X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=git-cvsimport-script;h=dffd134e63b2f37fb59631d2884afaa13a7625d3;hb=a92bebe6978edaea2885a627e7bef6f7f8b208c2;hp=0d205c55aa60a65e1157d3cf508c0835bde1c272;hpb=465416694a98a8f071abf6290c9a2a48d9789a98;p=git.git

diff --git a/git-cvsimport-script b/git-cvsimport-script
index 0d205c55..dffd134e 100755
--- a/git-cvsimport-script
+++ b/git-cvsimport-script
@@ -26,34 +26,53 @@ use POSIX qw(strftime dup2);
 $SIG{'PIPE'}="IGNORE";
 $ENV{'TZ'}="UTC";
 
-our($opt_h,$opt_o,$opt_v,$opt_d);
+our($opt_h,$opt_o,$opt_v,$opt_d,$opt_p,$opt_C);
 
 sub usage() {
 	print STDERR <<END;
 Usage: ${\basename $0}     # fetch/update GIT from CVS
 	   [ -o branch-for-HEAD ] [ -h ] [ -v ] [ -d CVSROOT ]
-       CVS_module [ GIT_repository ]
+       [ -p opts-for-cvsps ] [ -C GIT_repository ]
+       [ CVS_module ]
 END
 	exit(1);
 }
 
-getopts("hqvo:d:") or usage();
+getopts("hqvo:d:p:C:") or usage();
 usage if $opt_h;
 
-@ARGV == 1 or @ARGV == 2 or usage();
-
-my($cvs_tree, $git_tree) = @ARGV;
+@ARGV <= 1 or usage();
 
 if($opt_d) {
 	$ENV{"CVSROOT"} = $opt_d;
+} elsif(-f 'CVS/Root') {
+	open my $f, '<', 'CVS/Root' or die 'Failed to open CVS/Root';
+	$opt_d = <$f>;
+	chomp $opt_d;
+	close $f;
+	$ENV{"CVSROOT"} = $opt_d;
 } elsif($ENV{"CVSROOT"}) {
 	$opt_d = $ENV{"CVSROOT"};
 } else {
 	die "CVSROOT needs to be set";
 }
 $opt_o ||= "origin";
+my $git_tree = $opt_C;
 $git_tree ||= ".";
 
+my $cvs_tree;
+if ($#ARGV == 0) {
+	$cvs_tree = $ARGV[0];
+} elsif (-f 'CVS/Repository') {
+	open my $f, '<', 'CVS/Repository' or 
+	    die 'Failed to open CVS/Repository';
+	$cvs_tree = <$f>;
+	chomp $cvs_tree;
+	close $f
+} else {
+	usage();
+}
+
 select(STDERR); $|=1; select(STDOUT);
 
 
@@ -182,7 +201,7 @@ sub _file {
 	$self->{'socketo'}->write("Argument $self->{'subdir'}/$fn\n") or return undef;
 	$self->{'socketo'}->write("Directory .\n") or return undef;
 	$self->{'socketo'}->write("$self->{'repo'}\n") or return undef;
-	$self->{'socketo'}->write("Sticky T1.1\n") or return undef;
+	# $self->{'socketo'}->write("Sticky T1.0\n") or return undef;
 	$self->{'socketo'}->write("co\n") or return undef;
 	$self->{'socketo'}->flush() or return undef;
 	$self->{'lines'} = 0;
@@ -338,6 +357,11 @@ unless(-d $git_dir) {
 	$last_branch = $opt_o;
 	$orig_branch = "";
 } else {
+	-f "$git_dir/refs/head/$opt_o"
+		or die "Branch '$opt_o' does not exist.\n".
+		       "Either use the correct '-o branch' option,\n".
+		       "or import to a new repository.\n";
+
 	$last_branch = basename(readlink("$git_dir/HEAD"));
 	unless($last_branch) {
 		warn "Cannot read the last branch name: $! -- assuming 'master'\n";
@@ -370,7 +394,9 @@ unless(-d $git_dir) {
 my $pid = open(CVS,"-|");
 die "Cannot fork: $!\n" unless defined $pid;
 unless($pid) {
-	exec("cvsps","-A","--cvs-direct",$cvs_tree);
+	my @opt;
+	@opt = split(/,/,$opt_p) if defined $opt_p;
+	exec("cvsps",@opt,"-x","-A","--cvs-direct",'--root',$opt_d,$cvs_tree);
 	die "Could not start cvsps: $!\n";
 }
 
@@ -397,10 +423,28 @@ my($patchset,$date,$author,$branch,$ancestor,$tag,$logmsg);
 my(@old,@new);
 my $commit = sub {
 	my $pid;
-	system("git-update-cache","--force-remove","--",@old) if @old;
-	die "Cannot remove files: $?\n" if $?;
-	system("git-update-cache","--add","--",@new) if @new;
-	die "Cannot add files: $?\n" if $?;
+	while(@old) {
+		my @o2;
+		if(@old > 55) {
+			@o2 = splice(@old,0,50);
+		} else {
+			@o2 = @old;
+			@old = ();
+		}
+		system("git-update-cache","--force-remove","--",@o2);
+		die "Cannot remove files: $?\n" if $?;
+	}
+	while(@new) {
+		my @n2;
+		if(@new > 55) {
+			@n2 = splice(@new,0,50);
+		} else {
+			@n2 = @new;
+			@new = ();
+		}
+		system("git-update-cache","--add","--",@n2);
+		die "Cannot add files: $?\n" if $?;
+	}
 
 	$pid = open(C,"-|");
 	die "Cannot fork: $!" unless defined $pid;
@@ -450,7 +494,12 @@ my $commit = sub {
 	}
 	$pw->writer();
 	$pr->reader();
-	print $pw $logmsg
+
+	# compatibility with git2cvs
+	substr($logmsg,32767) = "" if length($logmsg) > 32767;
+	$logmsg =~ s/[\s\n]+\z//;
+
+	print $pw "$logmsg\n"
 		or die "Error writing to git-commit-tree: $!\n";
 	$pw->close();
 
@@ -480,9 +529,6 @@ my $commit = sub {
 			or die "Cannot write tag $branch: $!\n";
 		print "Created tag '$tag' on '$branch'\n" if $opt_v;
 	}
-
-	@old = ();
-	@new = ();
 };
 
 while(<CVS>) {
@@ -514,7 +560,7 @@ while(<CVS>) {
 	} elsif($state == 5 and s/^Ancestor branch:\s+//) {
 		s/\s+$//;
 		$ancestor = $_;
-		$ancestor = $opt_o if $ancestor == "HEAD";
+		$ancestor = $opt_o if $ancestor eq "HEAD";
 		$state = 6;
 	} elsif($state == 5) {
 		$ancestor = undef;