Re: [PATCH] test-lib-functions: fix test_subcommand_inexact

[Taylor Blau <me@ttaylorr.com>]

On Thu, Mar 24, 2022 at 11:42:44AM -0400, Derrick Stolee wrote:
> As I'm looking at Taylor's test case example, the one thing I notice
> is that there is only one pack-file before the repack. It would be
> good to have a non-kept packfile get repacked in the process, not
> just the loose objects added by the test_commit. I'll take a look at
> what can be done here.

I think you are too good at nerd-sniping me ;-). Here's a more robust
test, that I think reads a little cleaner than the previous round. Let
me know what you think:

--- 8< ---

diff --git a/t/t7700-repack.sh b/t/t7700-repack.sh
index 5922fb5bdd..1ed9a98a36 100755
--- a/t/t7700-repack.sh
+++ b/t/t7700-repack.sh
@@ -369,10 +369,36 @@ test_expect_success '--write-midx with preferred bitmap tips' '
 	)
 '

+packdir=$objdir/pack
+
 test_expect_success '--write-midx -b packs non-kept objects' '
-	GIT_TRACE2_EVENT="$(pwd)/trace.txt" \
-		git repack --write-midx -a -b &&
-	test_subcommand_inexact git pack-objects --honor-pack-keep <trace.txt
+	git init repo &&
+	test_when_finished "rm -fr repo" &&
+	(
+		cd repo &&
+
+		test_commit kept &&
+		git repack -ad &&
+
+		>$packdir/$(basename $packdir/pack-*.pack .pack).keep &&
+
+		test_commit unkept &&
+		git repack -d &&
+
+		test_commit new &&
+
+		find $packdir -type f -name "pack-*.idx" | sort >before &&
+		git repack --write-midx -a -b -d &&
+		find $packdir -type f -name "pack-*.idx" | sort >after &&
+
+		git rev-list --objects --no-object-names kept.. >expect.raw &&
+		sort expect.raw >expect &&
+
+		git show-index <$(comm -13 before after) >actual.raw &&
+		cut -d" " -f2 actual.raw >actual &&
+
+		test_cmp expect actual
+	)
 '

 test_expect_success TTY '--quiet disables progress' '

--- >8 ---

Thanks,
Taylor