[PATCH 10/37] git: disable abbreviations with cat-file hints

[Eric Wong]

Ambiguity is not worth it for internal usage with the
solver.
---
 lib/PublicInbox/Git.pm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/PublicInbox/Git.pm b/lib/PublicInbox/Git.pm
index a61cb31..b655921 100644
--- a/lib/PublicInbox/Git.pm
+++ b/lib/PublicInbox/Git.pm
@@ -92,7 +92,8 @@ sub _bidi_pipe {
                fcntl($in_w, 1031, 4096) if $batch eq '--batch-check';
        }
 
-       my @cmd = ('git', "--git-dir=$self->{git_dir}", qw(cat-file), $batch);
+       my @cmd = (qw(git), "--git-dir=$self->{git_dir}",
+                       qw(-c core.abbrev=40 cat-file), $batch);
        my $redir = { 0 => fileno($out_r), 1 => fileno($in_w) };
        if ($err) {
                open(my $fh, '+>', undef) or fail($self, "open.err failed: $!");
-- 
EW

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