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authorTimo Hirvonen <tihirvon@gmail.com>2006-05-19 10:03:57 (GMT)
committerJunio C Hamano <junkio@cox.net>2006-05-19 22:31:20 (GMT)
commitc3c8835fbb182d971d71939b9a3ec7c8b86d6caf (patch)
tree51e131c98ede9de99840104851c6615a2e57e142 /init-db.c
parent8090c08e1e90274d35bbf06238d2933759f3a1bb (diff)
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Builtin git-init-db
Basically this just renames init-db.c to builtin-init-db.c and makes some strings const. Signed-off-by: Timo Hirvonen <tihirvon@gmail.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
Diffstat (limited to 'init-db.c')
-rw-r--r--init-db.c291
1 files changed, 0 insertions, 291 deletions
diff --git a/init-db.c b/init-db.c
deleted file mode 100644
index ff29496..0000000
--- a/init-db.c
+++ /dev/null
@@ -1,291 +0,0 @@
-/*
- * GIT - The information manager from hell
- *
- * Copyright (C) Linus Torvalds, 2005
- */
-#include "cache.h"
-
-#ifndef DEFAULT_GIT_TEMPLATE_DIR
-#define DEFAULT_GIT_TEMPLATE_DIR "/usr/share/git-core/templates/"
-#endif
-
-static void safe_create_dir(const char *dir, int share)
-{
- if (mkdir(dir, 0777) < 0) {
- if (errno != EEXIST) {
- perror(dir);
- exit(1);
- }
- }
- else if (share && adjust_shared_perm(dir))
- 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);
- close(fdo);
-
- 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)
-{
- struct dirent *de;
-
- /* Note: if ".git/hooks" file exists in the repository being
- * re-initialized, /etc/core-git/templates/hooks/update would
- * cause git-init-db 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.
- */
- safe_create_dir(path, 1);
- while ((de = readdir(dir)) != NULL) {
- struct stat st_git, st_template;
- int namelen;
- int exists = 0;
-
- 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)) {
- if (errno != ENOENT)
- die("cannot stat %s", path);
- }
- else
- exists = 1;
-
- if (lstat(template, &st_template))
- die("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);
- 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);
- 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("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);
- }
- 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);
- }
- else
- error("ignoring template %s", template);
- }
-}
-
-static void copy_templates(const char *git_dir, int len, char *template_dir)
-{
- char path[PATH_MAX];
- char template_path[PATH_MAX];
- int template_len;
- DIR *dir;
-
- if (!template_dir)
- template_dir = DEFAULT_GIT_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);
- return;
- }
-
- /* Make sure that template is from the correct vintage */
- strcpy(template_path + template_len, "config");
- repository_format_version = 0;
- git_config_from_file(check_repository_format_version,
- template_path);
- template_path[template_len] = 0;
-
- 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",
- repository_format_version,
- template_dir);
- closedir(dir);
- return;
- }
-
- memcpy(path, git_dir, len);
- path[len] = 0;
- copy_templates_1(path, len,
- template_path, template_len,
- dir);
- closedir(dir);
-}
-
-static void create_default_files(const char *git_dir, 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];
-
- 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}
- */
- 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);
-
- /* 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);
-
- git_config(git_default_config);
-
- /*
- * Create the default symlink from ".git/HEAD" to the "master"
- * branch, if it does not exist yet.
- */
- strcpy(path + len, "HEAD");
- if (read_ref(path, sha1) < 0) {
- if (create_symref(path, "refs/heads/master") < 0)
- exit(1);
- }
-
- /* This forces creation of new config file */
- sprintf(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 */
- if (!lstat(path, &st1)) {
- struct stat st2;
- int filemode = (!chmod(path, st1.st_mode ^ S_IXUSR) &&
- !lstat(path, &st2) &&
- st1.st_mode != st2.st_mode);
- git_config_set("core.filemode",
- filemode ? "true" : "false");
- }
-}
-
-static const char init_db_usage[] =
-"git-init-db [--template=<template-directory>] [--shared]";
-
-/*
- * If you want to, you can share the DB area with any number of branches.
- * That has advantages: you can save space by sharing all the SHA1 objects.
- * On the other hand, it might just make lookup slower and messier. You
- * be the judge. The default case is to have one DB per managed directory.
- */
-int main(int argc, char **argv)
-{
- const char *git_dir;
- const char *sha1_dir;
- char *path, *template_dir = NULL;
- int len, i;
-
- for (i = 1; i < argc; i++, argv++) {
- char *arg = argv[1];
- if (!strncmp(arg, "--template=", 11))
- template_dir = arg+11;
- else if (!strcmp(arg, "--shared"))
- shared_repository = 1;
- else
- die(init_db_usage);
- }
-
- /*
- * Set up the default .git directory contents
- */
- git_dir = getenv(GIT_DIR_ENVIRONMENT);
- if (!git_dir) {
- git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
- fprintf(stderr, "defaulting to local storage area\n");
- }
- 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();
-
- 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)
- git_config_set("core.sharedRepository", "true");
-
- return 0;
-}