From 761ce024066a5825bf372dbdb5e728b210d9b28c Mon Sep 17 00:00:00 2001 From: Alon Levy Date: Tue, 16 Oct 2012 14:45:07 +0200 Subject: add git-version-gen and gitlog-to-changelog --- build-aux/git-version-gen | 158 ++++++++++++++++++++++++++++++++++ build-aux/gitlog-to-changelog | 191 ++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 349 insertions(+) create mode 100755 build-aux/git-version-gen create mode 100755 build-aux/gitlog-to-changelog (limited to 'build-aux') diff --git a/build-aux/git-version-gen b/build-aux/git-version-gen new file mode 100755 index 00000000..5617eb8d --- /dev/null +++ b/build-aux/git-version-gen @@ -0,0 +1,158 @@ +#!/bin/sh +# Print a version string. +scriptversion=2010-06-14.19; # UTC + +# Copyright (C) 2007-2010 Free Software Foundation, Inc. +# +# 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 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 +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# 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, see . + +# This script is derived from GIT-VERSION-GEN from GIT: http://git.or.cz/. +# It may be run two ways: +# - from a git repository in which the "git describe" command below +# produces useful output (thus requiring at least one signed tag) +# - from a non-git-repo directory containing a .tarball-version file, which +# presumes this script is invoked like "./git-version-gen .tarball-version". + +# In order to use intra-version strings in your project, you will need two +# separate generated version string files: +# +# .tarball-version - present only in a distribution tarball, and not in +# a checked-out repository. Created with contents that were learned at +# the last time autoconf was run, and used by git-version-gen. Must not +# be present in either $(srcdir) or $(builddir) for git-version-gen to +# give accurate answers during normal development with a checked out tree, +# but must be present in a tarball when there is no version control system. +# Therefore, it cannot be used in any dependencies. GNUmakefile has +# hooks to force a reconfigure at distribution time to get the value +# correct, without penalizing normal development with extra reconfigures. +# +# .version - present in a checked-out repository and in a distribution +# tarball. Usable in dependencies, particularly for files that don't +# want to depend on config.h but do want to track version changes. +# Delete this file prior to any autoconf run where you want to rebuild +# files to pick up a version string change; and leave it stale to +# minimize rebuild time after unrelated changes to configure sources. +# +# It is probably wise to add these two files to .gitignore, so that you +# don't accidentally commit either generated file. +# +# Use the following line in your configure.ac, so that $(VERSION) will +# automatically be up-to-date each time configure is run (and note that +# since configure.ac no longer includes a version string, Makefile rules +# should not depend on configure.ac for version updates). +# +# AC_INIT([GNU project], +# m4_esyscmd([build-aux/git-version-gen .tarball-version]), +# [bug-project@example]) +# +# Then use the following lines in your Makefile.am, so that .version +# will be present for dependencies, and so that .tarball-version will +# exist in distribution tarballs. +# +# BUILT_SOURCES = $(top_srcdir)/.version +# $(top_srcdir)/.version: +# echo $(VERSION) > $@-t && mv $@-t $@ +# 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/}" +nl=' +' + +# Avoid meddling by environment variable of the same name. +v= + +# 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 + case $v in + *$nl*) v= ;; # reject multi-line output + [0-9]*) ;; + *) v= ;; + esac + test -z "$v" \ + && echo "$0: WARNING: $tarball_version_file seems to be damaged" 1>&2 +fi + +if test -n "$v" +then + : # use $v +elif test -d .git \ + && v=`git describe --abbrev=4 --match='v*' HEAD 2>/dev/null \ + || git describe --abbrev=4 HEAD 2>/dev/null` \ + && v=`printf '%s\n' "$v" | sed "$tag_sed_script"` \ + && case $v in + v[0-9]*) ;; + *) (exit 1) ;; + esac +then + # Is this a new git that lists number of commits since the last + # tag or the previous older version that did not? + # 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-$numcommits-\2/"`; + ;; + esac + + # Change the first '-' to a '.', so version-comparing tools work properly. + # Remove the "g" in git describe's output string, to save a byte. + v=`echo "$v" | sed 's/-/./;s/\(.*\)-g/\1-/'`; +else + v=UNKNOWN +fi + +v=`echo "$v" |sed 's/^v//'` + +# Don't declare a version "dirty" merely because a time stamp has changed. +git update-index --refresh > /dev/null 2>&1 + +dirty=`sh -c 'git diff-index --name-only HEAD' 2>/dev/null` || dirty= +case "$dirty" in + '') ;; + *) # Append the suffix only if there isn't one already. + case $v in + *-dirty) ;; + *) v="$v-dirty" ;; + esac ;; +esac + +# Omit the trailing newline, so that m4_esyscmd can use the result directly. +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-time-zone: "UTC" +# time-stamp-end: "; # UTC" +# End: diff --git a/build-aux/gitlog-to-changelog b/build-aux/gitlog-to-changelog new file mode 100755 index 00000000..45597041 --- /dev/null +++ b/build-aux/gitlog-to-changelog @@ -0,0 +1,191 @@ +eval '(exit $?0)' && eval 'exec perl -wS "$0" ${1+"$@"}' + & eval 'exec perl -wS "$0" $argv:q' + if 0; +# Convert git log output to ChangeLog format. + +my $VERSION = '2009-10-30 13:46'; # UTC +# The definition above must lie within the first 8 lines in order +# for the Emacs time-stamp write hook (at end) to update it. +# If you change this file with Emacs, please let the write hook +# do its job. Otherwise, update this string manually. + +# Copyright (C) 2008-2011 Free Software Foundation, Inc. + +# 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 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 +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# 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, see . + +# Written by Jim Meyering + +use strict; +use warnings; +use Getopt::Long; +use POSIX qw(strftime); + +(my $ME = $0) =~ s|.*/||; + +# use File::Coda; # http://meyering.net/code/Coda/ +END { + defined fileno STDOUT or return; + close STDOUT and return; + warn "$ME: failed to close standard output: $!\n"; + $? ||= 1; +} + +sub usage ($) +{ + my ($exit_code) = @_; + my $STREAM = ($exit_code == 0 ? *STDOUT : *STDERR); + if ($exit_code != 0) + { + print $STREAM "Try `$ME --help' for more information.\n"; + } + else + { + print $STREAM < ChangeLog + $ME -- -n 5 foo > last-5-commits-to-branch-foo + +EOF + } + exit $exit_code; +} + +# If the string $S is a well-behaved file name, simply return it. +# If it contains white space, quotes, etc., quote it, and return the new string. +sub shell_quote($) +{ + my ($s) = @_; + if ($s =~ m![^\w+/.,-]!) + { + # Convert each single quote to '\'' + $s =~ s/\'/\'\\\'\'/g; + # Then single quote the string. + $s = "'$s'"; + } + return $s; +} + +sub quoted_cmd(@) +{ + return join (' ', map {shell_quote $_} @_); +} + +{ + my $since_date = '1970-01-01 UTC'; + my $format_string = '%s%n%b%n'; + GetOptions + ( + help => sub { usage 0 }, + version => sub { print "$ME version $VERSION\n"; exit }, + 'since=s' => \$since_date, + 'format=s' => \$format_string, + ) or usage 1; + + my @cmd = (qw (git log --log-size), "--since=$since_date", + '--pretty=format:%ct %an <%ae>%n%n'.$format_string, @ARGV); + open PIPE, '-|', @cmd + or die ("$ME: failed to run `". quoted_cmd (@cmd) ."': $!\n" + . "(Is your Git too old? Version 1.5.1 or later is required.)\n"); + + my $prev_date_line = ''; + while (1) + { + defined (my $in = ) + or last; + $in =~ /^log size (\d+)$/ + or die "$ME:$.: Invalid line (expected log size):\n$in"; + my $log_nbytes = $1; + + my $log; + my $n_read = read PIPE, $log, $log_nbytes; + $n_read == $log_nbytes + or die "$ME:$.: unexpected EOF\n"; + + my @line = split "\n", $log; + my $author_line = shift @line; + defined $author_line + or die "$ME:$.: unexpected EOF\n"; + $author_line =~ /^(\d+) (.*>)$/ + or die "$ME:$.: Invalid line " + . "(expected date/author/email):\n$author_line\n"; + + my $date_line = sprintf "%s $2\n", strftime ("%F", localtime ($1)); + # If this line would be the same as the previous date/name/email + # line, then arrange not to print it. + if ($date_line ne $prev_date_line) + { + $prev_date_line eq '' + or print "\n"; + print $date_line; + } + $prev_date_line = $date_line; + + # Omit "Signed-off-by..." lines. + @line = grep !/^Signed-off-by: .*>$/, @line; + + # If there were any lines + if (@line == 0) + { + warn "$ME: warning: empty commit message:\n $date_line\n"; + } + else + { + # Remove leading and trailing blank lines. + while ($line[0] =~ /^\s*$/) { shift @line; } + while ($line[$#line] =~ /^\s*$/) { pop @line; } + + # Prefix each non-empty line with a TAB. + @line = map { length $_ ? "\t$_" : '' } @line; + + print "\n", join ("\n", @line), "\n"; + } + + defined ($in = ) + or last; + $in ne "\n" + and die "$ME:$.: unexpected line:\n$in"; + } + + close PIPE + or die "$ME: error closing pipe from " . quoted_cmd (@cmd) . "\n"; + # FIXME-someday: include $PROCESS_STATUS in the diagnostic +} + +# Local Variables: +# mode: perl +# indent-tabs-mode: nil +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "my $VERSION = '" +# time-stamp-format: "%:y-%02m-%02d %02H:%02M" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "'; # UTC" +# End: -- cgit