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-rwxr-xr-xgit-cvsexportcommit.perl58
1 files changed, 42 insertions, 16 deletions
diff --git a/git-cvsexportcommit.perl b/git-cvsexportcommit.perl
index d1051d074b..99b3dc392a 100755
--- a/git-cvsexportcommit.perl
+++ b/git-cvsexportcommit.perl
@@ -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;
@@ -53,25 +52,45 @@ 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 = $line;
+ }
}
}
if ($parent) {
+ my $found;
# double check that it's a valid parent
foreach my $p (@parents) {
- my $found;
if ($p eq $parent) {
$found = 1;
last;
}; # found it
- die "Did not find $parent in the parents for this commit!";
}
+ die "Did not find $parent in the parents for this commit!" if !$found;
} else { # we don't have a parent from the cmdline...
if (@parents == 1) { # it's safe to get it from the commit
$parent = $parents[0];
@@ -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;
@@ -179,7 +204,7 @@ my @bfiles = grep(m/^Binary/, safe_pipe_capture('git-diff-tree', '-p', $parent,
@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
+ # extract the file to $tmpdir and compare 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`;
@@ -233,6 +258,7 @@ 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 +299,7 @@ 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 {