| /* |
| * Copyright (c) 2005, 2006 Rene Scharfe |
| */ |
| #include "cache.h" |
| #include "commit.h" |
| #include "tar.h" |
| #include "builtin.h" |
| #include "quote.h" |
| |
| static const char tar_tree_usage[] = |
| "git tar-tree [--remote=<repo>] <tree-ish> [basedir]\n" |
| "*** Note that this command is now deprecated; use \"git archive\" instead."; |
| |
| int cmd_tar_tree(int argc, const char **argv, const char *prefix) |
| { |
| /* |
| * "git tar-tree" is now a wrapper around "git archive --format=tar" |
| * |
| * $0 --remote=<repo> arg... ==> |
| * git archive --format=tar --remote=<repo> arg... |
| * $0 tree-ish ==> |
| * git archive --format=tar tree-ish |
| * $0 tree-ish basedir ==> |
| * git archive --format-tar --prefix=basedir tree-ish |
| */ |
| int i; |
| const char **nargv = xcalloc(sizeof(*nargv), argc + 3); |
| char *basedir_arg; |
| int nargc = 0; |
| |
| nargv[nargc++] = "archive"; |
| nargv[nargc++] = "--format=tar"; |
| |
| if (2 <= argc && !prefixcmp(argv[1], "--remote=")) { |
| nargv[nargc++] = argv[1]; |
| argv++; |
| argc--; |
| } |
| |
| /* |
| * Because it's just a compatibility wrapper, tar-tree supports only |
| * the old behaviour of reading attributes from the work tree. |
| */ |
| nargv[nargc++] = "--worktree-attributes"; |
| |
| switch (argc) { |
| default: |
| usage(tar_tree_usage); |
| break; |
| case 3: |
| /* base-path */ |
| basedir_arg = xmalloc(strlen(argv[2]) + 11); |
| sprintf(basedir_arg, "--prefix=%s/", argv[2]); |
| nargv[nargc++] = basedir_arg; |
| /* fallthru */ |
| case 2: |
| /* tree-ish */ |
| nargv[nargc++] = argv[1]; |
| } |
| nargv[nargc] = NULL; |
| |
| fprintf(stderr, |
| "*** \"git tar-tree\" is now deprecated.\n" |
| "*** Running \"git archive\" instead.\n***"); |
| for (i = 0; i < nargc; i++) { |
| fputc(' ', stderr); |
| sq_quote_print(stderr, nargv[i]); |
| } |
| fputc('\n', stderr); |
| return cmd_archive(nargc, nargv, prefix); |
| } |
| |
| /* ustar header + extended global header content */ |
| #define RECORDSIZE (512) |
| #define HEADERSIZE (2 * RECORDSIZE) |
| |
| 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; |
| char *content = buffer + RECORDSIZE; |
| ssize_t n; |
| |
| n = read_in_full(0, buffer, HEADERSIZE); |
| if (n < HEADERSIZE) |
| die("git get-tar-commit-id: read error"); |
| if (header->typeflag[0] != 'g') |
| return 1; |
| if (memcmp(content, "52 comment=", 11)) |
| return 1; |
| |
| n = write_in_full(1, content + 11, 41); |
| if (n < 41) |
| die_errno("git get-tar-commit-id: write error"); |
| |
| return 0; |
| } |