From: Justin Tobler <jltobler@xxxxxxxxx>
In future tests it will be neccesary to create repositories with a set
number of tables. To make this easier, introduce the
`GIT_TEST_REFTABLE_AUTOCOMPACTION` environment variable that, when set
to false, disables autocompaction of reftables.
Signed-off-by: Justin Tobler <jltobler@xxxxxxxxx>
---
refs/reftable-backend.c | 4 ++++
t/t0610-reftable-basics.sh | 21 +++++++++++++++++++++
2 files changed, 25 insertions(+)
diff --git a/refs/reftable-backend.c b/refs/reftable-backend.c
index 0bed6d2ab48..6b6191f89dd 100644
--- a/refs/reftable-backend.c
+++ b/refs/reftable-backend.c
@@ -18,6 +18,7 @@
#include "../reftable/reftable-merged.h"
#include "../setup.h"
#include "../strmap.h"
+#include "parse.h"
#include "refs-internal.h"
/*
@@ -248,6 +249,9 @@ static struct ref_store *reftable_be_init(struct repository *repo,
refs->write_options.hash_id = repo->hash_algo->format_id;
refs->write_options.default_permissions = calc_shared_perm(0666 & ~mask);
+ if (!git_env_bool("GIT_TEST_REFTABLE_AUTOCOMPACTION", 1))
+ refs->write_options.disable_auto_compact = 1;
+
/*
* Set up the main reftable stack that is hosted in GIT_COMMON_DIR.
* This stack contains both the shared and the main worktree refs.
diff --git a/t/t0610-reftable-basics.sh b/t/t0610-reftable-basics.sh
index 931d888bbbc..c9e10b34684 100755
--- a/t/t0610-reftable-basics.sh
+++ b/t/t0610-reftable-basics.sh
@@ -299,6 +299,27 @@ test_expect_success 'ref transaction: writes cause auto-compaction' '
test_line_count = 1 repo/.git/reftable/tables.list
'
+test_expect_success 'ref transaction: env var disables compaction' '
+ test_when_finished "rm -rf repo" &&
+
+ git init repo &&
+ test_commit -C repo A &&
+
+ start=$(wc -l <repo/.git/reftable/tables.list) &&
+ iterations=5 &&
+ expected=$((start + iterations)) &&
+
+ for i in $(test_seq $iterations)
+ do
+ GIT_TEST_REFTABLE_AUTOCOMPACTION=false \
+ git -C repo update-ref branch-$i HEAD || return 1
+ done &&
+ test_line_count = $expected repo/.git/reftable/tables.list &&
+
+ git -C repo update-ref foo HEAD &&
+ test_line_count -lt $expected repo/.git/reftable/tables.list
+'
+
check_fsync_events () {
local trace="$1" &&
shift &&
--
gitgitgadget
