--- /dev/null
+#!/usr/bin/perl -w
+#
+# echangelog: Update the ChangeLog for an ebuild. For example:
+#
+# $ echangelog 'Add ~alpha to KEYWORDS'
+# 4a5,7
+# > 10 Feb 2003; Aron Griffis <agriffis@gentoo.org> oaf-0.6.8-r1.ebuild :
+# > Add ~alpha to KEYWORDS
+# >
+
+use strict;
+use POSIX qw(strftime getcwd setlocale);
+
+# Fix bug 21022 by restricting to C locale
+setlocale(&POSIX::LC_ALL, "C");
+
+use Text::Wrap;
+$Text::Wrap::columns = 77;
+$Text::Wrap::unexpand = 0;
+
+# Global variables
+my (@files, @ebuilds, @conflicts, @trivial, @unknown, @new_versions, %actions);
+my ($input, $editor, $entry, $user, $date, $text, $version, $year, $vcs);
+
+my %vcs = ( cvs => { diff => "cvs -f -U0 diff",
+ status => "cvs -fn up",
+ add => "cvs -f add",
+ skip => 6,
+ entries => "CVS/Entries" },
+ svn => { diff => "svn diff -N",
+ status => "svn status",
+ add => "svn add",
+ skip => 4,
+ entries => ".svn/entries" },
+ git => { diff => "git diff",
+ status => "git up",
+ add => "git add",
+ skip => 0,
+ entries => "wtf" }
+);
+
+# Figure out what kind of repo we are in.
+
+if ( -d "CVS" ) {
+ $vcs = "cvs";
+} elsif ( -d '.svn' ) {
+ $vcs = "svn";
+} elsif ( -d '.git' ) {
+ $vcs = "git";
+} else {
+ die "No CVS, .git, .svn directories found, what kind of repo is this?";
+}
+
+# Read the current ChangeLog
+if (-f 'ChangeLog') {
+ open I, '<ChangeLog' or die "Can't open ChangeLog for input: $!\n";
+ { local $/ = undef; $text = <I>; }
+ close I;
+} else {
+ # No ChangeLog here, maybe we should make one...
+ if (<*.ebuild>) {
+ open I, '<../../skel.ChangeLog'
+ or die "Can't open ../../skel.ChangeLog for input: $!\n";
+ { local $/ = undef; $text = <I>; }
+ close I;
+ my ($cwd) = getcwd();
+ $cwd =~ m|.*/(\w+-\w+)/([^/]+)|
+ or die "Can't figure out category/package.. sorry!\n";
+ my ($category, $package_name) = ($1, $2);
+ $text =~ s/^\*.*//ms; # don't need the fake entry
+ $text =~ s/<CATEGORY>/$category/;
+ $text =~ s/<PACKAGE_NAME>/$package_name/;
+ } else {
+ die "This should be run in a directory with ebuilds...\n";
+ }
+}
+
+# Figure out what has changed around here
+open C, $vcs{$vcs}{status}.' 2>&1 |' or die "Can't run ".$vcs{$vcs}{status}.": $!\n";
+while (<C>) {
+ if (/^C\s+\+?\s+(\S+)/) {
+ push @conflicts, $1;
+ next;
+ } elsif (/^\?\s+\+?\s+(\S+)/) {
+ push @unknown, $1;
+ $actions{$1} = '+';
+ next;
+ } elsif (/^([ARMD])\s+\+?\s+(\S+)/) {
+ push @files, $2;
+ ($actions{$2} = $1) =~ tr/ARDM/+--/d;
+ }
+}
+
+# Separate out the trivial files for now
+@files = grep {
+ !/files.digest|Manifest|ChangeLog/ or do { push @trivial, $_; 0; }
+} @files;
+
+@unknown = grep {
+ !/files.digest|Manifest|ChangeLog/ or do { push @trivial, $_; 0; }
+} @unknown;
+
+# Don't allow any conflicts
+if (@conflicts) {
+ print STDERR <<EOT;
+$vcs reports the following conflicts. Please resolve them before
+running echangelog.
+EOT
+ print STDERR map "C $_\n", @conflicts;
+ exit 1;
+}
+
+# Don't allow unknown files (other than the trivial files that were separated
+# out above)
+if (@unknown) {
+ print STDERR <<EOT;
+$vcs reports the following unknown files. Please use "cvs add" before
+running echangelog, or remove the files in question.
+EOT
+ print STDERR map "? $_\n", @unknown;
+ exit 1;
+}
+
+# Sort the list of files as portage does. None of the operations through
+# the rest of the script should break this sort.
+sub sortfunc($$) {
+ my ($a, $b) = @_;
+ (my $va = $a) =~ s/.*?-(\d.*?)(?:\.ebuild)?$/$1/;
+ (my $vb = $b) =~ s/.*?-(\d.*?)(?:\.ebuild)?$/$1/;
+ my ($na, $sa, $sna, $ra) = ($va =~ /^(.*?)(?:_(alpha|beta||pre|rc|p)(\d*))?(?:-r(\d+))?$/);
+ my ($nb, $sb, $snb, $rb) = ($vb =~ /^(.*?)(?:_(alpha|beta||pre|rc|p)(\d*))?(?:-r(\d+))?$/);
+ my (@na) = split /\.|(?<=\d)(?=[^\d\.])/, $na;
+ my (@nb) = split /\.|(?<=\d)(?=[^\d\.])/, $nb;
+ my $retval;
+
+ #
+ # compare version numbers first
+ #
+ for (my $i = 0; defined $na[$i] or defined $nb[$i]; $i++) {
+ # def vs. undef
+ return +1 if defined $na[$i] and !defined $nb[$i];
+ return -1 if defined $nb[$i] and !defined $na[$i];
+
+ # num vs. num
+ if ($na[$i] =~ /^\d/ and $nb[$i] =~ /^\d/) {
+ $retval = ($na[$i] <=> $nb[$i]);
+ return $retval if $retval;
+ next;
+ }
+
+ # char vs. char
+ if ($na[$i] =~ /^\D/ and $nb[$i] =~ /^\D/) {
+ $retval = ($na[$i] cmp $nb[$i]);
+ return $retval if $retval;
+ next;
+ }
+
+ # num vs. char
+ $retval = ($na[$i] =~ /\d/ and -1 or +1);
+ return $retval;
+ }
+
+ #
+ # compare suffix second
+ #
+ if (defined $sa and !defined $sb) {
+ return +2 if $sa eq "p";
+ return -2;
+ }
+ if (defined $sb and !defined $sa) {
+ return -3 if $sb eq "p";
+ return +3;
+ }
+
+ if (defined $sa) { # and defined $sb
+ $retval = ($sa cmp $sb);
+ if ($retval) {
+ return +4 if $sa eq "p";
+ return -4 if $sb eq "p";
+ return $retval; # suffixes happen to be alphabetical order, mostly
+ }
+
+ # compare suffix number
+ return +5 if defined $sna and !defined $snb;
+ return -5 if defined $snb and !defined $sna;
+ if (defined $sna) { # and defined $snb
+ $retval = ($sna <=> $snb);
+ return $retval if $retval;
+ }
+ }
+
+ #
+ # compare rev third
+ #
+ return +6 if defined $ra and !defined $rb;
+ return -6 if defined $rb and !defined $ra;
+ if (defined $ra) { # and defined $rb
+ return ($ra <=> $rb);
+ }
+
+ #
+ # nothing left to compare
+ #
+ return 0;
+}
+@files = sort sortfunc @files;
+
+# Forget ebuilds that only have changed copyrights, unless that's all
+# the changed files we have
+
+@ebuilds = grep /\.ebuild$/, @files;
+@files = grep !/\.ebuild$/, @files;
+
+if (@ebuilds) {
+ open C, $vcs{$vcs}{diff}.@ebuilds." 2>&1 |" or die "Can't run: ".$vcs{$vcs}{diff}."$!\n";
+ $_ = <C>;
+ while (defined $_) {
+ if (/^$vcs diff: (([^\/]*?)\.ebuild) was removed/) {
+ push @files, $1;
+ }
+ elsif (/^Index: (([^\/]*?)\.ebuild)\s*$/) {
+ my ($f, $v) = ($1, $2);
+ # check if more than just copyright date changed.
+ # skip some lines
+ foreach(1..$vcs{$vcs}{skip}){
+ $_ = <C>;
+ }
+ while (<C>) {
+ last if /^[A-Za-z]/;
+ if (/^[-+](?!# Copyright)/) {
+ push @files, $f;
+ last;
+ }
+ }
+ # at this point we've either added $f to @files or not,
+ # and we have the next line in $_ for processing
+ next;
+ }
+ elsif (/^$vcs.*?: (([^\/]*?)\.ebuild) is a new entry/) {
+ push @files, $1;
+ push @new_versions, $2; # new ebuild, will create a new entry
+ }
+ # other cvs output is ignored
+ $_ = <C>;
+ }
+}
+close C;
+
+# When a package move occurs, the versions appear to be new even though they are
+# not. Trim them from @new_versions in that case.
+@new_versions = grep { $text !~ /^\*\Q$_\E\s/m } @new_versions;
+
+# Check if we have any files left, otherwise re-insert ebuild list
+# (of course, both might be empty anyway)
+@files = @ebuilds unless (@files);
+
+# Allow ChangeLog entries with no changed files, but give a fat warning
+unless (@files) {
+ print STDERR "**\n";
+ print STDERR "** NOTE: No non-trivial changed files found. Normally echangelog\n";
+ print STDERR "** should be run after all affected files have been added and/or\n";
+ print STDERR "** modified. Did you forget to cvs add?\n";
+ print STDERR "**\n";
+ @files = sort sortfunc @trivial;
+ @files = qw/ChangeLog/ unless @files; # last resort to put something in the list
+}
+
+# Get the input from the cmdline, editor or stdin
+if ($ARGV[0]) {
+ $input = "@ARGV";
+} else {
+ # Testing for defined() allows ECHANGELOG_EDITOR='' to cancel EDITOR
+ $editor = defined($ENV{'ECHANGELOG_EDITOR'}) ? $ENV{'ECHANGELOG_EDITOR'} :
+ $ENV{'EDITOR'} || undef;
+ if ($editor) {
+ system("$editor ChangeLog.new");
+ if ($? != 0) {
+ # This usually happens when the editor got forcefully killed; and
+ # the terminal is probably messed up: so we reset things.
+ system('/usr/bin/stty sane');
+ print STDERR "Editor died! Reverting to stdin method.\n";
+ undef $editor;
+ } else {
+ if (open I, "<ChangeLog.new") {
+ local $/ = undef;
+ $input = <I>;
+ close I;
+ } else {
+ print STDERR "Error opening ChangeLog.new: $!\n";
+ print STDERR "Reverting to stdin method.\n";
+ undef $editor;
+ }
+ unlink 'ChangeLog.new';
+ }
+ }
+ unless ($editor) {
+ print "Please type the log entry: use Ctrl-d to finish, Ctrl-c to abort...\n";
+ local $/ = undef;
+ $input = <>;
+ }
+}
+die "Empty entry; aborting\n" unless $input =~ /\S/;
+
+# If there are any long lines, then wrap the input at $columns chars
+# (leaving 2 chars on left, one char on right, after adding indentation below).
+$input =~ s/^\s*(.*?)\s*\z/$1/s; # trim whitespace
+$input = Text::Wrap::fill('', '', $input) if ($input =~ /^.{80}/m);
+$input =~ s/^/ /gm; # add indentation
+
+# Prepend the user info to the input
+unless ($user = $ENV{'ECHANGELOG_USER'}) {
+ my ($fullname, $username) = (getpwuid($<))[6,0];
+ $fullname =~ s/,.*//; # remove GECOS, bug 80011
+ $user = sprintf "%s <%s\@gentoo.org>", $fullname, $username;
+}
+# Make sure that we didn't get "root"
+die "Please set ECHANGELOG_USER or run as non-root\n" if $user =~ /<root@/;
+$date = strftime("%d %b %Y", gmtime);
+$entry = "$date; $user ";
+$entry .= join ', ', map "$actions{$_}$_", @files;
+$entry .= ':';
+$entry = Text::Wrap::fill(' ', ' ', $entry); # does not append a \n
+$entry .= "\n$input"; # append user input
+
+# Each one of these regular expressions will eat the whitespace
+# leading up to the next entry (except the two-space leader on the
+# front of a dated entry), so it needs to be replaced with a
+# double carriage-return. This helps to normalize the spacing in
+# the ChangeLogs.
+if (@new_versions) {
+ # Insert at the top with a new version marker
+ $text =~ s/^( .*? ) # grab header
+ \s*\n(?=\ \ \d|\*|\z) # suck up trailing whitespace
+ /"$1\n\n" .
+ join("\n", map "*$_ ($date)", reverse @new_versions) .
+ "\n\n$entry\n\n"/sxe
+ or die "Failed to insert new entry (4)\n";
+} else {
+ # Changing an existing patch or ebuild, no new version marker
+ # required
+ $text =~ s/^( .*? ) # grab header
+ \s*\n(?=\ \ \d|\*|\z) # suck up trailing whitespace
+ /$1\n\n$entry\n\n/sx
+ or die "Failed to insert new entry (3)\n";
+}
+
+sub update_copyright {
+ my ($t) = @_;
+ (my $year = $date) =~ s/.* //;
+ $t =~ s/^# Copyright \d+(?= )/$&-$year/m or
+ $t =~ s/^(# Copyright \d+)-(\d+)/$1-$year/m;
+ return $t;
+}
+
+# Update the copyright year in the ChangeLog
+$text = update_copyright($text);
+
+# Write the new ChangeLog
+open O, '>ChangeLog.new' or die "Can't open ChangeLog.new for output: $!\n";
+print O $text or die "Can't write ChangeLog.new: $!\n";
+close O or die "Can't close ChangeLog.new: $!\n";
+
+# Update affected ebuild copyright dates. There is no reason to update the
+# copyright lines on ebuilds that haven't changed. I verified this with an IP
+# lawyer.
+for my $e (grep /\.ebuild$/, @files) {
+ my ($etext, $netext);
+ open E, "<$e" or warn("Can't read $e to update copyright year\n"), next;
+ { local $/ = undef; $etext = <E>; }
+ close E;
+
+ # Attempt the substitution and compare
+ $netext = update_copyright($etext);
+ next if $netext eq $etext; # skip this file if no change.
+
+ # Write the new ebuild
+ open E, ">$e.new" or warn("Can't open $e.new\n"), next;
+ print E $netext and
+ close E or warn("Can't write $e.new\n"), next;
+
+ # Move things around and show the diff
+ system "diff -U 0 $e $e.new";
+ rename "$e.new", $e or warn("Can't rename $e.new: $!\n");
+}
+
+# Move things around and show the ChangeLog diff
+system 'diff -Nu ChangeLog ChangeLog.new';
+rename 'ChangeLog.new', 'ChangeLog' or die "Can't rename ChangeLog.new: $!\n";
+
+# Okay, now we have a starter ChangeLog to work with.
+# The text will be added just like with any other ChangeLog below.
+# Add the new ChangeLog to cvs before continuing.
+if (open F, $vcs{$vcs}{entries} ) {
+ system("$vcs{$vcs}{add} ChangeLog") unless (scalar grep /\/?ChangeLog\/?/, <F>);
+}
+
+# vim:sw=4 ts=8 expandtab
projects / ~andy / sunrise / commitdiff