Bind the configuration and remotes to a repository

Configurations when taken from a repository and remotes should be
identifiable as coming from a particular repository. This allows us to
reduce the amount of variables that the user has to keep track of.

Signed-off-by: Carlos Martín Nieto <carlos@cmartin.tk>

src/config.h

@@ -4,12 +4,14 @@
 #include "git2.h"
 #include "git2/config.h"
 #include "vector.h"
+#include "repository.h"
 
 #define GIT_CONFIG_FILENAME ".gitconfig"
 #define GIT_CONFIG_FILENAME_INREPO "config"
 
 struct git_config {
 	git_vector files;
+	git_repository *repo;
 };
 
 #endif

src/fetch.c

@@ -48,11 +48,12 @@ static int whn_cmp(const void *a, const void *b)
  * FIXME: we assume that the transport has been connected, enforce
  * that somehow, we also want to be called from _negotiate
  */
-int git_fetch_list_want(git_headarray *whn_list, git_repository *repo, git_remote *remote)
+int git_fetch_list_want(git_headarray *whn_list, git_remote *remote)
 {
 	git_vector list;
 	git_headarray refs;
 	git_transport *t = remote->transport;
+	git_repository *repo = remote->repo;
 	const git_refspec *spec;
 	int error;
 	unsigned int i;
@@ -136,13 +137,14 @@ cleanup:
  * them out. When we get an ACK we hide that commit and continue
  * traversing until we're done
  */
-int git_fetch_negotiate(git_headarray *list, git_repository *repo, git_remote *remote)
+int git_fetch_negotiate(git_headarray *list, git_remote *remote)
 {
 	git_revwalk *walk;
 	int error;
 	unsigned int i;
 	git_reference *ref;
 	git_strarray refs;
+	git_repository *repo = remote->repo;
 	git_oid oid;
 
 	/* Don't try to negotiate when we don't want anything */
@@ -195,7 +197,7 @@ cleanup:
 	return error;
 }
 
-int git_fetch_download_pack(git_remote *remote, git_repository *repo)
+int git_fetch_download_pack(git_remote *remote)
 {
-	return git_transport_download_pack(remote->transport, repo);
+	return git_transport_download_pack(remote->transport, remote->repo);
 }

src/remote.c

@@ -110,6 +110,7 @@ int git_remote_get(git_remote **out, git_config *cfg, const char *name)
 		goto cleanup;
 	}
 
+	remote->repo = cfg->repo;
 	remote->url = git__strdup(val);
 	if (remote->url == NULL) {
 		error = GIT_ENOMEM;

src/remote.h

@@ -11,6 +11,7 @@ struct git_remote {
 	struct git_refspec fetch;
 	struct git_refspec push;
 	git_transport *transport;
+	git_repository *repo;
 };
 
 #endif

src/repository.c

@@ -317,6 +317,7 @@ int git_repository_config(
 			goto cleanup;
 	}
 
+	(*out)->repo = repo;
 	return GIT_SUCCESS;
 
 cleanup: