Closes:#841100.
* split brain cache: Fix a wrong implicit reference to $_.
Closes:#841383.
+ * split brain cache: Make sure to write reflog entries for cache updates
+ even if the eventual tree (and therefore commit) is the same.
+ Otherwise, after updating dgit, the cache might have the right answer
+ but not be refreshed even by a build.
--
ensuredir ".git/logs/refs/dgit-intern";
my $makelogfh = new IO::File ".git/logs/refs/$splitbraincache", '>>'
or die $!;
+
+ my $oldcache = git_get_ref "refs/$splitbraincache";
+ if ($oldcache eq $dgitview) {
+ my $tree = cmdoutput qw(git rev-parse), "$dgitview:";
+ # git update-ref doesn't always update, in this case. *sigh*
+ my $dummy = make_commit_text <<END;
+tree $tree
+parent $dgitview
+author Dgit <dgit\@example.com> 1000000000 +0000
+committer Dgit <dgit\@example.com> 1000000000 +0000
+
+Dummy commit - do not use
+END
+ runcmd @git, qw(update-ref -m), "dgit $our_version - dummy",
+ "refs/$splitbraincache", $dummy;
+ }
runcmd @git, qw(update-ref -m), $cachekey, "refs/$splitbraincache",
$dgitview;