racy-git: an empty blob has a fixed object name

diff --git a/git-cvsimport.perl b/git-cvsimport.perl
index 6d8ff93f5f7bf05f2e94b4e1c522423c8430739c..bdac5d51b6dfb721bb648e455cb8f3c5078217e4 100755 (executable)
--- a/git-cvsimport.perl
+++ b/git-cvsimport.perl
@@ -15,7 +15,7 @@
 
 use strict;
 use warnings;
-use Getopt::Std;
+use Getopt::Long;
 use File::Spec;
 use File::Temp qw(tempfile tmpnam);
 use File::Path qw(mkpath);
@@ -29,7 +29,7 @@
 $SIG{'PIPE'}="IGNORE";
 $ENV{'TZ'}="UTC";
 
-our ($opt_h,$opt_o,$opt_v,$opt_k,$opt_u,$opt_d,$opt_p,$opt_C,$opt_z,$opt_i,$opt_P, $opt_s,$opt_m,$opt_M,$opt_A,$opt_S,$opt_L, $opt_a, $opt_r);
+our ($opt_h,$opt_o,$opt_v,$opt_k,$opt_u,$opt_d,$opt_p,$opt_C,$opt_z,$opt_i,$opt_P, $opt_s,$opt_m,@opt_M,$opt_A,$opt_S,$opt_L, $opt_a, $opt_r);
 my (%conv_author_name, %conv_author_email);
 
 sub usage(;$) {
@@ -88,7 +88,7 @@ ($)
        close ($f);
 }
 
-# convert getopts specs for use by git-repo-config
+# convert getopts specs for use by git config
 sub read_repo_config {
     # Split the string between characters, unless there is a ':'
     # So "abc:de" becomes ["a", "b", "c:", "d", "e"]
@@ -96,7 +96,7 @@ sub read_repo_config {
        foreach my $o (@opts) {
                my $key = $o;
                $key =~ s/://g;
-               my $arg = 'git-repo-config';
+               my $arg = 'git config';
                $arg .= ' --bool' if ($o !~ /:$/);
 
         chomp(my $tmp = `$arg --get cvsimport.$key`);
@@ -112,11 +112,16 @@ sub read_repo_config {
 
 my $opts = "haivmkuo:d:p:r:C:z:s:M:P:A:S:L:";
 read_repo_config($opts);
-getopts($opts) or usage();
+Getopt::Long::Configure( 'no_ignore_case', 'bundling' );
+
+# turn the Getopt::Std specification in a Getopt::Long one,
+# with support for multiple -M options
+GetOptions( map { s/:/=s/; /M/ ? "$_\@" : $_ } split( /(?!:)/, $opts ) )
+    or usage();
 usage if $opt_h;
 
 if (@ARGV == 0) {
-               chomp(my $module = `git-repo-config --get cvsimport.module`);
+               chomp(my $module = `git config --get cvsimport.module`);
                push(@ARGV, $module) if $? == 0;
 }
 @ARGV <= 1 or usage("You can't specify more than one CVS module");
@@ -164,10 +169,10 @@ sub read_repo_config {
 
 our @mergerx = ();
 if ($opt_m) {
-       @mergerx = ( qr/\W(?:from|of|merge|merging|merged) (\w+)/i );
+       @mergerx = ( qr/\b(?:from|of|merge|merging|merged) ([-\w]+)/i );
 }
-if ($opt_M) {
-       push (@mergerx, qr/$opt_M/);
+if (@opt_M) {
+       push (@mergerx, map { qr/$_/ } @opt_M);
 }
 
 # Remember UTC of our starting time
@@ -730,7 +735,7 @@ sub commit {
                next unless $logmsg =~ $rx && $1;
                my $mparent = $1 eq 'HEAD' ? $opt_o : $1;
                if (my $sha1 = get_headref("$remote/$mparent")) {
-                       push @commit_args, '-p', $mparent;
+                       push @commit_args, '-p', "$remote/$mparent";
                        print "Merge parent branch: $mparent\n" if $opt_v;
                }
        }
@@ -767,7 +772,7 @@ sub commit {
        waitpid($pid,0);
        die "Error running git-commit-tree: $?\n" if $?;
 
-       system("git-update-ref $remote/$branch $cid") == 0
+       system('git-update-ref', "$remote/$branch", $cid) == 0
                or die "Cannot write branch $branch for update: $!\n";
 
        if ($tag) {