diff options
Diffstat (limited to 'builtin-tar-tree.c')
-rw-r--r-- | builtin-tar-tree.c | 36 |
1 files changed, 26 insertions, 10 deletions
diff --git a/builtin-tar-tree.c b/builtin-tar-tree.c index f2e48aae2a..215892b696 100644 --- a/builtin-tar-tree.c +++ b/builtin-tar-tree.c @@ -20,6 +20,7 @@ static char block[BLOCKSIZE]; static unsigned long offset; static time_t archive_time; +static int tar_umask; /* tries hard to write, either succeeds or dies in the attempt */ static void reliable_write(const void *data, unsigned long size) @@ -188,13 +189,13 @@ static void write_entry(const unsigned char *sha1, struct strbuf *path, } else { if (S_ISDIR(mode)) { *header.typeflag = TYPEFLAG_DIR; - mode |= 0777; + mode = (mode | 0777) & ~tar_umask; } else if (S_ISLNK(mode)) { *header.typeflag = TYPEFLAG_LNK; mode |= 0777; } else if (S_ISREG(mode)) { *header.typeflag = TYPEFLAG_REG; - mode |= (mode & 0100) ? 0777 : 0666; + mode = (mode | ((mode & 0100) ? 0777 : 0666)) & ~tar_umask; } else { error("unsupported file mode: 0%o (SHA1: %s)", mode, sha1_to_hex(sha1)); @@ -293,19 +294,33 @@ static void traverse_tree(struct tree_desc *tree, struct strbuf *path) } } -static int generate_tar(int argc, const char **argv, char** envp) +int git_tar_config(const char *var, const char *value) +{ + if (!strcmp(var, "tar.umask")) { + if (!strcmp(value, "user")) { + tar_umask = umask(0); + umask(tar_umask); + } else { + tar_umask = git_config_int(var, value); + } + return 0; + } + return git_default_config(var, value); +} + +static int generate_tar(int argc, const char **argv, const char *prefix) { unsigned char sha1[20], tree_sha1[20]; struct commit *commit; struct tree_desc tree; struct strbuf current_path; + void *buffer; current_path.buf = xmalloc(PATH_MAX); current_path.alloc = PATH_MAX; current_path.len = current_path.eof = 0; - setup_git_directory(); - git_config(git_default_config); + git_config(git_tar_config); switch (argc) { case 3: @@ -327,8 +342,8 @@ static int generate_tar(int argc, const char **argv, char** envp) } else archive_time = time(NULL); - tree.buf = read_object_with_reference(sha1, tree_type, &tree.size, - tree_sha1); + tree.buf = buffer = read_object_with_reference(sha1, tree_type, + &tree.size, tree_sha1); if (!tree.buf) die("not a reference to a tag, commit or tree object: %s", sha1_to_hex(sha1)); @@ -337,6 +352,7 @@ static int generate_tar(int argc, const char **argv, char** envp) write_entry(tree_sha1, ¤t_path, 040777, NULL, 0); traverse_tree(&tree, ¤t_path); write_trailer(); + free(buffer); free(current_path.buf); return 0; } @@ -387,19 +403,19 @@ static int remote_tar(int argc, const char **argv) return !!ret; } -int cmd_tar_tree(int argc, const char **argv, char **envp) +int cmd_tar_tree(int argc, const char **argv, const char *prefix) { if (argc < 2) usage(tar_tree_usage); if (!strncmp("--remote=", argv[1], 9)) return remote_tar(argc, argv); - return generate_tar(argc, argv, envp); + return generate_tar(argc, argv, prefix); } /* ustar header + extended global header content */ #define HEADERSIZE (2 * RECORDSIZE) -int cmd_get_tar_commit_id(int argc, const char **argv, char **envp) +int cmd_get_tar_commit_id(int argc, const char **argv, const char *prefix) { char buffer[HEADERSIZE]; struct ustar_header *header = (struct ustar_header *)buffer; |