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test-tool read-graph: add commit-info subcommand 

The test infrastructure has no way to check whether a specific commit
is present in the commit-graph, making it hard to verify graph state
after operations like fetch.

Add a "commit-info" subcommand to test-tool read-graph that queries
whether specific commits are present in the commit-graph and prints
their generation numbers.  Returns 1 if any commit is not found.

Signed-off-by: Kristofer Karlsson <krka@spotify.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Kristofer Karlsson 2026-10-07 14:22:56 +00:00 committed by Junio C Hamano
parent a018953688
commit 72e75ffee7
1 changed files with 22 additions and 1 deletions
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23
t/helper/test-read-graph.c
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@ -2,6 +2,9 @@

#include "test-tool.h"
#include "commit-graph.h"
#include "commit.h"
#include "hex.h"
#include "object-name.h"
#include "repository.h"
#include "odb.h"
#include "bloom.h"
@ -91,7 +94,25 @@ int cmd__read_graph(int argc, const char **argv)
dump_graph_info(graph);
else if (!strcmp(argv[1], "bloom-filters"))
dump_graph_bloom_filters(graph);
else {
else if (!strcmp(argv[1], "commit-info")) {
int i;
for (i = 2; i < argc; i++) {
struct object_id oid;
struct commit *c;

if (repo_get_oid(the_repository, argv[i], &oid))
die("not a valid object name: '%s'", argv[i]);
c = lookup_commit_in_graph(the_repository, &oid);
if (!c) {
fprintf(stderr, "%s: not in graph\n", argv[i]);
ret = 1;
continue;
}
printf("%s generation %"PRIuMAX"\n",
oid_to_hex(&oid),
(uintmax_t)commit_graph_generation(c));
}
} else {
fprintf(stderr, "unknown sub-command: '%s'\n", argv[1]);
ret = 1;
}