Merge branch 'nd/setup'

* nd/setup: (47 commits)
  setup_work_tree: adjust relative $GIT_WORK_TREE after moving cwd
  git.txt: correct where --work-tree path is relative to
  Revert "Documentation: always respect core.worktree if set"
  t0001: test git init when run via an alias
  Remove all logic from get_git_work_tree()
  setup: rework setup_explicit_git_dir()
  setup: clean up setup_discovered_git_dir()
  t1020-subdirectory: test alias expansion in a subdirectory
  setup: clean up setup_bare_git_dir()
  setup: limit get_git_work_tree()'s to explicit setup case only
  Use git_config_early() instead of git_config() during repo setup
  Add git_config_early()
  git-rev-parse.txt: clarify --git-dir
  t1510: setup case #31
  t1510: setup case #30
  t1510: setup case #29
  t1510: setup case #28
  t1510: setup case #27
  t1510: setup case #26
  t1510: setup case #25
  ...

1 files changed, 11 insertions, 2 deletions

diff --git a/builtin/init-db.c b/builtin/init-db.c
index 9d4886c716..e3af9eaa87 100644
--- a/builtin/init-db.c
+++ b/builtin/init-db.c
@@ -414,6 +414,7 @@ static const char *const init_db_usage[] = {
 int cmd_init_db(int argc, const char **argv, const char *prefix)
 {
 	const char *git_dir;
+	const char *work_tree;
 	const char *template_dir = NULL;
 	unsigned int flags = 0;
 	const struct option init_db_options[] = {
@@ -480,8 +481,8 @@ int cmd_init_db(int argc, const char **argv, const char *prefix)
 	 * without --bare.  Catch the error early.
 	 */
 	git_dir = getenv(GIT_DIR_ENVIRONMENT);
-	if ((!git_dir || is_bare_repository_cfg == 1)
-	    && getenv(GIT_WORK_TREE_ENVIRONMENT))
+	work_tree = getenv(GIT_WORK_TREE_ENVIRONMENT);
+	if ((!git_dir || is_bare_repository_cfg == 1) && work_tree)
 		die("%s (or --work-tree=<directory>) not allowed without "
 		    "specifying %s (or --git-dir=<directory>)",
 		    GIT_WORK_TREE_ENVIRONMENT,
@@ -510,10 +511,18 @@ int cmd_init_db(int argc, const char **argv, const char *prefix)
 			if (!getcwd(git_work_tree_cfg, PATH_MAX))
 				die_errno ("Cannot access current working directory");
 		}
+		if (work_tree)
+			set_git_work_tree(make_absolute_path(work_tree));
+		else
+			set_git_work_tree(git_work_tree_cfg);
 		if (access(get_git_work_tree(), X_OK))
 			die_errno ("Cannot access work tree '%s'",
 				   get_git_work_tree());
 	}
+	else {
+		if (work_tree)
+			set_git_work_tree(make_absolute_path(work_tree));
+	}
 
 	set_git_dir(make_absolute_path(git_dir));