Documentation: fix typos and spelling in replace documentation
[gitweb.git] / git-svn.perl
index ab65d688fe3f180adaff0264be06ae1e010f8229..ab0a8dd0990ac030db046efdcdae74978a2d8c46 100755 (executable)
@@ -168,6 +168,9 @@ BEGIN
                             'Create a .gitignore per svn:ignore',
                             { 'revision|r=i' => \$_revision
                             } ],
+       'mkdirs' => [ \&cmd_mkdirs ,
+                     "recreate empty directories after a checkout",
+                     { 'revision|r=i' => \$_revision } ],
         'propget' => [ \&cmd_propget,
                       'Print the value of a property on a file or directory',
                       { 'revision|r=i' => \$_revision } ],
@@ -274,7 +277,7 @@ BEGIN
 
 my %opts = %{$cmd{$cmd}->[2]} if (defined $cmd);
 
-read_repo_config(\%opts);
+read_git_config(\%opts);
 if ($cmd && ($cmd eq 'log' || $cmd eq 'blame')) {
        Getopt::Long::Configure('pass_through');
 }
@@ -769,6 +772,7 @@ sub cmd_rebase {
                $_fetch_all ? $gs->fetch_all : $gs->fetch;
        }
        command_noisy(rebase_cmd(), $gs->refname);
+       $gs->mkemptydirs;
 }
 
 sub cmd_show_ignore {
@@ -830,6 +834,12 @@ sub cmd_create_ignore {
        });
 }
 
+sub cmd_mkdirs {
+       my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
+       $gs ||= Git::SVN->new;
+       $gs->mkemptydirs($_revision);
+}
+
 sub canonicalize_path {
        my ($path) = @_;
        my $dot_slash_added = 0;
@@ -1196,6 +1206,7 @@ sub post_fetch_checkout {
        command_noisy(qw/read-tree -m -u -v HEAD HEAD/);
        print STDERR "Checked out HEAD:\n  ",
                     $gs->full_url, " r", $gs->last_rev, "\n";
+       $gs->mkemptydirs($gs->last_rev);
 }
 
 sub complete_svn_url {
@@ -1390,8 +1401,7 @@ sub load_authors {
 }
 
 # convert GetOpt::Long specs for use by git-config
-sub read_repo_config {
-       return unless -d $ENV{GIT_DIR};
+sub read_git_config {
        my $opts = shift;
        my @config_only;
        foreach my $o (keys %$opts) {
@@ -1765,7 +1775,7 @@ sub read_all_remotes {
        my $use_svm_props = eval { command_oneline(qw/config --bool
            svn.useSvmProps/) };
        $use_svm_props = $use_svm_props eq 'true' if $use_svm_props;
-       my $svn_refspec = qr{\s*/?(.*?)\s*:\s*(.+?)\s*};
+       my $svn_refspec = qr{\s*(.*?)\s*:\s*(.+?)\s*};
        foreach (grep { s/^svn-remote\.// } command(qw/config -l/)) {
                if (m!^(.+)\.fetch=$svn_refspec$!) {
                        my ($remote, $local_ref, $remote_ref) = ($1, $2, $3);
@@ -1979,7 +1989,7 @@ sub find_ref {
        my ($ref_id) = @_;
        foreach (command(qw/config -l/)) {
                next unless m!^svn-remote\.(.+)\.fetch=
-                             \s*/?(.*?)\s*:\s*(.+?)\s*$!x;
+                             \s*(.*?)\s*:\s*(.+?)\s*$!x;
                my ($repo_id, $path, $ref) = ($1, $2, $3);
                if ($ref eq $ref_id) {
                        $path = '' if ($path =~ m#^\./?#);
@@ -2633,7 +2643,8 @@ sub find_parent_branch {
        my $url = $self->ra->{url};
        my $new_url = $url . $branch_from;
        print STDERR  "Found possible branch point: ",
-                     "$new_url => ", $self->full_url, ", $r\n";
+                     "$new_url => ", $self->full_url, ", $r\n"
+                     unless $::_q > 1;
        $branch_from =~ s#^/##;
        my $gs = $self->other_gs($new_url, $url,
                                 $branch_from, $r, $self->{ref_id});
@@ -2654,11 +2665,13 @@ sub find_parent_branch {
                ($r0, $parent) = $gs->find_rev_before($r, 1);
        }
        if (defined $r0 && defined $parent) {
-               print STDERR "Found branch parent: ($self->{ref_id}) $parent\n";
+               print STDERR "Found branch parent: ($self->{ref_id}) $parent\n"
+                            unless $::_q > 1;
                my $ed;
                if ($self->ra->can_do_switch) {
                        $self->assert_index_clean($parent);
-                       print STDERR "Following parent with do_switch\n";
+                       print STDERR "Following parent with do_switch\n"
+                                    unless $::_q > 1;
                        # do_switch works with svn/trunk >= r22312, but that
                        # is not included with SVN 1.4.3 (the latest version
                        # at the moment), so we can't rely on it
@@ -2673,18 +2686,20 @@ sub find_parent_branch {
                        print STDERR "Trees match:\n",
                                     "  $new_url\@$r0\n",
                                     "  ${\$self->full_url}\@$rev\n",
-                                    "Following parent with no changes\n";
+                                    "Following parent with no changes\n"
+                                    unless $::_q > 1;
                        $self->tmp_index_do(sub {
                            command_noisy('read-tree', $parent);
                        });
                        $self->{last_commit} = $parent;
                } else {
-                       print STDERR "Following parent with do_update\n";
+                       print STDERR "Following parent with do_update\n"
+                                    unless $::_q > 1;
                        $ed = SVN::Git::Fetcher->new($self);
                        $self->ra->gs_do_update($rev, $rev, $self, $ed)
                          or die "SVN connection failed somewhere...\n";
                }
-               print STDERR "Successfully followed parent\n";
+               print STDERR "Successfully followed parent\n" unless $::_q > 1;
                return $self->make_log_entry($rev, [$parent], $ed);
        }
        return undef;
@@ -2720,6 +2735,34 @@ sub do_fetch {
        $self->make_log_entry($rev, \@parents, $ed);
 }
 
+sub mkemptydirs {
+       my ($self, $r) = @_;
+       my %empty_dirs = ();
+
+       open my $fh, '<', "$self->{dir}/unhandled.log" or return;
+       binmode $fh or croak "binmode: $!";
+       while (<$fh>) {
+               if (defined $r && /^r(\d+)$/) {
+                       last if $1 > $r;
+               } elsif (/^  \+empty_dir: (.+)$/) {
+                       $empty_dirs{$1} = 1;
+               } elsif (/^  \-empty_dir: (.+)$/) {
+                       delete $empty_dirs{$1};
+               }
+       }
+       close $fh;
+       foreach my $d (sort keys %empty_dirs) {
+               $d = uri_decode($d);
+               next if -d $d;
+               if (-e _) {
+                       warn "$d exists but is not a directory\n";
+               } else {
+                       print "creating empty directory: $d\n";
+                       mkpath([$d]);
+               }
+       }
+}
+
 sub get_untracked {
        my ($self, $ed) = @_;
        my @out;
@@ -2829,7 +2872,7 @@ sub other_gs {
                $ref_id .= "\@$r";
                # just grow a tail if we're not unique enough :x
                $ref_id .= '-' while find_ref($ref_id);
-               print STDERR "Initializing parent: $ref_id\n";
+               print STDERR "Initializing parent: $ref_id\n" unless $::_q > 1;
                my ($u, $p, $repo_id) = ($new_url, '', $ref_id);
                if ($u =~ s#^\Q$url\E(/|$)##) {
                        $p = $u;
@@ -2873,14 +2916,160 @@ sub check_author {
        $author;
 }
 
+sub find_extra_svk_parents {
+       my ($self, $ed, $tickets, $parents) = @_;
+       # aha!  svk:merge property changed...
+       my @tickets = split "\n", $tickets;
+       my @known_parents;
+       for my $ticket ( @tickets ) {
+               my ($uuid, $path, $rev) = split /:/, $ticket;
+               if ( $uuid eq $self->ra_uuid ) {
+                       my $url = $self->rewrite_root || $self->{url};
+                       my $repos_root = $url;
+                       my $branch_from = $path;
+                       $branch_from =~ s{^/}{};
+                       my $gs = $self->other_gs($repos_root."/".$branch_from,
+                                                $url,
+                                                $branch_from,
+                                                $rev,
+                                                $self->{ref_id});
+                       if ( my $commit = $gs->rev_map_get($rev, $uuid) ) {
+                               # wahey!  we found it, but it might be
+                               # an old one (!)
+                               push @known_parents, $commit;
+                       }
+               }
+       }
+       for my $parent ( @known_parents ) {
+               my @cmd = ('rev-list', $parent, map { "^$_" } @$parents );
+               my ($msg_fh, $ctx) = command_output_pipe(@cmd);
+               my $new;
+               while ( <$msg_fh> ) {
+                       $new=1;last;
+               }
+               command_close_pipe($msg_fh, $ctx);
+               if ( $new ) {
+                       print STDERR
+                           "Found merge parent (svk:merge ticket): $parent\n";
+                       push @$parents, $parent;
+               }
+       }
+}
+
+# note: this function should only be called if the various dirprops
+# have actually changed
+sub find_extra_svn_parents {
+       my ($self, $ed, $mergeinfo, $parents) = @_;
+       # aha!  svk:merge property changed...
+
+       # We first search for merged tips which are not in our
+       # history.  Then, we figure out which git revisions are in
+       # that tip, but not this revision.  If all of those revisions
+       # are now marked as merge, we can add the tip as a parent.
+       my @merges = split "\n", $mergeinfo;
+       my @merge_tips;
+       my @merged_commit_ranges;
+       my $url = $self->rewrite_root || $self->{url};
+       for my $merge ( @merges ) {
+               my ($source, $revs) = split ":", $merge;
+               my $path = $source;
+               $path =~ s{^/}{};
+               my $gs = Git::SVN->find_by_url($url.$source, $url, $path);
+               if ( !$gs ) {
+                       warn "Couldn't find revmap for $url$source\n";
+                       next;
+               }
+               my @ranges = split ",", $revs;
+               my ($tip, $tip_commit);
+               # find the tip
+               for my $range ( @ranges ) {
+                       my ($bottom, $top) = split "-", $range;
+                       $top ||= $bottom;
+                       my $bottom_commit =
+                               $gs->rev_map_get($bottom, $self->ra_uuid) ||
+                               $gs->rev_map_get($bottom+1, $self->ra_uuid);
+                       my $top_commit;
+                       for (; !$top_commit && $top >= $bottom; --$top) {
+                               $top_commit =
+                                       $gs->rev_map_get($top, $self->ra_uuid);
+                       }
+
+                       unless ($top_commit and $bottom_commit) {
+                               warn "W:unknown path/rev in svn:mergeinfo "
+                                       ."dirprop: $source:$range\n";
+                               next;
+                       }
+
+                       push @merged_commit_ranges,
+                               "$bottom_commit..$top_commit";
+
+                       if ( !defined $tip or $top > $tip ) {
+                               $tip = $top;
+                               $tip_commit = $top_commit;
+                       }
+               }
+               unless (!$tip_commit or
+                               grep { $_ eq $tip_commit } @$parents ) {
+                       push @merge_tips, $tip_commit;
+               } else {
+                       push @merge_tips, undef;
+               }
+       }
+       for my $merge_tip ( @merge_tips ) {
+               my $spec = shift @merges;
+               next unless $merge_tip;
+               my @cmd = ('rev-list', "-1", $merge_tip,
+                          "--not", @$parents );
+               my ($msg_fh, $ctx) = command_output_pipe(@cmd);
+               my $new;
+               while ( <$msg_fh> ) {
+                       $new=1;last;
+               }
+               command_close_pipe($msg_fh, $ctx);
+               if ( $new ) {
+                       push @cmd, @merged_commit_ranges;
+                       my ($msg_fh, $ctx) = command_output_pipe(@cmd);
+                       my $unmerged;
+                       while ( <$msg_fh> ) {
+                               $unmerged=1;last;
+                       }
+                       command_close_pipe($msg_fh, $ctx);
+                       if ( $unmerged ) {
+                               warn "W:svn cherry-pick ignored ($spec)\n";
+                       } else {
+                               warn
+                                 "Found merge parent (svn:mergeinfo prop): ",
+                                 $merge_tip, "\n";
+                               push @$parents, $merge_tip;
+                       }
+               }
+       }
+}
+
 sub make_log_entry {
        my ($self, $rev, $parents, $ed) = @_;
        my $untracked = $self->get_untracked($ed);
 
+       my @parents = @$parents;
+       my $ps = $ed->{path_strip} || "";
+       for my $path ( grep { m/$ps/ } %{$ed->{dir_prop}} ) {
+               my $props = $ed->{dir_prop}{$path};
+               if ( $props->{"svk:merge"} ) {
+                       $self->find_extra_svk_parents
+                               ($ed, $props->{"svk:merge"}, \@parents);
+               }
+               if ( $props->{"svn:mergeinfo"} ) {
+                       $self->find_extra_svn_parents
+                               ($ed,
+                                $props->{"svn:mergeinfo"},
+                                \@parents);
+               }
+       }
+
        open my $un, '>>', "$self->{dir}/unhandled.log" or croak $!;
        print $un "r$rev\n" or croak $!;
        print $un $_, "\n" foreach @$untracked;
-       my %log_entry = ( parents => $parents || [], revision => $rev,
+       my %log_entry = ( parents => \@parents, revision => $rev,
                          log => '');
 
        my $headrev;
@@ -3406,6 +3595,12 @@ sub uri_encode {
        $f
 }
 
+sub uri_decode {
+       my ($f) = @_;
+       $f =~ s#%([0-9a-fA-F]{2})#chr(hex($1))#eg;
+       $f
+}
+
 sub remove_username {
        $_[0] =~ s{^([^:]*://)[^@]+@}{$1};
 }