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[PATCH 7/9] init: use get_git_work_tree() instead of rolling our own

From
Johannes Schindelin <johannes.schindelin@gmx.de>
Date
Jul 29, 2007, 23:25 UTC
Message-ID
<Pine.LNX.4.64.0707300025500.14781@racer.site>
In-Reply-To
<Pine.LNX.4.64.0707300016470.14781@racer.site>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
---
 builtin-init-db.c |   48 +++++++++++-------------------------------------
 1 files changed, 11 insertions(+), 37 deletions(-)
diff --git a/builtin-init-db.c b/builtin-init-db.c
index 66ddaeb..0d9b1e0 100644
--- a/builtin-init-db.c
+++ b/builtin-init-db.c
@@ -174,36 +174,7 @@ static void copy_templates(const char *git_dir, int len, const char *template_di
 	closedir(dir);
 }
 
-/*
- * Get the full path to the working tree specified in $GIT_WORK_TREE
- * or NULL if no working tree is specified.
- */
-static const char *get_work_tree(void)
-{
-	const char *git_work_tree;
-	char cwd[PATH_MAX];
-	static char worktree[PATH_MAX];
-
-	git_work_tree = getenv(GIT_WORK_TREE_ENVIRONMENT);
-	if (!git_work_tree)
-		return NULL;
-	if (!getcwd(cwd, sizeof(cwd)))
-		die("Unable to read current working directory");
-	if (chdir(git_work_tree))
-		die("Cannot change directory to specified working tree '%s'",
-			git_work_tree);
-	if (git_work_tree[0] != '/') {
-		if (!getcwd(worktree, sizeof(worktree)))
-			die("Unable to read current working directory");
-		git_work_tree = worktree;
-	}
-	if (chdir(cwd))
-		die("Cannot come back to cwd");
-	return git_work_tree;
-}
-
-static int create_default_files(const char *git_dir, const char *git_work_tree,
-	const char *template_path)
+static int create_default_files(const char *git_dir, const char *template_path)
 {
 	unsigned len = strlen(git_dir);
 	static char path[PATH_MAX];
@@ -282,16 +253,16 @@ static int create_default_files(const char *git_dir, const char *git_work_tree,
 	}
 	git_config_set("core.filemode", filemode ? "true" : "false");
 
-	if (is_bare_repository() && !git_work_tree) {
+	if (is_bare_repository())
 		git_config_set("core.bare", "true");
-	}
 	else {
+		const char *work_tree = get_git_work_tree();
 		git_config_set("core.bare", "false");
 		/* allow template config file to override the default */
 		if (log_all_ref_updates == -1)
 		    git_config_set("core.logallrefupdates", "true");
-		if (git_work_tree)
-			git_config_set("core.worktree", git_work_tree);
+		if (work_tree != git_work_tree_cfg)
+			git_config_set("core.worktree", work_tree);
 	}
 	return reinit;
 }
@@ -308,7 +279,6 @@ static const char init_db_usage[] =
 int cmd_init_db(int argc, const char **argv, const char *prefix)
 {
 	const char *git_dir;
-	const char *git_work_tree;
 	const char *sha1_dir;
 	const char *template_dir = NULL;
 	char *path;
@@ -329,7 +299,11 @@ int cmd_init_db(int argc, const char **argv, const char *prefix)
 			usage(init_db_usage);
 	}
 
-	git_work_tree = get_work_tree();
+	git_work_tree_cfg = xcalloc(PATH_MAX, 1);
+	if (!getcwd(git_work_tree_cfg, PATH_MAX))
+		die ("Cannot access current working directory.");
+	if (access(get_git_work_tree(), X_OK))
+		die ("Cannot access work tree '%s'", get_git_work_tree());
 
 	/*
 	 * Set up the default .git directory contents
@@ -346,7 +320,7 @@ int cmd_init_db(int argc, const char **argv, const char *prefix)
 	 */
 	check_repository_format();
 
-	reinit = create_default_files(git_dir, git_work_tree, template_dir);
+	reinit = create_default_files(git_dir, template_dir);
 
 	/*
 	 * And set up the object store.
-- 
1.5.3.rc3.28.g1406
Previous: Johannes SchindelinNext: Johannes Schindelin
Message 8 of 30 in “work-tree clean ups”
  1. 0/9 work-tree clean upsJohannes Schindelin, Jul 29, 2007
  2. 1/9 Add is_absolute_path() and make_absolute_path()Johannes Schindelin, Jul 29, 2007
  3. 2/9 Add functions get_relative_cwd() and is_inside_dir()Johannes Schindelin, Jul 29, 2007
  4. 3/9 white space fixes in setup.cJohannes Schindelin, Jul 29, 2007
  5. 4/9 Clean up work-tree handlingJohannes Schindelin, Jul 29, 2007
  6. 5/9 Add set_git_dir() functionJohannes Schindelin, Jul 29, 2007
  7. 6/9 work-trees are allowed inside a git-dirJohannes Schindelin, Jul 29, 2007
  8. 7/9 init: use get_git_work_tree() instead of rolling our ownJohannes Schindelin, Jul 29, 2007
  9. 8/9 Fix t1501 for updated work-tree logicJohannes Schindelin, Jul 29, 2007
  10. 9/9 Fix t1500 for sane work-tree behaviorJohannes Schindelin, Jul 29, 2007
  11. Die if core.bare = true and core.worktree is setJohannes Schindelin, Jul 29, 2007
  12. Johannes SchindelinAug 1, 2007
  13. 1/4 Add is_absolute_path() and make_absolute_path()Johannes Schindelin, Aug 1, 2007
  14. 2/4 Add functions get_relative_cwd() and is_inside_dir()Johannes Schindelin, Aug 1, 2007
  15. Junio C HamanoAug 1, 2007
  16. Junio C HamanoAug 1, 2007
  17. Johannes SchindelinAug 1, 2007
  18. Make get_relative_cwd() not accept NULL for a directoryJohannes Schindelin, Aug 1, 2007
  19. Junio C HamanoAug 1, 2007
  20. get_relative_cwd(): clarify why it handles dir == NULLJohannes Schindelin, Aug 1, 2007
  21. 3/4 Add set_git_dir() functionJohannes Schindelin, Aug 1, 2007
  22. 4/4 Clean up work-tree handlingJohannes Schindelin, Aug 1, 2007
  23. Junio C HamanoAug 1, 2007
  24. Johannes SchindelinAug 1, 2007
  25. Junio C HamanoAug 2, 2007
  26. Junio C HamanoAug 1, 2007
  27. Johannes SchindelinAug 1, 2007
  28. Junio C HamanoAug 1, 2007
  29. Johannes SchindelinAug 1, 2007
  30. Johannes SchindelinAug 1, 2007

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