vendor/libgit2/src/fetch.c in rugged-1.3.2.3 vs vendor/libgit2/src/fetch.c in rugged-1.4.2

@@ -9,19 +9,20 @@
 
 #include "git2/oid.h"
 #include "git2/refs.h"
 #include "git2/revwalk.h"
 #include "git2/transport.h"
+#include "git2/sys/remote.h"
 
 #include "remote.h"
 #include "refspec.h"
 #include "pack.h"
 #include "netops.h"
 #include "repository.h"
 #include "refs.h"
 
-static int maybe_want(git_remote *remote, git_remote_head *head, git_odb *odb, git_refspec *tagspec, git_remote_autotag_option_t tagopt)
+static int maybe_want(git_remote *remote, git_remote_head *head, git_refspec *tagspec, git_remote_autotag_option_t tagopt)
 {
 	int match = 0, valid;
 
 	if (git_reference_name_is_valid(&valid, head->name) < 0)
 		return -1;
@@ -42,27 +43,61 @@
 		match = 1;
 
 	if (!match)
 		return 0;
 
-	/* If we have the object, mark it so we don't ask for it */
-	if (git_odb_exists(odb, &head->oid)) {
-		head->local = 1;
+	return git_vector_insert(&remote->refs, head);
+}
+
+static int mark_local(git_remote *remote)
+{
+	git_remote_head *head;
+	git_odb *odb;
+	size_t i;
+
+	if (git_repository_odb__weakptr(&odb, remote->repo) < 0)
+		return -1;
+
+	git_vector_foreach(&remote->refs, i, head) {
+		/* If we have the object, mark it so we don't ask for it */
+		if (git_odb_exists(odb, &head->oid))
+			head->local = 1;
+		else
+			remote->need_pack = 1;
 	}
-	else
-		remote->need_pack = 1;
 
-	return git_vector_insert(&remote->refs, head);
+	return 0;
 }
 
+static int maybe_want_oid(git_remote *remote, git_refspec *spec)
+{
+	git_remote_head *oid_head;
+
+	oid_head = git__calloc(1, sizeof(git_remote_head));
+	GIT_ERROR_CHECK_ALLOC(oid_head);
+
+	git_oid_fromstr(&oid_head->oid, spec->src);
+	oid_head->name = git__strdup(spec->dst);
+	GIT_ERROR_CHECK_ALLOC(oid_head->name);
+
+	if (git_vector_insert(&remote->local_heads, oid_head) < 0 ||
+	    git_vector_insert(&remote->refs, oid_head) < 0)
+		return -1;
+
+	return 0;
+}
+
 static int filter_wants(git_remote *remote, const git_fetch_options *opts)
 {
 	git_remote_head **heads;
-	git_refspec tagspec, head;
+	git_refspec tagspec, head, *spec;
 	int error = 0;
 	git_odb *odb;
 	size_t i, heads_len;
+	unsigned int remote_caps;
+	unsigned int oid_mask = GIT_REMOTE_CAPABILITY_TIP_OID |
+	                        GIT_REMOTE_CAPABILITY_REACHABLE_OID;
 	git_remote_autotag_option_t tagopt = remote->download_tags;
 
 	if (opts && opts->download_tags != GIT_REMOTE_DOWNLOAD_TAGS_UNSPECIFIED)
 		tagopt = opts->download_tags;
 
@@ -85,21 +120,40 @@
 
 		if (error < 0)
 			goto cleanup;
 	}
 
-	if (git_repository_odb__weakptr(&odb, remote->repo) < 0)
+	if ((error = git_repository_odb__weakptr(&odb, remote->repo)) < 0)
 		goto cleanup;
 
-	if (git_remote_ls((const git_remote_head ***)&heads, &heads_len, remote) < 0)
+	if ((error = git_remote_ls((const git_remote_head ***)&heads, &heads_len, remote)) < 0 ||
+	    (error = git_remote_capabilities(&remote_caps, remote)) < 0)
 		goto cleanup;
 
+	/* Handle remote heads */
 	for (i = 0; i < heads_len; i++) {
-		if ((error = maybe_want(remote, heads[i], odb, &tagspec, tagopt)) < 0)
-			break;
+		if ((error = maybe_want(remote, heads[i], &tagspec, tagopt)) < 0)
+			goto cleanup;
 	}
 
+	/* Handle explicitly specified OID specs */
+	git_vector_foreach(&remote->active_refspecs, i, spec) {
+		if (!git_oid__is_hexstr(spec->src))
+			continue;
+
+		if (!(remote_caps & oid_mask)) {
+			git_error_set(GIT_ERROR_INVALID, "cannot fetch a specific object from the remote repository");
+			error = -1;
+			goto cleanup;
+		}
+
+		if ((error = maybe_want_oid(remote, spec)) < 0)
+			goto cleanup;
+	}
+
+	error = mark_local(remote);
+
 cleanup:
 	git_refspec__dispose(&tagspec);
 
 	return error;
 }
@@ -113,14 +167,12 @@
 {
 	git_transport *t = remote->transport;
 
 	remote->need_pack = 0;
 
-	if (filter_wants(remote, opts) < 0) {
-		git_error_set(GIT_ERROR_NET, "failed to filter the reference list for wants");
+	if (filter_wants(remote, opts) < 0)
 		return -1;
-	}
 
 	/* Don't try to negotiate when we don't want anything */
 	if (!remote->need_pack)
 		return 0;
 
@@ -132,24 +184,17 @@
 		remote->repo,
 		(const git_remote_head * const *)remote->refs.contents,
 		remote->refs.length);
 }
 
-int git_fetch_download_pack(git_remote *remote, const git_remote_callbacks *callbacks)
+int git_fetch_download_pack(git_remote *remote)
 {
 	git_transport *t = remote->transport;
-	git_indexer_progress_cb progress = NULL;
-	void *payload = NULL;
 
 	if (!remote->need_pack)
 		return 0;
 
-	if (callbacks) {
-		progress = callbacks->transfer_progress;
-		payload  = callbacks->payload;
-	}
-
-	return t->download_pack(t, remote->repo, &remote->stats, progress, payload);
+	return t->download_pack(t, remote->repo, &remote->stats);
 }
 
 int git_fetch_options_init(git_fetch_options *opts, unsigned int version)
 {
 	GIT_INIT_STRUCTURE_FROM_TEMPLATE(