remote: add resfpec list accessors

Bring back a way of acessing the git_refspec* from a remote.

Closes #1514

include/git2/refspec.h

@@ -9,6 +9,7 @@
 
 #include "common.h"
 #include "types.h"
+#include "net.h"
 
 /**
  * @file git2/refspec.h

include/git2/remote.h

@@ -190,6 +190,32 @@ GIT_EXTERN(int) git_remote_get_push_refspecs(git_strarray *array, git_remote *re
  */
 GIT_EXTERN(void) git_remote_clear_refspecs(git_remote *remote);
 
+/**
+ * Get the number of refspecs for a remote
+ *
+ * @param remote the remote
+ * @return the amount of refspecs configured in this remote
+ */
+GIT_EXTERN(size_t) git_remote_refspec_count(git_remote *remote);
+
+/**
+ * Get a refspec from the remote
+ *
+ * @param remote the remote to query
+ * @param n the refspec to get
+ * @return the nth refspec
+ */
+GIT_EXTERN(const git_refspec *)git_remote_get_refspec(git_remote *remote, size_t n);
+
+/**
+ * Remove a refspec from the remote
+ *
+ * @param remote the remote to query
+ * @param n the refspec to remove
+ * @return 0 or GIT_ENOTFOUND
+ */
+GIT_EXTERN(int) git_remote_remove_refspec(git_remote *remote, size_t n);
+
 /**
  * Open a connection to a remote
  *

src/remote.c

@@ -8,6 +8,7 @@
 #include "git2/config.h"
 #include "git2/types.h"
 #include "git2/oid.h"
+#include "git2/net.h"
 
 #include "config.h"
 #include "repository.h"
@@ -1574,3 +1575,28 @@ int git_remote_get_push_refspecs(git_strarray *array, git_remote *remote)
 {
 	return copy_refspecs(array, remote, true);
 }
+
+size_t git_remote_refspec_count(git_remote *remote)
+{
+	return remote->refspecs.length;
+}
+
+const git_refspec *git_remote_get_refspec(git_remote *remote, size_t n)
+{
+	return git_vector_get(&remote->refspecs, n);
+}
+
+int git_remote_remove_refspec(git_remote *remote, size_t n)
+{
+	git_refspec *spec;
+
+	assert(remote);
+
+	spec = git_vector_get(&remote->refspecs, n);
+	if (spec) {
+		git_refspec__free(spec);
+		git__free(spec);
+	}
+
+	return git_vector_remove(&remote->refspecs, n);
+}

tests-clar/clone/nonetwork.c

@@ -149,7 +149,7 @@ void test_clone_nonetwork__custom_fetch_spec(void)
 	cl_git_pass(git_clone(&g_repo, cl_git_fixture_url("testrepo.git"), "./foo", &g_options));
 
 	cl_git_pass(git_remote_load(&g_remote, g_repo, "origin"));
-	actual_fs = git_vector_get(&g_remote->refspecs, 0);
+	actual_fs = git_remote_get_refspec(g_remote, 0);
 	cl_assert_equal_s("refs/heads/master", git_refspec_src(actual_fs));
 	cl_assert_equal_s("refs/heads/foo", git_refspec_dst(actual_fs));
 
@@ -165,7 +165,7 @@ void test_clone_nonetwork__custom_push_spec(void)
 	cl_git_pass(git_clone(&g_repo, cl_git_fixture_url("testrepo.git"), "./foo", &g_options));
 
 	cl_git_pass(git_remote_load(&g_remote, g_repo, "origin"));
-	actual_fs = git_vector_get(&g_remote->refspecs, g_remote->refspecs.length - 1);
+	actual_fs = git_remote_get_refspec(g_remote, git_remote_refspec_count(g_remote) - 1);
 	cl_assert_equal_s("refs/heads/master", git_refspec_src(actual_fs));
 	cl_assert_equal_s("refs/heads/foo", git_refspec_dst(actual_fs));
 }

tests-clar/network/remote/remotes.c

@@ -13,7 +13,7 @@ void test_network_remote_remotes__initialize(void)
 
 	cl_git_pass(git_remote_load(&_remote, _repo, "test"));
 
-	_refspec = git_vector_get(&_remote->refspecs, 0);
+	_refspec = git_remote_get_refspec(_remote, 0);
 	cl_assert(_refspec != NULL);
 }
 
@@ -113,15 +113,14 @@ void test_network_remote_remotes__add_fetchspec(void)
 {
 	size_t size;
 
-	size = _remote->refspecs.length;
-	cl_assert_equal_i(size, _remote->refspecs.length);
+	size = git_remote_refspec_count(_remote);
 
 	cl_git_pass(git_remote_add_fetch(_remote, "refs/*:refs/*"));
 
 	size++;
-	cl_assert_equal_i(size, _remote->refspecs.length);
+	cl_assert_equal_i(size, git_remote_refspec_count(_remote));
 
-	_refspec = git_vector_get(&_remote->refspecs, size-1);
+	_refspec = git_remote_get_refspec(_remote, size - 1);
 	cl_assert_equal_s(git_refspec_src(_refspec), "refs/*");
 	cl_assert_equal_s(git_refspec_dst(_refspec), "refs/*");
 	cl_assert_equal_s(git_refspec_string(_refspec), "refs/*:refs/*");
@@ -132,13 +131,13 @@ void test_network_remote_remotes__add_pushspec(void)
 {
 	size_t size;
 
-	size = _remote->refspecs.length;
+	size = git_remote_refspec_count(_remote);
 
 	cl_git_pass(git_remote_add_push(_remote, "refs/*:refs/*"));
 	size++;
-	cl_assert_equal_i(size, _remote->refspecs.length);
+	cl_assert_equal_i(size, git_remote_refspec_count(_remote));
 
-	_refspec = git_vector_get(&_remote->refspecs, size-1);
+	_refspec = git_remote_get_refspec(_remote, size - 1);
 	cl_assert_equal_s(git_refspec_src(_refspec), "refs/*");
 	cl_assert_equal_s(git_refspec_dst(_refspec), "refs/*");
 	cl_assert_equal_s(git_refspec_string(_refspec), "refs/*:refs/*");