From 62ddc5fd9836a1adfc0427316104450b7ad0aad0 Mon Sep 17 00:00:00 2001
From: fuzzyray <fuzzyray@gentoo.org>
Date: Mon, 19 Feb 2007 18:07:34 +0000
Subject: [PATCH] Update echangelog to support Subversion and git. Bug #136048

svn path=/; revision=348
---
 trunk/src/echangelog/echangelog | 87 +++++++++++++++++++++++----------
 1 file changed, 61 insertions(+), 26 deletions(-)

diff --git a/trunk/src/echangelog/echangelog b/trunk/src/echangelog/echangelog
index 1867ef6..20e31c8 100644
--- a/trunk/src/echangelog/echangelog
+++ b/trunk/src/echangelog/echangelog
@@ -20,7 +20,42 @@ $Text::Wrap::unexpand = 0;
 
 # Global variables
 my (@files, @ebuilds, @conflicts, @trivial, @unknown, @new_versions, %actions);
-my ($input, $editor, $entry, $user, $date, $text, $version, $year);
+my ($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" },
+		nov => { diff => "",
+			 status => "",
+			 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 {
+    print STDERR "** NOTE: No CVS, .git, .svn directories found, cannot know modifications\n";
+    $vcs = "nov";
+}
 
 # Read the current ChangeLog
 if (-f 'ChangeLog') {
@@ -30,8 +65,8 @@ if (-f 'ChangeLog') {
 } 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";
+        open I, '</usr/portage/skel.ChangeLog' 
+            or die "Can't open /usr/portage/skel.ChangeLog for input: $!\n";
         { local $/ = undef; $text = <I>; }
         close I;
         my ($cwd) = getcwd();
@@ -47,33 +82,34 @@ if (-f 'ChangeLog') {
 }
 
 # Figure out what has changed around here
-open C, 'cvs -fn up 2>&1 |' or die "Can't run cvs -fn up: $!\n";
+open C, $vcs{$vcs}{status}.' 2>&1 |' or die "Can't run ".$vcs{$vcs}{status}.": $!\n";
 while (<C>) {
-    if (/^C (\S+)/) {
+    if (/^C\s+\+?\s+(\S+)/) {
         push @conflicts, $1; 
         next;
-    } elsif (/^\? (\S+)/) {
+    } elsif (/^\?\s+\+?\s+(\S+)/) {
         push @unknown, $1;
         $actions{$1} = '+';
         next;
-    } elsif (/^([ARM]) (\S+)/) {
+    } elsif (/^([ARMD])\s+\+?\s+(\S+)/) {
         push @files, $2;
-        ($actions{$2} = $1) =~ tr/ARM/+-/d;
+        ($actions{$2} = $1) =~ tr/ARDM/+--/d;
     }
 }
 
 # Separate out the trivial files for now
 @files = grep { 
-    !/files.digest|Manifest|ChangeLog/ or do { push @trivial, $_; 0; }
+    !/files.digest|Manifest|ChangeLog|^files$|^\.$/ or do { push @trivial, $_; 0; }
 } @files;
+
 @unknown = grep { 
-    !/files.digest|Manifest|ChangeLog/ or do { push @trivial, $_; 0; }
+    !/files.digest|Manifest|ChangeLog|^files$|^\.$/ or do { push @trivial, $_; 0; }
 } @unknown;
 
 # Don't allow any conflicts
 if (@conflicts) {
     print STDERR <<EOT;
-Cvs reports the following conflicts.  Please resolve them before
+$vcs reports the following conflicts.  Please resolve them before
 running echangelog.
 EOT
     print STDERR map "C $_\n", @conflicts;
@@ -84,7 +120,7 @@ EOT
 # out above)
 if (@unknown) {
     print STDERR <<EOT;
-Cvs reports the following unknown files.  Please use "cvs add" before
+$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;
@@ -177,25 +213,24 @@ sub sortfunc($$) {
 
 # Forget ebuilds that only have changed copyrights, unless that's all
 # the changed files we have
-@ebuilds = grep /\.ebuild$/, @files;
-@files = grep !/\.ebuild$/, @files;
+# does not work with svn TODO
+#@ebuilds = grep /\.ebuild$/, @files;
+#@files = grep !/\.ebuild$/, @files;
+
 if (@ebuilds) {
-    open C, "cvs -f diff -U0 @ebuilds 2>&1 |" or die "Can't run cvs diff: $!\n";
+    open C, $vcs{$vcs}{diff}.@ebuilds." 2>&1 |" or die "Can't run: ".$vcs{$vcs}{diff}."$!\n";
     $_ = <C>;
     while (defined $_) {
-        if (/^cvs diff: (([^\/]*?)\.ebuild) was removed/) { 
+        if (/^$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
-            $_ = <C>;	# ====================================
-            $_ = <C>;	# RCS file: ...
-            $_ = <C>;	# retrieving revision
-            $_ = <C>;	# diff -u ...
-            $_ = <C>;	# --- vim-6.2-r6.ebuild
-            $_ = <C>;	# +++ vim-6.2-r6.ebuild
+	    foreach(1..$vcs{$vcs}{skip}){
+	            $_ = <C>;
+	    }
             while (<C>) {
                 last if /^[A-Za-z]/;
                 if (/^[-+](?!# Copyright)/) {
@@ -207,7 +242,7 @@ if (@ebuilds) {
             # and we have the next line in $_ for processing
             next;
         }
-        elsif (/^cvs.*?: (([^\/]*?)\.ebuild) is a new entry/) { 
+        elsif (/^$vcs.*?: (([^\/]*?)\.ebuild) is a new entry/) { 
             push @files, $1;
             push @new_versions, $2;  # new ebuild, will create a new entry
         }
@@ -334,7 +369,7 @@ 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 $e (grep { /\.ebuild$/ && -e } @files) {
+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>; }
@@ -361,8 +396,8 @@ 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, "CVS/Entries") {
-    system("cvs -f add ChangeLog") unless (scalar grep /^\/ChangeLog\//, <F>);
+if (open F, $vcs{$vcs}{entries} ) {
+    system("$vcs{$vcs}{add} ChangeLog") unless (scalar grep /\/?ChangeLog\/?/, <F>);
 }
 
 # vim:sw=4 ts=8 expandtab
-- 
2.26.2