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-rw-r--r--Documentation/git-cvsimport.txt23
-rwxr-xr-xgit-cvsimport.perl40
2 files changed, 42 insertions, 21 deletions
diff --git a/Documentation/git-cvsimport.txt b/Documentation/git-cvsimport.txt
index 3985e0164b..fdd7ec7edd 100644
--- a/Documentation/git-cvsimport.txt
+++ b/Documentation/git-cvsimport.txt
@@ -13,7 +13,7 @@ SYNOPSIS
[-A <author-conv-file>] [-p <options-for-cvsps>] [-P <file>]
[-C <git_repository>] [-z <fuzz>] [-i] [-k] [-u] [-s <subst>]
[-a] [-m] [-M <regex>] [-S <regex>] [-L <commitlimit>]
- [<CVS_module>]
+ [-r <remote>] [<CVS_module>]
DESCRIPTION
@@ -25,10 +25,12 @@ Splitting the CVS log into patch sets is done by 'cvsps'.
At least version 2.1 is required.
You should *never* do any work of your own on the branches that are
-created by git-cvsimport. The initial import will create and populate a
+created by git-cvsimport. By default initial import will create and populate a
"master" branch from the CVS repository's main branch which you're free
to work with; after that, you need to 'git merge' incremental imports, or
-any CVS branches, yourself.
+any CVS branches, yourself. It is advisable to specify a named remote via
+-r to separate and protect the incoming branches.
+
OPTIONS
-------
@@ -51,10 +53,19 @@ OPTIONS
The git repository to import to. If the directory doesn't
exist, it will be created. Default is the current directory.
+-r <remote>::
+ The git remote to import this CVS repository into.
+ Moves all CVS branches into remotes/<remote>/<branch>
+ akin to the git-clone --use-separate-remote option.
+
-o <branch-for-HEAD>::
- The 'HEAD' branch from CVS is imported to the 'origin' branch within
- the git repository, as 'HEAD' already has a special meaning for git.
- Use this option if you want to import into a different branch.
+ When no remote is specified (via -r) the 'HEAD' branch
+ from CVS is imported to the 'origin' branch within the git
+ repository, as 'HEAD' already has a special meaning for git.
+ When a remote is specified the 'HEAD' branch is named
+ remotes/<remote>/master mirroring git-clone behaviour.
+ Use this option if you want to import into a different
+ branch.
+
Use '-o master' for continuing an import that was initially done by
the old cvs2git tool.
diff --git a/git-cvsimport.perl b/git-cvsimport.perl
index 75d65d414e..433b7fd324 100755
--- a/git-cvsimport.perl
+++ b/git-cvsimport.perl
@@ -29,7 +29,7 @@ use IPC::Open2;
$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, $opt_a);
+our ($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, $opt_r);
my (%conv_author_name, %conv_author_email);
sub usage(;$) {
@@ -40,7 +40,7 @@ Usage: ${\basename $0} # fetch/update GIT from CVS
[-o branch-for-HEAD] [-h] [-v] [-d CVSROOT] [-A author-conv-file]
[-p opts-for-cvsps] [-P file] [-C GIT_repository] [-z fuzz] [-i] [-k]
[-u] [-s subst] [-a] [-m] [-M regex] [-S regex] [-L commitlimit]
- [CVS_module]
+ [-r remote] [CVS_module]
END
exit(1);
}
@@ -114,7 +114,7 @@ sub read_repo_config {
}
}
-my $opts = "haivmkuo:d:p:C:z:s:M:P:A:S:L:";
+my $opts = "haivmkuo:d:p:r:C:z:s:M:P:A:S:L:";
read_repo_config($opts);
getopts($opts) or usage();
usage if $opt_h;
@@ -134,13 +134,21 @@ if ($opt_d) {
} else {
usage("CVSROOT needs to be set");
}
-$opt_o ||= "origin";
$opt_s ||= "-";
$opt_a ||= 0;
my $git_tree = $opt_C;
$git_tree ||= ".";
+my $remote;
+if (defined $opt_r) {
+ $remote = 'refs/remotes/' . $opt_r;
+ $opt_o ||= "master";
+} else {
+ $opt_o ||= "origin";
+ $remote = 'refs/heads';
+}
+
my $cvs_tree;
if ($#ARGV == 0) {
$cvs_tree = $ARGV[0];
@@ -522,7 +530,7 @@ sub get_headref ($$) {
my $name = shift;
my $git_dir = shift;
- my $f = "$git_dir/refs/heads/$name";
+ my $f = "$git_dir/$remote/$name";
if (open(my $fh, $f)) {
chomp(my $r = <$fh>);
is_sha1($r) or die "Cannot get head id for $name ($r): $!";
@@ -573,12 +581,12 @@ unless (-d $git_dir) {
# Get the last import timestamps
my $fmt = '($ref, $author) = (%(refname), %(author));';
- open(H, "git-for-each-ref --perl --format='$fmt' refs/heads |") or
+ open(H, "git-for-each-ref --perl --format='$fmt' $remote |") or
die "Cannot run git-for-each-ref: $!\n";
while (defined(my $entry = <H>)) {
my ($ref, $author);
eval($entry) || die "cannot eval refs list: $@";
- my ($head) = ($ref =~ m|^refs/heads/(.*)|);
+ my ($head) = ($ref =~ m|^$remote/(.*)|);
$author =~ /^.*\s(\d+)\s[-+]\d{4}$/;
$branch_date{$head} = $1;
}
@@ -701,9 +709,9 @@ sub commit {
$index{$branch} = tmpnam();
$ENV{GIT_INDEX_FILE} = $index{$branch};
if ($ancestor) {
- system("git-read-tree", $ancestor);
+ system("git-read-tree", "$remote/$ancestor");
} else {
- system("git-read-tree", $branch);
+ system("git-read-tree", "$remote/$branch");
}
die "read-tree failed: $?\n" if $?;
}
@@ -762,7 +770,7 @@ sub commit {
waitpid($pid,0);
die "Error running git-commit-tree: $?\n" if $?;
- system("git-update-ref refs/heads/$branch $cid") == 0
+ system("git-update-ref $remote/$branch $cid") == 0
or die "Cannot write branch $branch for update: $!\n";
if ($tag) {
@@ -861,12 +869,12 @@ while (<CVS>) {
print STDERR "Branch $branch erroneously stems from itself -- changed ancestor to $opt_o\n";
$ancestor = $opt_o;
}
- if (-f "$git_dir/refs/heads/$branch") {
+ if (-f "$git_dir/$remote/$branch") {
print STDERR "Branch $branch already exists!\n";
$state=11;
next;
}
- unless (open(H,"$git_dir/refs/heads/$ancestor")) {
+ unless (open(H,"$git_dir/$remote/$ancestor")) {
print STDERR "Branch $ancestor does not exist!\n";
$ignorebranch{$branch} = 1;
$state=11;
@@ -874,7 +882,7 @@ while (<CVS>) {
}
chomp(my $id = <H>);
close(H);
- unless (open(H,"> $git_dir/refs/heads/$branch")) {
+ unless (open(H,"> $git_dir/$remote/$branch")) {
print STDERR "Could not create branch $branch: $!\n";
$ignorebranch{$branch} = 1;
$state=11;
@@ -988,14 +996,16 @@ if ($orig_branch) {
die "Fast-forward update failed: $?\n" if $?;
}
else {
- system(qw(git-merge cvsimport HEAD), "refs/heads/$opt_o");
+ system(qw(git-merge cvsimport HEAD), "$remote/$opt_o");
die "Could not merge $opt_o into the current branch.\n" if $?;
}
} else {
$orig_branch = "master";
print "DONE; creating $orig_branch branch\n" if $opt_v;
- system("git-update-ref", "refs/heads/master", "refs/heads/$opt_o")
+ system("git-update-ref", "refs/heads/master", "$remote/$opt_o")
unless -f "$git_dir/refs/heads/master";
+ system("git-symbolic-ref", "$remote/HEAD", "$remote/$opt_o")
+ if ($opt_r && $opt_o ne 'HEAD');
system('git-update-ref', 'HEAD', "$orig_branch");
unless ($opt_i) {
system('git checkout');
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