
 create mode 100644 src/bin/switch_branch.sh

diff --git a/src/bin/base_setup.sh b/src/bin/base_setup.sh
index 530fbc9..1183df5 100755
--- a/src/bin/base_setup.sh
+++ b/src/bin/base_setup.sh
@@ -75,14 +75,21 @@ if [ -d "${GIT_WEBHOOK_BASE_FOLDER}" ]; then
 	echo "[TODO] -> Not implemented: check folder, check ACL";
 	# copy scripts & default config
 	echo "~ Copy basic script and config files";
-	# git_sync.sh, init.sh, new_clone.sh, webhook.default.cfg
-	cp "${BASE_FOLDER}new_clone.sh" "${BASE_FOLDER}init.sh" "${BASE_FOLDER}git_sync.sh" "${GIT_WEBHOOK_BASE_FOLDER}${CLONE_SCRIPTS_FOLDER}";
-	cp "${CONFIG_BASE}/webhook.default.cfg" "${GIT_WEBHOOK_BASE_FOLDER}${CONFIG_FOLDER}";
+	# git_sync.sh, init.sh, new_clone.sh, switch_branch.sh, webhook.default.cfg
+	cp \
+		"${BASE_FOLDER}new_clone.sh" \
+		"${BASE_FOLDER}init.sh" \
+		"${BASE_FOLDER}git_sync.sh" \
+		"${BASE_FOLDER}switch_branch.sh" \
+		"${GIT_WEBHOOK_BASE_FOLDER}${CLONE_SCRIPTS_FOLDER}";
+	cp "${CONFIG_BASE}/webhook.default.cfg" \
+		"${GIT_WEBHOOK_BASE_FOLDER}${CONFIG_FOLDER}";
 	# and make sure they are all owned by the correct user
 	chown "${SUDO_USER}" \
 		"${BASE_FOLDER}new_clone.sh" \
 		"${BASE_FOLDER}init.sh" \
 		"${BASE_FOLDER}git_sync.sh" \
+		"${BASE_FOLDER}switch_branch.sh" \
 		"${CONFIG_BASE}/webhook.default.cfg";
 	# check config entries missing
 	exit;
@@ -159,13 +166,22 @@ EOF
 	# Copy files
 	echo "+ Copy basic script and config files";
 	# git_sync.sh, init.sh, new_clone.sh, webhook.default.cfg
-	cp "${BASE_FOLDER}new_clone.sh" "${BASE_FOLDER}init.sh" "${BASE_FOLDER}git_sync.sh" "${GIT_WEBHOOK_BASE_FOLDER}${CLONE_SCRIPTS_FOLDER}";
-	cp "${CONFIG_BASE}/webhook.cfg" "${CONFIG_BASE}/webhook.default.cfg" "${GIT_WEBHOOK_BASE_FOLDER}${CONFIG_FOLDER}";
+	cp \
+		"${BASE_FOLDER}new_clone.sh" \
+		"${BASE_FOLDER}init.sh" \
+		"${BASE_FOLDER}git_sync.sh" \
+		"${BASE_FOLDER}switch_branch.sh" \
+		"${GIT_WEBHOOK_BASE_FOLDER}${CLONE_SCRIPTS_FOLDER}";
+	cp \
+		"${CONFIG_BASE}/webhook.cfg" \
+		"${CONFIG_BASE}/webhook.default.cfg" \
+		"${GIT_WEBHOOK_BASE_FOLDER}${CONFIG_FOLDER}";
 	# and make sure they are all owned by the correct user
 	chown "${SUDO_USER}" \
 		"${BASE_FOLDER}new_clone.sh" \
 		"${BASE_FOLDER}init.sh" \
 		"${BASE_FOLDER}git_sync.sh" \
+		"${BASE_FOLDER}switch_branch.sh" \
 		"${CONFIG_BASE}/webhook.cfg" \
 		"${CONFIG_BASE}/webhook.default.cfg";
 fi;
diff --git a/src/bin/switch_branch.sh b/src/bin/switch_branch.sh
new file mode 100644
index 0000000..2782ae2
--- /dev/null
+++ b/src/bin/switch_branch.sh
@@ -0,0 +1,43 @@
+#!/usr/bin/env bash
+
+# AUTHOR: Clemens Schwaighofer
+# DATE: 2025/7/15
+# DESC: Switch a branch, run this script if we have to switch to a different branch
+#       If not the new branch will merge into the branch that was originally selected
+
+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";
+
+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=$(uuidgen | tr -d '-' | head -c 8);
+
+echo "[$(date +"%Y-%m-%d %H:%M:%S")] [${unique_id}] [START] On repository ${GIT_REPOSITORY_FOLDER} switch to branch ${REMOTE_NAME}/${BRANCH}" | tee -a "$LOG_FILE";
+# add new branch to remote
+GIT_COMMAND=("${GIT_COMMAND_BASE[@]}" "-C" "${GIT_REPOSITORY_FOLDER}" "remote" "set-branches" "--add" "${REMOTE_NAME}" "${BRANCH}")
+"${GIT_COMMAND[@]}" 2>&1 | tee -a "$LOG_FILE";
+# fetch new branch
+GIT_COMMAND=("${GIT_COMMAND_BASE[@]}" "-C" "${GIT_REPOSITORY_FOLDER}" "fetch" "--depth" "1" "${REMOTE_NAME}" "${BRANCH}")
+"${GIT_COMMAND[@]}" 2>&1 | tee -a "$LOG_FILE";
+# checkout new branch
+GIT_COMMAND=("${GIT_COMMAND_BASE[@]}" "-C" "${GIT_REPOSITORY_FOLDER}" "checkout" "${BRANCH}");
+"${GIT_COMMAND[@]}" 2>&1 | tee -a "$LOG_FILE";
+# get the latest changes from branch
+GIT_COMMAND=("${GIT_COMMAND_BASE[@]}" "-C" "${GIT_REPOSITORY_FOLDER}" "pull" "${REMOTE_NAME}" "${BRANCH}")
+"${GIT_COMMAND[@]}" 2>&1 | tee -a "$LOG_FILE";
+echo "[$(date +"%Y-%m-%d %H:%M:%S")] [${unique_id}] [END] branch switch done" | tee -a "$LOG_FILE";
+
+
+# __END__