diff options
Diffstat (limited to 'init-db.c')
-rw-r--r-- | init-db.c | 291 |
1 files changed, 0 insertions, 291 deletions
diff --git a/init-db.c b/init-db.c deleted file mode 100644 index ff294960f2..0000000000 --- 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; -} |