diff options
| -rw-r--r-- | quilt/scripts/backup-files.in | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/quilt/scripts/backup-files.in b/quilt/scripts/backup-files.in index 19bfa51..32d3d50 100644 --- a/quilt/scripts/backup-files.in +++ b/quilt/scripts/backup-files.in @@ -239,6 +239,34 @@ copy() fi } +copy_many() +{ + local NONEMPTY_FILES + + # Store the list of non-empty files to process + NONEMPTY_FILES=$(gen_tempfile) + trap "rm -f \"$NONEMPTY_FILES\"" EXIT + + # Keep the temporary file opened to speed up the loop + exec 3> "$NONEMPTY_FILES" + cat "$OPT_FILE" \ + | while read + do + if [ -e "$REPLY" ]; then + printf '%s\0' "$REPLY" >&3 + else + # This is a rare case, not worth optimizing + copy "$REPLY" + fi + done + exec 3>&- + + while read -d $'\0' -r + do + copy "$REPLY" + done < "$NONEMPTY_FILES" +} + # Test if some backed up files have a link count greater than 1 some_files_have_links() { @@ -301,6 +329,11 @@ if [ -z "$OPT_WHAT" ]; then fi if [ -n "$OPT_FILE" ]; then + if [ "$OPT_WHAT" = copy ]; then + copy_many + exit + fi + cat "$OPT_FILE" \ | while read nextfile; do $OPT_WHAT "$nextfile" |