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git svn: Support multiple branch and tag paths in the svn repository.

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This enables git-svn.perl to read multiple 'branches' and 'tags' entries in
svn-remote config sections.  The init and clone subcommands also support
multiple --branches and --tags arguments.

The branch (and tag) subcommand gets a new argument: --destination (or -d).
This argument is required if there are multiple branches (or tags) entries
configured for the remote Subversion repository.  The argument's value
specifies which branch (or tag) path to use to create the branch (or tag).
The specified value must match the left side (without wildcards) of one of
the branches (or tags) refspecs in the svn-remote's config.

[ew: avoided explicit loop when combining globs with "push"]

Signed-off-by: Marc Branchaud <marcnarc@xiplink.com>
Acked-by: Eric Wong <normalperson@yhbt.net>
This commit is contained in:
Marc Branchaud
2009-06-23 13:02:08 -04:00
committed by Eric Wong
parent 195643f2fc
commit 6224406914
2 changed files with 170 additions and 22 deletions
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78
git-svn.perl
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@ -63,7 +63,7 @@ my ($SVN);
$sha1 = qr/[a-f\d]{40}/;
$sha1_short = qr/[a-f\d]{4,40}/;
my ($_stdin, $_help, $_edit,
$_message, $_file,
$_message, $_file, $_branch_dest,
$_template, $_shared,
$_version, $_fetch_all, $_no_rebase, $_fetch_parent,
$_merge, $_strategy, $_dry_run, $_local,
@ -92,11 +92,11 @@ my %fc_opts = ( 'follow-parent|follow!' => \$Git::SVN::_follow_parent,
'localtime' => \$Git::SVN::_localtime,
%remote_opts );
my ($_trunk, $_tags, $_branches, $_stdlayout);
my ($_trunk, @_tags, @_branches, $_stdlayout);
my %icv;
my %init_opts = ( 'template=s' => \$_template, 'shared:s' => \$_shared,
'trunk|T=s' => \$_trunk, 'tags|t=s' => \$_tags,
'branches|b=s' => \$_branches, 'prefix=s' => \$_prefix,
'trunk|T=s' => \$_trunk, 'tags|t=s@' => \@_tags,
'branches|b=s@' => \@_branches, 'prefix=s' => \$_prefix,
'stdlayout|s' => \$_stdlayout,
'minimize-url|m' => \$Git::SVN::_minimize_url,
'no-metadata' => sub { $icv{noMetadata} = 1 },
@ -141,11 +141,13 @@ my %cmd = (
branch => [ \&cmd_branch,
'Create a branch in the SVN repository',
{ 'message|m=s' => \$_message,
'destination|d=s' => \$_branch_dest,
'dry-run|n' => \$_dry_run,
'tag|t' => \$_tag } ],
tag => [ sub { $_tag = 1; cmd_branch(@_) },
'Create a tag in the SVN repository',
{ 'message|m=s' => \$_message,
'destination|d=s' => \$_branch_dest,
'dry-run|n' => \$_dry_run } ],
'set-tree' => [ \&cmd_set_tree,
"Set an SVN repository to a git tree-ish",
@ -365,7 +367,7 @@ sub init_subdir {
sub cmd_clone {
my ($url, $path) = @_;
if (!defined $path &&
(defined $_trunk || defined $_branches || defined $_tags ||
(defined $_trunk || @_branches || @_tags ||
defined $_stdlayout) &&
$url !~ m#^[a-z\+]+://#) {
$path = $url;
@ -379,10 +381,10 @@ sub cmd_clone {
sub cmd_init {
if (defined $_stdlayout) {
$_trunk = 'trunk' if (!defined $_trunk);
$_tags = 'tags' if (!defined $_tags);
$_branches = 'branches' if (!defined $_branches);
@_tags = 'tags' if (! @_tags);
@_branches = 'branches' if (! @_branches);
}
if (defined $_trunk || defined $_branches || defined $_tags) {
if (defined $_trunk || @_branches || @_tags) {
return cmd_multi_init(@_);
}
my $url = shift or die "SVN repository location required ",
@ -630,7 +632,31 @@ sub cmd_branch {
my ($src, $rev, undef, $gs) = working_head_info($head);
my $remote = Git::SVN::read_all_remotes()->{$gs->{repo_id}};
my $glob = $remote->{ $_tag ? 'tags' : 'branches' };
my $allglobs = $remote->{ $_tag ? 'tags' : 'branches' };
my $glob;
if ($#{$allglobs} == 0) {
$glob = $allglobs->[0];
} else {
unless(defined $_branch_dest) {
die "Multiple ",
$_tag ? "tag" : "branch",
" paths defined for Subversion repository.\n",
"You must specify where you want to create the ",
$_tag ? "tag" : "branch",
" with the --destination argument.\n";
}
foreach my $g (@{$allglobs}) {
if ($_branch_dest eq $g->{path}->{left}) {
$glob = $g;
last;
}
}
unless (defined $glob) {
die "Unknown ",
$_tag ? "tag" : "branch",
" destination $_branch_dest\n";
}
}
my ($lft, $rgt) = @{ $glob->{path} }{qw/left right/};
my $dst = join '/', $remote->{url}, $lft, $branch_name, ($rgt || ());
@ -837,7 +863,7 @@ sub cmd_proplist {
sub cmd_multi_init {
my $url = shift;
unless (defined $_trunk || defined $_branches || defined $_tags) {
unless (defined $_trunk || @_branches || @_tags) {
usage(1);
}
@ -862,10 +888,14 @@ sub cmd_multi_init {
undef, $trunk_ref);
}
}
return unless defined $_branches || defined $_tags;
return unless @_branches || @_tags;
my $ra = $url ? Git::SVN::Ra->new($url) : undef;
complete_url_ls_init($ra, $_branches, '--branches/-b', $_prefix);
complete_url_ls_init($ra, $_tags, '--tags/-t', $_prefix . 'tags/');
foreach my $path (@_branches) {
complete_url_ls_init($ra, $path, '--branches/-b', $_prefix);
}
foreach my $path (@_tags) {
complete_url_ls_init($ra, $path, '--tags/-t', $_prefix.'tags/');
}
}
sub cmd_multi_fetch {
@ -1150,6 +1180,7 @@ sub complete_url_ls_init {
die "--prefix='$pfx' must have a trailing slash '/'\n";
}
command_noisy('config',
'--add',
"svn-remote.$gs->{repo_id}.$n",
"$remote_path:refs/remotes/$pfx*" .
('/*' x (($remote_path =~ tr/*/*/) - 1)) );
@ -1616,7 +1647,8 @@ sub fetch_all {
# read the max revs for wildcard expansion (branches/*, tags/*)
foreach my $t (qw/branches tags/) {
defined $remote->{$t} or next;
push @globs, $remote->{$t};
push @globs, @{$remote->{$t}};
my $max_rev = eval { tmp_config(qw/--int --get/,
"svn-remote.$repo_id.${t}-maxRev") };
if (defined $max_rev && ($max_rev < $base)) {
@ -1663,15 +1695,16 @@ sub read_all_remotes {
} elsif (m!^(.+)\.(branches|tags)=
(.*):refs/remotes/(.+)\s*$/!x) {
my ($p, $g) = ($3, $4);
my $rs = $r->{$1}->{$2} = {
t => $2,
remote => $1,
path => Git::SVN::GlobSpec->new($p),
ref => Git::SVN::GlobSpec->new($g) };
my $rs = {
t => $2,
remote => $1,
path => Git::SVN::GlobSpec->new($p),
ref => Git::SVN::GlobSpec->new($g) };
if (length($rs->{ref}->{right}) != 0) {
die "The '*' glob character must be the last ",
"character of '$g'\n";
}
push @{ $r->{$1}->{$2} }, $rs;
}
}
@ -1811,9 +1844,10 @@ sub find_by_url { # repos_root and, path are optional
next if defined $repos_root && $repos_root ne $u;
my $fetch = $remotes->{$repo_id}->{fetch} || {};
foreach (qw/branches tags/) {
resolve_local_globs($u, $fetch,
$remotes->{$repo_id}->{$_});
foreach my $t (qw/branches tags/) {
foreach my $globspec (@{$remotes->{$repo_id}->{$t}}) {
resolve_local_globs($u, $fetch, $globspec);
}
}
my $p = $path;
my $rwr = rewrite_root({repo_id => $repo_id});