105 lines
2.6 KiB
Perl
Executable File
105 lines
2.6 KiB
Perl
Executable File
#!/usr/bin/env perl
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#
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# SPDX-License-Identifier: ISC
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#
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# Copyright (c) 2017 Todd C. Miller <Todd.Miller@sudo.ws>
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#
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# Permission to use, copy, modify, and distribute this software for any
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# purpose with or without fee is hereby granted, provided that the above
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# copyright notice and this permission notice appear in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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#
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# Simple script to massage "git log" output into a GNU style ChangeLog.
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# The goal is to emulate "hg log --style=changelog" via perl format.
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use warnings;
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my $format="%ad %aN <%aE>%n%h%n%B%n";
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my @cmd = ("git", "log", "--log-size", "--name-only", "--date=short", "--format=$format", @ARGV);
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open(LOG, '-|', @cmd) || die "$0: unable to run git log: $!";
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my $hash;
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my $body;
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my @files;
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my $key_date = "";
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my $log_size = 0;
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my @lines;
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while (<LOG>) {
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chomp;
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if (/^log size (\d+)$/) {
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$log_size = $1;
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# Print previous entry if there is one
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print_entry($hash, $body, @files) if defined($hash);
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# Init new entry
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undef $hash;
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undef $body;
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undef @files;
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undef @lines;
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# Read entry and split on newlines
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read(LOG, my $buf, $log_size) ||
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die "$0: unable to read $log_size bytes: $!\n";
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@lines = split(/\r?\n/, $buf);
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# Check for continued entry (duplicate Date + Author)
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$_ = shift(@lines);
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if ($_ ne $key_date) {
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# New entry
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print "$_\n\n";
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$key_date = $_;
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}
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# Hash comes first
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$hash = shift(@lines);
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# Commit message body (multi-line)
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foreach (@lines) {
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last if $_ eq "--HG--";
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if (defined($body)) {
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$_ = "\r" if $_ eq "";
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$body .= " $_";
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} else {
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$body = $_;
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}
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}
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} else {
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# Not a log entry, must be the file list
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push(@files, $_) unless $_ eq "";
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}
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}
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# Print the last entry
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print_entry($hash, $body, @files) if defined($hash);
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exit(0);
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sub print_entry
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{
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my $hash = '[' . shift . ']';
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my $body = shift;
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my $files = "* " . join(", ", @_) . ":";
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local $= = 9999; # to silence warning (hack)
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format =
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^<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< ~~
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$files
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^<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< ~~
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$body
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@*
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$hash
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.
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write;
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}
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