diff options
| -rw-r--r-- | quilt/scripts/backup-files.in | 141 |
1 files changed, 78 insertions, 63 deletions
diff --git a/quilt/scripts/backup-files.in b/quilt/scripts/backup-files.in index 72edf8a..c7e3a68 100644 --- a/quilt/scripts/backup-files.in +++ b/quilt/scripts/backup-files.in @@ -57,86 +57,101 @@ ensure_nolinks() { fi } -process_file() { +backup() { local file="$1" local backup="${OPT_PREFIX}${file}" - if [ "$OPT_WHAT" == "backup" ]; then - if [ -e "$backup" ]; then - rm "$backup" + if [ -e "$backup" ]; then + rm "$backup" + else + mkdir -p "$(dirname "$backup")" + fi + + if [ ! -e "$file" ]; then + $ECHO "New file $file" + touch "$backup" + else + $ECHO "Copying $file" + if [ -n "$OPT_NOLINKS" -a "$(stat @STAT_HARDLINK@ "$file")" = "1" ]; then + cp -p "$file" "$backup" else - mkdir -p "$(dirname "$backup")" + ln "$file" "$backup" 2> /dev/null || cp -p "$file" "$backup" + if [ -n "$OPT_NOLINKS" ]; then + ensure_nolinks "$file" + fi fi - if [ ! -e "$file" ]; then - $ECHO "New file $file" + if [ -n "$OPT_TOUCH" ]; then touch "$backup" - else - $ECHO "Copying $file" - if [ -n "$OPT_NOLINKS" -a "$(stat @STAT_HARDLINK@ "$file")" = "1" ]; then - cp -p "$file" "$backup" - else - ln "$file" "$backup" 2> /dev/null || cp -p "$file" "$backup" - if [ -n "$OPT_NOLINKS" ]; then - ensure_nolinks "$file" - fi - fi - if [ -n "$OPT_TOUCH" ]; then - touch "$backup" - fi fi - elif [ "$OPT_WHAT" == "restore" ]; then - mkdir -p "$(dirname "$file")" + fi +} - if [ ! -e "$backup" ]; then - return 1 +restore() +{ + local file="$1" + local backup="${OPT_PREFIX}${file}" + + mkdir -p "$(dirname "$file")" + + if [ ! -e "$backup" ]; then + return 1 + fi + if [ ! -s "$backup" ]; then + $ECHO "Removing $file" + if [ -e "$file" ]; then + rm "$file" fi - if [ ! -s "$backup" ]; then - if [ -e "$file" ]; then - rm "$file" - fi - $ECHO "Removing $file" - if [ -z "$OPT_KEEP_BACKUP" ]; then - rm "$backup" - rmdir -p "${backup%/*}" 2> /dev/null || true - fi + if [ -z "$OPT_KEEP_BACKUP" ]; then + rm "$backup" + rmdir -p "${backup%/*}" 2> /dev/null || true + fi + else + $ECHO "Restoring $file" + if [ -e "$file" ]; then + rm "$file" + fi + if [ -n "$OPT_NOLINKS" -a "$(stat @STAT_HARDLINK@ "$backup")" != "1" ]; then + cp -p "$backup" "$file" else - $ECHO "Restoring $file" - if [ -e "$file" ]; then - rm "$file" - fi - if [ -n "$OPT_NOLINKS" -a "$(stat @STAT_HARDLINK@ "$backup")" != "1" ]; then - cp -p "$backup" "$file" - else - ln "$backup" "$file" 2> /dev/null || cp -p "$backup" "$file" - if [ -n "$OPT_NOLINKS" ]; then - ensure_nolinks "$file" - fi - fi - - if [ -z "$OPT_KEEP_BACKUP" ]; then - rm "$backup" - rmdir -p "${backup%/*}" 2> /dev/null || true - fi - if [ -n "$OPT_TOUCH" ]; then - touch "$file" + ln "$backup" "$file" 2> /dev/null || cp -p "$backup" "$file" + if [ -n "$OPT_NOLINKS" ]; then + ensure_nolinks "$file" fi fi - elif [ "$OPT_WHAT" == "remove" ]; then - if [ -e "$backup" ]; then + + if [ -z "$OPT_KEEP_BACKUP" ]; then rm "$backup" + rmdir -p "${backup%/*}" 2> /dev/null || true fi - rmdir -p "${backup%/*}" 2> /dev/null || true - elif [ -z "$OPT_WHAT" ]; then - if [ -e "$file" ] && [ -n "$OPT_NOLINKS" ]; then - ensure_nolinks "$file" + if [ -n "$OPT_TOUCH" ]; then + touch "$file" fi - else - return 1 + fi +} + +remove() +{ + local file="$1" + local backup="${OPT_PREFIX}${file}" + + if [ -e "$backup" ]; then + rm "$backup" + fi + rmdir -p "${backup%/*}" 2> /dev/null || true +} + +noop() +{ + local file="$1" + + if [ -e "$file" ] && [ -n "$OPT_NOLINKS" ]; then + ensure_nolinks "$file" fi } ECHO=echo +OPT_WHAT=noop declare -a FILELIST while [ $# -gt 0 ]; do case $1 in @@ -184,7 +199,7 @@ fi if [ -n "$OPT_FILE" ]; then cat "$OPT_FILE" \ | while read nextfile; do - process_file "$nextfile" + $OPT_WHAT "$nextfile" done fi @@ -199,14 +214,14 @@ while [ $I -lt ${#FILELIST[@]} ]; do find "$OPT_PREFIX" -type f -print \ | while read do - process_file "${REPLY#$OPT_PREFIX}" + $OPT_WHAT "${REPLY#$OPT_PREFIX}" done if [ ${PIPESTATUS[0]} != 0 ]; then exit 1 fi ;; *) - process_file "${FILELIST[$I]}" + $OPT_WHAT "${FILELIST[$I]}" ;; esac |