зеркало из https://github.com/microsoft/git.git
94 строки
1.9 KiB
C
94 строки
1.9 KiB
C
/*
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* GIT - The information manager from hell
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*
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* Copyright (C) Linus Torvalds, 2005
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*/
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#include "cache.h"
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static void safe_create_dir(const char *dir)
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{
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if (mkdir(dir, 0777) < 0) {
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if (errno != EEXIST) {
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perror(dir);
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exit(1);
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}
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}
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}
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static void create_default_files(const char *git_dir)
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{
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unsigned len = strlen(git_dir);
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static char path[PATH_MAX];
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if (len > sizeof(path)-50)
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die("insane git directory %s", git_dir);
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memcpy(path, git_dir, len);
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if (len && path[len-1] != '/')
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path[len++] = '/';
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/*
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* Create .git/refs/{heads,tags}
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*/
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strcpy(path + len, "refs");
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safe_create_dir(path);
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strcpy(path + len, "refs/heads");
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safe_create_dir(path);
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strcpy(path + len, "refs/tags");
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safe_create_dir(path);
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/*
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* Create the default symlink from ".git/HEAD" to the "master"
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* branch
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*/
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strcpy(path + len, "HEAD");
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if (symlink("refs/heads/master", path) < 0) {
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if (errno != EEXIST) {
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perror(path);
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exit(1);
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}
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}
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}
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/*
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* If you want to, you can share the DB area with any number of branches.
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* That has advantages: you can save space by sharing all the SHA1 objects.
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* On the other hand, it might just make lookup slower and messier. You
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* be the judge. The default case is to have one DB per managed directory.
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*/
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int main(int argc, char **argv)
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{
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const char *git_dir;
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const char *sha1_dir;
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char *path;
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int len, i;
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/*
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* Set up the default .git directory contents
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*/
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git_dir = gitenv(GIT_DIR_ENVIRONMENT);
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if (!git_dir) {
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git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
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fprintf(stderr, "defaulting to local storage area\n");
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}
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safe_create_dir(git_dir);
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create_default_files(git_dir);
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/*
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* And set up the object store.
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*/
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sha1_dir = get_object_directory();
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len = strlen(sha1_dir);
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path = xmalloc(len + 40);
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memcpy(path, sha1_dir, len);
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safe_create_dir(sha1_dir);
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for (i = 0; i < 256; i++) {
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sprintf(path+len, "/%02x", i);
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safe_create_dir(path);
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}
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strcpy(path+len, "/pack");
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safe_create_dir(path);
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return 0;
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}
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