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[PATCHv8 1/6] submodule: use absolute path for computing relative path connecting

From
Stefan Beller <sbeller@google.com>
Date
Dec 12, 2016, 19:04 UTC
Message-ID
<20161212190435.10358-2-sbeller@google.com>
In-Reply-To
<20161212190435.10358-1-sbeller@google.com>

The current caller of connect_work_tree_and_git_dir passes an absolute path for the `git_dir` parameter. In the future patch we will also pass in relative path for `git_dir`. Extend the functionality of connect_work_tree_and_git_dir to take relative paths for parameters.

We could work around this in the future patch by computing the absolute path for the git_dir in the calling site, however accepting relative paths for either parameter makes the API for this function much harder to misuse.

Signed-off-by: Stefan Beller <sbeller@google.com>
---
 submodule.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/submodule.c b/submodule.c
index 6f7d883de9..d4f7afe2f1 100644
--- a/submodule.c
+++ b/submodule.c
@@ -1223,27 +1223,28 @@ int merge_submodule(unsigned char result[20], const char *path,
 }
 
 /* Update gitfile and core.worktree setting to connect work tree and git dir */
-void connect_work_tree_and_git_dir(const char *work_tree, const char *git_dir)
+void connect_work_tree_and_git_dir(const char *work_tree_, const char *git_dir_)
 {
 	struct strbuf file_name = STRBUF_INIT;
 	struct strbuf rel_path = STRBUF_INIT;
-	const char *real_work_tree = xstrdup(real_path(work_tree));
+	char *git_dir = xstrdup(real_path(git_dir_));
+	char *work_tree = xstrdup(real_path(work_tree_));
 
 	/* Update gitfile */
 	strbuf_addf(&file_name, "%s/.git", work_tree);
 	write_file(file_name.buf, "gitdir: %s",
-		   relative_path(git_dir, real_work_tree, &rel_path));
+		   relative_path(git_dir, work_tree, &rel_path));
 
 	/* Update core.worktree setting */
 	strbuf_reset(&file_name);
 	strbuf_addf(&file_name, "%s/config", git_dir);
 	git_config_set_in_file(file_name.buf, "core.worktree",
-			       relative_path(real_work_tree, git_dir,
-					     &rel_path));
+			       relative_path(work_tree, git_dir, &rel_path));
 
 	strbuf_release(&file_name);
 	strbuf_release(&rel_path);
-	free((void *)real_work_tree);
+	free(work_tree);
+	free(git_dir);
 }
 
 int parallel_submodules(void)
-- 
2.11.0.rc2.49.ge1f3b0c.dirty
Previous: Stefan BellerNext: Stefan Beller
Message 2 of 12 in “[PATCHv7 0/6] submodule absorbgitdirs”
  1. Stefan BellerDec 12, 2016
  2. 1/6 submodule: use absolute path for computing relative path connectingStefan Beller, Dec 12, 2016
  3. 2/6 submodule helper: support super prefixStefan Beller, Dec 12, 2016
  4. 4/6 worktree: check if a submodule uses worktreesStefan Beller, Dec 12, 2016
  5. 5/6 move connect_work_tree_and_git_dir to dir.hStefan Beller, Dec 12, 2016
  6. 3/6 test-lib-functions.sh: teach test_commit -C <dir>Stefan Beller, Dec 12, 2016
  7. 6/6 submodule: add absorb-git-dir functionStefan Beller, Dec 12, 2016
  8. Duy NguyenDec 19, 2016
  9. Stefan BellerDec 19, 2016
  10. Duy NguyenDec 20, 2016
  11. Brandon WilliamsDec 12, 2016
  12. Stefan BellerDec 12, 2016

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