po: avoid warnings and possible bugs with nested named subroutines

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

diff --git a/IkiWiki/Plugin/git.pm b/IkiWiki/Plugin/git.pm
index 234e7af2e0fbb847704ab0388f84671d4c619d51..6a7f6c3ae3f9eaf3e5dafab166fa3060d946cdf0 100644 (file)
--- a/IkiWiki/Plugin/git.pm
+++ b/IkiWiki/Plugin/git.pm
@@ -9,8 +9,9 @@ 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 $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;

 
 

-sub import { #{{{
+sub import {

        hook(type => "checkconfig", id => "git", call => \&checkconfig);
        hook(type => "getsetup", id => "git", call => \&getsetup);
        hook(type => "rcs", id => "rcs_update", call => \&rcs_update);
        hook(type => "checkconfig", id => "git", call => \&checkconfig);
        hook(type => "getsetup", id => "git", call => \&getsetup);
        hook(type => "rcs", id => "rcs_update", call => \&rcs_update);


@@ -24,9 +25,9 @@ sub import { #{{{
        hook(type => "rcs", id => "rcs_diff", call => \&rcs_diff);
        hook(type => "rcs", id => "rcs_getctime", call => \&rcs_getctime);
        hook(type => "rcs", id => "rcs_receive", call => \&rcs_receive);
        hook(type => "rcs", id => "rcs_diff", call => \&rcs_diff);
        hook(type => "rcs", id => "rcs_getctime", call => \&rcs_getctime);
        hook(type => "rcs", id => "rcs_receive", call => \&rcs_receive);

-} #}}}
+}

 
 

-sub checkconfig () { #{{{
+sub checkconfig () {

        if (! defined $config{gitorigin_branch}) {
                $config{gitorigin_branch}="origin";
        }
        if (! defined $config{gitorigin_branch}) {
                $config{gitorigin_branch}="origin";
        }


@@ -45,12 +46,12 @@ sub checkconfig () { #{{{
                push @{$config{wrappers}}, {
                        test_receive => 1,
                        wrapper => $config{git_test_receive_wrapper},
                push @{$config{wrappers}}, {
                        test_receive => 1,
                        wrapper => $config{git_test_receive_wrapper},

-                       wrappermode => "0755",
+                       wrappermode => (defined $config{git_wrappermode} ? $config{git_wrappermode} : "06755"),

                };
        }
                };
        }

-} #}}}
+}

 
 

-sub getsetup () { #{{{
+sub getsetup () {

        return
                plugin => {
                        safe => 0, # rcs plugin
        return
                plugin => {
                        safe => 0, # rcs plugin


@@ -94,7 +95,7 @@ sub getsetup () { #{{{
                diffurl => {
                        type => "string",
                        example => "http://git.example.com/gitweb.cgi?p=wiki.git;a=blobdiff;h=[[sha1_to]];hp=[[sha1_from]];hb=[[sha1_parent]];f=[[file]]",
                diffurl => {
                        type => "string",
                        example => "http://git.example.com/gitweb.cgi?p=wiki.git;a=blobdiff;h=[[sha1_to]];hp=[[sha1_from]];hb=[[sha1_parent]];f=[[file]]",

-                       description => "gitweb url to show a diff ([[sha1_to]], [[sha1_from]], [[sha1_parent]], and [[file]] substituted)",
+                       description => "gitweb url to show a diff ([[sha1_to]], [[sha1_from]], [[sha1_parent]], [[sha1_commit]] and [[file]] substituted)",

                        safe => 1,
                        rebuild => 1,
                },
                        safe => 1,
                        rebuild => 1,
                },


@@ -112,9 +113,9 @@ sub getsetup () { #{{{
                        safe => 0, # paranoia
                        rebuild => 0,
                },
                        safe => 0, # paranoia
                        rebuild => 0,
                },

-} #}}}
+}

 
 

-sub safe_git (&@) { #{{{
+sub safe_git (&@) {

        # Start a child process safely without resorting /bin/sh.
        # Return command output or success state (in scalar context).
 
        # Start a child process safely without resorting /bin/sh.
        # Return command output or success state (in scalar context).
 


@@ -127,8 +128,10 @@ sub safe_git (&@) { #{{{
        if (!$pid) {
                # In child.
                # Git commands want to be in wc.
        if (!$pid) {
                # In child.
                # Git commands want to be in wc.

-               chdir $config{srcdir}
-                   or error("Cannot chdir to $config{srcdir}: $!");
+               if (! $no_chdir) {
+                       chdir $config{srcdir}
+                           or error("Cannot chdir to $config{srcdir}: $!");
+               }

                exec @cmdline or error("Cannot exec '@cmdline': $!");
        }
        # In parent.
                exec @cmdline or error("Cannot exec '@cmdline': $!");
        }
        # In parent.


@@ -149,9 +152,9 @@ sub safe_git (&@) { #{{{
 sub run_or_die ($@) { safe_git(\&error, @_) }
 sub run_or_cry ($@) { safe_git(sub { warn @_ },  @_) }
 sub run_or_non ($@) { safe_git(undef,            @_) }
 sub run_or_die ($@) { safe_git(\&error, @_) }
 sub run_or_cry ($@) { safe_git(sub { warn @_ },  @_) }
 sub run_or_non ($@) { safe_git(undef,            @_) }

-#}}}

 
 

-sub merge_past ($$$) { #{{{
+
+sub merge_past ($$$) {

        # Unlike with Subversion, Git cannot make a 'svn merge -rN:M file'.
        # Git merge commands work with the committed changes, except in the
        # implicit case of '-m' of git checkout(1).  So we should invent a
        # Unlike with Subversion, Git cannot make a 'svn merge -rN:M file'.
        # Git merge commands work with the committed changes, except in the
        # implicit case of '-m' of git checkout(1).  So we should invent a


@@ -243,9 +246,9 @@ sub merge_past ($$$) { #{{{
        error("Git merge failed!\n$failure\n") if $failure;
 
        return $conflict;
        error("Git merge failed!\n$failure\n") if $failure;
 
        return $conflict;

-} #}}}
+}

 
 

-sub parse_diff_tree ($@) { #{{{
+sub parse_diff_tree ($@) {

        # Parse the raw diff tree chunk and return the info hash.
        # See git-diff-tree(1) for the syntax.
 
        # Parse the raw diff tree chunk and return the info hash.
        # See git-diff-tree(1) for the syntax.
 


@@ -355,15 +358,17 @@ sub parse_diff_tree ($@) { #{{{
        }
 
        return \%ci;
        }
 
        return \%ci;

-} #}}}
+}

 
 

-sub git_commit_info ($;$) { #{{{
+sub git_commit_info ($;$) {

        # Return an array of commit info hashes of num commits
        # starting from the given sha1sum.
        my ($sha1, $num) = @_;
 
        # Return an array of commit info hashes of num commits
        # starting from the given sha1sum.
        my ($sha1, $num) = @_;
 

-       my @raw_lines = run_or_die('git', 'log',
-               (defined $num ? "--max-count=$num" : ""), 
+       my @opts;
+       push @opts, "--max-count=$num" if defined $num;
+
+       my @raw_lines = run_or_die('git', 'log', @opts,

                '--pretty=raw', '--raw', '--abbrev=40', '--always', '-c',
                '-r', $sha1, '--', '.');
        my ($prefix) = run_or_die('git', 'rev-parse', '--show-prefix');
                '--pretty=raw', '--raw', '--abbrev=40', '--always', '-c',
                '-r', $sha1, '--', '.');
        my ($prefix) = run_or_die('git', 'rev-parse', '--show-prefix');


@@ -376,9 +381,9 @@ sub git_commit_info ($;$) { #{{{
        warn "Cannot parse commit info for '$sha1' commit" if !@ci;
 
        return wantarray ? @ci : $ci[0];
        warn "Cannot parse commit info for '$sha1' commit" if !@ci;
 
        return wantarray ? @ci : $ci[0];

-} #}}}
+}

 
 

-sub git_sha1 (;$) { #{{{
+sub git_sha1 (;$) {

        # Return head sha1sum (of given file).
        my $file = shift || q{--};
 
        # Return head sha1sum (of given file).
        my $file = shift || q{--};
 


@@ -389,25 +394,25 @@ sub git_sha1 (;$) { #{{{
                ($sha1) = $sha1 =~ m/($sha1_pattern)/; # sha1 is untainted now
        } else { debug("Empty sha1sum for '$file'.") }
        return defined $sha1 ? $sha1 : q{};
                ($sha1) = $sha1 =~ m/($sha1_pattern)/; # sha1 is untainted now
        } else { debug("Empty sha1sum for '$file'.") }
        return defined $sha1 ? $sha1 : q{};

-} #}}}
+}

 
 

-sub rcs_update () { #{{{
+sub rcs_update () {

        # Update working directory.
 
        if (length $config{gitorigin_branch}) {
                run_or_cry('git', 'pull', $config{gitorigin_branch});
        }
        # Update working directory.
 
        if (length $config{gitorigin_branch}) {
                run_or_cry('git', 'pull', $config{gitorigin_branch});
        }

-} #}}}
+}

 
 

-sub rcs_prepedit ($) { #{{{
+sub rcs_prepedit ($) {

        # Return the commit sha1sum of the file when editing begins.
        # This will be later used in rcs_commit if a merge is required.
        my ($file) = @_;
 
        return git_sha1($file);
        # Return the commit sha1sum of the file when editing begins.
        # This will be later used in rcs_commit if a merge is required.
        my ($file) = @_;
 
        return git_sha1($file);

-} #}}}
+}

 
 

-sub rcs_commit ($$$;$$) { #{{{
+sub rcs_commit ($$$;$$) {

        # Try to commit the page; returns undef on _success_ and
        # a version of the page with the rcs's conflict markers on
        # failure.
        # Try to commit the page; returns undef on _success_ and
        # a version of the page with the rcs's conflict markers on
        # failure.


@@ -426,7 +431,7 @@ sub rcs_commit ($$$;$$) { #{{{
 
        rcs_add($file); 
        return rcs_commit_staged($message, $user, $ipaddr);
 
        rcs_add($file); 
        return rcs_commit_staged($message, $user, $ipaddr);

-} #}}}
+}

 
 sub rcs_commit_staged ($$$) {
        # Commits all staged changes. Changes can be staged using rcs_add,
 
 sub rcs_commit_staged ($$$) {
        # Commits all staged changes. Changes can be staged using rcs_add,


@@ -467,29 +472,29 @@ sub rcs_commit_staged ($$$) {
        return undef; # success
 }
 
        return undef; # success
 }
 

-sub rcs_add ($) { # {{{
+sub rcs_add ($) {

        # Add file to archive.
 
        my ($file) = @_;
 
        run_or_cry('git', 'add', $file);
        # Add file to archive.
 
        my ($file) = @_;
 
        run_or_cry('git', 'add', $file);

-} #}}}
+}

 
 

-sub rcs_remove ($) { # {{{
+sub rcs_remove ($) {

        # Remove file from archive.
 
        my ($file) = @_;
 
        run_or_cry('git', 'rm', '-f', $file);
        # Remove file from archive.
 
        my ($file) = @_;
 
        run_or_cry('git', 'rm', '-f', $file);

-} #}}}
+}

 
 

-sub rcs_rename ($$) { # {{{
+sub rcs_rename ($$) {

        my ($src, $dest) = @_;
 
        run_or_cry('git', 'mv', '-f', $src, $dest);
        my ($src, $dest) = @_;
 
        run_or_cry('git', 'mv', '-f', $src, $dest);

-} #}}}
+}

 
 

-sub rcs_recentchanges ($) { #{{{
+sub rcs_recentchanges ($) {

        # List of recent changes.
 
        my ($num) = @_;
        # List of recent changes.
 
        my ($num) = @_;


@@ -516,6 +521,7 @@ sub rcs_recentchanges ($) { #{{{
                        $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;

+                       $diffurl =~ s/\[\[sha1_commit\]\]/$sha1/go;

 
                        push @pages, {
                                page => pagename($file),
 
                        push @pages, {
                                page => pagename($file),


@@ -556,9 +562,9 @@ sub rcs_recentchanges ($) { #{{{
        }
 
        return @rets;
        }
 
        return @rets;

-} #}}}
+}

 
 

-sub rcs_diff ($) { #{{{
+sub rcs_diff ($) {

        my $rev=shift;
        my ($sha1) = $rev =~ /^($sha1_pattern)$/; # untaint
        my @lines;
        my $rev=shift;
        my ($sha1) = $rev =~ /^($sha1_pattern)$/; # untaint
        my @lines;


@@ -573,9 +579,9 @@ sub rcs_diff ($) { #{{{
        else {
                return join("", @lines);
        }
        else {
                return join("", @lines);
        }

-} #}}}
+}

 
 

-sub rcs_getctime ($) { #{{{
+sub rcs_getctime ($) {

        my $file=shift;
        # Remove srcdir prefix
        $file =~ s/^\Q$config{srcdir}\E\/?//;
        my $file=shift;
        # Remove srcdir prefix
        $file =~ s/^\Q$config{srcdir}\E\/?//;


@@ -586,9 +592,9 @@ sub rcs_getctime ($) { #{{{
        debug("ctime for '$file': ". localtime($ctime));
 
        return $ctime;
        debug("ctime for '$file': ". localtime($ctime));
 
        return $ctime;

-} #}}}
+}

 
 

-sub rcs_receive () { #{{{
+sub rcs_receive () {

        # 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.
        # 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.


@@ -606,13 +612,20 @@ sub rcs_receive () { #{{{
        while (<>) {
                chomp;
                my ($oldrev, $newrev, $refname) = split(' ', $_, 3);
        while (<>) {
                chomp;
                my ($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"), $refname);
                }
                # only allow changes to gitmaster_branch
                if ($refname !~ /^refs\/heads\/\Q$config{gitmaster_branch}\E$/) {
                        error sprintf(gettext("you are not allowed to change %s"), $refname);
                }

-
-               foreach my $ci (git_commit_info($oldrev."..".$newrev)) {
+               
+               # 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'};
 
                        foreach my $detail (@{ $ci->{'details'} }) {
                                my $file = $detail->{'file'};
 


@@ -623,8 +636,7 @@ sub rcs_receive () { #{{{
                                        error sprintf(gettext("you are not allowed to change %s"), $file);
                                }
 
                                        error sprintf(gettext("you are not allowed to change %s"), $file);
                                }
 

-                               my $action;
-                               my $mode;                       
+                               my ($action, $mode, $path);

                                if ($detail->{'status'} =~ /^[M]+\d*$/) {
                                        $action="change";
                                        $mode=$detail->{'mode_to'};
                                if ($detail->{'status'} =~ /^[M]+\d*$/) {
                                        $action="change";
                                        $mode=$detail->{'mode_to'};


@@ -650,16 +662,29 @@ sub rcs_receive () { #{{{
                                                error gettext("you are not allowed to change file modes");
                                        }
                                }
                                                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,
 
                                push @rets, {
                                        file => $file,
                                        action => $action,

+                                       path => $path,

                                };
                        }
                }
        }
 
                                };
                        }
                }
        }
 

-       return @rets;
-} #}}}
+       return reverse @rets;
+}

 
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