diff options
Diffstat (limited to 'core/includes/helper/fileutil.inc')
| -rw-r--r-- | core/includes/helper/fileutil.inc | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/core/includes/helper/fileutil.inc b/core/includes/helper/fileutil.inc new file mode 100644 index 00000000..9dc2c07b --- /dev/null +++ b/core/includes/helper/fileutil.inc @@ -0,0 +1,39 @@ +# +# copy list of files using tar +tarcopy () { + if [ $# -gt 0 -a "x$1" == "x-i" ]; then + shift + local IGNORE_ERROR="--ignore-failed-read" + else + local IGNORE_ERROR= + fi + if [ "x$IGNORE_TAR_ERROR" != "x" ]; then + unset IGNORE_TAR_ERROR + IGNORE_ERROR="--ignore-failed-read" + fi + [ $# -ne 2 ] && perror "Sanity check failed: tarcopy needs exactly two params, but $# were given." + local FROM=$(trim "$1") + local TO=$(trim "$2") + if [ -z "$FROM" ]; then + pwarning "tarcopy called with empty input list (dest was '$TO')" + return + fi + local SHORT=$FROM + [ ${#SHORT} -gt 30 ] && SHORT=$(echo "$SHORT" | sed ':a;N;$!ba;s/\n/ /g' | cut -c-25)...$(echo "$SHORT" | cut -c$[${#SHORT} - 4]-) + [ -z "$TO" ] && perror "tarcopy called with empty destination." + [ ! -d "$TO" ] && { mkdir -p "$TO" || perror "could not create destination "$TO" for tar-copy."; } + # TODO count files copied? would remove the need to do it everywhere :) + tar $IGNORE_ERROR -cpP $FROM | tar -xp -C "$TO" \ + --transform 's,^/lib/udev/rules.d,/usr/lib/udev/rules.d,' \ + 2> /dev/null + local PS=(${PIPESTATUS[*]}) + [ "x$IGNORE_ERROR" == "x" -a "x${PS[0]}" != "x0" ] && perror "packing-part of tar-copy from '$SHORT' to '$TO' failed. (${PS[0]})" + [ "x${PS[1]}" != "x0" ] && perror "unpacking-part of tar-copy from '$SHORT' to '$TO' failed. (${PS[1]})" +} + +# usage: CANONICALIZED_PATH=$(canonalize <path>) +# usage with relative path requires you to be in the correct directory. +canonicalize() { + cd -P -- "$(dirname -- "$1")" && printf '%s\n' "$(pwd -P)/$(basename -- "$1")" +} + |