diff options
| author | Florian Pritz <bluewind@xinu.at> | 2012-04-06 20:51:17 +0200 |
|---|---|---|
| committer | Dan McGee <dan@archlinux.org> | 2012-04-20 17:59:57 -0500 |
| commit | 70d425c1d341e5b3d36e612560f922dbd3b20e63 (patch) | |
| tree | 42386adf90bf975dab53638480e3b8c7c1a1019f | |
| parent | 0fc5aea027d83cc21498e14330d1f0d514a60112 (diff) | |
pkgdelta: rework option/argument parser
Signed-off-by: Florian Pritz <bluewind@xinu.at>
Signed-off-by: Dan McGee <dan@archlinux.org>
| -rw-r--r-- | scripts/pkgdelta.sh.in | 45 |
1 files changed, 27 insertions, 18 deletions
diff --git a/scripts/pkgdelta.sh.in b/scripts/pkgdelta.sh.in index 5fcc5be4..511910ba 100644 --- a/scripts/pkgdelta.sh.in +++ b/scripts/pkgdelta.sh.in @@ -38,11 +38,14 @@ m4_include(library/output_format.sh) # print usage instructions usage() { printf "pkgdelta (pacman) %s\n\n" "$myver" - printf -- "$(gettext "Usage: pkgdelta [-q] <package1> <package2>\n")" + printf -- "$(gettext "Usage: pkgdelta [options] <package1> <package2>\n")" printf -- "$(gettext "\ pkgdelta will create a delta file between two packages.\n\ This delta file can then be added to a database using repo-add.\n\n")" printf -- "$(gettext "Example: pkgdelta pacman-3.0.0.pkg.tar.gz pacman-3.0.1.pkg.tar.gz")\n" + echo + printf -- "$(gettext "Options:\n")" + printf -- " -q ""$(gettext "quiet\n")" } version() { @@ -123,32 +126,38 @@ create_xdelta() return 0 } -case "$1" in - -h|--help) usage; exit 0 ;; - -V|--version) version; exit 0 ;; - -q|--quiet) QUIET=1; shift ;; -esac - -if (( $# != 2 )); then +declare -a args + +# parse arguments +while (( $# )); do + case "$1" in + -h|--help) usage; exit 0 ;; + -V|--version) version; exit 0 ;; + -q|--quiet) QUIET=1;; + --) shift; args+=("$@"); break 2 ;; + -*) echo "invalid option -- '$1'"; usage; exit 1 ;; + *) args+=("$1");; + esac + shift +done + +if (( ${#args[@]} != 2 )); then usage exit 1 fi -if [[ ! -f $1 ]]; then - error "$(gettext "File '%s' does not exist")" "$1" - exit 1 -fi - -if [[ ! -f $2 ]]; then - error "$(gettext "File '%s' does not exist")" "$2" - exit 1 -fi +for i in "${args[@]}"; do + if [[ ! -f $i ]]; then + error "$(gettext "File '%s' does not exist")" "$i" + exit 1 + fi +done if ! type xdelta3 &>/dev/null; then error "$(gettext "Cannot find the xdelta3 binary! Is xdelta3 installed?")" exit 1 fi -create_xdelta "$1" "$2" +create_xdelta "${args[@]}" # vim: set ts=2 sw=2 noet: |