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[fix] Prepend backup dir to relative path only and allow absolute in ynh_backup

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This commit is contained in:
Jérôme Lebleu 2016-05-08 00:26:07 +02:00
parent 36a8a2d278
commit 403b1d71a3
1 changed files with 4 additions and 8 deletions
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12
data/helpers.d/filesystem
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@ -3,7 +3,7 @@ CAN_BIND=${CAN_BIND:-1}
# Mark a file or a directory for backup
# Note: currently, SRCPATH will be copied or binded to DESTPATH
#
# usage: ynh_backup srcdir destdir can_bind as_root
# usage: ynh_backup srcdir destdir to_bind no_root
# | arg: srcdir - directory to bind or copy
# | arg: destdir - mountpoint or destination directory
# | arg: to_bind - 1 to bind mounting the directory if possible
@ -20,14 +20,10 @@ ynh_backup() {
echo "Source path '${DESTPATH}' does not exist" >&2
return 1
}
[[ "${DESTPATH:0:1}" = "/" ]] && {
echo "Destination path should be relative" >&2
return 1
}
# prepend the backup directory
[[ -z "${YNH_APP_BACKUP_DIR}" ]] || \
DESTPATH="${YNH_APP_BACKUP_DIR}/${DESTPATH}"
[[ -n "${YNH_APP_BACKUP_DIR}" && "${DESTPATH:0:1}" != "/" ]] \
&& DESTPATH="${YNH_APP_BACKUP_DIR}/${DESTPATH}"
[[ ! -e "${DESTPATH}" ]] || {
echo "Destination path '${DESTPATH}' already exist" >&2
return 1
@ -39,7 +35,7 @@ ynh_backup() {
if sudo mount --rbind "${SRCPATH}" "${DESTPATH}"; then
# try to remount destination directory as read-only
sudo mount -o remount,ro "${DESTPATH}" \
sudo mount -o remount,ro "${DESTPATH}" >/dev/null 2>&1 \
|| sudo mount -o remount,ro,bind "${SRCPATH}" "${DESTPATH}" \
|| true
return 0