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init-db: remove unnecessary global variable

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This commit was prompted by a desire to move the functions which
builtin/init-db.c and builtin/clone.c share out of the former file and
into setup.c.  One issue that made it difficult was the
init_is_bare_repository global variable.

init_is_bare_repository's sole use in life it to cache a value in
init_db(), and then be used in create_default_files().  This is a bit
odd since init_db() directly calls create_default_files(), and is the
only caller of that function.  Convert the global to a simple function
parameter instead.

(Of course, this doesn't fix the fact that this value is then ignored by
create_default_files(), as noted in a big TODO comment in that function,
but it at least includes no behavioral change other than getting rid of
a very questionable global variable.)

Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Elijah Newren 2023-05-16 06:33:42 +00:00 committed by Junio C Hamano
parent 0f7443bdc7
commit c2f76965d0
1 changed files with 7 additions and 5 deletions
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12
builtin/init-db.c
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@ -31,7 +31,6 @@
#define GIT_DEFAULT_HASH_ENVIRONMENT "GIT_DEFAULT_HASH"
static int init_is_bare_repository = 0;
static int init_shared_repository = -1;
static void copy_templates_1(struct strbuf *path, struct strbuf *template_path,
@ -199,6 +198,7 @@ static int create_default_files(const char *template_path,
const char *original_git_dir,
const char *initial_branch,
const struct repository_format *fmt,
int prev_bare_repository,
int quiet)
{
struct stat st1;
@ -237,7 +237,7 @@ static int create_default_files(const char *template_path,
* TODO: heed core.bare from config file in templates if no
* command-line override given
*/
is_bare_repository_cfg = init_is_bare_repository || !work_tree;
is_bare_repository_cfg = prev_bare_repository || !work_tree;
/* TODO (continued):
*
* Unfortunately, the line above is equivalent to
@ -246,7 +246,7 @@ static int create_default_files(const char *template_path,
* command line option was present.
*
* To see why, note that before this function, there was this call:
* init_is_bare_repository = is_bare_repository()
* prev_bare_repository = is_bare_repository()
* expanding the right hand side:
* = is_bare_repository_cfg && !get_git_work_tree()
* = is_bare_repository_cfg && !work_tree
@ -256,7 +256,7 @@ static int create_default_files(const char *template_path,
* calls will return the same result each time. So, what we are
* interested in computing is the right hand side of the line of
* code just above this comment:
* init_is_bare_repository || !work_tree
* prev_bare_repository || !work_tree
* = is_bare_repository_cfg && !work_tree || !work_tree
* = !work_tree
* because "A && !B || !B == !B" for all boolean values of A & B.
@ -424,6 +424,7 @@ int init_db(const char *git_dir, const char *real_git_dir,
int exist_ok = flags & INIT_DB_EXIST_OK;
char *original_git_dir = real_pathdup(git_dir, 1);
struct repository_format repo_fmt = REPOSITORY_FORMAT_INIT;
int prev_bare_repository;
if (real_git_dir) {
struct stat st;
@ -449,7 +450,7 @@ int init_db(const char *git_dir, const char *real_git_dir,
safe_create_dir(git_dir, 0);
init_is_bare_repository = is_bare_repository();
prev_bare_repository = is_bare_repository();
/* Check to see if the repository version is right.
* Note that a newly created repository does not have
@ -462,6 +463,7 @@ int init_db(const char *git_dir, const char *real_git_dir,
reinit = create_default_files(template_dir, original_git_dir,
initial_branch, &repo_fmt,
prev_bare_repository,
flags & INIT_DB_QUIET);
if (reinit && initial_branch)
warning(_("re-init: ignored --initial-branch=%s"),