[PATCHv18 00/11] Expose

[Stefan Beller <sbeller@google.com>]

* fixes the test breakage (which was caused by a last minute fix :/ to the
  prefix variable handling)
* include the separately sent patch to not call fwrite in case of length 0

Thanks,
Stefan

Interdiff to v17:

diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
index 9d94406..882aeca 100644
--- a/builtin/submodule--helper.c
+++ b/builtin/submodule--helper.c
@@ -465,14 +465,14 @@ static int update_clone(int argc, const char **argv, const char *prefix)
 		NULL
 	};
 
-	argc = parse_options(argc, argv, prefix, module_update_clone_options,
+	argc = parse_options(argc, argv, suc.prefix, module_update_clone_options,
 			     git_submodule_helper_usage, 0);
 
 	if (update)
 		if (parse_submodule_update_strategy(update, &suc.update) < 0)
 			die(_("bad value for update parameter"));
 
-	if (module_list_compute(argc, argv, prefix, &pathspec, &suc.list) < 0)
+	if (module_list_compute(argc, argv, suc.prefix, &pathspec, &suc.list) < 0)
 		return 1;
 
 	if (pathspec.nr)
diff --git a/strbuf.c b/strbuf.c
index 71345cd..5f6da82 100644
--- a/strbuf.c
+++ b/strbuf.c
@@ -397,7 +397,7 @@ ssize_t strbuf_read_once(struct strbuf *sb, int fd, size_t hint)
 
 ssize_t strbuf_write(struct strbuf *sb, FILE *f)
 {
-	return fwrite(sb->buf, 1, sb->len, f);
+	return sb->len ? fwrite(sb->buf, 1, sb->len, f) : 0;
 }
 
Stefan Beller (11):
  submodule-config: keep update strategy around
  submodule-config: drop check against NULL
  fetching submodules: respect `submodule.fetchJobs` config option
  submodule update: direct error message to stderr
  run_processes_parallel: treat output of children as byte array
  run-command: expose default_{start_failure, task_finished}
  run_processes_parallel: rename parameters for the callbacks
  run_processes_parallel: correctly terminate callbacks with an LF
  git submodule update: have a dedicated helper for cloning
  submodule update: expose parallelism to the user
  clone: allow an explicit argument for parallel submodule clones

 Documentation/config.txt        |   6 +
 Documentation/git-clone.txt     |   6 +-
 Documentation/git-submodule.txt |   7 +-
 builtin/clone.c                 |  19 ++-
 builtin/fetch.c                 |   2 +-
 builtin/submodule--helper.c     | 254 ++++++++++++++++++++++++++++++++++++++++
 git-submodule.sh                |  56 ++++-----
 run-command.c                   |  36 +++---
 run-command.h                   |  29 ++++-
 strbuf.c                        |   6 +
 strbuf.h                        |   6 +
 submodule-config.c              |  19 ++-
 submodule-config.h              |   2 +
 submodule.c                     |  37 +++++-
 submodule.h                     |  18 +++
 t/t5526-fetch-submodules.sh     |  14 +++
 t/t7400-submodule-basic.sh      |   4 +-
 t/t7406-submodule-update.sh     |  27 +++++
 18 files changed, 477 insertions(+), 71 deletions(-)

-- 
2.7.0.rc0.36.g75877e4.dirty