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-rw-r--r--builtin-init-db.c142
1 files changed, 102 insertions, 40 deletions
diff --git a/builtin-init-db.c b/builtin-init-db.c
index baf0d09ac4..dd84caecbc 100644
--- a/builtin-init-db.c
+++ b/builtin-init-db.c
@@ -6,6 +6,7 @@
#include "cache.h"
#include "builtin.h"
#include "exec_cmd.h"
+#include "parse-options.h"
#ifndef DEFAULT_GIT_TEMPLATE_DIR
#define DEFAULT_GIT_TEMPLATE_DIR "/usr/share/git-core/templates"
@@ -17,6 +18,9 @@
#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) {
@@ -26,7 +30,7 @@ static void safe_create_dir(const char *dir, int share)
}
}
else if (share && adjust_shared_perm(dir))
- die("Could not make %s writable by group\n", dir);
+ die("Could not make %s writable by group", dir);
}
static void copy_templates_1(char *path, int baselen,
@@ -37,7 +41,7 @@ static void copy_templates_1(char *path, int baselen,
/* 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.
@@ -58,20 +62,20 @@ static void copy_templates_1(char *path, int baselen,
memcpy(template + template_baselen, de->d_name, namelen+1);
if (lstat(path, &st_git)) {
if (errno != ENOENT)
- die("cannot stat %s", path);
+ die_errno("cannot stat '%s'", path);
}
else
exists = 1;
if (lstat(template, &st_template))
- die("cannot stat template %s", template);
+ die_errno("cannot stat template '%s'", template);
if (S_ISDIR(st_template.st_mode)) {
DIR *subdir = opendir(template);
int baselen_sub = baselen + namelen;
int template_baselen_sub = template_baselen + namelen;
if (!subdir)
- die("cannot opendir %s", template);
+ die_errno("cannot opendir '%s'", template);
path[baselen_sub++] =
template[template_baselen_sub++] = '/';
path[baselen_sub] =
@@ -88,16 +92,17 @@ static void copy_templates_1(char *path, int baselen,
int len;
len = readlink(template, lnk, sizeof(lnk));
if (len < 0)
- die("cannot readlink %s", template);
+ die_errno("cannot readlink '%s'", template);
if (sizeof(lnk) <= len)
die("insanely long symlink %s", template);
lnk[len] = 0;
if (symlink(lnk, path))
- die("cannot symlink %s %s", lnk, path);
+ die_errno("cannot symlink '%s' '%s'", lnk, path);
}
else if (S_ISREG(st_template.st_mode)) {
if (copy_file(path, template, st_template.st_mode))
- die("cannot copy %s to %s", template, path);
+ die_errno("cannot copy '%s' to '%s'", template,
+ path);
}
else
error("ignoring template %s", template);
@@ -119,16 +124,17 @@ static void copy_templates(const char *template_dir)
template_dir = system_path(DEFAULT_GIT_TEMPLATE_DIR);
if (!template_dir[0])
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);
- template_len = strlen(template_path);
if (template_path[template_len-1] != '/') {
template_path[template_len++] = '/';
template_path[template_len] = 0;
}
dir = opendir(template_path);
if (!dir) {
- fprintf(stderr, "warning: templates not found %s\n",
- template_dir);
+ warning("templates not found %s", template_dir);
return;
}
@@ -141,8 +147,8 @@ static void copy_templates(const char *template_dir)
if (repository_format_version &&
repository_format_version != GIT_REPO_VERSION) {
- fprintf(stderr, "warning: not copying templates of "
- "a wrong format version %d from '%s'\n",
+ warning("not copying templates of "
+ "a wrong format version %d from '%s'",
repository_format_version,
template_dir);
closedir(dir);
@@ -191,6 +197,11 @@ static int create_default_files(const char *template_path)
copy_templates(template_path);
git_config(git_default_config, NULL);
+ is_bare_repository_cfg = init_is_bare_repository;
+
+ /* reading existing config may have overwrote it */
+ if (init_shared_repository != -1)
+ shared_repository = init_shared_repository;
/*
* We would have created the above under user's umask -- under
@@ -277,6 +288,8 @@ int init_db(const char *template_dir, unsigned int flags)
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
@@ -305,12 +318,15 @@ int init_db(const char *template_dir, unsigned int flags)
* and compatibility values for PERM_GROUP and
* PERM_EVERYBODY.
*/
- if (shared_repository == PERM_GROUP)
+ if (shared_repository < 0)
+ /* force to the mode value */
+ sprintf(buf, "0%o", -shared_repository);
+ else 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);
+ die("oops");
git_config_set("core.sharedrepository", buf);
git_config_set("receive.denyNonFastforwards", "true");
}
@@ -336,7 +352,7 @@ static int guess_repository_type(const char *git_dir)
if (!strcmp(".", git_dir))
return 1;
if (!getcwd(cwd, sizeof(cwd)))
- die("cannot tell cwd");
+ die_errno("cannot tell cwd");
if (!strcmp(git_dir, cwd))
return 1;
/*
@@ -355,8 +371,16 @@ static int guess_repository_type(const char *git_dir)
return 1;
}
-static const char init_db_usage[] =
-"git init [-q | --quiet] [--bare] [--template=<template-directory>] [--shared[=<permissions>]]";
+static int shared_callback(const struct option *opt, const char *arg, int unset)
+{
+ *((int *) opt->value) = (arg) ? git_config_perm("arg", arg) : PERM_GROUP;
+ return 0;
+}
+
+static const char *const init_db_usage[] = {
+ "git init [-q | --quiet] [--bare] [--template=<template-directory>] [--shared[=<permissions>]] [directory]",
+ NULL
+};
/*
* If you want to, you can share the DB area with any number of branches.
@@ -369,26 +393,64 @@ int cmd_init_db(int argc, const char **argv, const char *prefix)
const char *git_dir;
const char *template_dir = NULL;
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, "--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"))
- shared_repository = PERM_GROUP;
- else if (!prefixcmp(arg, "--shared="))
- shared_repository = git_config_perm("arg", arg+9);
- else if (!strcmp(arg, "-q") || !strcmp(arg, "--quiet"))
- flags |= INIT_DB_QUIET;
- else
- usage(init_db_usage);
+ const struct option init_db_options[] = {
+ OPT_STRING(0, "template", &template_dir, "template-directory",
+ "provide the directory from which templates will be used"),
+ OPT_SET_INT(0, "bare", &is_bare_repository_cfg,
+ "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",
+ PARSE_OPT_OPTARG | PARSE_OPT_NONEG, shared_callback, 0},
+ OPT_BIT('q', "quiet", &flags, "be quiet", INIT_DB_QUIET),
+ OPT_END()
+ };
+
+ argc = parse_options(argc, argv, prefix, init_db_options, init_db_usage, 0);
+
+ if (argc == 1) {
+ int mkdir_tried = 0;
+ retry:
+ if (chdir(argv[0]) < 0) {
+ if (!mkdir_tried) {
+ int saved;
+ /*
+ * At this point we haven't read any configuration,
+ * and we know shared_repository should always be 0;
+ * but just in case we play safe.
+ */
+ saved = shared_repository;
+ shared_repository = 0;
+ switch (safe_create_leading_directories_const(argv[0])) {
+ case -3:
+ errno = EEXIST;
+ /* fallthru */
+ case -1:
+ die_errno("cannot mkdir %s", argv[0]);
+ break;
+ default:
+ break;
+ }
+ shared_repository = saved;
+ if (mkdir(argv[0], 0777) < 0)
+ die_errno("cannot mkdir %s", argv[0]);
+ mkdir_tried = 1;
+ goto retry;
+ }
+ die_errno("cannot chdir to %s", argv[0]);
+ }
+ } else if (0 < argc) {
+ 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)), 0);
+ }
+
+ if (init_shared_repository != -1)
+ shared_repository = init_shared_repository;
/*
* GIT_WORK_TREE makes sense only in conjunction with GIT_DIR
@@ -423,11 +485,11 @@ int cmd_init_db(int argc, const char **argv, const char *prefix)
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.");
+ die_errno ("Cannot access current working directory");
}
if (access(get_git_work_tree(), X_OK))
- die ("Cannot access work tree '%s'",
- get_git_work_tree());
+ die_errno ("Cannot access work tree '%s'",
+ get_git_work_tree());
}
set_git_dir(make_absolute_path(git_dir));