[PATCH 8/9] Make setup_git_directory() auto-setup worktree if found

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The semantic is simpler: if worktree is found, use it or die.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
 builtin-ls-files.c  |    4 ++--
 builtin-rev-parse.c |    7 +++++--
 builtin-rm.c        |    5 ++---
 setup.c             |    2 +-
 4 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/builtin-ls-files.c b/builtin-ls-files.c
index cf4c492..a53881d 100644
--- a/builtin-ls-files.c
+++ b/builtin-ls-files.c
@@ -566,8 +566,8 @@ int cmd_ls_files(int argc, const char **argv, const char *prefix)
 		break;
 	}
 
-	if (require_work_tree && !is_inside_work_tree())
-		prefix = setup_work_tree(prefix);
+	if (require_work_tree && !get_git_work_tree())
+		die("This operation must be run in a work tree");
 	if (prefix_offset == -1)
 		prefix_offset = prefix ? strlen(prefix) : 0;
 
diff --git a/builtin-rev-parse.c b/builtin-rev-parse.c
index e82cac2..384e23f 100644
--- a/builtin-rev-parse.c
+++ b/builtin-rev-parse.c
@@ -359,15 +359,16 @@ static int cmd_parseopt(int argc, const char **argv, const char *prefix)
 	return 0;
 }
 
-int cmd_rev_parse(int argc, const char **argv, const char *prefix)
+int cmd_rev_parse(int argc, const char **argv, const char *unused_prefix)
 {
 	int i, as_is = 0, verify = 0;
 	unsigned char sha1[20];
+	const char *prefix = NULL;
 
 	if (argc > 1 && !strcmp("--parseopt", argv[1]))
 		return cmd_parseopt(argc - 1, argv + 1, prefix);
 
-	prefix = setup_git_directory();
+	setup_git_directory_gently(NULL);
 	git_config(git_default_config);
 	for (i = 1; i < argc; i++) {
 		const char *arg = argv[i];
@@ -487,6 +488,8 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
 						printf("%s\n", work_tree);
 					continue;
 				}
+				else
+					pfx = prefix = setup_work_tree(prefix);
 				while (pfx) {
 					pfx = strchr(pfx, '/');
 					if (pfx) {
diff --git a/builtin-rm.c b/builtin-rm.c
index 2c15d66..dedef9f 100644
--- a/builtin-rm.c
+++ b/builtin-rm.c
@@ -155,10 +155,9 @@ int cmd_rm(int argc, const char **argv, const char *prefix)
 	if (!argc)
 		usage_with_options(builtin_rm_usage, builtin_rm_options);
 
-	if (!index_only)
-		prefix = setup_work_tree(prefix);
-
 	pathspec = get_pathspec(prefix, argv);
+	if (!pathspec)
+		die("No valid pathspec");
 	seen = NULL;
 	for (i = 0; pathspec[i] ; i++)
 		/* nothing */;
diff --git a/setup.c b/setup.c
index 78ae2f9..f0de42f 100644
--- a/setup.c
+++ b/setup.c
@@ -444,5 +444,5 @@ int check_repository_format(void)
 const char *setup_git_directory(void)
 {
 	setup_git_directory_gently(NULL);
-	return is_inside_work_tree() ? setup_work_tree(NULL) : NULL;
+	return get_git_work_tree() ? setup_work_tree(NULL) : NULL;
 }
-- 
1.5.4.2.281.g28d0e
-
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