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[git.ikiwiki.info.git] / IkiWiki / Plugin / git.pm

diff --git a/IkiWiki/Plugin/git.pm b/IkiWiki/Plugin/git.pm
index cadc69e24d6f1f610bf5a6f1d93e35a20ec966b3..4d48388a04fdc2e9c3d6ea7c71b40d3ba3ccd88c 100644 (file)
--- a/IkiWiki/Plugin/git.pm
+++ b/IkiWiki/Plugin/git.pm
@@ -5,11 +5,11 @@ use warnings;
 use strict;
 use IkiWiki;
 use Encode;
 use strict;
 use IkiWiki;
 use Encode;

+use URI::Escape q{uri_escape_utf8};

 use open qw{:utf8 :std};
 
 my $sha1_pattern     = qr/[0-9a-fA-F]{40}/; # pattern to validate Git sha1sums
 my $dummy_commit_msg = 'dummy commit';      # message to skip in recent changes
 use open qw{:utf8 :std};
 
 my $sha1_pattern     = qr/[0-9a-fA-F]{40}/; # pattern to validate Git sha1sums
 my $dummy_commit_msg = 'dummy commit';      # message to skip in recent changes

-my $git_dir=undef;

 
 sub import {
        hook(type => "checkconfig", id => "git", call => \&checkconfig);
 
 sub import {
        hook(type => "checkconfig", id => "git", call => \&checkconfig);


@@ -29,6 +29,8 @@ sub import {
        hook(type => "rcs", id => "rcs_receive", call => \&rcs_receive);
        hook(type => "rcs", id => "rcs_preprevert", call => \&rcs_preprevert);
        hook(type => "rcs", id => "rcs_revert", call => \&rcs_revert);
        hook(type => "rcs", id => "rcs_receive", call => \&rcs_receive);
        hook(type => "rcs", id => "rcs_preprevert", call => \&rcs_preprevert);
        hook(type => "rcs", id => "rcs_revert", call => \&rcs_revert);

+       hook(type => "rcs", id => "rcs_find_changes", call => \&rcs_find_changes);
+       hook(type => "rcs", id => "rcs_get_current_rev", call => \&rcs_get_current_rev);

 }
 
 sub checkconfig () {
 }
 
 sub checkconfig () {


@@ -151,6 +153,17 @@ sub genwrapper {
        }
 }
 
        }
 }
 

+my $git_dir=undef;
+my $prefix=undef;
+
+sub in_git_dir ($$) {
+       $git_dir=shift;
+       my @ret=shift->();
+       $git_dir=undef;
+       $prefix=undef;
+       return @ret;
+}
+

 sub safe_git (&@) {
        # Start a child process safely without resorting to /bin/sh.
        # Returns command output (in list content) or success state
 sub safe_git (&@) {
        # Start a child process safely without resorting to /bin/sh.
        # Returns command output (in list content) or success state


@@ -302,8 +315,6 @@ sub merge_past ($$$) {
        return $conflict;
 }
 
        return $conflict;
 }
 

-{
-my $prefix;

 sub decode_git_file ($) {
        my $file=shift;
 
 sub decode_git_file ($) {
        my $file=shift;
 


@@ -325,7 +336,6 @@ sub decode_git_file ($) {
 
        return decode("utf8", $file);
 }
 
        return decode("utf8", $file);
 }

-}

 
 sub parse_diff_tree ($) {
        # Parse the raw diff tree chunk and return the info hash.
 
 sub parse_diff_tree ($) {
        # Parse the raw diff tree chunk and return the info hash.


@@ -333,8 +343,8 @@ sub parse_diff_tree ($) {
        my $dt_ref = shift;
 
        # End of stream?
        my $dt_ref = shift;
 
        # End of stream?

-       return if !defined @{ $dt_ref } ||
-                 !defined @{ $dt_ref }[0] || !length @{ $dt_ref }[0];
+       return if ! @{ $dt_ref } ||
+                 !defined $dt_ref->[0] || !length $dt_ref->[0];

 
        my %ci;
        # Header line.
 
        my %ci;
        # Header line.


@@ -454,20 +464,63 @@ sub git_commit_info ($;$) {
        return wantarray ? @ci : $ci[0];
 }
 
        return wantarray ? @ci : $ci[0];
 }
 

-sub git_sha1 (;$) {
-       # Return head sha1sum (of given file).
-       my $file = shift || q{--};
+sub rcs_find_changes ($) {
+       my $oldrev=shift;
+
+       # Note that git log will sometimes show files being added that
+       # don't exist. Particularly, git merge -s ours can result in a
+       # merge commit where some files were not really added.
+       # This is why the code below verifies that the files really
+       # exist.
+       my @raw_lines = run_or_die('git', 'log',
+               '--pretty=raw', '--raw', '--abbrev=40', '--always', '-c',
+               '--no-renames', , '--reverse',
+               '-r', "$oldrev..HEAD", '--', '.');
+
+       # Due to --reverse, we see changes in chronological order.
+       my %changed;
+       my %deleted;
+       my $nullsha = 0 x 40;
+       my $newrev=$oldrev;
+       while (my $ci = parse_diff_tree(\@raw_lines)) {
+               $newrev=$ci->{sha1};
+               foreach my $i (@{$ci->{details}}) {
+                       my $file=$i->{file};
+                       if ($i->{sha1_to} eq $nullsha) {
+                               if (! -e "$config{srcdir}/$file") {
+                                       delete $changed{$file};
+                                       $deleted{$file}=1;
+                               }
+                       }
+                       else {
+                               if (-e "$config{srcdir}/$file") {
+                                       delete $deleted{$file};
+                                       $changed{$file}=1;
+                               }
+                       }
+               }
+       }

 
 

+       return (\%changed, \%deleted, $newrev);
+}
+
+sub git_sha1_file ($) {
+       my $file=shift;
+       git_sha1("--", $file);
+}
+
+sub git_sha1 (@) {

        # Ignore error since a non-existing file might be given.
        my ($sha1) = run_or_non('git', 'rev-list', '--max-count=1', 'HEAD',
        # Ignore error since a non-existing file might be given.
        my ($sha1) = run_or_non('git', 'rev-list', '--max-count=1', 'HEAD',

-               '--', $file);
-       if ($sha1) {
+               '--', @_);
+       if (defined $sha1) {

                ($sha1) = $sha1 =~ m/($sha1_pattern)/; # sha1 is untainted now
        }
                ($sha1) = $sha1 =~ m/($sha1_pattern)/; # sha1 is untainted now
        }

-       else {
-               debug("Empty sha1sum for '$file'.");
-       }
-       return defined $sha1 ? $sha1 : q{};
+       return defined $sha1 ? $sha1 : '';
+}
+
+sub rcs_get_current_rev () {
+       git_sha1();

 }
 
 sub rcs_update () {
 }
 
 sub rcs_update () {


@@ -483,7 +536,7 @@ sub rcs_prepedit ($) {
        # This will be later used in rcs_commit if a merge is required.
        my ($file) = @_;
 
        # This will be later used in rcs_commit if a merge is required.
        my ($file) = @_;
 

-       return git_sha1($file);
+       return git_sha1_file($file);

 }
 
 sub rcs_commit (@) {
 }
 
 sub rcs_commit (@) {


@@ -494,7 +547,7 @@ sub rcs_commit (@) {
 
        # Check to see if the page has been changed by someone else since
        # rcs_prepedit was called.
 
        # Check to see if the page has been changed by someone else since
        # rcs_prepedit was called.

-       my $cur    = git_sha1($params{file});
+       my $cur    = git_sha1_file($params{file});

        my ($prev) = $params{token} =~ /^($sha1_pattern)$/; # untaint
 
        if (defined $cur && defined $prev && $cur ne $prev) {
        my ($prev) = $params{token} =~ /^($sha1_pattern)$/; # untaint
 
        if (defined $cur && defined $prev && $cur ne $prev) {


@@ -526,7 +579,7 @@ sub rcs_commit_helper (@) {
                        $u=$params{session}->remote_addr();
                }
                if (defined $u) {
                        $u=$params{session}->remote_addr();
                }
                if (defined $u) {

-                       $u=encode_utf8($u);
+                       $u=encode_utf8(IkiWiki::cloak($u));

                        $ENV{GIT_AUTHOR_NAME}=$u;
                }
                if (defined $params{session}->param("nickname")) {
                        $ENV{GIT_AUTHOR_NAME}=$u;
                }
                if (defined $params{session}->param("nickname")) {


@@ -545,7 +598,13 @@ sub rcs_commit_helper (@) {
                # Force git to allow empty commit messages.
                # (If this version of git supports it.)
                my ($version)=`git --version` =~ /git version (.*)/;
                # Force git to allow empty commit messages.
                # (If this version of git supports it.)
                my ($version)=`git --version` =~ /git version (.*)/;

-               if ($version ge "1.5.4") {
+               if ($version ge "1.7.8") {
+                       push @opts, "--allow-empty-message", "--no-edit";
+               }
+               if ($version ge "1.7.2") {
+                       push @opts, "--allow-empty-message";
+               }
+               elsif ($version ge "1.5.4") {

                        push @opts, '--cleanup=verbatim';
                }
                else {
                        push @opts, '--cleanup=verbatim';
                }
                else {


@@ -559,7 +618,7 @@ sub rcs_commit_helper (@) {
        # So we should ignore its exit status (hence run_or_non).
        if (run_or_non('git', 'commit', '-m', $params{message}, '-q', @opts)) {
                if (length $config{gitorigin_branch}) {
        # So we should ignore its exit status (hence run_or_non).
        if (run_or_non('git', 'commit', '-m', $params{message}, '-q', @opts)) {
                if (length $config{gitorigin_branch}) {

-                       run_or_cry('git', 'push', $config{gitorigin_branch});
+                       run_or_cry('git', 'push', $config{gitorigin_branch}, $config{gitmaster_branch});

                }
        }
        
                }
        }
        


@@ -610,9 +669,12 @@ sub rcs_recentchanges ($) {
                my @pages;
                foreach my $detail (@{ $ci->{'details'} }) {
                        my $file = $detail->{'file'};
                my @pages;
                foreach my $detail (@{ $ci->{'details'} }) {
                        my $file = $detail->{'file'};

+                       my $efile = join('/',
+                               map { uri_escape_utf8($_) } split('/', $file)
+                       );

 
                        my $diffurl = defined $config{'diffurl'} ? $config{'diffurl'} : "";
 
                        my $diffurl = defined $config{'diffurl'} ? $config{'diffurl'} : "";

-                       $diffurl =~ s/\[\[file\]\]/$file/go;
+                       $diffurl =~ s/\[\[file\]\]/$efile/go;

                        $diffurl =~ s/\[\[sha1_parent\]\]/$ci->{'parent'}/go;
                        $diffurl =~ s/\[\[sha1_from\]\]/$detail->{'sha1_from'}/go;
                        $diffurl =~ s/\[\[sha1_to\]\]/$detail->{'sha1_to'}/go;
                        $diffurl =~ s/\[\[sha1_parent\]\]/$ci->{'parent'}/go;
                        $diffurl =~ s/\[\[sha1_from\]\]/$detail->{'sha1_from'}/go;
                        $diffurl =~ s/\[\[sha1_to\]\]/$detail->{'sha1_to'}/go;


@@ -762,6 +824,7 @@ sub git_find_root {
 }
 
 sub git_parse_changes {
 }
 
 sub git_parse_changes {

+       my $reverted = shift;

        my @changes = @_;
 
        my ($subdir, $rootdir) = git_find_root();
        my @changes = @_;
 
        my ($subdir, $rootdir) = git_find_root();


@@ -782,11 +845,11 @@ sub git_parse_changes {
                                $mode=$detail->{'mode_to'};
                        }
                        elsif ($detail->{'status'} =~ /^[AM]+\d*$/) {
                                $mode=$detail->{'mode_to'};
                        }
                        elsif ($detail->{'status'} =~ /^[AM]+\d*$/) {

-                               $action="add";
+                               $action= $reverted ? "remove" : "add";

                                $mode=$detail->{'mode_to'};
                        }
                        elsif ($detail->{'status'} =~ /^[DAM]+\d*/) {
                                $mode=$detail->{'mode_to'};
                        }
                        elsif ($detail->{'status'} =~ /^[DAM]+\d*/) {

-                               $action="remove";
+                               $action= $reverted ? "add" : "remove";

                                $mode=$detail->{'mode_from'};
                        }
                        else {
                                $mode=$detail->{'mode_from'};
                        }
                        else {


@@ -844,9 +907,9 @@ sub rcs_receive () {
                # (Also, if a subdir is involved, we don't want to chdir to
                # it and only see changes in it.)
                # The pre-receive hook already puts us in the right place.
                # (Also, if a subdir is involved, we don't want to chdir to
                # it and only see changes in it.)
                # The pre-receive hook already puts us in the right place.

-               $git_dir=".";
-               push @rets, git_parse_changes(git_commit_info($oldrev."..".$newrev));
-               $git_dir=undef;
+               in_git_dir(".", sub {
+                       push @rets, git_parse_changes(0, git_commit_info($oldrev."..".$newrev));
+               });

        }
 
        return reverse @rets;
        }
 
        return reverse @rets;


@@ -859,21 +922,21 @@ sub rcs_preprevert ($) {
        # Examine changes from root of git repo, not from any subdir,
        # in order to see all changes.
        my ($subdir, $rootdir) = git_find_root();
        # Examine changes from root of git repo, not from any subdir,
        # in order to see all changes.
        my ($subdir, $rootdir) = git_find_root();

-       $git_dir=$rootdir;
-       my @commits=git_commit_info($sha1, 1);
-       $git_dir=undef;
-
-       if (! @commits) {
-               error "unknown commit"; # just in case
-       }
+       in_git_dir($rootdir, sub {
+               my @commits=git_commit_info($sha1, 1);
+       
+               if (! @commits) {
+                       error "unknown commit"; # just in case
+               }

 
 

-       # git revert will fail on merge commits. Add a nice message.
-       if (exists $commits[0]->{parents} &&
-           @{$commits[0]->{parents}} > 1) {
-               error gettext("you are not allowed to revert a merge");
-       }
+               # git revert will fail on merge commits. Add a nice message.
+               if (exists $commits[0]->{parents} &&
+                   @{$commits[0]->{parents}} > 1) {
+                       error gettext("you are not allowed to revert a merge");
+               }

 
 

-       return git_parse_changes(@commits);
+               git_parse_changes(1, @commits);
+       });

 }
 
 sub rcs_revert ($) {
 }
 
 sub rcs_revert ($) {