reftable/stack: add env to disable autocompaction
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@gmail.com> Acked-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Justin Tobler committed
Apr 8, 2024 at 16:16 UTC
7c8eb5928f3ae504f9ce92b67a1eb41db82d81f7
2 files changed
+24
refs/reftable-backend.c
+3
@@ -18,6 +18,7 @@
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#include "../reftable/reftable-merged.h"
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#include "../setup.h"
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#include "../strmap.h"
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+#include "parse.h"
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#include "refs-internal.h"
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/*
@@ -247,6 +248,8 @@ static struct ref_store *reftable_be_init(struct repository *repo,
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refs->write_options.block_size = 4096;
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refs->write_options.hash_id = repo->hash_algo->format_id;
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refs->write_options.default_permissions = calc_shared_perm(0666 & ~mask);
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+ refs->write_options.disable_auto_compact =
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+ !git_env_bool("GIT_TEST_REFTABLE_AUTOCOMPACTION", 1);
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/*
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* Set up the main reftable stack that is hosted in GIT_COMMON_DIR.
t/t0610-reftable-basics.sh
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@@ -299,6 +299,27 @@ test_expect_success 'ref transaction: writes cause auto-compaction' '
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test_line_count = 1 repo/.git/reftable/tables.list
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'
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+test_expect_success 'ref transaction: env var disables compaction' '
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+ test_when_finished "rm -rf repo" &&
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+
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+ git init repo &&
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+ test_commit -C repo A &&
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+
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+ start=$(wc -l <repo/.git/reftable/tables.list) &&
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+ iterations=5 &&
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+ expected=$((start + iterations)) &&
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+
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+ for i in $(test_seq $iterations)
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+ do
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+ GIT_TEST_REFTABLE_AUTOCOMPACTION=false \
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+ git -C repo update-ref branch-$i HEAD || return 1
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+ done &&
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+ test_line_count = $expected repo/.git/reftable/tables.list &&
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+
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+ git -C repo update-ref foo HEAD &&
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+ test_line_count -lt $expected repo/.git/reftable/tables.list
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+'
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+
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check_fsync_events () {
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local trace="$1" &&
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shift &&