git: don't issue a warning if rcsinfo is undefined

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

diff --git a/IkiWiki/Plugin/git.pm b/IkiWiki/Plugin/git.pm
index 77c0678bcbd8dfd32c13b164477ea899d0c9f38a..331b48fda4e5b9f61b44452eabb91818aed9817e 100644 (file)
--- a/IkiWiki/Plugin/git.pm
+++ b/IkiWiki/Plugin/git.pm
@@ -220,6 +220,21 @@ sub run_or_die ($@) { safe_git(\&error, undef, @_) }
 sub run_or_cry ($@) { safe_git(sub { warn @_ }, undef, @_) }
 sub run_or_non ($@) { safe_git(undef, undef, @_) }
 
+sub ensure_committer {
+       if (! length $ENV{GIT_AUTHOR_NAME} || ! length $ENV{GIT_COMMITTER_NAME}) {
+               my $name = join('', run_or_non("git", "config", "user.name"));
+               if (! length $name) {
+                       run_or_die("git", "config", "user.name", "IkiWiki");
+               }
+       }
+
+       if (! length $ENV{GIT_AUTHOR_EMAIL} || ! length $ENV{GIT_COMMITTER_EMAIL}) {
+               my $email = join('', run_or_non("git", "config", "user.email"));
+               if (! length $email) {
+                       run_or_die("git", "config", "user.email", "ikiwiki.info");
+               }
+       }
+}
 
 sub merge_past ($$$) {
        # Unlike with Subversion, Git cannot make a 'svn merge -rN:M file'.
@@ -258,6 +273,8 @@ sub merge_past ($$$) {
        my @undo;      # undo stack for cleanup in case of an error
        my $conflict;  # file content with conflict markers
 
+       ensure_committer();
+
        eval {
                # Hide local changes from Git by renaming the modified file.
                # Relative paths must be converted to absolute for renaming.
@@ -452,7 +469,7 @@ sub git_commit_info ($;$) {
 
        my @raw_lines = run_or_die('git', 'log', @opts,
                '--pretty=raw', '--raw', '--abbrev=40', '--always', '-c',
-               '-r', $sha1, '--', '.');
+               '-r', $sha1, '--no-renames', '--', '.');
 
        my @ci;
        while (my $parsed = parse_diff_tree(\@raw_lines)) {
@@ -467,6 +484,11 @@ sub git_commit_info ($;$) {
 sub rcs_find_changes ($) {
        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',
@@ -482,12 +504,16 @@ sub rcs_find_changes ($) {
                foreach my $i (@{$ci->{details}}) {
                        my $file=$i->{file};
                        if ($i->{sha1_to} eq $nullsha) {
-                               delete $changed{$file};
-                               $deleted{$file}=1;
+                               if (! -e "$config{srcdir}/$file") {
+                                       delete $changed{$file};
+                                       $deleted{$file}=1;
+                               }
                        }
                        else {
-                               delete $deleted{$file};
-                               $changed{$file}=1;
+                               if (-e "$config{srcdir}/$file") {
+                                       delete $deleted{$file};
+                                       $changed{$file}=1;
+                               }
                        }
                }
        }
@@ -517,6 +543,8 @@ sub rcs_get_current_rev () {
 sub rcs_update () {
        # Update working directory.
 
+       ensure_committer();
+
        if (length $config{gitorigin_branch}) {
                run_or_cry('git', 'pull', '--prune', $config{gitorigin_branch});
        }
@@ -539,7 +567,10 @@ sub rcs_commit (@) {
        # Check to see if the page has been changed by someone else since
        # rcs_prepedit was called.
        my $cur    = git_sha1_file($params{file});
-       my ($prev) = $params{token} =~ /^($sha1_pattern)$/; # untaint
+       my $prev;
+       if (defined $params{token}) {
+               ($prev) = $params{token} =~ /^($sha1_pattern)$/; # untaint
+       }
 
        if (defined $cur && defined $prev && $cur ne $prev) {
                my $conflict = merge_past($prev, $params{file}, $dummy_commit_msg);
@@ -570,7 +601,7 @@ sub rcs_commit_helper (@) {
                        $u=$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")) {
@@ -583,6 +614,8 @@ sub rcs_commit_helper (@) {
                }
        }
 
+       ensure_committer();
+
        $params{message} = IkiWiki::possibly_foolish_untaint($params{message});
        my @opts;
        if ($params{message} !~ /\S/) {
@@ -609,7 +642,7 @@ 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}) {
-                       run_or_cry('git', 'push', $config{gitorigin_branch});
+                       run_or_cry('git', 'push', $config{gitorigin_branch}, $config{gitmaster_branch});
                }
        }
        
@@ -622,7 +655,9 @@ sub rcs_add ($) {
 
        my ($file) = @_;
 
-       run_or_cry('git', 'add', $file);
+       ensure_committer();
+
+       run_or_cry('git', 'add', '--', $file);
 }
 
 sub rcs_remove ($) {
@@ -630,13 +665,17 @@ sub rcs_remove ($) {
 
        my ($file) = @_;
 
-       run_or_cry('git', 'rm', '-f', $file);
+       ensure_committer();
+
+       run_or_cry('git', 'rm', '-f', '--', $file);
 }
 
 sub rcs_rename ($$) {
        my ($src, $dest) = @_;
 
-       run_or_cry('git', 'mv', '-f', $src, $dest);
+       ensure_committer();
+
+       run_or_cry('git', 'mv', '-f', '--', $src, $dest);
 }
 
 sub rcs_recentchanges ($) {
@@ -660,7 +699,9 @@ sub rcs_recentchanges ($) {
                my @pages;
                foreach my $detail (@{ $ci->{'details'} }) {
                        my $file = $detail->{'file'};
-                       my $efile = uri_escape_utf8($file);
+                       my $efile = join('/',
+                               map { uri_escape_utf8($_) } split('/', $file)
+                       );
 
                        my $diffurl = defined $config{'diffurl'} ? $config{'diffurl'} : "";
                        $diffurl =~ s/\[\[file\]\]/$efile/go;
@@ -933,7 +974,11 @@ sub rcs_revert ($) {
        my $rev = shift;
        my ($sha1) = $rev =~ /^($sha1_pattern)$/; # untaint
 
-       if (run_or_non('git', 'revert', '--no-commit', $sha1)) {
+       ensure_committer();
+
+       if (run_or_non('git', 'revert', '--strategy=recursive',
+                       '--strategy-option=no-renames',
+                       '--no-commit', $sha1)) {
                return undef;
        }
        else {