*/
#include "cache.h"
#include "builtin.h"
+#include "exec_cmd.h"
#ifndef DEFAULT_GIT_TEMPLATE_DIR
#define DEFAULT_GIT_TEMPLATE_DIR "/usr/share/git-core/templates"
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)
int template_len;
DIR *dir;
- if (!template_dir) {
+ if (!template_dir)
template_dir = getenv(TEMPLATE_DIR_ENVIRONMENT);
- if (!template_dir)
- template_dir = DEFAULT_GIT_TEMPLATE_DIR;
+ 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);
+ }
}
strcpy(template_path, template_dir);
template_len = strlen(template_path);
closedir(dir);
}
-/*
- * Get the full path to the working tree specified in $GIT_WORK_TREE
- * or NULL if no working tree is specified.
- */
-static const char *get_work_tree(void)
-{
- const char *git_work_tree;
- char cwd[PATH_MAX];
- static char worktree[PATH_MAX];
-
- git_work_tree = getenv(GIT_WORK_TREE_ENVIRONMENT);
- if (!git_work_tree)
- return NULL;
- if (!getcwd(cwd, sizeof(cwd)))
- die("Unable to read current working directory");
- if (chdir(git_work_tree))
- die("Cannot change directory to specified working tree '%s'",
- git_work_tree);
- if (git_work_tree[0] != '/') {
- if (!getcwd(worktree, sizeof(worktree)))
- die("Unable to read current working directory");
- git_work_tree = worktree;
- }
- if (chdir(cwd))
- die("Cannot come back to cwd");
- return git_work_tree;
-}
-
-static int create_default_files(const char *git_dir, const char *git_work_tree,
- const char *template_path)
+static int create_default_files(const char *git_dir, const char *template_path)
{
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;
* 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);
}
git_config_set("core.filemode", filemode ? "true" : "false");
- if (is_bare_repository() && !git_work_tree) {
+ if (is_bare_repository())
git_config_set("core.bare", "true");
- }
else {
+ const char *work_tree = get_git_work_tree();
git_config_set("core.bare", "false");
/* allow template config file to override the default */
if (log_all_ref_updates == -1)
git_config_set("core.logallrefupdates", "true");
- if (git_work_tree)
- git_config_set("core.worktree", git_work_tree);
+ if (work_tree != git_work_tree_cfg)
+ git_config_set("core.worktree", work_tree);
+ }
+
+ /* Check if symlink is supported in the work tree */
+ if (!reinit) {
+ path[len] = 0;
+ strcpy(path + len, "tXXXXXX");
+ if (!close(xmkstemp(path)) &&
+ !unlink(path) &&
+ !symlink("testing", path) &&
+ !lstat(path, &st1) &&
+ S_ISLNK(st1.st_mode))
+ unlink(path); /* good */
+ else
+ git_config_set("core.symlinks", "false");
}
+
return reinit;
}
+static void 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;
+ if (!getcwd(cwd, sizeof(cwd)))
+ die("cannot tell cwd");
+ if (!strcmp(git_dir, cwd))
+ goto force_bare;
+ /*
+ * "GIT_DIR=.git or GIT_DIR=something/.git is usually not.
+ */
+ if (!strcmp(git_dir, ".git"))
+ return;
+ slash = strrchr(git_dir, '/');
+ if (slash && !strcmp(slash, "/.git"))
+ return;
+
+ /*
+ * Otherwise it is often bare. At this point
+ * we are just guessing.
+ */
+ force_bare:
+ is_bare_repository_cfg = 1;
+ return;
+}
+
static const char init_db_usage[] =
"git-init [-q | --quiet] [--template=<template-directory>] [--shared]";
int cmd_init_db(int argc, const char **argv, const char *prefix)
{
const char *git_dir;
- const char *git_work_tree;
const char *sha1_dir;
const char *template_dir = NULL;
char *path;
usage(init_db_usage);
}
- git_work_tree = get_work_tree();
+ /*
+ * GIT_WORK_TREE makes sense only in conjunction with GIT_DIR
+ * 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))
+ die("%s (or --work-tree=<directory>) not allowed without "
+ "specifying %s (or --git-dir=<directory>)",
+ 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
*/
check_repository_format();
- reinit = create_default_files(git_dir, git_work_tree, template_dir);
+ reinit = create_default_files(git_dir, template_dir);
/*
* And set up the object store.