Merge branch 'master' of ssh://git.ikiwiki.info/srv/git/ikiwiki.info

[ikiwiki.git] / doc / todo / headless_git_branches.mdwn

diff --git a/doc/todo/headless_git_branches.mdwn b/doc/todo/headless_git_branches.mdwn
index e97b599007b383074b5ed6e78de4ac9e2d57e95a..1dd8677655b2bc241c66c690e8e9f1ead87d541e 100644 (file)
--- a/doc/todo/headless_git_branches.mdwn
+++ b/doc/todo/headless_git_branches.mdwn
@@ -6,49 +6,63 @@ Ikiwiki should really survive being asked to work with a git branch that has no
     git clone barerepo.git srcdir
     ikiwiki --rcs=git srcdir destdir
 
-I've fixed this initial construction case, and, based on my testing, I've also fixed the post-update executing on a new master, and ikiwiki.cgi executing on a non-existent master cases. Unfortunately these cases still generate a lot of warnings from recentchanges; I suspect a much more invasive patch would be needed to shut those up.
+I've fixed this initial construction case, and, based on my testing, I've also fixed the post-update executing on a new master, and ikiwiki.cgi executing on a non-existent master cases.
 
 Please commit so my users stop whining at me about having clean branches to push to, the big babies.
 
-Summary: Change three scary loud failure cases related to empty branches into three scary loud success cases.
+Summary: Change three scary loud failure cases related to empty branches into three mostly quiet success cases.
 
 [[!tag patch]]
 
 <pre>
 diff --git a/IkiWiki/Plugin/git.pm b/IkiWiki/Plugin/git.pm
-index cf7fbe9..5b1e334 100644
+index cf7fbe9..e5bafcf 100644
 --- a/IkiWiki/Plugin/git.pm
 +++ b/IkiWiki/Plugin/git.pm
-@@ -439,10 +439,13 @@ sub git_commit_info ($;$) {
+@@ -439,17 +439,21 @@ sub git_commit_info ($;$) {
  
        my @opts;
        push @opts, "--max-count=$num" if defined $num;
-+        my @raw_lines;
- 
+-
 -      my @raw_lines = run_or_die('git', 'log', @opts,
 -              '--pretty=raw', '--raw', '--abbrev=40', '--always', '-c',
 -              '-r', $sha1, '--', '.');
-+        if (-e $config{srcdir} . "/.git/refs/heads/" . $config{gitmaster_branch}) {
-+                @raw_lines = run_or_die('git', 'log', @opts,
-+                        '--pretty=raw', '--raw', '--abbrev=40', '--always', '-c',
-+                        '-r', $sha1, '--', '.');
-+        };
- 
+-
++      my @raw_lines;
        my @ci;
-       while (my $parsed = parse_diff_tree(\@raw_lines)) {
-@@ -474,7 +477,10 @@ sub rcs_update () {
+-      while (my $parsed = parse_diff_tree(\@raw_lines)) {
+-              push @ci, $parsed;
+-      }
++        
++      # Test to see if branch actually exists yet.
++      if (run_or_non('git', 'show-ref', '--quiet', '--verify', '--', 'refs/heads/' . $config{gitmaster_branch}) ) {
++              @raw_lines = run_or_die('git', 'log', @opts,
++                      '--pretty=raw', '--raw', '--abbrev=40', '--always', '-c',
++                      '-r', $sha1, '--', '.');
++
++              while (my $parsed = parse_diff_tree(\@raw_lines)) {
++                      push @ci, $parsed;
++              }
+ 
+-      warn "Cannot parse commit info for '$sha1' commit" if !@ci;
++              warn "Cannot parse commit info for '$sha1' commit" if !@ci;
++      };
+ 
+       return wantarray ? @ci : $ci[0];
+ }
+@@ -474,7 +478,10 @@ sub rcs_update () {
        # Update working directory.
  
        if (length $config{gitorigin_branch}) {
 -              run_or_cry('git', 'pull', '--prune', $config{gitorigin_branch});
-+                run_or_cry('git', 'fetch', '--prune', $config{gitorigin_branch});
-+                if (-e $config{srcdir} . '/.git/refs/remotes/' . $config{gitorigin_branch} . '/' . $config{gitmaster_branch}) {
-+                        run_or_cry('git', 'merge', $config{gitorigin_branch} . '/' . $config{gitmaster_branch});
-+                }
++              run_or_cry('git', 'fetch', '--prune', $config{gitorigin_branch});
++              if (run_or_non('git', 'show-ref', '--quiet', '--verify', '--', 'refs/remotes/' . $config{gitorigin_branch} . '/' . $config{gitmaster_branch}) ) {
++                      run_or_cry('git', 'merge', $config{gitorigin_branch} . '/' . $config{gitmaster_branch});
++              }
        }
  }
  
-@@ -559,7 +565,7 @@ sub rcs_commit_helper (@) {
+@@ -559,7 +566,7 @@ 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}) {
@@ -56,4 +70,5 @@ index cf7fbe9..5b1e334 100644
 +                      run_or_cry('git', 'push', $config{gitorigin_branch}, $config{gitmaster_branch});
                }
        }
+       
 </pre>