X-Git-Url: https://erislabs.net/gitweb/?a=blobdiff_plain;f=build-aux%2Fgit-version-gen;h=686f7031a6037445bfcb7b43fb4da3c8240d8575;hb=b81b0bd62d00d3a09f68d96fdfd49d3619761d99;hp=7aa025365d1724c56029aaa680c9de78587af1ca;hpb=1a98f86fef7e1a212f453cfb09439f95f7606099;p=gnulib.git diff --git a/build-aux/git-version-gen b/build-aux/git-version-gen index 7aa025365..686f7031a 100755 --- a/build-aux/git-version-gen +++ b/build-aux/git-version-gen @@ -1,13 +1,13 @@ #!/bin/sh # Print a version string. -scriptversion=2008-04-03.22 +scriptversion=2011-02-19.19; # UTC -# Copyright (C) 2007-2008 Free Software Foundation +# Copyright (C) 2007-2011 Free Software Foundation, Inc. # -# This program is free software; you can redistribute it and/or modify +# This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 3, or (at your option) -# any later version. +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of @@ -15,9 +15,7 @@ scriptversion=2008-04-03.22 # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -# 02110-1301, USA. +# along with this program. If not, see . # This script is derived from GIT-VERSION-GEN from GIT: http://git.or.cz/. # It may be run two ways: @@ -69,36 +67,48 @@ scriptversion=2008-04-03.22 # echo $(VERSION) > $(distdir)/.tarball-version case $# in - 1) ;; - *) echo 1>&2 "Usage: $0 \$srcdir/.tarball-version"; exit 1;; + 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/}" nl=' ' +# Avoid meddling by environment variable of the same name. +v= +v_from_git= + # First see if there is a tarball-only version file. # then try "git describe", then default. if test -f $tarball_version_file then - v=`cat $tarball_version_file` || exit 1 + v=`cat $tarball_version_file` || v= case $v in - *$nl*) v= ;; # reject multi-line output - [0-9]*) ;; - *) v= ;; + *$nl*) v= ;; # reject multi-line output + [0-9]*) ;; + *) v= ;; esac test -z "$v" \ - && echo "$0: WARNING: $tarball_version_file seems to be damaged" 1>&2 + && echo "$0: WARNING: $tarball_version_file is missing or damaged" 1>&2 fi if test -n "$v" then : # use $v -elif test -d .git \ - && v=`git describe --abbrev=4 HEAD 2>/dev/null` \ +# Otherwise, if there is at least one git commit involving the working +# directory, and "git describe" output looks sensible, use that to +# derive a version string. +elif test "`git log -1 --pretty=format:x . 2>&1`" = x \ + && v=`git describe --abbrev=4 --match='v*' HEAD 2>/dev/null \ + || git describe --abbrev=4 HEAD 2>/dev/null` \ + && v=`printf '%s\n' "$v" | sed "$tag_sed_script"` \ && case $v in - v[0-9]*) ;; - *) (exit 1) ;; + v[0-9]*) ;; + *) (exit 1) ;; esac then # Is this a new git that lists number of commits since the last @@ -106,46 +116,57 @@ then # Newer: v6.10-77-g0f8faeb # Older: v6.10-g0f8faeb case $v in - *-*-*) : git describe is okay three part flavor ;; - *-*) - : git describe is older two part flavor - # Recreate the number of commits and rewrite such that the - # result is the same as if we were using the newer version - # of git describe. - vtag=`echo "$v" | sed 's/-.*//'` - numcommits=`git rev-list "$vtag"..HEAD | wc -l` - v=`echo "$v" | sed "s/\(.*\)-\(.*\)/\1-$numcommits-\2/"`; - ;; + *-*-*) : git describe is okay three part flavor ;; + *-*) + : git describe is older two part flavor + # Recreate the number of commits and rewrite such that the + # result is the same as if we were using the newer version + # of git describe. + vtag=`echo "$v" | sed 's/-.*//'` + commit_list=`git rev-list "$vtag"..HEAD 2>/dev/null` \ + || { commit_list=failed; + echo "$0: WARNING: git rev-list failed" 1>&2; } + numcommits=`echo "$commit_list" | wc -l` + v=`echo "$v" | sed "s/\(.*\)-\(.*\)/\1-$numcommits-\2/"`; + test "$commit_list" = failed && v=UNKNOWN + ;; esac # Change the first '-' to a '.', so version-comparing tools work properly. # Remove the "g" in git describe's output string, to save a byte. v=`echo "$v" | sed 's/-/./;s/\(.*\)-g/\1-/'`; + v_from_git=1 else v=UNKNOWN fi v=`echo "$v" |sed 's/^v//'` -# Don't declare a version "dirty" merely because a time stamp has changed. -git status > /dev/null 2>&1 +# Test whether to append the "-dirty" suffix only if the version +# string we're using came from git. I.e., skip the test if it's "UNKNOWN" +# or if it came from .tarball-version. +if test -n "$v_from_git"; then + # Don't declare a version "dirty" merely because a time stamp has changed. + git update-index --refresh > /dev/null 2>&1 -dirty=`sh -c 'git diff-index --name-only HEAD' 2>/dev/null` || dirty= -case "$dirty" in - '') ;; - *) # Append the suffix only if there isn't one already. - case $v in - *-dirty) ;; - *) v="$v-dirty" ;; - esac ;; -esac + dirty=`exec 2>/dev/null;git diff-index --name-only HEAD` || dirty= + case "$dirty" in + '') ;; + *) # Append the suffix only if there isn't one already. + case $v in + *-dirty) ;; + *) v="$v-dirty" ;; + esac ;; + esac +fi # Omit the trailing newline, so that m4_esyscmd can use the result directly. -echo "$v" | tr -d '\012' +echo "$v" | tr -d "$nl" # Local variables: # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" -# time-stamp-end: "$" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" # End: