From 2cdf469e54f3d9b21b305c75678577575149162f Mon Sep 17 00:00:00 2001
From: Norbert Preining <preining@logic.at>
Date: Mon, 1 May 2017 19:44:08 +0000
Subject: TLTREE: support git/svn and git directly

git-svn-id: svn://tug.org/texlive/trunk@44137 c570f23f-e606-0410-a88d-b1316a301751
---
 Master/tlpkg/TeXLive/TLTREE.pm | 92 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)

(limited to 'Master/tlpkg/TeXLive')

diff --git a/Master/tlpkg/TeXLive/TLTREE.pm b/Master/tlpkg/TeXLive/TLTREE.pm
index fa734190d27..8676008937d 100644
--- a/Master/tlpkg/TeXLive/TLTREE.pm
+++ b/Master/tlpkg/TeXLive/TLTREE.pm
@@ -72,6 +72,98 @@ sub init_from_files {
   $self->_initialize_lines(@lines);
 }
 
+
+sub init_from_git {
+  my $self = shift;
+  my $svnroot = $self->{'svnroot'};
+  my $retval = $?;
+  my %files;
+  my @lines;
+
+  my @foo = `cd $svnroot; git log --pretty=format:COMMIT=%h --name-only --diff-filter=A`;
+  if ($retval != 0) {
+    $retval /= 256 if $retval > 0;
+    tldie("TLTree: git log in $svnroot returned $retval, stopping.\n");
+  }
+  chomp(@foo);
+
+  my $curcom = "";
+  for my $l (@foo) {
+    if ($l eq "") {
+      $curcom = "";
+      next;
+    } elsif ($l =~ m/^COMMIT=([[:xdigit:]]*)$/) {
+      $curcom = $1;
+      $rev++;
+      next;
+    } else {
+      $files{$l} = $rev;
+    }
+  }
+
+  # now reverse the order
+  for my $f (keys %files) {
+    my $n = - ( $files{$f} - $rev ) + 1;
+    push @lines, "             $n $n dummy $f"
+  }
+  # TODO needs to be made better!
+  $self->{'revision'} = $rev;
+  $self->_initialize_lines(@lines);
+}
+
+sub init_from_gitsvn {
+  my $self = shift;
+  my $svnroot = $self->{'svnroot'};
+  my @foo = `cd $svnroot; git log --pretty=format:%h --name-only --diff-filter=A`;
+  chomp(@foo);
+  my $retval = $?;
+  if ($retval != 0) {
+    $retval /= 256 if $retval > 0;
+    tldie("TLTree: git log in $svnroot returned $retval, stopping.\n");
+  }
+  my %com2rev;
+  my @lines;
+  my $curcom = "";
+  my $currev = "";
+  for my $l (@foo) {
+    if ($l eq "") {
+      $currev = "";
+      $curcom = "";
+      next;
+    }
+    if ($curcom eq "") {
+      # now we should get a commit!
+      # we could also pattern match on 8 hex digits, but that costs time!
+      $curcom = $l;
+      $currev = `git svn find-rev $curcom`;
+      chomp($currev);
+      if (!$currev) {
+        # found a commit without svn rev, try to find it under the parents
+        my $foo = $curcom;
+        my $nr = 0;
+        while (1) {
+          $foo .= "^";
+          $nr++;
+          my $tr = `git svn find-rev $foo`;
+          chomp($tr);
+          if ($tr) {
+            # we add the number of parents to the currev
+            $currev = $tr + $nr;
+            last;
+          }
+        }
+      }
+      $com2rev{$curcom} = $currev;
+    } else {
+      # we got a file name
+      push @lines, "             $currev $currev dummy $l"
+    }
+  }
+  # TODO needs to be made better!
+  $self->{'revision'} = 1;
+  $self->_initialize_lines(@lines);
+}
+
 sub _initialize_lines {
   my $self = shift;
   my @lines = @_;
-- 
cgit v1.2.3