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authorEric Wong <e@80x24.org>2016-10-14 00:27:54 (GMT)
committerEric Wong <e@80x24.org>2016-10-14 01:36:12 (GMT)
commit112423eb905cf28c9445781a7647ba590d597ab3 (patch)
treec2e79f4e9c7c80dfe758a13317f18860c34d0606 /perl
parentb26098fc2f76131f4258d800e0892e87f9138331 (diff)
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git-svn: "git worktree" awareness
git-svn internals were previously not aware of repository layout differences for users of the "git worktree" command. Introduce this awareness by using "git rev-parse --git-path" instead of relying on outdated uses of GIT_DIR and friends. Thanks-to: Duy Nguyen <pclouds@gmail.com> Reported-by: Mathieu Arnold <mat@freebsd.org> Signed-off-by: Eric Wong <e@80x24.org>
Diffstat (limited to 'perl')
-rw-r--r--perl/Git/SVN.pm24
-rw-r--r--perl/Git/SVN/Migration.pm37
2 files changed, 37 insertions, 24 deletions
diff --git a/perl/Git/SVN.pm b/perl/Git/SVN.pm
index 018beb8..499e84b 100644
--- a/perl/Git/SVN.pm
+++ b/perl/Git/SVN.pm
@@ -807,10 +807,15 @@ sub get_fetch_range {
(++$min, $max);
}
+sub svn_dir {
+ command_oneline(qw(rev-parse --git-path svn));
+}
+
sub tmp_config {
my (@args) = @_;
- my $old_def_config = "$ENV{GIT_DIR}/svn/config";
- my $config = "$ENV{GIT_DIR}/svn/.metadata";
+ my $svn_dir = svn_dir();
+ my $old_def_config = "$svn_dir/config";
+ my $config = "$svn_dir/.metadata";
if (! -f $config && -f $old_def_config) {
rename $old_def_config, $config or
die "Failed rename $old_def_config => $config: $!\n";
@@ -1671,7 +1676,7 @@ sub tie_for_persistent_memoization {
return if $memoized;
$memoized = 1;
- my $cache_path = "$ENV{GIT_DIR}/svn/.caches/";
+ my $cache_path = svn_dir() . '/.caches/';
mkpath([$cache_path]) unless -d $cache_path;
my %lookup_svn_merge_cache;
@@ -1712,7 +1717,7 @@ sub tie_for_persistent_memoization {
sub clear_memoized_mergeinfo_caches {
die "Only call this method in non-memoized context" if ($memoized);
- my $cache_path = "$ENV{GIT_DIR}/svn/.caches/";
+ my $cache_path = svn_dir() . '/.caches/';
return unless -d $cache_path;
for my $cache_file (("$cache_path/lookup_svn_merge",
@@ -2446,12 +2451,13 @@ sub _new {
"refs/remotes/$prefix$default_ref_id";
}
$_[1] = $repo_id;
- my $dir = "$ENV{GIT_DIR}/svn/$ref_id";
+ my $svn_dir = svn_dir();
+ my $dir = "$svn_dir/$ref_id";
- # Older repos imported by us used $GIT_DIR/svn/foo instead of
- # $GIT_DIR/svn/refs/remotes/foo when tracking refs/remotes/foo
+ # Older repos imported by us used $svn_dir/foo instead of
+ # $svn_dir/refs/remotes/foo when tracking refs/remotes/foo
if ($ref_id =~ m{^refs/remotes/(.+)}) {
- my $old_dir = "$ENV{GIT_DIR}/svn/$1";
+ my $old_dir = "$svn_dir/$1";
if (-d $old_dir && ! -d $dir) {
$dir = $old_dir;
}
@@ -2461,7 +2467,7 @@ sub _new {
mkpath([$dir]);
my $obj = bless {
ref_id => $ref_id, dir => $dir, index => "$dir/index",
- config => "$ENV{GIT_DIR}/svn/config",
+ config => "$svn_dir/config",
map_root => "$dir/.rev_map", repo_id => $repo_id }, $class;
# Ensure it gets canonicalized
diff --git a/perl/Git/SVN/Migration.pm b/perl/Git/SVN/Migration.pm
index cf6ffa7..dc90f6a 100644
--- a/perl/Git/SVN/Migration.pm
+++ b/perl/Git/SVN/Migration.pm
@@ -44,7 +44,9 @@ use Git qw(
command_noisy
command_output_pipe
command_close_pipe
+ command_oneline
);
+use Git::SVN;
sub migrate_from_v0 {
my $git_dir = $ENV{GIT_DIR};
@@ -55,7 +57,9 @@ sub migrate_from_v0 {
chomp;
my ($id, $orig_ref) = ($_, $_);
next unless $id =~ s#^refs/heads/(.+)-HEAD$#$1#;
- next unless -f "$git_dir/$id/info/url";
+ my $info_url = command_oneline(qw(rev-parse --git-path),
+ "$id/info/url");
+ next unless -f $info_url;
my $new_ref = "refs/remotes/$id";
if (::verify_ref("$new_ref^0")) {
print STDERR "W: $orig_ref is probably an old ",
@@ -82,7 +86,7 @@ sub migrate_from_v1 {
my $git_dir = $ENV{GIT_DIR};
my $migrated = 0;
return $migrated unless -d $git_dir;
- my $svn_dir = "$git_dir/svn";
+ my $svn_dir = Git::SVN::svn_dir();
# just in case somebody used 'svn' as their $id at some point...
return $migrated if -d $svn_dir && ! -f "$svn_dir/info/url";
@@ -97,27 +101,28 @@ sub migrate_from_v1 {
my $x = $_;
next unless $x =~ s#^refs/remotes/##;
chomp $x;
- next unless -f "$git_dir/$x/info/url";
- my $u = eval { ::file_to_s("$git_dir/$x/info/url") };
+ my $info_url = command_oneline(qw(rev-parse --git-path),
+ "$x/info/url");
+ next unless -f $info_url;
+ my $u = eval { ::file_to_s($info_url) };
next unless $u;
- my $dn = dirname("$git_dir/svn/$x");
+ my $dn = dirname("$svn_dir/$x");
mkpath([$dn]) unless -d $dn;
if ($x eq 'svn') { # they used 'svn' as GIT_SVN_ID:
- mkpath(["$git_dir/svn/svn"]);
+ mkpath(["$svn_dir/svn"]);
print STDERR " - $git_dir/$x/info => ",
- "$git_dir/svn/$x/info\n";
- rename "$git_dir/$x/info", "$git_dir/svn/$x/info" or
+ "$svn_dir/$x/info\n";
+ rename "$git_dir/$x/info", "$svn_dir/$x/info" or
croak "$!: $x";
# don't worry too much about these, they probably
# don't exist with repos this old (save for index,
# and we can easily regenerate that)
foreach my $f (qw/unhandled.log index .rev_db/) {
- rename "$git_dir/$x/$f", "$git_dir/svn/$x/$f";
+ rename "$git_dir/$x/$f", "$svn_dir/$x/$f";
}
} else {
- print STDERR " - $git_dir/$x => $git_dir/svn/$x\n";
- rename "$git_dir/$x", "$git_dir/svn/$x" or
- croak "$!: $x";
+ print STDERR " - $git_dir/$x => $svn_dir/$x\n";
+ rename "$git_dir/$x", "$svn_dir/$x" or croak "$!: $x";
}
$migrated++;
}
@@ -139,9 +144,10 @@ sub read_old_urls {
push @dir, $_;
}
}
+ my $svn_dir = Git::SVN::svn_dir();
foreach (@dir) {
my $x = $_;
- $x =~ s!^\Q$ENV{GIT_DIR}\E/svn/!!o;
+ $x =~ s!^\Q$svn_dir\E/!!o;
read_old_urls($l_map, $x, $_);
}
}
@@ -150,7 +156,7 @@ sub migrate_from_v2 {
my @cfg = command(qw/config -l/);
return if grep /^svn-remote\..+\.url=/, @cfg;
my %l_map;
- read_old_urls(\%l_map, '', "$ENV{GIT_DIR}/svn");
+ read_old_urls(\%l_map, '', Git::SVN::svn_dir());
my $migrated = 0;
require Git::SVN;
@@ -239,7 +245,8 @@ sub minimize_connections {
}
}
if (@emptied) {
- my $file = $ENV{GIT_CONFIG} || "$ENV{GIT_DIR}/config";
+ my $file = $ENV{GIT_CONFIG} ||
+ command_oneline(qw(rev-parse --git-path config));
print STDERR <<EOF;
The following [svn-remote] sections in your config file ($file) are empty
and can be safely removed: