Thu Dec 23 06:28:03 PM UTC 2021

1 files changed, 180 insertions, 0 deletions

diff --git a/.bin/oak b/.bin/oak
new file mode 100755
index 0000000..4ea560e
--- /dev/null
+++ b/.bin/oak
@@ -0,0 +1,180 @@
+#!/bin/sh
+#             _
+#            | |
+#  __   __,  | |
+# /  \_/  |  |/_)
+# \__/ \_/|_/| \_/
+#
+# ~/.bin/oak
+#
+# manage multiple dotfiles repo in same work tree
+#
+# Example:
+#  dotfiles.d/
+#  |_ config
+#  |_ secret
+#
+# ~ rgoncalves.se
+
+usage() {
+	cat <<- EOF
+	USAGE ${0} : git_dirname git_action [arguments...]
+	    -b: enable bootstraping for absent repository
+	    -d: oak directory to work on
+	        works in batch mode if no directory is provided
+	    -f: force all operations
+	        use with caution
+	    -m: commit message when using -s option
+	        commits_msg_have_to_be_written_like_this
+	    -r: git remote with full path to parent directory
+	    -h: show usage of ${0}
+	EOF
+}
+
+log() {
+	echo "[OAK  ] ${@}"
+}
+
+git_chroot() {
+	log ">> ${1}"
+	git --git-dir="${OAK_ROOT}/${1}" --work-tree="${HOME}" ${2}
+}
+
+git_bootstrap() {
+	# directory url remote
+	git_chroot "${1}" "clone --bare git@${2}/${1} ${OAK_ROOT}/${1}"
+	[ "${?}" -ne 0 ] && log "Failed to bootstrap ${1}" && exit 1
+	git_chroot "${1}" "checkout trunk" >/dev/null 2>&1
+	git_chroot "${1}" "branch --set-upstream-to trunk origin/trunk" >/dev/null 2>&1
+	git_chroot "${1}" "push -u origin trunk" >/dev/null 2>&1
+}
+
+git_sync() {
+	# actions
+	git_sane_all
+	pull_out=$(git_chroot "${1}" "pull")
+	if [ "${?}" -ne 0 ]; then
+		log "error while doing git pull"
+		exit 1
+	fi
+	echo "${pull_out}" 2>&1 | grep " ."
+	git_chroot "${1}" "add -u" >/dev/null
+	git_chroot "${1}" "commit -m ${OAK_MSG}"
+	git_chroot "${1}" "push --set-upstream origin trunk"
+	# cleanup
+	unset pull_out push_out
+}
+
+git_list() {
+	log "Available repositories : "
+	for dir in ${OAK_DIRS}; do
+		log " - ${dir}"
+	done
+}
+
+git_sane() {
+	if [ "${1}" = "${2}" ]; then
+		return 1
+	fi
+	git_chroot "${1}" "ls-files" > ~/.cache/oak_a
+	git_chroot "${2}" "ls-files" > ~/.cache/oak_b
+	out=$(grep -F -x -f ~/.cache/oak_a ~/.cache/oak_b)
+	if [ -n "${out}" ]; then
+		log "detected similar files for directories: ${repo_a}, ${repo_b}"
+		echo "${out}"
+		return 1
+	fi
+	return 0
+}
+
+git_sane_all() {
+	for repo_a in ${DOT_DIRS}; do
+		for repo_b in ${DOT_DIRS}; do
+			if [ "${repo_a}" = "${repo_b}" ]; then
+				continue
+			fi
+			git_sane "${DOT_ROOT}/${repo_a}" "${DOT_ROOT}/${repo_b}"
+			if [ "${?}" -ne 0 ]; then
+				log "aborting"
+				exit 1
+			fi
+		done
+	done
+}
+
+main() {
+
+	OAK_ROOT="${HOME}/.dotfiles.d"
+	OAK_DIRS=$(ls "${OAK_ROOT}")
+	OAK_DIR=""
+	OAK_REMOTE=""
+	OAK_CMD=""
+	OAK_MSG=""
+
+	# Retrieve oak params
+	while getopts "bd:hlm:r:s" arg; do
+		case "${arg}" in
+			b)
+				OAK_BOOTSTRAP=1
+				;;
+			d)
+				OAK_DIR="${OPTARG}"
+				;;
+			f)
+				OAK_FORCE=1
+				;;
+			h)
+				usage && exit 0
+				;;
+			m)
+				OAK_MSG="$(echo ${OPTARG} | tr -s '_' ' ')"
+				;;
+			l)
+				git_list
+				exit 0
+				;;
+			r)
+				OAK_REMOTE="${OPTARG}"
+				;;
+			s)
+				OAK_SYNC=1
+				;;
+		esac
+	done
+
+	[ -z "${OAK_MSG}" ] && OAK_MSG=$(date +%j_%H_%M_%S)
+
+	# Bootstrap non-present repositories
+	if [ -n "${OAK_DIR}" ] && [ ! -d "${OAK_ROOT}/${OAK_DIR}" ]; then
+		git_bootstrap "${OAK_DIR}" "${OAK_REMOTE}"
+		if [ "${?}" -ne 0 ]; then
+			log "Git repository does not exist. Error"
+			exit 1
+		fi
+		log "Successfully bootstraped git repository"
+	fi
+
+	# Retrieve oak command for git
+	shift $(expr "${OPTIND}" - 1)
+	for cmd in "${@}"; do
+		OAK_CMD="${OAK_CMD}${cmd} "
+	done
+
+	# Git synchronization in each repository
+	if [ -n "${OAK_SYNC}" ]; then
+		for dir in ${OAK_DIR:-$OAK_DIRS}; do
+			log "synchronize ${dir}"
+			git_sync "${dir}"
+		done
+	fi
+
+	# Raw command in each git repository
+	if [ -n "${OAK_CMD}" ]; then
+		for dir in ${OAK_DIR:-$OAK_DIRS}; do
+			git_chroot "${dir}" "${OAK_CMD}"
+		done
+	fi
+
+}
+
+main $@