[GSoC] [PATCH v4 0/8] submodule: convert the rest of 'add' to C

[Atharva Raykar <raykar.ath@gmail.com>]

Changes since v3:

* Rename the libified dir helper and update the docstring.

Atharva Raykar (8):
  submodule--helper: add options for compute_submodule_clone_url()
  submodule--helper: refactor resolve_relative_url() helper
  submodule--helper: remove repeated code in sync_submodule()
  dir: libify and export helper functions from clone.c
  submodule--helper: convert the bulk of cmd_add() to C
  submodule--helper: remove add-clone subcommand
  submodule--helper: remove add-config subcommand
  submodule--helper: remove resolve-relative-url subcommand

 builtin/clone.c             | 118 +-------------
 builtin/submodule--helper.c | 307 +++++++++++++++++++-----------------
 dir.c                       | 114 +++++++++++++
 dir.h                       |  10 ++
 git-submodule.sh            |  96 +----------
 5 files changed, 290 insertions(+), 355 deletions(-)

Range-diff against v3:
-:  ---------- > 1:  75edf24186 submodule--helper: add options for compute_submodule_clone_url()
-:  ---------- > 2:  8e7a3e727a submodule--helper: refactor resolve_relative_url() helper
-:  ---------- > 3:  82961ddd02 submodule--helper: remove repeated code in sync_submodule()
1:  99d139375d ! 4:  fa97d6801e dir: libify and export helper functions from clone.c
    @@ builtin/clone.c: int cmd_clone(int argc, const char **argv, const char *prefix)
      	else
     -		dir = guess_dir_name(repo_name, is_bundle, option_bare);
     -	strip_trailing_slashes(dir);
    -+		dir = guess_target_dir_from_git_url(repo_name, is_bundle, option_bare);
    ++		dir = git_url_basename(repo_name, is_bundle, option_bare);
     +	strip_dir_trailing_slashes(dir);
      
      	dest_exists = path_exists(dir);
    @@ dir.c: int is_empty_dir(const char *path)
      	return ret;
      }
      
    -+char *guess_target_dir_from_git_url(const char *repo, int is_bundle, int is_bare)
    ++char *git_url_basename(const char *repo, int is_bundle, int is_bare)
     +{
     +	const char *end = repo + strlen(repo), *start, *ptr;
     +	size_t len;
    @@ dir.h: static inline int is_dot_or_dotdot(const char *name)
      int is_empty_dir(const char *dir);
      
     +/*
    -+ * Retrieve a target directory name by reading "humanish" part of the
    -+ * given Git URL.
    ++ * Retrieve the "humanish" basename of the given Git URL.
     + *
     + * For example:
     + * 	/path/to/repo.git => "repo"
     + * 	host.xz.foo/.git => "foo"
     + */
    -+char *guess_target_dir_from_git_url(const char *repo, int is_bundle, int is_bare);
    ++char *git_url_basename(const char *repo, int is_bundle, int is_bare);
     +void strip_dir_trailing_slashes(char *dir);
     +
      void setup_standard_excludes(struct dir_struct *dir);
2:  11eea777ba ! 5:  a3aa25518d submodule--helper: convert the bulk of cmd_add() to C
    @@ builtin/submodule--helper.c: static int add_config(int argc, const char **argv,
     +
     +	add_data.repo = argv[0];
     +	if (argc == 1)
    -+		add_data.sm_path = guess_target_dir_from_git_url(add_data.repo, 0, 0);
    ++		add_data.sm_path = git_url_basename(add_data.repo, 0, 0);
     +	else
     +		add_data.sm_path = xstrdup(argv[1]);
     +
3:  51393cd99b = 6:  9667159d4b submodule--helper: remove add-clone subcommand
4:  50cedcd8a8 = 7:  dc87b5627a submodule--helper: remove add-config subcommand
5:  02558da532 = 8:  ea08e4fbad submodule--helper: remove resolve-relative-url subcommand
-- 
2.32.0