105436638acc7c010349a69c3395f1a57c642dc62Ying Wang#!/bin/sh 205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# Print a version string. 305436638acc7c010349a69c3395f1a57c642dc62Ying Wangscriptversion=2012-03-18.17; # UTC 405436638acc7c010349a69c3395f1a57c642dc62Ying Wang 505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# Copyright (C) 2007-2012 Free Software Foundation, Inc. 605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# 705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# This program is free software: you can redistribute it and/or modify 805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# it under the terms of the GNU General Public License as published by 905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# the Free Software Foundation; either version 3 of the License, or 1005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# (at your option) any later version. 1105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# 1205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# This program is distributed in the hope that it will be useful, 1305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# but WITHOUT ANY WARRANTY; without even the implied warranty of 1405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 1505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# GNU General Public License for more details. 1605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# 1705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# You should have received a copy of the GNU General Public License 1805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# along with this program. If not, see <http://www.gnu.org/licenses/>. 1905436638acc7c010349a69c3395f1a57c642dc62Ying Wang 2005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# This script is derived from GIT-VERSION-GEN from GIT: http://git.or.cz/. 2105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# It may be run two ways: 2205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# - from a git repository in which the "git describe" command below 2305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# produces useful output (thus requiring at least one signed tag) 2405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# - from a non-git-repo directory containing a .tarball-version file, which 2505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# presumes this script is invoked like "./git-version-gen .tarball-version". 2605436638acc7c010349a69c3395f1a57c642dc62Ying Wang 2705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# In order to use intra-version strings in your project, you will need two 2805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# separate generated version string files: 2905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# 3005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# .tarball-version - present only in a distribution tarball, and not in 3105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# a checked-out repository. Created with contents that were learned at 3205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# the last time autoconf was run, and used by git-version-gen. Must not 3305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# be present in either $(srcdir) or $(builddir) for git-version-gen to 3405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# give accurate answers during normal development with a checked out tree, 3505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# but must be present in a tarball when there is no version control system. 3605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# Therefore, it cannot be used in any dependencies. GNUmakefile has 3705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# hooks to force a reconfigure at distribution time to get the value 3805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# correct, without penalizing normal development with extra reconfigures. 3905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# 4005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# .version - present in a checked-out repository and in a distribution 4105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# tarball. Usable in dependencies, particularly for files that don't 4205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# want to depend on config.h but do want to track version changes. 4305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# Delete this file prior to any autoconf run where you want to rebuild 4405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# files to pick up a version string change; and leave it stale to 4505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# minimize rebuild time after unrelated changes to configure sources. 4605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# 4705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# As with any generated file in a VC'd directory, you should add 4805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# /.version to .gitignore, so that you don't accidentally commit it. 4905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# .tarball-version is never generated in a VC'd directory, so needn't 5005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# be listed there. 5105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# 5205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# Use the following line in your configure.ac, so that $(VERSION) will 5305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# automatically be up-to-date each time configure is run (and note that 5405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# since configure.ac no longer includes a version string, Makefile rules 5505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# should not depend on configure.ac for version updates). 5605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# 5705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# AC_INIT([GNU project], 5805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# m4_esyscmd([build-aux/git-version-gen .tarball-version]), 5905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# [bug-project@example]) 6005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# 6105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# Then use the following lines in your Makefile.am, so that .version 6205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# will be present for dependencies, and so that .version and 6305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# .tarball-version will exist in distribution tarballs. 6405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# 6505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# EXTRA_DIST = $(top_srcdir)/.version 6605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# BUILT_SOURCES = $(top_srcdir)/.version 6705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# $(top_srcdir)/.version: 6805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# echo $(VERSION) > $@-t && mv $@-t $@ 6905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# dist-hook: 7005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# echo $(VERSION) > $(distdir)/.tarball-version 7105436638acc7c010349a69c3395f1a57c642dc62Ying Wang 7205436638acc7c010349a69c3395f1a57c642dc62Ying Wang 7305436638acc7c010349a69c3395f1a57c642dc62Ying Wangme=$0 7405436638acc7c010349a69c3395f1a57c642dc62Ying Wang 7505436638acc7c010349a69c3395f1a57c642dc62Ying Wangversion="git-version-gen $scriptversion 7605436638acc7c010349a69c3395f1a57c642dc62Ying Wang 7705436638acc7c010349a69c3395f1a57c642dc62Ying WangCopyright 2011 Free Software Foundation, Inc. 7805436638acc7c010349a69c3395f1a57c642dc62Ying WangThere is NO warranty. You may redistribute this software 7905436638acc7c010349a69c3395f1a57c642dc62Ying Wangunder the terms of the GNU General Public License. 8005436638acc7c010349a69c3395f1a57c642dc62Ying WangFor more information about these matters, see the files named COPYING." 8105436638acc7c010349a69c3395f1a57c642dc62Ying Wang 8205436638acc7c010349a69c3395f1a57c642dc62Ying Wangusage="\ 8305436638acc7c010349a69c3395f1a57c642dc62Ying WangUsage: $me [OPTION]... \$srcdir/.tarball-version [TAG-NORMALIZATION-SED-SCRIPT] 8405436638acc7c010349a69c3395f1a57c642dc62Ying WangPrint a version string. 8505436638acc7c010349a69c3395f1a57c642dc62Ying Wang 8605436638acc7c010349a69c3395f1a57c642dc62Ying WangOptions: 8705436638acc7c010349a69c3395f1a57c642dc62Ying Wang 8805436638acc7c010349a69c3395f1a57c642dc62Ying Wang --prefix prefix of git tags (default 'v') 8905436638acc7c010349a69c3395f1a57c642dc62Ying Wang 9005436638acc7c010349a69c3395f1a57c642dc62Ying Wang --help display this help and exit 9105436638acc7c010349a69c3395f1a57c642dc62Ying Wang --version output version information and exit 9205436638acc7c010349a69c3395f1a57c642dc62Ying Wang 9305436638acc7c010349a69c3395f1a57c642dc62Ying WangRunning without arguments will suffice in most cases." 9405436638acc7c010349a69c3395f1a57c642dc62Ying Wang 9505436638acc7c010349a69c3395f1a57c642dc62Ying Wangprefix=v 9605436638acc7c010349a69c3395f1a57c642dc62Ying Wang 9705436638acc7c010349a69c3395f1a57c642dc62Ying Wangwhile test $# -gt 0; do 9805436638acc7c010349a69c3395f1a57c642dc62Ying Wang case $1 in 9905436638acc7c010349a69c3395f1a57c642dc62Ying Wang --help) echo "$usage"; exit 0;; 10005436638acc7c010349a69c3395f1a57c642dc62Ying Wang --version) echo "$version"; exit 0;; 10105436638acc7c010349a69c3395f1a57c642dc62Ying Wang --prefix) shift; prefix="$1";; 10205436638acc7c010349a69c3395f1a57c642dc62Ying Wang -*) 10305436638acc7c010349a69c3395f1a57c642dc62Ying Wang echo "$0: Unknown option '$1'." >&2 10405436638acc7c010349a69c3395f1a57c642dc62Ying Wang echo "$0: Try '--help' for more information." >&2 10505436638acc7c010349a69c3395f1a57c642dc62Ying Wang exit 1;; 10605436638acc7c010349a69c3395f1a57c642dc62Ying Wang *) 10705436638acc7c010349a69c3395f1a57c642dc62Ying Wang if test -z "$tarball_version_file"; then 10805436638acc7c010349a69c3395f1a57c642dc62Ying Wang tarball_version_file="$1" 10905436638acc7c010349a69c3395f1a57c642dc62Ying Wang elif test -z "$tag_sed_script"; then 11005436638acc7c010349a69c3395f1a57c642dc62Ying Wang tag_sed_script="$1" 11105436638acc7c010349a69c3395f1a57c642dc62Ying Wang else 11205436638acc7c010349a69c3395f1a57c642dc62Ying Wang echo "$0: extra non-option argument '$1'." >&2 11305436638acc7c010349a69c3395f1a57c642dc62Ying Wang exit 1 11405436638acc7c010349a69c3395f1a57c642dc62Ying Wang fi;; 11505436638acc7c010349a69c3395f1a57c642dc62Ying Wang esac 11605436638acc7c010349a69c3395f1a57c642dc62Ying Wang shift 11705436638acc7c010349a69c3395f1a57c642dc62Ying Wangdone 11805436638acc7c010349a69c3395f1a57c642dc62Ying Wang 11905436638acc7c010349a69c3395f1a57c642dc62Ying Wangif test -z "$tarball_version_file"; then 12005436638acc7c010349a69c3395f1a57c642dc62Ying Wang echo "$usage" 12105436638acc7c010349a69c3395f1a57c642dc62Ying Wang exit 1 12205436638acc7c010349a69c3395f1a57c642dc62Ying Wangfi 12305436638acc7c010349a69c3395f1a57c642dc62Ying Wang 12405436638acc7c010349a69c3395f1a57c642dc62Ying Wangtag_sed_script="${tag_sed_script:-s/x/x/}" 12505436638acc7c010349a69c3395f1a57c642dc62Ying Wang 12605436638acc7c010349a69c3395f1a57c642dc62Ying Wangnl=' 12705436638acc7c010349a69c3395f1a57c642dc62Ying Wang' 12805436638acc7c010349a69c3395f1a57c642dc62Ying Wang 12905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# Avoid meddling by environment variable of the same name. 13005436638acc7c010349a69c3395f1a57c642dc62Ying Wangv= 13105436638acc7c010349a69c3395f1a57c642dc62Ying Wangv_from_git= 13205436638acc7c010349a69c3395f1a57c642dc62Ying Wang 13305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# First see if there is a tarball-only version file. 13405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# then try "git describe", then default. 13505436638acc7c010349a69c3395f1a57c642dc62Ying Wangif test -f $tarball_version_file 13605436638acc7c010349a69c3395f1a57c642dc62Ying Wangthen 13705436638acc7c010349a69c3395f1a57c642dc62Ying Wang v=`cat $tarball_version_file` || v= 13805436638acc7c010349a69c3395f1a57c642dc62Ying Wang case $v in 13905436638acc7c010349a69c3395f1a57c642dc62Ying Wang *$nl*) v= ;; # reject multi-line output 14005436638acc7c010349a69c3395f1a57c642dc62Ying Wang [0-9]*) ;; 14105436638acc7c010349a69c3395f1a57c642dc62Ying Wang *) v= ;; 14205436638acc7c010349a69c3395f1a57c642dc62Ying Wang esac 14305436638acc7c010349a69c3395f1a57c642dc62Ying Wang test -z "$v" \ 14405436638acc7c010349a69c3395f1a57c642dc62Ying Wang && echo "$0: WARNING: $tarball_version_file is missing or damaged" 1>&2 14505436638acc7c010349a69c3395f1a57c642dc62Ying Wangfi 14605436638acc7c010349a69c3395f1a57c642dc62Ying Wang 14705436638acc7c010349a69c3395f1a57c642dc62Ying Wangif test -n "$v" 14805436638acc7c010349a69c3395f1a57c642dc62Ying Wangthen 14905436638acc7c010349a69c3395f1a57c642dc62Ying Wang : # use $v 15005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# Otherwise, if there is at least one git commit involving the working 15105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# directory, and "git describe" output looks sensible, use that to 15205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# derive a version string. 15305436638acc7c010349a69c3395f1a57c642dc62Ying Wangelif test "`git log -1 --pretty=format:x . 2>&1`" = x \ 15405436638acc7c010349a69c3395f1a57c642dc62Ying Wang && v=`git describe --abbrev=4 --match="$prefix*" HEAD 2>/dev/null \ 15505436638acc7c010349a69c3395f1a57c642dc62Ying Wang || git describe --abbrev=4 HEAD 2>/dev/null` \ 15605436638acc7c010349a69c3395f1a57c642dc62Ying Wang && v=`printf '%s\n' "$v" | sed "$tag_sed_script"` \ 15705436638acc7c010349a69c3395f1a57c642dc62Ying Wang && case $v in 15805436638acc7c010349a69c3395f1a57c642dc62Ying Wang $prefix[0-9]*) ;; 15905436638acc7c010349a69c3395f1a57c642dc62Ying Wang *) (exit 1) ;; 16005436638acc7c010349a69c3395f1a57c642dc62Ying Wang esac 16105436638acc7c010349a69c3395f1a57c642dc62Ying Wangthen 16205436638acc7c010349a69c3395f1a57c642dc62Ying Wang # Is this a new git that lists number of commits since the last 16305436638acc7c010349a69c3395f1a57c642dc62Ying Wang # tag or the previous older version that did not? 16405436638acc7c010349a69c3395f1a57c642dc62Ying Wang # Newer: v6.10-77-g0f8faeb 16505436638acc7c010349a69c3395f1a57c642dc62Ying Wang # Older: v6.10-g0f8faeb 16605436638acc7c010349a69c3395f1a57c642dc62Ying Wang case $v in 16705436638acc7c010349a69c3395f1a57c642dc62Ying Wang *-*-*) : git describe is okay three part flavor ;; 16805436638acc7c010349a69c3395f1a57c642dc62Ying Wang *-*) 16905436638acc7c010349a69c3395f1a57c642dc62Ying Wang : git describe is older two part flavor 17005436638acc7c010349a69c3395f1a57c642dc62Ying Wang # Recreate the number of commits and rewrite such that the 17105436638acc7c010349a69c3395f1a57c642dc62Ying Wang # result is the same as if we were using the newer version 17205436638acc7c010349a69c3395f1a57c642dc62Ying Wang # of git describe. 17305436638acc7c010349a69c3395f1a57c642dc62Ying Wang vtag=`echo "$v" | sed 's/-.*//'` 17405436638acc7c010349a69c3395f1a57c642dc62Ying Wang commit_list=`git rev-list "$vtag"..HEAD 2>/dev/null` \ 17505436638acc7c010349a69c3395f1a57c642dc62Ying Wang || { commit_list=failed; 17605436638acc7c010349a69c3395f1a57c642dc62Ying Wang echo "$0: WARNING: git rev-list failed" 1>&2; } 17705436638acc7c010349a69c3395f1a57c642dc62Ying Wang numcommits=`echo "$commit_list" | wc -l` 17805436638acc7c010349a69c3395f1a57c642dc62Ying Wang v=`echo "$v" | sed "s/\(.*\)-\(.*\)/\1-$numcommits-\2/"`; 17905436638acc7c010349a69c3395f1a57c642dc62Ying Wang test "$commit_list" = failed && v=UNKNOWN 18005436638acc7c010349a69c3395f1a57c642dc62Ying Wang ;; 18105436638acc7c010349a69c3395f1a57c642dc62Ying Wang esac 18205436638acc7c010349a69c3395f1a57c642dc62Ying Wang 18305436638acc7c010349a69c3395f1a57c642dc62Ying Wang # Change the first '-' to a '.', so version-comparing tools work properly. 18405436638acc7c010349a69c3395f1a57c642dc62Ying Wang # Remove the "g" in git describe's output string, to save a byte. 18505436638acc7c010349a69c3395f1a57c642dc62Ying Wang v=`echo "$v" | sed 's/-/./;s/\(.*\)-g/\1-/'`; 18605436638acc7c010349a69c3395f1a57c642dc62Ying Wang v_from_git=1 18705436638acc7c010349a69c3395f1a57c642dc62Ying Wangelse 18805436638acc7c010349a69c3395f1a57c642dc62Ying Wang v=UNKNOWN 18905436638acc7c010349a69c3395f1a57c642dc62Ying Wangfi 19005436638acc7c010349a69c3395f1a57c642dc62Ying Wang 19105436638acc7c010349a69c3395f1a57c642dc62Ying Wangv=`echo "$v" |sed "s/^$prefix//"` 19205436638acc7c010349a69c3395f1a57c642dc62Ying Wang 19305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# Test whether to append the "-dirty" suffix only if the version 19405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# string we're using came from git. I.e., skip the test if it's "UNKNOWN" 19505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# or if it came from .tarball-version. 19605436638acc7c010349a69c3395f1a57c642dc62Ying Wangif test -n "$v_from_git"; then 19705436638acc7c010349a69c3395f1a57c642dc62Ying Wang # Don't declare a version "dirty" merely because a time stamp has changed. 19805436638acc7c010349a69c3395f1a57c642dc62Ying Wang git update-index --refresh > /dev/null 2>&1 19905436638acc7c010349a69c3395f1a57c642dc62Ying Wang 20005436638acc7c010349a69c3395f1a57c642dc62Ying Wang dirty=`exec 2>/dev/null;git diff-index --name-only HEAD` || dirty= 20105436638acc7c010349a69c3395f1a57c642dc62Ying Wang case "$dirty" in 20205436638acc7c010349a69c3395f1a57c642dc62Ying Wang '') ;; 20305436638acc7c010349a69c3395f1a57c642dc62Ying Wang *) # Append the suffix only if there isn't one already. 20405436638acc7c010349a69c3395f1a57c642dc62Ying Wang case $v in 20505436638acc7c010349a69c3395f1a57c642dc62Ying Wang *-dirty) ;; 20605436638acc7c010349a69c3395f1a57c642dc62Ying Wang *) v="$v-dirty" ;; 20705436638acc7c010349a69c3395f1a57c642dc62Ying Wang esac ;; 20805436638acc7c010349a69c3395f1a57c642dc62Ying Wang esac 20905436638acc7c010349a69c3395f1a57c642dc62Ying Wangfi 21005436638acc7c010349a69c3395f1a57c642dc62Ying Wang 21105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# Omit the trailing newline, so that m4_esyscmd can use the result directly. 21205436638acc7c010349a69c3395f1a57c642dc62Ying Wangecho "$v" | tr -d "$nl" 21305436638acc7c010349a69c3395f1a57c642dc62Ying Wang 21405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# Local variables: 21505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# eval: (add-hook 'write-file-hooks 'time-stamp) 21605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# time-stamp-start: "scriptversion=" 21705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# time-stamp-format: "%:y-%02m-%02d.%02H" 21805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# time-stamp-time-zone: "UTC" 21905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# time-stamp-end: "; # UTC" 22005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# End: 221