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/* * GIT - The information manager from hell * * Copyright (C) Linus Torvalds, 2005 */ #include "cache.h" #include "blob.h" #include "tree.h" #include "commit.h" #include "quote.h" #include "builtin.h" static int line_termination = '\n'; #define LS_RECURSIVE 1 #define LS_TREE_ONLY 2 #define LS_SHOW_TREES 4 #define LS_NAME_ONLY 8 #define LS_SHOW_SIZE 16 static int abbrev; static int ls_options; static const char **pathspec; static int chomp_prefix; static const char *ls_tree_prefix; static const char ls_tree_usage[] = "git ls-tree [-d] [-r] [-t] [-l] [-z] [--name-only] [--name-status] [--full-name] [--full-tree] [--abbrev[=<n>]] <tree-ish> [path...]"; static int show_recursive(const char *base, int baselen, const char *pathname) { const char **s; if (ls_options & LS_RECURSIVE) return 1; s = pathspec; if (!s) return 0; for (;;) { const char *spec = *s++; int len, speclen; if (!spec) return 0; if (strncmp(base, spec, baselen)) continue; len = strlen(pathname); spec += baselen; speclen = strlen(spec); if (speclen <= len) continue; if (memcmp(pathname, spec, len)) continue; return 1; } } static int show_tree(const unsigned char *sha1, const char *base, int baselen, const char *pathname, unsigned mode, int stage, void *context) { int retval = 0; const char *type = blob_type; if (S_ISGITLINK(mode)) { /* * Maybe we want to have some recursive version here? * * Something similar to this incomplete example: * if (show_subprojects(base, baselen, pathname)) retval = READ_TREE_RECURSIVE; * */ type = commit_type; } else if (S_ISDIR(mode)) { if (show_recursive(base, baselen, pathname)) { retval = READ_TREE_RECURSIVE; if (!(ls_options & LS_SHOW_TREES)) return retval; } type = tree_type; } else if (ls_options & LS_TREE_ONLY) return 0; if (chomp_prefix && (baselen < chomp_prefix || memcmp(ls_tree_prefix, base, chomp_prefix))) return 0; if (!(ls_options & LS_NAME_ONLY)) { if (ls_options & LS_SHOW_SIZE) { char size_text[24]; if (!strcmp(type, blob_type)) { unsigned long size; if (sha1_object_info(sha1, &size) == OBJ_BAD) strcpy(size_text, "BAD"); else snprintf(size_text, sizeof(size_text), "%lu", size); } else strcpy(size_text, "-"); printf("%06o %s %s %7s\t", mode, type, abbrev ? find_unique_abbrev(sha1, abbrev) : sha1_to_hex(sha1), size_text); } else printf("%06o %s %s\t", mode, type, abbrev ? find_unique_abbrev(sha1, abbrev) : sha1_to_hex(sha1)); } write_name_quotedpfx(base + chomp_prefix, baselen - chomp_prefix, pathname, stdout, line_termination); return retval; } int cmd_ls_tree(int argc, const char **argv, const char *prefix) { unsigned char sha1[20]; struct tree *tree; git_config(git_default_config, NULL); ls_tree_prefix = prefix; if (prefix && *prefix) chomp_prefix = strlen(prefix); while (1 < argc && argv[1][0] == '-') { switch (argv[1][1]) { case 'z': line_termination = 0; break; case 'r': ls_options |= LS_RECURSIVE; break; case 'd': ls_options |= LS_TREE_ONLY; break; case 't': ls_options |= LS_SHOW_TREES; break; case 'l': ls_options |= LS_SHOW_SIZE; break; case '-': if (!strcmp(argv[1]+2, "name-only") || !strcmp(argv[1]+2, "name-status")) { ls_options |= LS_NAME_ONLY; break; } if (!strcmp(argv[1]+2, "long")) { ls_options |= LS_SHOW_SIZE; break; } if (!strcmp(argv[1]+2, "full-name")) { chomp_prefix = 0; break; } if (!strcmp(argv[1]+2, "full-tree")) { ls_tree_prefix = prefix = NULL; chomp_prefix = 0; break; } if (!prefixcmp(argv[1]+2, "abbrev=")) { abbrev = strtoul(argv[1]+9, NULL, 10); if (abbrev && abbrev < MINIMUM_ABBREV) abbrev = MINIMUM_ABBREV; else if (abbrev > 40) abbrev = 40; break; } if (!strcmp(argv[1]+2, "abbrev")) { abbrev = DEFAULT_ABBREV; break; } /* otherwise fallthru */ default: usage(ls_tree_usage); } argc--; argv++; } /* -d -r should imply -t, but -d by itself should not have to. */ if ( (LS_TREE_ONLY|LS_RECURSIVE) == ((LS_TREE_ONLY|LS_RECURSIVE) & ls_options)) ls_options |= LS_SHOW_TREES; if (argc < 2) usage(ls_tree_usage); if (get_sha1(argv[1], sha1)) die("Not a valid object name %s", argv[1]); pathspec = get_pathspec(prefix, argv + 2); tree = parse_tree_indirect(sha1); if (!tree) die("not a tree object"); read_tree_recursive(tree, "", 0, 0, pathspec, show_tree, NULL); return 0; }
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