The "oid-array" test helper can supposedly work without a Git
repository, but will in fact crash because `the_repository->hash_algo`
is not initialized. This is because `oid_pos()`, which is used by
`oid_array_lookup()`, depends on `the_hash_algo->rawsz`.
Ideally, we'd adapt `oid_pos()` to not depend on `the_hash_algo`
anymore. That is a bigger untertaking though, so instead we fall back to
SHA1 when there is no repository.
Signed-off-by: Patrick Steinhardt <ps@xxxxxx>
---
t/helper/test-oid-array.c | 4 ++++
t/t0064-oid-array.sh | 18 ++++++++++++++++++
2 files changed, 22 insertions(+)
diff --git a/t/helper/test-oid-array.c b/t/helper/test-oid-array.c
index aafe398ef0..076b849cbf 100644
--- a/t/helper/test-oid-array.c
+++ b/t/helper/test-oid-array.c
@@ -1,3 +1,5 @@
+#define USE_THE_REPOSITORY_VARIABLE
+
#include "test-tool.h"
#include "hex.h"
#include "oid-array.h"
@@ -17,6 +19,8 @@ int cmd__oid_array(int argc UNUSED, const char **argv UNUSED)
int nongit_ok;
setup_git_directory_gently(&nongit_ok);
+ if (nongit_ok)
+ repo_set_hash_algo(the_repository, GIT_HASH_SHA1);
while (strbuf_getline(&line, stdin) != EOF) {
const char *arg;
diff --git a/t/t0064-oid-array.sh b/t/t0064-oid-array.sh
index 88c89e8f48..de74b692d0 100755
--- a/t/t0064-oid-array.sh
+++ b/t/t0064-oid-array.sh
@@ -15,6 +15,24 @@ echoid () {
done
}
+test_expect_success 'without repository' '
+ cat >expect <<-EOF &&
+ 4444444444444444444444444444444444444444
+ 5555555555555555555555555555555555555555
+ 8888888888888888888888888888888888888888
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ EOF
+ cat >input <<-EOF &&
+ append 4444444444444444444444444444444444444444
+ append 5555555555555555555555555555555555555555
+ append 8888888888888888888888888888888888888888
+ append aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+ for_each_unique
+ EOF
+ nongit test-tool oid-array <input >actual &&
+ test_cmp expect actual
+'
+
test_expect_success 'ordered enumeration' '
echoid "" 44 55 88 aa >expect &&
{
--
2.45.2.436.gcd77e87115.dirty
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