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Diffstat (limited to 'src/revparse.c')
-rw-r--r--src/revparse.c98
1 files changed, 78 insertions, 20 deletions
diff --git a/src/revparse.c b/src/revparse.c
index 97fc91b54..3e3edb6cc 100644
--- a/src/revparse.c
+++ b/src/revparse.c
@@ -84,12 +84,16 @@ static int maybe_describe(git_object**out, git_repository *repo, const char *spe
return maybe_abbrev(out, repo, substr+2);
}
-static int revparse_lookup_object(git_object **out, git_repository *repo, const char *spec)
+static int revparse_lookup_object(
+ git_object **object_out,
+ git_reference **reference_out,
+ git_repository *repo,
+ const char *spec)
{
int error;
git_reference *ref;
- error = maybe_sha(out, repo, spec);
+ error = maybe_sha(object_out, repo, spec);
if (!error)
return 0;
@@ -98,22 +102,27 @@ static int revparse_lookup_object(git_object **out, git_repository *repo, const
error = git_reference_dwim(&ref, repo, spec);
if (!error) {
- error = git_object_lookup(out, repo, git_reference_target(ref), GIT_OBJ_ANY);
- git_reference_free(ref);
+
+ error = git_object_lookup(
+ object_out, repo, git_reference_target(ref), GIT_OBJ_ANY);
+
+ if (!error)
+ *reference_out = ref;
+
return error;
}
if (error < 0 && error != GIT_ENOTFOUND)
return error;
- error = maybe_abbrev(out, repo, spec);
+ error = maybe_abbrev(object_out, repo, spec);
if (!error)
return 0;
if (error < 0 && error != GIT_ENOTFOUND)
return error;
- error = maybe_describe(out, repo, spec);
+ error = maybe_describe(object_out, repo, spec);
if (!error)
return 0;
@@ -617,14 +626,8 @@ static int ensure_base_rev_loaded(git_object **object, git_reference **reference
if (*object != NULL)
return 0;
- if (*reference != NULL) {
- if ((error = object_from_reference(object, *reference)) < 0)
- return error;
-
- git_reference_free(*reference);
- *reference = NULL;
- return 0;
- }
+ if (*reference != NULL)
+ return object_from_reference(object, *reference);
if (!allow_empty_identifier && identifier_len == 0)
return GIT_EINVALIDSPEC;
@@ -632,7 +635,7 @@ static int ensure_base_rev_loaded(git_object **object, git_reference **reference
if (git_buf_put(&identifier, spec, identifier_len) < 0)
return -1;
- error = revparse_lookup_object(object, repo, git_buf_cstr(&identifier));
+ error = revparse_lookup_object(object, reference, repo, git_buf_cstr(&identifier));
git_buf_free(&identifier);
return error;
@@ -668,7 +671,12 @@ static int ensure_left_hand_identifier_is_not_known_yet(git_object *object, git_
return GIT_EINVALIDSPEC;
}
-int git_revparse_single(git_object **out, git_repository *repo, const char *spec)
+int revparse__ext(
+ git_object **object_out,
+ git_reference **reference_out,
+ int *identifier_len_out,
+ git_repository *repo,
+ const char *spec)
{
size_t pos = 0, identifier_len = 0;
int error = -1, n;
@@ -677,9 +685,10 @@ int git_revparse_single(git_object **out, git_repository *repo, const char *spec
git_reference *reference = NULL;
git_object *base_rev = NULL;
- assert(out && repo && spec);
+ assert(object_out && reference_out && repo && spec);
- *out = NULL;
+ *object_out = NULL;
+ *reference_out = NULL;
while (spec[pos]) {
switch (spec[pos]) {
@@ -798,7 +807,9 @@ int git_revparse_single(git_object **out, git_repository *repo, const char *spec
if ((error = ensure_base_rev_loaded(&base_rev, &reference, spec, identifier_len, repo, false)) < 0)
goto cleanup;
- *out = base_rev;
+ *object_out = base_rev;
+ *reference_out = reference;
+ *identifier_len_out = identifier_len;
error = 0;
cleanup:
@@ -808,12 +819,59 @@ cleanup:
"Failed to parse revision specifier - Invalid pattern '%s'", spec);
git_object_free(base_rev);
+ git_reference_free(reference);
}
- git_reference_free(reference);
+
git_buf_free(&buf);
return error;
}
+int git_revparse_ext(
+ git_object **object_out,
+ git_reference **reference_out,
+ git_repository *repo,
+ const char *spec)
+{
+ int error, identifier_len;
+ git_object *obj = NULL;
+ git_reference *ref = NULL;
+
+ if ((error = revparse__ext(&obj, &ref, &identifier_len, repo, spec)) < 0)
+ goto cleanup;
+
+ *object_out = obj;
+ *reference_out = ref;
+
+ return 0;
+
+cleanup:
+ git_object_free(obj);
+ git_reference_free(ref);
+ return error;
+}
+
+int git_revparse_single(git_object **out, git_repository *repo, const char *spec)
+{
+ int error;
+ git_object *obj = NULL;
+ git_reference *ref = NULL;
+
+ *out = NULL;
+
+ if ((error = git_revparse_ext(&obj, &ref, repo, spec)) < 0)
+ goto cleanup;
+
+ git_reference_free(ref);
+
+ *out = obj;
+
+ return 0;
+
+cleanup:
+ git_object_free(obj);
+ git_reference_free(ref);
+ return error;
+}
int git_revparse(
git_revspec *revspec,