[PATCH v2 4/4] real_path: have callers use real_pathdup and strbuf_realpath

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Migrate callers of real_path() who duplicate the retern value to use
real_pathdup or strbuf_realpath.

Signed-off-by: Brandon Williams <bmwill@xxxxxxxxxx>
---
 builtin/init-db.c |  6 +++---
 environment.c     |  2 +-
 setup.c           | 15 +++++++++------
 sha1_file.c       |  2 +-
 submodule.c       |  2 +-
 transport.c       |  2 +-
 worktree.c        |  2 +-
 7 files changed, 17 insertions(+), 14 deletions(-)

diff --git a/builtin/init-db.c b/builtin/init-db.c
index 2399b97..76d68fa 100644
--- a/builtin/init-db.c
+++ b/builtin/init-db.c
@@ -338,7 +338,7 @@ int init_db(const char *git_dir, const char *real_git_dir,
 {
 	int reinit;
 	int exist_ok = flags & INIT_DB_EXIST_OK;
-	char *original_git_dir = xstrdup(real_path(git_dir));
+	char *original_git_dir = real_pathdup(git_dir);
 
 	if (real_git_dir) {
 		struct stat st;
@@ -489,7 +489,7 @@ int cmd_init_db(int argc, const char **argv, const char *prefix)
 	argc = parse_options(argc, argv, prefix, init_db_options, init_db_usage, 0);
 
 	if (real_git_dir && !is_absolute_path(real_git_dir))
-		real_git_dir = xstrdup(real_path(real_git_dir));
+		real_git_dir = real_pathdup(real_git_dir);
 
 	if (argc == 1) {
 		int mkdir_tried = 0;
@@ -560,7 +560,7 @@ int cmd_init_db(int argc, const char **argv, const char *prefix)
 		const char *git_dir_parent = strrchr(git_dir, '/');
 		if (git_dir_parent) {
 			char *rel = xstrndup(git_dir, git_dir_parent - git_dir);
-			git_work_tree_cfg = xstrdup(real_path(rel));
+			git_work_tree_cfg = real_pathdup(rel);
 			free(rel);
 		}
 		if (!git_work_tree_cfg)
diff --git a/environment.c b/environment.c
index 0935ec6..9b943d2 100644
--- a/environment.c
+++ b/environment.c
@@ -259,7 +259,7 @@ void set_git_work_tree(const char *new_work_tree)
 		return;
 	}
 	git_work_tree_initialized = 1;
-	work_tree = xstrdup(real_path(new_work_tree));
+	work_tree = real_pathdup(new_work_tree);
 }
 
 const char *get_git_work_tree(void)
diff --git a/setup.c b/setup.c
index fe572b8..0d9fdd0 100644
--- a/setup.c
+++ b/setup.c
@@ -254,10 +254,12 @@ int get_common_dir_noenv(struct strbuf *sb, const char *gitdir)
 		if (!is_absolute_path(data.buf))
 			strbuf_addf(&path, "%s/", gitdir);
 		strbuf_addbuf(&path, &data);
-		strbuf_addstr(sb, real_path(path.buf));
+		strbuf_realpath(sb, path.buf, 1);
 		ret = 1;
-	} else
+	} else {
 		strbuf_addstr(sb, gitdir);
+	}
+
 	strbuf_release(&data);
 	strbuf_release(&path);
 	return ret;
@@ -692,7 +694,7 @@ static const char *setup_discovered_git_dir(const char *gitdir,
 	/* --work-tree is set without --git-dir; use discovered one */
 	if (getenv(GIT_WORK_TREE_ENVIRONMENT) || git_work_tree_cfg) {
 		if (offset != cwd->len && !is_absolute_path(gitdir))
-			gitdir = xstrdup(real_path(gitdir));
+			gitdir = real_pathdup(gitdir);
 		if (chdir(cwd->buf))
 			die_errno("Could not come back to cwd");
 		return setup_explicit_git_dir(gitdir, cwd, nongit_ok);
@@ -800,11 +802,12 @@ static int canonicalize_ceiling_entry(struct string_list_item *item,
 		/* Keep entry but do not canonicalize it */
 		return 1;
 	} else {
-		const char *real_path = real_path_if_valid(ceil);
-		if (!real_path)
+		char *real_path = real_pathdup(ceil);
+		if (!real_path) {
 			return 0;
+		}
 		free(item->string);
-		item->string = xstrdup(real_path);
+		item->string = real_path;
 		return 1;
 	}
 }
diff --git a/sha1_file.c b/sha1_file.c
index 9c86d19..6a03cc3 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -291,7 +291,7 @@ static int link_alt_odb_entry(const char *entry, const char *relative_base,
 	struct strbuf pathbuf = STRBUF_INIT;
 
 	if (!is_absolute_path(entry) && relative_base) {
-		strbuf_addstr(&pathbuf, real_path(relative_base));
+		strbuf_realpath(&pathbuf, relative_base, 1);
 		strbuf_addch(&pathbuf, '/');
 	}
 	strbuf_addstr(&pathbuf, entry);
diff --git a/submodule.c b/submodule.c
index 6f7d883..c85ba50 100644
--- a/submodule.c
+++ b/submodule.c
@@ -1227,7 +1227,7 @@ 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));
+	const char *real_work_tree = real_pathdup(work_tree);
 
 	/* Update gitfile */
 	strbuf_addf(&file_name, "%s/.git", work_tree);
diff --git a/transport.c b/transport.c
index d57e8de..236c6f6 100644
--- a/transport.c
+++ b/transport.c
@@ -1130,7 +1130,7 @@ static int refs_from_alternate_cb(struct alternate_object_database *e,
 	const struct ref *extra;
 	struct alternate_refs_data *cb = data;
 
-	other = xstrdup(real_path(e->path));
+	other = real_pathdup(e->path);
 	len = strlen(other);
 
 	while (other[len-1] == '/')
diff --git a/worktree.c b/worktree.c
index f7869f8..c90e013 100644
--- a/worktree.c
+++ b/worktree.c
@@ -255,7 +255,7 @@ struct worktree *find_worktree(struct worktree **list,
 		return wt;
 
 	arg = prefix_filename(prefix, strlen(prefix), arg);
-	path = xstrdup(real_path(arg));
+	path = real_pathdup(arg);
 	for (; *list; list++)
 		if (!fspathcmp(path, real_path((*list)->path)))
 			break;
-- 
2.8.0.rc3.226.g39d4020




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