X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=git-cvsexportcommit.perl;h=7bac16e9463a0d0119218458b853570be6188ff4;hb=0f03ca946142bd656c1af9ff811cb9efbc8314da;hp=5dcb2f9a8ecdf43e73ae31bf8ba7dff27acaa367;hpb=88f0d5d7d95f815d2e8a36a8ceb7459dbd90992c;p=git.git

diff --git a/git-cvsexportcommit.perl b/git-cvsexportcommit.perl
index 5dcb2f9a8..7bac16e94 100755
--- a/git-cvsexportcommit.perl
+++ b/git-cvsexportcommit.perl
@@ -1,10 +1,10 @@
 #!/usr/bin/perl -w
 
 # Known limitations:
-# - cannot add or remove binary files
 # - does not propagate permissions
 # - tells "ready for commit" even when things could not be completed
-#   (eg addition of a binary file)
+#   (not sure this is true anymore, more testing is needed)
+# - does not handle whitespace in pathnames at all.
 
 use strict;
 use Getopt::Std;
@@ -16,9 +16,9 @@ unless ($ENV{GIT_DIR} && -r $ENV{GIT_DIR}){
     die "GIT_DIR is not defined or is unreadable";
 }
 
-our ($opt_h, $opt_p, $opt_v, $opt_c, $opt_f, $opt_m );
+our ($opt_h, $opt_p, $opt_v, $opt_c, $opt_f, $opt_a, $opt_m );
 
-getopts('hpvcfm:');
+getopts('hpvcfam:');
 
 $opt_h && usage();
 
@@ -29,7 +29,6 @@ our ($tmpdir, $tmpdirname) = tempdir('git-cvsapplycommit-XXXXXX',
 				     TMPDIR => 1,
 				     CLEANUP => 1);
 
-print Dumper(@ARGV);
 # resolve target commit
 my $commit;
 $commit = pop @ARGV;
@@ -53,12 +52,32 @@ if (@ARGV) {
 # find parents from the commit itself
 my @commit  = safe_pipe_capture('git-cat-file', 'commit', $commit);
 my @parents;
-foreach my $p (@commit) {
-    if ($p =~ m/^$/) { # end of commit headers, we're done
-	last;
+my $committer;
+my $author;
+my $stage = 'headers'; # headers, msg
+my $title;
+my $msg = '';
+
+foreach my $line (@commit) {
+    chomp $line;
+    if ($stage eq 'headers' && $line eq '') {
+	$stage = 'msg';
+	next;
     }
-    if ($p =~ m/^parent (\w{40})$/) { # found a parent
-	push @parents, $1;
+
+    if ($stage eq 'headers') {
+	if ($line =~ m/^parent (\w{40})$/) { # found a parent
+	    push @parents, $1;
+	} elsif ($line =~ m/^author (.+) \d+ [-+]\d+$/) {
+	    $author = $1;
+	} elsif ($line =~ m/^committer (.+) \d+ [-+]\d+$/) {
+	    $committer = $1;
+	}
+    } else {
+	$msg .= $line . "\n";
+	unless ($title) {
+	    $title = $line;
+	}
     }
 }
 
@@ -84,12 +103,18 @@ $opt_v && print "Applying to CVS commit $commit from parent $parent\n";
 
 # grab the commit message
 open(MSG, ">.msg") or die "Cannot open .msg for writing";
-print MSG $opt_m;
+if ($opt_m) {
+    print MSG $opt_m;
+}
+print MSG $msg;
+if ($opt_a) {
+    print MSG "\n\nAuthor: $author\n";
+    if ($author ne $committer) {
+	print MSG "Committer: $committer\n";
+    }
+}
 close MSG;
 
-`git-cat-file commit $commit | sed -e '1,/^\$/d' >> .msg`;
-$? && die "Error extracting the commit message";
-
 my (@afiles, @dfiles, @mfiles, @dirs);
 my @files = safe_pipe_capture('git-diff-tree', '-r', $parent, $commit);
 #print @files;
@@ -110,10 +135,21 @@ foreach my $f (@files) {
     if ($fields[4] eq 'M') {
 	push @mfiles, $fields[5];
     }
-    if ($fields[4] eq 'R') {
+    if ($fields[4] eq 'D') {
 	push @dfiles, $fields[5];
     }
 }
+my (@binfiles, @abfiles, @dbfiles, @bfiles, @mbfiles);
+@binfiles = grep m/^Binary files/, safe_pipe_capture('git-diff-tree', '-p', $parent, $commit);
+map { chomp } @binfiles;
+@abfiles = grep s/^Binary files \/dev\/null and b\/(.*) differ$/$1/, @binfiles;
+@dbfiles = grep s/^Binary files a\/(.*) and \/dev\/null differ$/$1/, @binfiles;
+@mbfiles = grep s/^Binary files a\/(.*) and b\/(.*) differ$/$1/, @binfiles;
+push @bfiles, @abfiles;
+push @bfiles, @dbfiles;
+push @bfiles, @mbfiles;
+push @mfiles, @mbfiles;
+
 $opt_v && print "The commit affects:\n ";
 $opt_v && print join ("\n ", @afiles,@mfiles,@dfiles) . "\n\n";
 undef @files; # don't need it anymore
@@ -128,6 +164,10 @@ foreach my $d (@dirs) {
 }
 foreach my $f (@afiles) {
     # This should return only one value
+    if ($f =~ m,(.*)/[^/]*$,) {
+	my $p = $1;
+	next if (grep { $_ eq $p } @dirs);
+    }
     my @status = grep(m/^File/,  safe_pipe_capture('cvs', '-q', 'status' ,$f));
     if (@status > 1) { warn 'Strange! cvs status returned more than one line?'};
     if (-d dirname $f and $status[0] !~ m/Status: Unknown$/
@@ -137,6 +177,7 @@ foreach my $f (@afiles) {
 	warn "Status was: $status[0]\n";
     }
 }
+
 foreach my $f (@mfiles, @dfiles) {
     # TODO:we need to handle removed in cvs
     my @status = grep(m/^File/,  safe_pipe_capture('cvs', '-q', 'status' ,$f));
@@ -175,24 +216,31 @@ foreach my $d (@dirs) {
 
 print "'Patching' binary files\n";
 
-my @bfiles = grep(m/^Binary/, safe_pipe_capture('git-diff-tree', '-p', $parent, $commit));
-@bfiles = map { chomp } @bfiles;
 foreach my $f (@bfiles) {
     # check that the file in cvs matches the "old" file
-    # extract the file to $tmpdir and comparre with cmp
-    my $tree = safe_pipe_capture('git-rev-parse', "$parent^{tree}");
-    chomp $tree;
-    my $blob = `git-ls-tree $tree "$f" | cut -f 1 | cut -d ' ' -f 3`;
-    chomp $blob;
-    `git-cat-file blob $blob > $tmpdir/blob`;
-    if (system('cmp', '-s', $f, "$tmpdir/blob")) {
-	warn "Binary file $f in CVS does not match parent.\n";
-	$dirty = 1;
-	next;
+    # extract the file to $tmpdir and compare with cmp
+    if (not(grep { $_ eq $f } @afiles)) {
+        my $tree = safe_pipe_capture('git-rev-parse', "$parent^{tree}");
+	chomp $tree;
+	my $blob = `git-ls-tree $tree "$f" | cut -f 1 | cut -d ' ' -f 3`;
+	chomp $blob;
+        `git-cat-file blob $blob > $tmpdir/blob`;
+        if (system('cmp', '-s', $f, "$tmpdir/blob")) {
+	    warn "Binary file $f in CVS does not match parent.\n";
+	    if (not $opt_f) {
+	        $dirty = 1;
+		next;
+	    }
+        }
+    }
+    if (not(grep { $_ eq $f } @dfiles)) {
+	my $tree = safe_pipe_capture('git-rev-parse', "$commit^{tree}");
+	chomp $tree;
+	my $blob = `git-ls-tree $tree "$f" | cut -f 1 | cut -d ' ' -f 3`;
+	chomp $blob;
+	# replace with the new file
+	`git-cat-file blob $blob > $f`;
     }
-
-    # replace with the new file
-     `git-cat-file blob $blob > $f`;
 
     # TODO: something smart with file modes
 
@@ -206,7 +254,10 @@ if ($dirty) {
 my $fuzz = $opt_p ? 0 : 2;
 
 print "Patching non-binary files\n";
-print `(git-diff-tree -p $parent -p $commit | patch -p1 -F $fuzz ) 2>&1`;
+
+if (scalar(@afiles)+scalar(@dfiles)+scalar(@mfiles) != scalar(@bfiles)) {
+    print `(git-diff-tree -p $parent -p $commit | patch -p1 -F $fuzz ) 2>&1`;
+}
 
 my $dirtypatch = 0;
 if (($? >> 8) == 2) {
@@ -217,7 +268,11 @@ if (($? >> 8) == 2) {
 }
 
 foreach my $f (@afiles) {
-    system('cvs', 'add', $f);
+    if (grep { $_ eq $f } @bfiles) {
+      system('cvs', 'add','-kb',$f);
+    } else {
+      system('cvs', 'add', $f);
+    }
     if ($?) {
 	$dirty = 1;
 	warn "Failed to cvs add $f -- you may need to do it manually";
@@ -233,6 +288,7 @@ foreach my $f (@dfiles) {
 }
 
 print "Commit to CVS\n";
+print "Patch: $title\n";
 my $commitfiles = join(' ', @afiles, @mfiles, @dfiles);
 my $cmd = "cvs commit -F .msg $commitfiles";
 
@@ -273,7 +329,7 @@ sub cleanupcvs {
     }
 }
 
-# An alterative to `command` that allows input to be passed as an array
+# An alternative to `command` that allows input to be passed as an array
 # to work around shell problems with weird characters in arguments
 # if the exec returns non-zero we die
 sub safe_pipe_capture {