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authorTaylor Blau <me@ttaylorr.com>2020-02-04 05:51:50 (GMT)
committerJunio C Hamano <gitster@pobox.com>2020-02-04 19:36:37 (GMT)
commit0bd52e27e315a76d6950fa30ce602eef15d90571 (patch)
treeb47e3464304a349b0e1223e682feb89449b312d8 /builtin/fetch.c
parent1793280e91c51d5923e1c714ed6e0cd1291cbe77 (diff)
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commit-graph.h: store an odb in 'struct write_commit_graph_context'
There are lots of places in 'commit-graph.h' where a function either has (or almost has) a full 'struct object_directory *', accesses '->path', and then throws away the rest of the struct. This can cause headaches when comparing the locations of object directories across alternates (e.g., in the case of deciding if two commit-graph layers can be merged). These paths are normalized with 'normalize_path_copy()' which mitigates some comparison issues, but not all [1]. Replace usage of 'char *object_dir' with 'odb->path' by storing a 'struct object_directory *' in the 'write_commit_graph_context' structure. This is an intermediate step towards getting rid of all path normalization in 'commit-graph.c'. Resolving a user-provided '--object-dir' argument now requires that we compare it to the known alternates for equality. Prior to this patch, an unknown '--object-dir' argument would silently exit with status zero. This can clearly lead to unintended behavior, such as verifying commit-graphs that aren't in a repository's own object store (or one of its alternates), or causing a typo to mask a legitimate commit-graph verification failure. Make this error non-silent by 'die()'-ing when the given '--object-dir' does not match any known alternate object store. [1]: In my testing, for example, I can get one side of the commit-graph code to fill object_dir with "./objects" and the other with just "objects". Signed-off-by: Taylor Blau <me@ttaylorr.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'builtin/fetch.c')
-rw-r--r--builtin/fetch.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/builtin/fetch.c b/builtin/fetch.c
index b4c6d92..1ce16c9 100644
--- a/builtin/fetch.c
+++ b/builtin/fetch.c
@@ -1870,7 +1870,7 @@ int cmd_fetch(int argc, const char **argv, const char *prefix)
if (progress)
commit_graph_flags |= COMMIT_GRAPH_WRITE_PROGRESS;
- write_commit_graph_reachable(get_object_directory(),
+ write_commit_graph_reachable(the_repository->objects->odb,
commit_graph_flags,
NULL);
}