#define TEST_FILEMODE 1
#endif
+static int init_is_bare_repository = 0;
+static int init_shared_repository = -1;
+
static void safe_create_dir(const char *dir, int share)
{
if (mkdir(dir, 0777) < 0) {
die("Could not make %s writable by group\n", dir);
}
-static int copy_file(const char *dst, const char *src, int mode)
-{
- int fdi, fdo, status;
-
- mode = (mode & 0111) ? 0777 : 0666;
- if ((fdi = open(src, O_RDONLY)) < 0)
- return fdi;
- if ((fdo = open(dst, O_WRONLY | O_CREAT | O_EXCL, mode)) < 0) {
- close(fdi);
- return fdo;
- }
- status = copy_fd(fdi, fdo);
- if (close(fdo) != 0)
- return error("%s: write error: %s", dst, strerror(errno));
-
- if (!status && adjust_shared_perm(dst))
- return -1;
-
- return status;
-}
-
static void copy_templates_1(char *path, int baselen,
char *template, int template_baselen,
DIR *dir)
/* Note: if ".git/hooks" file exists in the repository being
* re-initialized, /etc/core-git/templates/hooks/update would
- * cause git-init to fail here. I think this is sane but
+ * cause "git init" to fail here. I think this is sane but
* it means that the set of templates we ship by default, along
* with the way the namespace under .git/ is organized, should
* be really carefully chosen.
}
}
-static void copy_templates(const char *git_dir, int len, const char *template_dir)
+static void copy_templates(const char *template_dir)
{
char path[PATH_MAX];
char template_path[PATH_MAX];
int template_len;
DIR *dir;
+ const char *git_dir = get_git_dir();
+ int len = strlen(git_dir);
if (!template_dir)
template_dir = getenv(TEMPLATE_DIR_ENVIRONMENT);
- if (!template_dir) {
- /*
- * if the hard-coded template is relative, it is
- * interpreted relative to the exec_dir
- */
- template_dir = DEFAULT_GIT_TEMPLATE_DIR;
- if (!is_absolute_path(template_dir)) {
- struct strbuf d = STRBUF_INIT;
- strbuf_addf(&d, "%s/%s", git_exec_path(), template_dir);
- template_dir = strbuf_detach(&d, NULL);
- }
- }
+ if (!template_dir)
+ template_dir = system_path(DEFAULT_GIT_TEMPLATE_DIR);
+ if (!template_dir[0])
+ return;
strcpy(template_path, template_dir);
template_len = strlen(template_path);
if (template_path[template_len-1] != '/') {
strcpy(template_path + template_len, "config");
repository_format_version = 0;
git_config_from_file(check_repository_format_version,
- template_path);
+ template_path, NULL);
template_path[template_len] = 0;
if (repository_format_version &&
}
memcpy(path, git_dir, len);
+ if (len && path[len - 1] != '/')
+ path[len++] = '/';
path[len] = 0;
copy_templates_1(path, len,
template_path, template_len,
closedir(dir);
}
-static int create_default_files(const char *git_dir, const char *template_path)
+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];
- unsigned char sha1[20];
struct stat st1;
char repo_version_string[10];
+ char junk[2];
int reinit;
int filemode;
/*
* Create .git/refs/{heads,tags}
*/
- strcpy(path + len, "refs");
- safe_create_dir(path, 1);
- strcpy(path + len, "refs/heads");
- safe_create_dir(path, 1);
- strcpy(path + len, "refs/tags");
- safe_create_dir(path, 1);
+ safe_create_dir(git_path("refs"), 1);
+ safe_create_dir(git_path("refs/heads"), 1);
+ safe_create_dir(git_path("refs/tags"), 1);
/* First copy the templates -- we might have the default
* config file there, in which case we would want to read
* from it after installing.
*/
- path[len] = 0;
- copy_templates(path, len, template_path);
+ copy_templates(template_path);
- git_config(git_default_config);
+ git_config(git_default_config, NULL);
+ is_bare_repository_cfg = init_is_bare_repository;
+ if (init_shared_repository != -1)
+ shared_repository = init_shared_repository;
/*
* We would have created the above under user's umask -- under
* shared-repository settings, we would need to fix them up.
*/
if (shared_repository) {
- path[len] = 0;
- adjust_shared_perm(path);
- strcpy(path + len, "refs");
- adjust_shared_perm(path);
- strcpy(path + len, "refs/heads");
- adjust_shared_perm(path);
- strcpy(path + len, "refs/tags");
- adjust_shared_perm(path);
+ 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"));
}
/*
* branch, if it does not exist yet.
*/
strcpy(path + len, "HEAD");
- reinit = !read_ref("HEAD", sha1);
+ reinit = (!access(path, R_OK)
+ || readlink(path, junk, sizeof(junk)-1) != -1);
if (!reinit) {
if (create_symref("HEAD", "refs/heads/master", NULL) < 0)
exit(1);
/* allow template config file to override the default */
if (log_all_ref_updates == -1)
git_config_set("core.logallrefupdates", "true");
- if (work_tree != git_work_tree_cfg)
+ if (prefixcmp(git_dir, work_tree) ||
+ strcmp(git_dir + strlen(work_tree), "/.git")) {
git_config_set("core.worktree", work_tree);
+ }
}
- /* Check if symlink is supported in the work tree */
if (!reinit) {
+ /* Check if symlink is supported in the work tree */
path[len] = 0;
strcpy(path + len, "tXXXXXX");
if (!close(xmkstemp(path)) &&
unlink(path); /* good */
else
git_config_set("core.symlinks", "false");
+
+ /* Check if the filesystem is case-insensitive */
+ path[len] = 0;
+ strcpy(path + len, "CoNfIg");
+ if (!access(path, F_OK))
+ git_config_set("core.ignorecase", "true");
}
return reinit;
}
-static void guess_repository_type(const char *git_dir)
+int init_db(const char *template_dir, unsigned int flags)
+{
+ const char *sha1_dir;
+ char *path;
+ int len, reinit;
+
+ safe_create_dir(get_git_dir(), 0);
+
+ init_is_bare_repository = is_bare_repository();
+
+ /* Check to see if the repository version is right.
+ * Note that a newly created repository does not have
+ * config file, so this will not fail. What we are catching
+ * is an attempt to reinitialize new repository with an old tool.
+ */
+ check_repository_format();
+
+ reinit = create_default_files(template_dir);
+
+ sha1_dir = get_object_directory();
+ len = strlen(sha1_dir);
+ path = xmalloc(len + 40);
+ memcpy(path, sha1_dir, len);
+
+ safe_create_dir(sha1_dir, 1);
+ strcpy(path+len, "/pack");
+ safe_create_dir(path, 1);
+ strcpy(path+len, "/info");
+ safe_create_dir(path, 1);
+
+ if (shared_repository) {
+ char buf[10];
+ /* We do not spell "group" and such, so that
+ * the configuration can be read by older version
+ * of git. Note, we use octal numbers for new share modes,
+ * and compatibility values for PERM_GROUP and
+ * PERM_EVERYBODY.
+ */
+ if (shared_repository == PERM_GROUP)
+ sprintf(buf, "%d", OLD_PERM_GROUP);
+ else if (shared_repository == PERM_EVERYBODY)
+ sprintf(buf, "%d", OLD_PERM_EVERYBODY);
+ else
+ sprintf(buf, "0%o", shared_repository);
+ git_config_set("core.sharedrepository", buf);
+ git_config_set("receive.denyNonFastforwards", "true");
+ }
+
+ if (!(flags & INIT_DB_QUIET))
+ printf("%s%s Git repository in %s/\n",
+ reinit ? "Reinitialized existing" : "Initialized empty",
+ shared_repository ? " shared" : "",
+ get_git_dir());
+
+ return 0;
+}
+
+static int guess_repository_type(const char *git_dir)
{
char cwd[PATH_MAX];
const char *slash;
- if (0 <= is_bare_repository_cfg)
- return;
- if (!git_dir)
- return;
-
/*
* "GIT_DIR=. git init" is always bare.
* "GIT_DIR=`pwd` git init" too.
*/
if (!strcmp(".", git_dir))
- goto force_bare;
+ return 1;
if (!getcwd(cwd, sizeof(cwd)))
die("cannot tell cwd");
if (!strcmp(git_dir, cwd))
- goto force_bare;
+ return 1;
/*
* "GIT_DIR=.git or GIT_DIR=something/.git is usually not.
*/
if (!strcmp(git_dir, ".git"))
- return;
+ return 0;
slash = strrchr(git_dir, '/');
if (slash && !strcmp(slash, "/.git"))
- return;
+ return 0;
/*
* Otherwise it is often bare. At this point
* we are just guessing.
*/
- force_bare:
- is_bare_repository_cfg = 1;
- return;
+ return 1;
}
static const char init_db_usage[] =
-"git-init [-q | --quiet] [--template=<template-directory>] [--shared]";
+"git init [-q | --quiet] [--bare] [--template=<template-directory>] [--shared[=<permissions>]]";
/*
* If you want to, you can share the DB area with any number of branches.
int cmd_init_db(int argc, const char **argv, const char *prefix)
{
const char *git_dir;
- const char *sha1_dir;
const char *template_dir = NULL;
- char *path;
- int len, i, reinit;
- int quiet = 0;
+ unsigned int flags = 0;
+ int i;
for (i = 1; i < argc; i++, argv++) {
const char *arg = argv[1];
if (!prefixcmp(arg, "--template="))
template_dir = arg+11;
- else if (!strcmp(arg, "--shared"))
- shared_repository = PERM_GROUP;
+ else if (!strcmp(arg, "--bare")) {
+ static char git_dir[PATH_MAX+1];
+ is_bare_repository_cfg = 1;
+ setenv(GIT_DIR_ENVIRONMENT, getcwd(git_dir,
+ sizeof(git_dir)), 0);
+ } else if (!strcmp(arg, "--shared"))
+ init_shared_repository = PERM_GROUP;
else if (!prefixcmp(arg, "--shared="))
- shared_repository = git_config_perm("arg", arg+9);
+ init_shared_repository = git_config_perm("arg", arg+9);
else if (!strcmp(arg, "-q") || !strcmp(arg, "--quiet"))
- quiet = 1;
+ flags |= INIT_DB_QUIET;
else
usage(init_db_usage);
}
GIT_WORK_TREE_ENVIRONMENT,
GIT_DIR_ENVIRONMENT);
- guess_repository_type(git_dir);
-
- if (is_bare_repository_cfg <= 0) {
- git_work_tree_cfg = xcalloc(PATH_MAX, 1);
- if (!getcwd(git_work_tree_cfg, PATH_MAX))
- die ("Cannot access current working directory.");
- if (access(get_git_work_tree(), X_OK))
- die ("Cannot access work tree '%s'",
- get_git_work_tree());
- }
-
/*
* Set up the default .git directory contents
*/
- git_dir = getenv(GIT_DIR_ENVIRONMENT);
if (!git_dir)
git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
- safe_create_dir(git_dir, 0);
-
- /* Check to see if the repository version is right.
- * Note that a newly created repository does not have
- * config file, so this will not fail. What we are catching
- * is an attempt to reinitialize new repository with an old tool.
- */
- check_repository_format();
-
- reinit = create_default_files(git_dir, template_dir);
- /*
- * And set up the object store.
- */
- sha1_dir = get_object_directory();
- len = strlen(sha1_dir);
- path = xmalloc(len + 40);
- memcpy(path, sha1_dir, len);
-
- safe_create_dir(sha1_dir, 1);
- strcpy(path+len, "/pack");
- safe_create_dir(path, 1);
- strcpy(path+len, "/info");
- safe_create_dir(path, 1);
-
- if (shared_repository) {
- char buf[10];
- /* We do not spell "group" and such, so that
- * the configuration can be read by older version
- * of git.
- */
- sprintf(buf, "%d", shared_repository);
- git_config_set("core.sharedrepository", buf);
- git_config_set("receive.denyNonFastforwards", "true");
+ if (is_bare_repository_cfg < 0)
+ is_bare_repository_cfg = guess_repository_type(git_dir);
+
+ if (!is_bare_repository_cfg) {
+ if (git_dir) {
+ 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(make_absolute_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 ("Cannot access current working directory.");
+ }
+ if (access(get_git_work_tree(), X_OK))
+ die ("Cannot access work tree '%s'",
+ get_git_work_tree());
}
- if (!quiet)
- printf("%s%s Git repository in %s/\n",
- reinit ? "Reinitialized existing" : "Initialized empty",
- shared_repository ? " shared" : "",
- git_dir);
+ set_git_dir(make_absolute_path(git_dir));
- return 0;
+ return init_db(template_dir, flags);
}