diff options
| -rw-r--r-- | Makefile | 85 | ||||
| -rwxr-xr-x | gitlog-to-changelog | 432 |
2 files changed, 512 insertions, 5 deletions
@@ -1,6 +1,6 @@ # # Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2001, 2002, 2004, -# 2006, 2009, 2011, 2012 Free Software Foundation, Inc. +# 2006, 2009, 2011, 2012, 2013 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 @@ -86,11 +86,86 @@ HEAD.tar: FORCE false; } (cd $(top_srcdir)/ && git archive --prefix=$(dist-version)/ HEAD) > $@ -$(dist-version).tar: HEAD.tar $(addsuffix /dist-hook,hurd/.. $(subdirs)) +ChangeLog.tar: gen-ChangeLog + tar -c -f $@ --owner=0 --group=0 \ + --transform='s%^%$(dist-version)/%' $(ChangeLog_files) + +gen_start_commit = 2772f5c6a6a51cf946fd95bf6ffe254273157a21 +ChangeLog_files = \ + ChangeLog \ + auth/ChangeLog \ + benchmarks/ChangeLog \ + boot/ChangeLog \ + config/ChangeLog \ + console-client/ChangeLog \ + console/ChangeLog \ + daemons/ChangeLog \ + defpager/ChangeLog \ + doc/ChangeLog \ + exec/ChangeLog \ + ext2fs/ChangeLog \ + fatfs/ChangeLog \ + fstests/ChangeLog \ + ftpfs/ChangeLog \ + hostmux/ChangeLog \ + hurd/ChangeLog \ + include/ChangeLog \ + init/ChangeLog \ + isofs/ChangeLog \ + libcons/ChangeLog \ + libdirmgt/ChangeLog \ + libdiskfs/ChangeLog \ + libfshelp/ChangeLog \ + libftpconn/ChangeLog \ + libhurdbugaddr/ChangeLog \ + libihash/ChangeLog \ + libiohelp/ChangeLog \ + libnetfs/ChangeLog \ + libpager/ChangeLog \ + libpipe/ChangeLog \ + libports/ChangeLog \ + libps/ChangeLog \ + libshouldbeinlibc/ChangeLog \ + libstore/ChangeLog \ + libthreads/ChangeLog \ + libtrivfs/ChangeLog \ + login/ChangeLog \ + mach-defpager/ChangeLog \ + nfs/ChangeLog \ + nfsd/ChangeLog \ + pfinet/ChangeLog \ + pflocal/ChangeLog \ + proc/ChangeLog \ + release/ChangeLog \ + storeio/ChangeLog \ + sutils/ChangeLog \ + term/ChangeLog \ + tmpfs/ChangeLog \ + trans/ChangeLog \ + usermux/ChangeLog \ + utils/ChangeLog +distdir = . +.PHONY: gen-ChangeLog +gen-ChangeLog: + $(AM_V_GEN)if test -d $(top_srcdir)/.git; then \ + (cd $(top_srcdir)/ && \ + ./gitlog-to-changelog --strip-tab \ + $(gen_start_commit).. && \ + echo) >> $(distdir)/cl-t && \ + for f in $(ChangeLog_files); do \ + (cd $(top_srcdir)/ && \ + git show $(gen_start_commit):$$f) >> $(distdir)/cl-t && \ + rm -f $(distdir)/$$f && \ + mv $(distdir)/cl-t $(distdir)/$$f \ + || exit $$?; \ + done; \ + fi + +$(dist-version).tar: HEAD.tar $(addsuffix /dist-hook,hurd/.. $(subdirs)) ChangeLog.tar tar -c -f $@ --files-from=/dev/null -# Concatenate HEAD.tar and all subdirs' dist.tar that have been created. Have +# Concatenate the tar files. Have # to do it one by one: <http://savannah.gnu.org/patch/?7757>. - for f in HEAD.tar dist.tar */dist.tar; do \ + for f in HEAD.tar dist.tar */dist.tar ChangeLog.tar; do \ tar -v --concatenate -f $@ "$$f"; \ done @@ -145,7 +220,7 @@ FORCE: .PHONY: clean-misc distclean clean-misc: - rm -f HEAD.tar + rm -f HEAD.tar ChangeLog.tar $(ChangeLog_files) distclean: clean rm -f config.make config.log config.status config.cache diff --git a/gitlog-to-changelog b/gitlog-to-changelog new file mode 100755 index 00000000..e02d34c2 --- /dev/null +++ b/gitlog-to-changelog @@ -0,0 +1,432 @@ +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 = '2012-07-29 06:11'; # 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) 2008-2013 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 <http://www.gnu.org/licenses/>. + +# 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 <<EOF; +Usage: $ME [OPTIONS] [ARGS] + +Convert git log output to ChangeLog format. If present, any ARGS +are passed to "git log". To avoid ARGS being parsed as options to +$ME, they may be preceded by '--'. + +OPTIONS: + + --amend=FILE FILE maps from an SHA1 to perl code (i.e., s/old/new/) that + makes a change to SHA1's commit log text or metadata. + --append-dot append a dot to the first line of each commit message if + there is no other punctuation or blank at the end. + --no-cluster never cluster commit messages under the same date/author + header; the default is to cluster adjacent commit messages + if their headers are the same and neither commit message + contains multiple paragraphs. + --srcdir=DIR the root of the source tree, from which the .git/ + directory can be derived. + --since=DATE convert only the logs since DATE; + the default is to convert all log entries. + --format=FMT set format string for commit subject and body; + see 'man git-log' for the list of format metacharacters; + the default is '%s%n%b%n' + --strip-tab remove one additional leading TAB from commit message lines. + --strip-cherry-pick remove data inserted by "git cherry-pick"; + this includes the "cherry picked from commit ..." line, + and the possible final "Conflicts:" paragraph. + --help display this help and exit + --version output version information and exit + +EXAMPLE: + + $ME --since=2008-01-01 > ChangeLog + $ME -- -n 5 foo > last-5-commits-to-branch-foo + +SPECIAL SYNTAX: + +The following types of strings are interpreted specially when they appear +at the beginning of a log message line. They are not copied to the output. + + Copyright-paperwork-exempt: Yes + Append the "(tiny change)" notation to the usual "date name email" + ChangeLog header to mark a change that does not require a copyright + assignment. + Co-authored-by: Joe User <user\@example.com> + List the specified name and email address on a second + ChangeLog header, denoting a co-author. + Signed-off-by: Joe User <user\@example.com> + These lines are simply elided. + +In a FILE specified via --amend, comment lines (starting with "#") are ignored. +FILE must consist of <SHA,CODE+> pairs where SHA is a 40-byte SHA1 (alone on +a line) referring to a commit in the current project, and CODE refers to one +or more consecutive lines of Perl code. Pairs must be separated by one or +more blank line. + +Here is sample input for use with --amend=FILE, from coreutils: + +3a169f4c5d9159283548178668d2fae6fced3030 +# fix typo in title: +s/all tile types/all file types/ + +1379ed974f1fa39b12e2ffab18b3f7a607082202 +# Due to a bug in vc-dwim, I mis-attributed a patch by Paul to myself. +# Change the author to be Paul. Note the escaped "@": +s,Jim .*>,Paul Eggert <eggert\\\@cs.ucla.edu>, + +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 $_} @_); +} + +# Parse file F. +# Comment lines (starting with "#") are ignored. +# F must consist of <SHA,CODE+> pairs where SHA is a 40-byte SHA1 +# (alone on a line) referring to a commit in the current project, and +# CODE refers to one or more consecutive lines of Perl code. +# Pairs must be separated by one or more blank line. +sub parse_amend_file($) +{ + my ($f) = @_; + + open F, '<', $f + or die "$ME: $f: failed to open for reading: $!\n"; + + my $fail; + my $h = {}; + my $in_code = 0; + my $sha; + while (defined (my $line = <F>)) + { + $line =~ /^\#/ + and next; + chomp $line; + $line eq '' + and $in_code = 0, next; + + if (!$in_code) + { + $line =~ /^([0-9a-fA-F]{40})$/ + or (warn "$ME: $f:$.: invalid line; expected an SHA1\n"), + $fail = 1, next; + $sha = lc $1; + $in_code = 1; + exists $h->{$sha} + and (warn "$ME: $f:$.: duplicate SHA1\n"), + $fail = 1, next; + } + else + { + $h->{$sha} ||= ''; + $h->{$sha} .= "$line\n"; + } + } + close F; + + $fail + and exit 1; + + return $h; +} + +# git_dir_option $SRCDIR +# +# From $SRCDIR, the --git-dir option to pass to git (none if $SRCDIR +# is undef). Return as a list (0 or 1 element). +sub git_dir_option($) +{ + my ($srcdir) = @_; + my @res = (); + if (defined $srcdir) + { + my $qdir = shell_quote $srcdir; + my $cmd = "cd $qdir && git rev-parse --show-toplevel"; + my $qcmd = shell_quote $cmd; + my $git_dir = qx($cmd); + defined $git_dir + or die "$ME: cannot run $qcmd: $!\n"; + $? == 0 + or die "$ME: $qcmd had unexpected exit code or signal ($?)\n"; + chomp $git_dir; + push @res, "--git-dir=$git_dir/.git"; + } + @res; +} + +{ + my $since_date; + my $format_string = '%s%n%b%n'; + my $amend_file; + my $append_dot = 0; + my $cluster = 1; + my $strip_tab = 0; + my $strip_cherry_pick = 0; + my $srcdir; + GetOptions + ( + help => sub { usage 0 }, + version => sub { print "$ME version $VERSION\n"; exit }, + 'since=s' => \$since_date, + 'format=s' => \$format_string, + 'amend=s' => \$amend_file, + 'append-dot' => \$append_dot, + 'cluster!' => \$cluster, + 'strip-tab' => \$strip_tab, + 'strip-cherry-pick' => \$strip_cherry_pick, + 'srcdir=s' => \$srcdir, + ) or usage 1; + + defined $since_date + and unshift @ARGV, "--since=$since_date"; + + # This is a hash that maps an SHA1 to perl code (i.e., s/old/new/) + # that makes a correction in the log or attribution of that commit. + my $amend_code = defined $amend_file ? parse_amend_file $amend_file : {}; + + my @cmd = ('git', + git_dir_option $srcdir, + qw(log --log-size), + '--pretty=format:%H:%ct %an <%ae>%n%n'.$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_multi_paragraph; + my $prev_date_line = ''; + my @prev_coauthors = (); + while (1) + { + defined (my $in = <PIPE>) + 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:$.: unexpected EOF\n"; + + # Extract leading hash. + my ($sha, $rest) = split ':', $log, 2; + defined $sha + or die "$ME:$.: malformed log entry\n"; + $sha =~ /^[0-9a-fA-F]{40}$/ + or die "$ME:$.: invalid SHA1: $sha\n"; + + # If this commit's log requires any transformation, do it now. + my $code = $amend_code->{$sha}; + if (defined $code) + { + eval 'use Safe'; + my $s = new Safe; + # Put the unpreprocessed entry into "$_". + $_ = $rest; + + # Let $code operate on it, safely. + my $r = $s->reval("$code") + or die "$ME:$.:$sha: failed to eval \"$code\":\n$@\n"; + + # Note that we've used this entry. + delete $amend_code->{$sha}; + + # Update $rest upon success. + $rest = $_; + } + + # Remove lines inserted by "git cherry-pick". + if ($strip_cherry_pick) + { + $rest =~ s/^\s*Conflicts:\n.*//sm; + $rest =~ s/^\s*\(cherry picked from commit [\da-f]+\)\n//m; + } + + my @line = split "\n", $rest; + 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"; + + # Format 'Copyright-paperwork-exempt: Yes' as a standard ChangeLog + # `(tiny change)' annotation. + my $tiny = (grep (/^Copyright-paperwork-exempt:\s+[Yy]es$/, @line) + ? ' (tiny change)' : ''); + + my $date_line = sprintf "%s %s$tiny\n", + strftime ("%F", localtime ($1)), $2; + + my @coauthors = grep /^Co-authored-by:.*$/, @line; + # Omit meta-data lines we've already interpreted. + @line = grep !/^(?:Signed-off-by:[ ].*>$ + |Co-authored-by:[ ] + |Copyright-paperwork-exempt:[ ] + )/x, @line; + + # Remove leading and trailing blank lines. + if (@line) + { + while ($line[0] =~ /^\s*$/) { shift @line; } + while ($line[$#line] =~ /^\s*$/) { pop @line; } + } + + # Record whether there are two or more paragraphs. + my $multi_paragraph = grep /^\s*$/, @line; + + # Format 'Co-authored-by: A U Thor <email@example.com>' lines in + # standard multi-author ChangeLog format. + for (@coauthors) + { + s/^Co-authored-by:\s*/\t /; + s/\s*</ </; + + /<.*?@.*\..*>/ + or warn "$ME: warning: missing email address for " + . substr ($_, 5) . "\n"; + } + + # If clustering of commit messages has been disabled, if this header + # would be different from the previous date/name/email/coauthors header, + # or if this or the previous entry consists of two or more paragraphs, + # then print the header. + if ( ! $cluster + || $date_line ne $prev_date_line + || "@coauthors" ne "@prev_coauthors" + || $multi_paragraph + || $prev_multi_paragraph) + { + $prev_date_line eq '' + or print "\n"; + print $date_line; + @coauthors + and print join ("\n", @coauthors), "\n"; + } + $prev_date_line = $date_line; + @prev_coauthors = @coauthors; + $prev_multi_paragraph = $multi_paragraph; + + # If there were any lines + if (@line == 0) + { + warn "$ME: warning: empty commit message:\n $date_line\n"; + } + else + { + if ($append_dot) + { + # If the first line of the message has enough room, then + if (length $line[0] < 72) + { + # append a dot if there is no other punctuation or blank + # at the end. + $line[0] =~ /[[:punct:]\s]$/ + or $line[0] .= '.'; + } + } + + # Remove one additional leading TAB from each line. + $strip_tab + and map { s/^\t// } @line; + + # Prefix each non-empty line with a TAB. + @line = map { length $_ ? "\t$_" : '' } @line; + + print "\n", join ("\n", @line), "\n"; + } + + defined ($in = <PIPE>) + 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 + + # Complain about any unused entry in the --amend=F specified file. + my $fail = 0; + foreach my $sha (keys %$amend_code) + { + warn "$ME:$amend_file: unused entry: $sha\n"; + $fail = 1; + } + + exit $fail; +} + +# 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: |