]> git.vanrenterghem.biz Git - git.ikiwiki.info.git/blobdiff - IkiWiki/Plugin/git.pm
bugfix
[git.ikiwiki.info.git] / IkiWiki / Plugin / git.pm
index 992c6226b6b69f859b80458fb6b21da52a28a49c..f8e16859bed71d28d3dbd6b5ee3a5877782450a2 100644 (file)
@@ -9,7 +9,7 @@ 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 $no_chdir=0;
+my $git_dir=undef;
 
 sub import {
        hook(type => "checkconfig", id => "git", call => \&checkconfig);
@@ -27,6 +27,8 @@ sub import {
        hook(type => "rcs", id => "rcs_getctime", call => \&rcs_getctime);
        hook(type => "rcs", id => "rcs_getmtime", call => \&rcs_getmtime);
        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);
 }
 
 sub checkconfig () {
@@ -41,11 +43,14 @@ sub checkconfig () {
                push @{$config{wrappers}}, {
                        wrapper => $config{git_wrapper},
                        wrappermode => (defined $config{git_wrappermode} ? $config{git_wrappermode} : "06755"),
+                       wrapper_background_command => $config{git_wrapper_background_command},
                };
        }
 
        if (defined $config{git_test_receive_wrapper} &&
-           length $config{git_test_receive_wrapper}) {
+           length $config{git_test_receive_wrapper} &&
+           defined $config{untrusted_committers} &&
+           @{$config{untrusted_committers}}) {
                push @{$config{wrappers}}, {
                        test_receive => 1,
                        wrapper => $config{git_test_receive_wrapper},
@@ -78,6 +83,13 @@ sub getsetup () {
                        safe => 0, # file
                        rebuild => 0,
                },
+               git_wrapper_background_command => {
+                       type => "string",
+                       example => "git push github",
+                       description => "shell command for git_wrapper to run, in the background",
+                       safe => 0, # command
+                       rebuild => 0,
+               },
                git_wrappermode => {
                        type => "string",
                        example => '06755',
@@ -101,7 +113,7 @@ sub getsetup () {
                },
                historyurl => {
                        type => "string",
-                       example => "http://git.example.com/gitweb.cgi?p=wiki.git;a=history;f=[[file]]",
+                       example => "http://git.example.com/gitweb.cgi?p=wiki.git;a=history;f=[[file]];hb=HEAD",
                        description => "gitweb url to show file history ([[file]] substituted)",
                        safe => 1,
                        rebuild => 1,
@@ -152,9 +164,13 @@ sub safe_git (&@) {
        if (!$pid) {
                # In child.
                # Git commands want to be in wc.
-               if (! $no_chdir) {
+               if (! defined $git_dir) {
                        chdir $config{srcdir}
-                           or error("Cannot chdir to $config{srcdir}: $!");
+                           or error("cannot chdir to $config{srcdir}: $!");
+               }
+               else {
+                       chdir $git_dir
+                           or error("cannot chdir to $git_dir: $!");
                }
                exec @cmdline or error("Cannot exec '@cmdline': $!");
        }
@@ -452,7 +468,7 @@ sub rcs_update () {
        # Update working directory.
 
        if (length $config{gitorigin_branch}) {
-               run_or_cry('git', 'pull', $config{gitorigin_branch});
+               run_or_cry('git', 'pull', '--prune', $config{gitorigin_branch});
        }
 }
 
@@ -509,6 +525,8 @@ sub rcs_commit_staged (@) {
                }
                if (defined $params{session}->param("nickname")) {
                        $u=encode_utf8($params{session}->param("nickname"));
+                       $u=~s/\s+/_/g;
+                       $u=~s/[^-_0-9[:alnum:]]+//g;
                }
                if (defined $u) {
                        $ENV{GIT_AUTHOR_EMAIL}="$u\@web";
@@ -706,10 +724,15 @@ sub rcs_getmtime ($) {
        return findtimes($file, 0);
 }
 
-sub rcs_receive () {
+{
+my $ret;
+sub git_find_root {
        # The wiki may not be the only thing in the git repo.
        # Determine if it is in a subdirectory by examining the srcdir,
        # and its parents, looking for the .git directory.
+
+       return @$ret if defined $ret;
+       
        my $subdir="";
        my $dir=$config{srcdir};
        while (! -d "$dir/.git") {
@@ -720,83 +743,128 @@ sub rcs_receive () {
                }
        }
 
+       $ret=[$subdir, $dir];
+       return @$ret;
+}
+
+}
+
+sub git_parse_changes {
+       my @changes = @_;
+
+       my ($subdir, $rootdir) = git_find_root();
+       my @rets;
+       foreach my $ci (@changes) {
+               foreach my $detail (@{ $ci->{'details'} }) {
+                       my $file = $detail->{'file'};
+
+                       # check that all changed files are in the subdir
+                       if (length $subdir &&
+                           ! ($file =~ s/^\Q$subdir\E//)) {
+                               error sprintf(gettext("you are not allowed to change %s"), $file);
+                       }
+
+                       my ($action, $mode, $path);
+                       if ($detail->{'status'} =~ /^[M]+\d*$/) {
+                               $action="change";
+                               $mode=$detail->{'mode_to'};
+                       }
+                       elsif ($detail->{'status'} =~ /^[AM]+\d*$/) {
+                               $action="add";
+                               $mode=$detail->{'mode_to'};
+                       }
+                       elsif ($detail->{'status'} =~ /^[DAM]+\d*/) {
+                               $action="remove";
+                               $mode=$detail->{'mode_from'};
+                       }
+                       else {
+                               error "unknown status ".$detail->{'status'};
+                       }
+
+                       # test that the file mode is ok
+                       if ($mode !~ /^100[64][64][64]$/) {
+                               error sprintf(gettext("you cannot act on a file with mode %s"), $mode);
+                       }
+                       if ($action eq "change") {
+                               if ($detail->{'mode_from'} ne $detail->{'mode_to'}) {
+                                       error gettext("you are not allowed to change file modes");
+                               }
+                       }
+
+                       # extract attachment to temp file
+                       if (($action eq 'add' || $action eq 'change') &&
+                           ! pagetype($file)) {
+                               eval q{use File::Temp};
+                               die $@ if $@;
+                               my $fh;
+                               ($fh, $path)=File::Temp::tempfile("XXXXXXXXXX", UNLINK => 1);
+                               my $cmd = "cd $git_dir && ".
+                                         "git show $detail->{sha1_to} > '$path'";
+                               if (system($cmd) != 0) {
+                                       error("failed writing temp file '$path'.");
+                               }
+                       }
+
+                       push @rets, {
+                               file => $file,
+                               action => $action,
+                               path => $path,
+                       };
+               }
+       }
+
+       return @rets;
+}
+
+sub rcs_receive () {
        my @rets;
        while (<>) {
                chomp;
                my ($oldrev, $newrev, $refname) = split(' ', $_, 3);
-               
+
                # only allow changes to gitmaster_branch
                if ($refname !~ /^refs\/heads\/\Q$config{gitmaster_branch}\E$/) {
                        error sprintf(gettext("you are not allowed to change %s"), $refname);
                }
-               
+
                # Avoid chdir when running git here, because the changes
                # are in the master git repo, not the srcdir repo.
-               # The pre-recieve hook already puts us in the right place.
-               $no_chdir=1;
-               my @changes=git_commit_info($oldrev."..".$newrev);
-               $no_chdir=0;
-
-               foreach my $ci (@changes) {
-                       foreach my $detail (@{ $ci->{'details'} }) {
-                               my $file = $detail->{'file'};
-
-                               # check that all changed files are in the
-                               # subdir
-                               if (length $subdir &&
-                                   ! ($file =~ s/^\Q$subdir\E//)) {
-                                       error sprintf(gettext("you are not allowed to change %s"), $file);
-                               }
-
-                               my ($action, $mode, $path);
-                               if ($detail->{'status'} =~ /^[M]+\d*$/) {
-                                       $action="change";
-                                       $mode=$detail->{'mode_to'};
-                               }
-                               elsif ($detail->{'status'} =~ /^[AM]+\d*$/) {
-                                       $action="add";
-                                       $mode=$detail->{'mode_to'};
-                               }
-                               elsif ($detail->{'status'} =~ /^[DAM]+\d*/) {
-                                       $action="remove";
-                                       $mode=$detail->{'mode_from'};
-                               }
-                               else {
-                                       error "unknown status ".$detail->{'status'};
-                               }
-                               
-                               # test that the file mode is ok
-                               if ($mode !~ /^100[64][64][64]$/) {
-                                       error sprintf(gettext("you cannot act on a file with mode %s"), $mode);
-                               }
-                               if ($action eq "change") {
-                                       if ($detail->{'mode_from'} ne $detail->{'mode_to'}) {
-                                               error gettext("you are not allowed to change file modes");
-                                       }
-                               }
-                               
-                               # extract attachment to temp file
-                               if (($action eq 'add' || $action eq 'change') &&
-                                    ! pagetype($file)) {
-                                       eval q{use File::Temp};
-                                       die $@ if $@;
-                                       my $fh;
-                                       ($fh, $path)=File::Temp::tempfile("XXXXXXXXXX", UNLINK => 1);
-                                       if (system("git show ".$detail->{sha1_to}." > '$path'") != 0) {
-                                               error("failed writing temp file");
-                                       }
-                               }
-
-                               push @rets, {
-                                       file => $file,
-                                       action => $action,
-                                       path => $path,
-                               };
-                       }
-               }
+               # (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;
        }
 
        return reverse @rets;
 }
 
+sub rcs_preprevert ($) {
+       my $rev=shift;
+       my ($sha1) = $rev =~ /^($sha1_pattern)$/; # untaint
+
+       # Examine changes from root of git repo, not from any subdir,
+       # in order to see all changes.
+       my ($subdir, $rootdir) = git_find_root();
+       $git_dir=$rootdir;
+       my @ret=git_parse_changes(git_commit_info($sha1, 1));
+       $git_dir=undef;
+       return @ret;
+}
+
+sub rcs_revert ($) {
+       # Try to revert the given rev; returns undef on _success_.
+       my $rev = shift;
+       my ($sha1) = $rev =~ /^($sha1_pattern)$/; # untaint
+
+       if (run_or_non('git', 'revert', '--no-commit', $sha1)) {
+               return undef;
+       }
+       else {
+               run_or_die('git', 'reset', '--hard');
+               return sprintf(gettext("Failed to revert commit %s"), $sha1);
+       }
+}
+
 1