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-rw-r--r--builtin/init-db.c293
1 files changed, 142 insertions, 151 deletions
diff --git a/builtin/init-db.c b/builtin/init-db.c
index 0dacb8b79c..f59f40768e 100644
--- a/builtin/init-db.c
+++ b/builtin/init-db.c
@@ -4,6 +4,7 @@
* Copyright (C) Linus Torvalds, 2005
*/
#include "cache.h"
+#include "refs.h"
#include "builtin.h"
#include "exec_cmd.h"
#include "parse-options.h"
@@ -35,10 +36,11 @@ static void safe_create_dir(const char *dir, int share)
die(_("Could not make %s writable by group"), dir);
}
-static void copy_templates_1(char *path, int baselen,
- char *template, int template_baselen,
+static void copy_templates_1(struct strbuf *path, struct strbuf *template,
DIR *dir)
{
+ size_t path_baselen = path->len;
+ size_t template_baselen = template->len;
struct dirent *de;
/* Note: if ".git/hooks" file exists in the repository being
@@ -48,106 +50,93 @@ static void copy_templates_1(char *path, int baselen,
* with the way the namespace under .git/ is organized, should
* be really carefully chosen.
*/
- safe_create_dir(path, 1);
+ safe_create_dir(path->buf, 1);
while ((de = readdir(dir)) != NULL) {
struct stat st_git, st_template;
- int namelen;
int exists = 0;
+ strbuf_setlen(path, path_baselen);
+ strbuf_setlen(template, template_baselen);
+
if (de->d_name[0] == '.')
continue;
- namelen = strlen(de->d_name);
- if ((PATH_MAX <= baselen + namelen) ||
- (PATH_MAX <= template_baselen + namelen))
- die(_("insanely long template name %s"), de->d_name);
- memcpy(path + baselen, de->d_name, namelen+1);
- memcpy(template + template_baselen, de->d_name, namelen+1);
- if (lstat(path, &st_git)) {
+ strbuf_addstr(path, de->d_name);
+ strbuf_addstr(template, de->d_name);
+ if (lstat(path->buf, &st_git)) {
if (errno != ENOENT)
- die_errno(_("cannot stat '%s'"), path);
+ die_errno(_("cannot stat '%s'"), path->buf);
}
else
exists = 1;
- if (lstat(template, &st_template))
- die_errno(_("cannot stat template '%s'"), template);
+ if (lstat(template->buf, &st_template))
+ die_errno(_("cannot stat template '%s'"), template->buf);
if (S_ISDIR(st_template.st_mode)) {
- DIR *subdir = opendir(template);
- int baselen_sub = baselen + namelen;
- int template_baselen_sub = template_baselen + namelen;
+ DIR *subdir = opendir(template->buf);
if (!subdir)
- die_errno(_("cannot opendir '%s'"), template);
- path[baselen_sub++] =
- template[template_baselen_sub++] = '/';
- path[baselen_sub] =
- template[template_baselen_sub] = 0;
- copy_templates_1(path, baselen_sub,
- template, template_baselen_sub,
- subdir);
+ die_errno(_("cannot opendir '%s'"), template->buf);
+ strbuf_addch(path, '/');
+ strbuf_addch(template, '/');
+ copy_templates_1(path, template, subdir);
closedir(subdir);
}
else if (exists)
continue;
else if (S_ISLNK(st_template.st_mode)) {
- char lnk[256];
- int len;
- len = readlink(template, lnk, sizeof(lnk));
- if (len < 0)
- die_errno(_("cannot readlink '%s'"), template);
- if (sizeof(lnk) <= len)
- die(_("insanely long symlink %s"), template);
- lnk[len] = 0;
- if (symlink(lnk, path))
- die_errno(_("cannot symlink '%s' '%s'"), lnk, path);
+ struct strbuf lnk = STRBUF_INIT;
+ if (strbuf_readlink(&lnk, template->buf, 0) < 0)
+ die_errno(_("cannot readlink '%s'"), template->buf);
+ if (symlink(lnk.buf, path->buf))
+ die_errno(_("cannot symlink '%s' '%s'"),
+ lnk.buf, path->buf);
+ strbuf_release(&lnk);
}
else if (S_ISREG(st_template.st_mode)) {
- if (copy_file(path, template, st_template.st_mode))
- die_errno(_("cannot copy '%s' to '%s'"), template,
- path);
+ if (copy_file(path->buf, template->buf, st_template.st_mode))
+ die_errno(_("cannot copy '%s' to '%s'"),
+ template->buf, path->buf);
}
else
- error(_("ignoring template %s"), template);
+ error(_("ignoring template %s"), template->buf);
}
}
static void copy_templates(const char *template_dir)
{
- char path[PATH_MAX];
- char template_path[PATH_MAX];
- int template_len;
+ struct strbuf path = STRBUF_INIT;
+ struct strbuf template_path = STRBUF_INIT;
+ size_t template_len;
DIR *dir;
- const char *git_dir = get_git_dir();
- int len = strlen(git_dir);
+ char *to_free = NULL;
if (!template_dir)
template_dir = getenv(TEMPLATE_DIR_ENVIRONMENT);
if (!template_dir)
template_dir = init_db_template_dir;
if (!template_dir)
- template_dir = system_path(DEFAULT_GIT_TEMPLATE_DIR);
- if (!template_dir[0])
+ template_dir = to_free = system_path(DEFAULT_GIT_TEMPLATE_DIR);
+ if (!template_dir[0]) {
+ free(to_free);
return;
- template_len = strlen(template_dir);
- if (PATH_MAX <= (template_len+strlen("/config")))
- die(_("insanely long template path %s"), template_dir);
- strcpy(template_path, template_dir);
- if (template_path[template_len-1] != '/') {
- template_path[template_len++] = '/';
- template_path[template_len] = 0;
}
- dir = opendir(template_path);
+
+ strbuf_addstr(&template_path, template_dir);
+ strbuf_complete(&template_path, '/');
+ template_len = template_path.len;
+
+ dir = opendir(template_path.buf);
if (!dir) {
warning(_("templates not found %s"), template_dir);
- return;
+ goto free_return;
}
/* Make sure that template is from the correct vintage */
- strcpy(template_path + template_len, "config");
+ strbuf_addstr(&template_path, "config");
repository_format_version = 0;
git_config_from_file(check_repository_format_version,
- template_path, NULL);
- template_path[template_len] = 0;
+ template_path.buf, NULL);
+ strbuf_setlen(&template_path, template_len);
if (repository_format_version &&
repository_format_version != GIT_REPO_VERSION) {
@@ -155,18 +144,18 @@ static void copy_templates(const char *template_dir)
"a wrong format version %d from '%s'"),
repository_format_version,
template_dir);
- closedir(dir);
- return;
+ goto close_free_return;
}
- memcpy(path, git_dir, len);
- if (len && path[len - 1] != '/')
- path[len++] = '/';
- path[len] = 0;
- copy_templates_1(path, len,
- template_path, template_len,
- dir);
+ strbuf_addstr(&path, get_git_dir());
+ strbuf_complete(&path, '/');
+ copy_templates_1(&path, &template_path, dir);
+close_free_return:
closedir(dir);
+free_return:
+ free(to_free);
+ strbuf_release(&path);
+ strbuf_release(&template_path);
}
static int git_init_db_config(const char *k, const char *v, void *cb)
@@ -177,30 +166,36 @@ static int git_init_db_config(const char *k, const char *v, void *cb)
return 0;
}
+/*
+ * If the git_dir is not directly inside the working tree, then git will not
+ * find it by default, and we need to set the worktree explicitly.
+ */
+static int needs_work_tree_config(const char *git_dir, const char *work_tree)
+{
+ if (!strcmp(work_tree, "/") && !strcmp(git_dir, "/.git"))
+ return 0;
+ if (skip_prefix(git_dir, work_tree, &git_dir) &&
+ !strcmp(git_dir, "/.git"))
+ return 0;
+ return 1;
+}
+
static int create_default_files(const char *template_path)
{
- const char *git_dir = get_git_dir();
- unsigned len = strlen(git_dir);
- static char path[PATH_MAX];
struct stat st1;
+ struct strbuf buf = STRBUF_INIT;
+ char *path;
char repo_version_string[10];
char junk[2];
int reinit;
int filemode;
- if (len > sizeof(path)-50)
- die(_("insane git directory %s"), git_dir);
- memcpy(path, git_dir, len);
-
- if (len && path[len-1] != '/')
- path[len++] = '/';
-
/*
* Create .git/refs/{heads,tags}
*/
- safe_create_dir(git_path("refs"), 1);
- safe_create_dir(git_path("refs/heads"), 1);
- safe_create_dir(git_path("refs/tags"), 1);
+ safe_create_dir(git_path_buf(&buf, "refs"), 1);
+ safe_create_dir(git_path_buf(&buf, "refs/heads"), 1);
+ safe_create_dir(git_path_buf(&buf, "refs/tags"), 1);
/* Just look for `init.templatedir` */
git_config(git_init_db_config, NULL);
@@ -224,16 +219,16 @@ static int create_default_files(const char *template_path)
*/
if (shared_repository) {
adjust_shared_perm(get_git_dir());
- adjust_shared_perm(git_path("refs"));
- adjust_shared_perm(git_path("refs/heads"));
- adjust_shared_perm(git_path("refs/tags"));
+ adjust_shared_perm(git_path_buf(&buf, "refs"));
+ adjust_shared_perm(git_path_buf(&buf, "refs/heads"));
+ adjust_shared_perm(git_path_buf(&buf, "refs/tags"));
}
/*
* Create the default symlink from ".git/HEAD" to the "master"
* branch, if it does not exist yet.
*/
- strcpy(path + len, "HEAD");
+ path = git_path_buf(&buf, "HEAD");
reinit = (!access(path, R_OK)
|| readlink(path, junk, sizeof(junk)-1) != -1);
if (!reinit) {
@@ -242,19 +237,21 @@ static int create_default_files(const char *template_path)
}
/* This forces creation of new config file */
- sprintf(repo_version_string, "%d", GIT_REPO_VERSION);
+ xsnprintf(repo_version_string, sizeof(repo_version_string),
+ "%d", GIT_REPO_VERSION);
git_config_set("core.repositoryformatversion", repo_version_string);
- path[len] = 0;
- strcpy(path + len, "config");
-
/* Check filemode trustability */
+ path = git_path_buf(&buf, "config");
filemode = TEST_FILEMODE;
if (TEST_FILEMODE && !lstat(path, &st1)) {
struct stat st2;
filemode = (!chmod(path, st1.st_mode ^ S_IXUSR) &&
!lstat(path, &st2) &&
- st1.st_mode != st2.st_mode);
+ st1.st_mode != st2.st_mode &&
+ !chmod(path, st1.st_mode));
+ if (filemode && !reinit && (st1.st_mode & S_IXUSR))
+ filemode = 0;
}
git_config_set("core.filemode", filemode ? "true" : "false");
@@ -266,16 +263,13 @@ static int create_default_files(const char *template_path)
/* allow template config file to override the default */
if (log_all_ref_updates == -1)
git_config_set("core.logallrefupdates", "true");
- if (prefixcmp(git_dir, work_tree) ||
- strcmp(git_dir + strlen(work_tree), "/.git")) {
+ if (needs_work_tree_config(get_git_dir(), work_tree))
git_config_set("core.worktree", work_tree);
- }
}
if (!reinit) {
/* Check if symlink is supported in the work tree */
- path[len] = 0;
- strcpy(path + len, "tXXXXXX");
+ path = git_path_buf(&buf, "tXXXXXX");
if (!close(xmkstemp(path)) &&
!unlink(path) &&
!symlink("testing", path) &&
@@ -286,30 +280,35 @@ static int create_default_files(const char *template_path)
git_config_set("core.symlinks", "false");
/* Check if the filesystem is case-insensitive */
- path[len] = 0;
- strcpy(path + len, "CoNfIg");
+ path = git_path_buf(&buf, "CoNfIg");
if (!access(path, F_OK))
git_config_set("core.ignorecase", "true");
+ probe_utf8_pathname_composition();
}
+ strbuf_release(&buf);
return reinit;
}
static void create_object_directory(void)
{
- const char *object_directory = get_object_directory();
- int len = strlen(object_directory);
- char *path = xmalloc(len + 40);
+ struct strbuf path = STRBUF_INIT;
+ size_t baselen;
- memcpy(path, object_directory, len);
+ strbuf_addstr(&path, get_object_directory());
+ baselen = path.len;
- safe_create_dir(object_directory, 1);
- strcpy(path+len, "/pack");
- safe_create_dir(path, 1);
- strcpy(path+len, "/info");
- safe_create_dir(path, 1);
+ safe_create_dir(path.buf, 1);
- free(path);
+ strbuf_setlen(&path, baselen);
+ strbuf_addstr(&path, "/pack");
+ safe_create_dir(path.buf, 1);
+
+ strbuf_setlen(&path, baselen);
+ strbuf_addstr(&path, "/info");
+ safe_create_dir(path.buf, 1);
+
+ strbuf_release(&path);
}
int set_git_dir_init(const char *git_dir, const char *real_git_dir,
@@ -329,19 +328,18 @@ int set_git_dir_init(const char *git_dir, const char *real_git_dir,
* moving the target repo later on in separate_git_dir()
*/
git_link = xstrdup(real_path(git_dir));
+ set_git_dir(real_path(real_git_dir));
}
else {
- real_git_dir = real_path(git_dir);
+ set_git_dir(real_path(git_dir));
git_link = NULL;
}
- set_git_dir(real_path(real_git_dir));
return 0;
}
static void separate_git_dir(const char *git_dir)
{
struct stat st;
- FILE *fp;
if (!stat(git_link, &st)) {
const char *src;
@@ -357,11 +355,7 @@ static void separate_git_dir(const char *git_dir)
die_errno(_("unable to move %s to %s"), src, git_dir);
}
- fp = fopen(git_link, "w");
- if (!fp)
- die(_("Could not create git link %s"), git_link);
- fprintf(fp, "gitdir: %s\n", git_dir);
- fclose(fp);
+ write_file(git_link, "gitdir: %s", git_dir);
}
int init_db(const char *template_dir, unsigned int flags)
@@ -397,13 +391,13 @@ int init_db(const char *template_dir, unsigned int flags)
*/
if (shared_repository < 0)
/* force to the mode value */
- sprintf(buf, "0%o", -shared_repository);
+ xsnprintf(buf, sizeof(buf), "0%o", -shared_repository);
else if (shared_repository == PERM_GROUP)
- sprintf(buf, "%d", OLD_PERM_GROUP);
+ xsnprintf(buf, sizeof(buf), "%d", OLD_PERM_GROUP);
else if (shared_repository == PERM_EVERYBODY)
- sprintf(buf, "%d", OLD_PERM_EVERYBODY);
+ xsnprintf(buf, sizeof(buf), "%d", OLD_PERM_EVERYBODY);
else
- die("oops");
+ die("BUG: invalid value for shared_repository");
git_config_set("core.sharedrepository", buf);
git_config_set("receive.denyNonFastforwards", "true");
}
@@ -411,11 +405,9 @@ int init_db(const char *template_dir, unsigned int flags)
if (!(flags & INIT_DB_QUIET)) {
int len = strlen(git_dir);
- /*
- * TRANSLATORS: The first '%s' is either "Reinitialized
- * existing" or "Initialized empty", the second " shared" or
- * "", and the last '%s%s' is the verbatim directory name.
- */
+ /* TRANSLATORS: The first '%s' is either "Reinitialized
+ existing" or "Initialized empty", the second " shared" or
+ "", and the last '%s%s' is the verbatim directory name. */
printf(_("%s%s Git repository in %s%s\n"),
reinit ? _("Reinitialized existing") : _("Initialized empty"),
shared_repository ? _(" shared") : "",
@@ -427,8 +419,9 @@ int init_db(const char *template_dir, unsigned int flags)
static int guess_repository_type(const char *git_dir)
{
- char cwd[PATH_MAX];
const char *slash;
+ char *cwd;
+ int cwd_is_git_dir;
/*
* "GIT_DIR=. git init" is always bare.
@@ -436,9 +429,10 @@ static int guess_repository_type(const char *git_dir)
*/
if (!strcmp(".", git_dir))
return 1;
- if (!getcwd(cwd, sizeof(cwd)))
- die_errno(_("cannot tell cwd"));
- if (!strcmp(git_dir, cwd))
+ cwd = xgetcwd();
+ cwd_is_git_dir = !strcmp(git_dir, cwd);
+ free(cwd);
+ if (cwd_is_git_dir)
return 1;
/*
* "GIT_DIR=.git or GIT_DIR=something/.git is usually not.
@@ -463,7 +457,7 @@ static int shared_callback(const struct option *opt, const char *arg, int unset)
}
static const char *const init_db_usage[] = {
- "git init [-q | --quiet] [--bare] [--template=<template-directory>] [--shared[=<permissions>]] [directory]",
+ N_("git init [-q | --quiet] [--bare] [--template=<template-directory>] [--shared[=<permissions>]] [<directory>]"),
NULL
};
@@ -481,17 +475,17 @@ int cmd_init_db(int argc, const char **argv, const char *prefix)
const char *template_dir = NULL;
unsigned int flags = 0;
const struct option init_db_options[] = {
- OPT_STRING(0, "template", &template_dir, "template-directory",
- "directory from which templates will be used"),
+ OPT_STRING(0, "template", &template_dir, N_("template-directory"),
+ N_("directory from which templates will be used")),
OPT_SET_INT(0, "bare", &is_bare_repository_cfg,
- "create a bare repository", 1),
+ N_("create a bare repository"), 1),
{ OPTION_CALLBACK, 0, "shared", &init_shared_repository,
- "permissions",
- "specify that the git repository is to be shared amongst several users",
+ N_("permissions"),
+ N_("specify that the git repository is to be shared amongst several users"),
PARSE_OPT_OPTARG | PARSE_OPT_NONEG, shared_callback, 0},
- OPT_BIT('q', "quiet", &flags, "be quiet", INIT_DB_QUIET),
- OPT_STRING(0, "separate-git-dir", &real_git_dir, "gitdir",
- "separate git dir from working tree"),
+ OPT_BIT('q', "quiet", &flags, N_("be quiet"), INIT_DB_QUIET),
+ OPT_STRING(0, "separate-git-dir", &real_git_dir, N_("gitdir"),
+ N_("separate git dir from working tree")),
OPT_END()
};
@@ -514,13 +508,14 @@ int cmd_init_db(int argc, const char **argv, const char *prefix)
saved = shared_repository;
shared_repository = 0;
switch (safe_create_leading_directories_const(argv[0])) {
- case -3:
+ case SCLD_OK:
+ case SCLD_PERMS:
+ break;
+ case SCLD_EXISTS:
errno = EEXIST;
/* fallthru */
- case -1:
- die_errno(_("cannot mkdir %s"), argv[0]);
- break;
default:
+ die_errno(_("cannot mkdir %s"), argv[0]);
break;
}
shared_repository = saved;
@@ -535,10 +530,9 @@ int cmd_init_db(int argc, const char **argv, const char *prefix)
usage(init_db_usage[0]);
}
if (is_bare_repository_cfg == 1) {
- static char git_dir[PATH_MAX+1];
-
- setenv(GIT_DIR_ENVIRONMENT,
- getcwd(git_dir, sizeof(git_dir)), argc > 0);
+ char *cwd = xgetcwd();
+ setenv(GIT_DIR_ENVIRONMENT, cwd, argc > 0);
+ free(cwd);
}
if (init_shared_repository != -1)
@@ -572,13 +566,10 @@ int cmd_init_db(int argc, const char **argv, const char *prefix)
git_work_tree_cfg = xstrdup(real_path(rel));
free(rel);
}
- if (!git_work_tree_cfg) {
- git_work_tree_cfg = xcalloc(PATH_MAX, 1);
- if (!getcwd(git_work_tree_cfg, PATH_MAX))
- die_errno (_("Cannot access current working directory"));
- }
+ if (!git_work_tree_cfg)
+ git_work_tree_cfg = xgetcwd();
if (work_tree)
- set_git_work_tree(real_path(work_tree));
+ set_git_work_tree(work_tree);
else
set_git_work_tree(git_work_tree_cfg);
if (access(get_git_work_tree(), X_OK))
@@ -587,7 +578,7 @@ int cmd_init_db(int argc, const char **argv, const char *prefix)
}
else {
if (work_tree)
- set_git_work_tree(real_path(work_tree));
+ set_git_work_tree(work_tree);
}
set_git_dir_init(git_dir, real_git_dir, 1);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-19 20:07:23 +0000