Correctly handle filenames starting with a dash in add/rm/mv.

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

diff --git a/IkiWiki/Plugin/git.pm b/IkiWiki/Plugin/git.pm
index 4b0e5a86d065fba816d58564dd0593209c9d3680..bfca933fd8a18c5722876c2128a22716a1d325aa 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.
@@ -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});
        }
@@ -570,7 +598,7 @@ 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 +611,8 @@ sub rcs_commit_helper (@) {
                }
        }
 
+       ensure_committer();
+
        $params{message} = IkiWiki::possibly_foolish_untaint($params{message});
        my @opts;
        if ($params{message} !~ /\S/) {
@@ -622,7 +652,9 @@ sub rcs_add ($) {
 
        my ($file) = @_;
 
-       run_or_cry('git', 'add', $file);
+       ensure_committer();
+
+       run_or_cry('git', 'add', '--', $file);
 }
 
 sub rcs_remove ($) {
@@ -630,13 +662,17 @@ sub rcs_remove ($) {
 
        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 ($) {
@@ -935,6 +971,8 @@ sub rcs_revert ($) {
        my $rev = shift;
        my ($sha1) = $rev =~ /^($sha1_pattern)$/; # untaint
 
+       ensure_committer();
+
        if (run_or_non('git', 'revert', '--no-commit', $sha1)) {
                return undef;
        }