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author | Simon Josefsson <simon@josefsson.org> | 2011-11-13 11:07:41 +0100 |
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committer | Simon Josefsson <simon@josefsson.org> | 2011-11-13 11:07:41 +0100 |
commit | d67fde90c62c94987893824ae2e5315c21a7a796 (patch) | |
tree | f8a99e209af408d9558c3fdaf07d5fe39a2a0497 /build-aux/git-version-gen | |
parent | 293ba0481af81e296d922434983ebb23e79518e3 (diff) | |
download | gnulib-d67fde90c62c94987893824ae2e5315c21a7a796.tar.gz |
git-version: Improve command line handling.
* build-aux/git-version-gen: Add --help and --version.
Diffstat (limited to 'build-aux/git-version-gen')
-rwxr-xr-x | build-aux/git-version-gen | 58 |
1 files changed, 49 insertions, 9 deletions
diff --git a/build-aux/git-version-gen b/build-aux/git-version-gen index 168d81a7ae..3234bddc5f 100755 --- a/build-aux/git-version-gen +++ b/build-aux/git-version-gen @@ -1,6 +1,6 @@ #!/bin/sh # Print a version string. -scriptversion=2011-08-11.12; # UTC +scriptversion=2011-11-13.10; # UTC # Copyright (C) 2007-2011 Free Software Foundation, Inc. # @@ -69,15 +69,55 @@ scriptversion=2011-08-11.12; # UTC # dist-hook: # echo $(VERSION) > $(distdir)/.tarball-version -case $# in - 1|2) ;; - *) echo 1>&2 "Usage: $0 \$srcdir/.tarball-version" \ - '[TAG-NORMALIZATION-SED-SCRIPT]' - exit 1;; -esac -tarball_version_file=$1 -tag_sed_script="${2:-s/x/x/}" +me=$0 + +version="git-version-gen $scriptversion + +Copyright 2011 Free Software Foundation, Inc. +There is NO warranty. You may redistribute this software +under the terms of the GNU General Public License. +For more information about these matters, see the files named COPYING." + +usage="\ +Usage: $me [OPTION]... \$srcdir/.tarball-version [TAG-NORMALIZATION-SED-SCRIPT] +Print a version string. + +Options: + + --help display this help and exit + --version output version information and exit + +Running without arguments will suffice in most cases." + +while test $# -gt 0; do + case $1 in + --help) echo "$usage"; exit 0;; + --version) echo "$version"; exit 0;; + -*) + echo "$0: Unknown option \`$1'." >&2 + echo "$0: Try \`--help' for more information." >&2 + exit 1;; + *) + if test -z "$tarball_version_file"; then + tarball_version_file="$1" + elif test -z "$tag_sed_script"; then + tag_sed_script="$1" + else + echo "$0: extra non-option argument \`$1'." >&2 + exit 1 + fi;; + esac + shift +done + +if test -z "$tarball_version_file"; then + echo "$usage" + exit 1 +fi + +tag_sed_script="${tag_sed_script:-s/x/x/}" + nl=' ' |