* [PATCH] multi_git: do not set include.path if already set
@ 2023-02-20 5:32 Eric Wong
0 siblings, 0 replies; only message in thread
From: Eric Wong @ 2023-02-20 5:32 UTC (permalink / raw)
To: meta
The epoch may already be read-only, and we don't need to cause
more I/O traffic and disk wear for no-op stuff. This fixes
idempotent use of public-inbox-clone to update multi-epoch
inboxes.
---
lib/PublicInbox/MultiGit.pm | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/lib/PublicInbox/MultiGit.pm b/lib/PublicInbox/MultiGit.pm
index 9429a00c..74a9e1df 100644
--- a/lib/PublicInbox/MultiGit.pm
+++ b/lib/PublicInbox/MultiGit.pm
@@ -5,7 +5,7 @@
package PublicInbox::MultiGit;
use strict;
use v5.10.1;
-use PublicInbox::Spawn qw(run_die);
+use PublicInbox::Spawn qw(run_die popen_rd);
use PublicInbox::Import;
use File::Temp 0.19;
use List::Util qw(max);
@@ -108,8 +108,14 @@ sub fill_alternates {
sub epoch_cfg_set {
my ($self, $epoch_nr) = @_;
- run_die([qw(git config -f), epoch_dir($self)."/$epoch_nr.git/config",
- 'include.path', "../../$self->{all}/config" ]);
+ my $f = epoch_dir($self)."/$epoch_nr.git/config";
+ my $v = "../../$self->{all}/config";
+ if (-r $f) {
+ my $rd = popen_rd([qw(git config -f), $f, 'include.path']);
+ chomp(my $have = <$rd> // '');
+ return if $have eq $v;
+ }
+ run_die([qw(git config -f), $f, 'include.path', $v ]);
}
sub add_epoch {
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2023-02-20 5:32 [PATCH] multi_git: do not set include.path if already set Eric Wong
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