diff options
Diffstat (limited to 'builtin/rev-parse.c')
-rw-r--r-- | builtin/rev-parse.c | 253 |
1 files changed, 184 insertions, 69 deletions
diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c index 10d4dab894..22c4e1a4ff 100644 --- a/builtin/rev-parse.c +++ b/builtin/rev-parse.c @@ -3,6 +3,7 @@ * * Copyright (C) Linus Torvalds, 2005 */ +#define USE_THE_INDEX_COMPATIBILITY_MACROS #include "cache.h" #include "config.h" #include "commit.h" @@ -15,6 +16,7 @@ #include "split-index.h" #include "submodule.h" #include "commit-reach.h" +#include "shallow.h" #define DO_REVS 1 #define DO_NOREV 2 @@ -134,7 +136,7 @@ static void show_rev(int type, const struct object_id *oid, const char *name) struct object_id discard; char *full; - switch (dwim_ref(name, strlen(name), &discard, &full)) { + switch (dwim_ref(name, strlen(name), &discard, &full, 0)) { case 0: /* * Not found -- not a ref. We could @@ -433,11 +435,11 @@ static int cmd_parseopt(int argc, const char **argv, const char *prefix) /* get the usage up to the first line with a -- on it */ for (;;) { if (strbuf_getline(&sb, stdin) == EOF) - die("premature end of input"); + die(_("premature end of input")); ALLOC_GROW(usage, unb + 1, usz); if (!strcmp("--", sb.buf)) { if (unb < 1) - die("no usage string given before the `--' separator"); + die(_("no usage string given before the `--' separator")); usage[unb] = NULL; break; } @@ -543,7 +545,7 @@ static void die_no_single_rev(int quiet) if (quiet) exit(1); else - die("Needed a single revision"); + die(_("Needed a single revision")); } static const char builtin_rev_parse_usage[] = @@ -581,6 +583,75 @@ static void handle_ref_opt(const char *pattern, const char *prefix) clear_ref_exclusion(&ref_excludes); } +enum format_type { + /* We would like a relative path. */ + FORMAT_RELATIVE, + /* We would like a canonical absolute path. */ + FORMAT_CANONICAL, + /* We would like the default behavior. */ + FORMAT_DEFAULT, +}; + +enum default_type { + /* Our default is a relative path. */ + DEFAULT_RELATIVE, + /* Our default is a relative path if there's a shared root. */ + DEFAULT_RELATIVE_IF_SHARED, + /* Our default is a canonical absolute path. */ + DEFAULT_CANONICAL, + /* Our default is not to modify the item. */ + DEFAULT_UNMODIFIED, +}; + +static void print_path(const char *path, const char *prefix, enum format_type format, enum default_type def) +{ + char *cwd = NULL; + /* + * We don't ever produce a relative path if prefix is NULL, so set the + * prefix to the current directory so that we can produce a relative + * path whenever possible. If we're using RELATIVE_IF_SHARED mode, then + * we want an absolute path unless the two share a common prefix, so don't + * set it in that case, since doing so causes a relative path to always + * be produced if possible. + */ + if (!prefix && (format != FORMAT_DEFAULT || def != DEFAULT_RELATIVE_IF_SHARED)) + prefix = cwd = xgetcwd(); + if (format == FORMAT_DEFAULT && def == DEFAULT_UNMODIFIED) { + puts(path); + } else if (format == FORMAT_RELATIVE || + (format == FORMAT_DEFAULT && def == DEFAULT_RELATIVE)) { + /* + * In order for relative_path to work as expected, we need to + * make sure that both paths are absolute paths. If we don't, + * we can end up with an unexpected absolute path that the user + * didn't want. + */ + struct strbuf buf = STRBUF_INIT, realbuf = STRBUF_INIT, prefixbuf = STRBUF_INIT; + if (!is_absolute_path(path)) { + strbuf_realpath_forgiving(&realbuf, path, 1); + path = realbuf.buf; + } + if (!is_absolute_path(prefix)) { + strbuf_realpath_forgiving(&prefixbuf, prefix, 1); + prefix = prefixbuf.buf; + } + puts(relative_path(path, prefix, &buf)); + strbuf_release(&buf); + strbuf_release(&realbuf); + strbuf_release(&prefixbuf); + } else if (format == FORMAT_DEFAULT && def == DEFAULT_RELATIVE_IF_SHARED) { + struct strbuf buf = STRBUF_INIT; + puts(relative_path(path, prefix, &buf)); + strbuf_release(&buf); + } else { + struct strbuf buf = STRBUF_INIT; + strbuf_realpath_forgiving(&buf, path, 1); + puts(buf.buf); + strbuf_release(&buf); + } + free(cwd); +} + int cmd_rev_parse(int argc, const char **argv, const char *prefix) { int i, as_is = 0, verify = 0, quiet = 0, revs_count = 0, type = 0; @@ -592,6 +663,9 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) const char *name = NULL; struct object_context unused; struct strbuf buf = STRBUF_INIT; + const int hexsz = the_hash_algo->hexsz; + int seen_end_of_options = 0; + enum format_type format = FORMAT_DEFAULT; if (argc > 1 && !strcmp("--parseopt", argv[1])) return cmd_parseopt(argc - 1, argv + 1, prefix); @@ -619,21 +693,29 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) for (i = 1; i < argc; i++) { const char *arg = argv[i]; - if (!strcmp(arg, "--local-env-vars")) { - int i; - for (i = 0; local_repo_env[i]; i++) - printf("%s\n", local_repo_env[i]); + if (as_is) { + if (show_file(arg, output_prefix) && as_is < 2) + verify_filename(prefix, arg, 0); continue; } - if (!strcmp(arg, "--resolve-git-dir")) { - const char *gitdir = argv[++i]; - if (!gitdir) - die("--resolve-git-dir requires an argument"); - gitdir = resolve_gitdir(gitdir); - if (!gitdir) - die("not a gitdir '%s'", argv[i]); - puts(gitdir); - continue; + + if (!seen_end_of_options) { + if (!strcmp(arg, "--local-env-vars")) { + int i; + for (i = 0; local_repo_env[i]; i++) + printf("%s\n", local_repo_env[i]); + continue; + } + if (!strcmp(arg, "--resolve-git-dir")) { + const char *gitdir = argv[++i]; + if (!gitdir) + die(_("--resolve-git-dir requires an argument")); + gitdir = resolve_gitdir(gitdir); + if (!gitdir) + die(_("not a gitdir '%s'"), argv[i]); + puts(gitdir); + continue; + } } /* The rest of the options require a git repository. */ @@ -643,53 +725,61 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) did_repo_setup = 1; } - if (!strcmp(arg, "--git-path")) { - if (!argv[i + 1]) - die("--git-path requires an argument"); - strbuf_reset(&buf); - puts(relative_path(git_path("%s", argv[i + 1]), - prefix, &buf)); - i++; - continue; - } - if (as_is) { - if (show_file(arg, output_prefix) && as_is < 2) - verify_filename(prefix, arg, 0); - continue; - } - if (!strcmp(arg,"-n")) { - if (++i >= argc) - die("-n requires an argument"); - if ((filter & DO_FLAGS) && (filter & DO_REVS)) { - show(arg); - show(argv[i]); - } - continue; - } - if (starts_with(arg, "-n")) { - if ((filter & DO_FLAGS) && (filter & DO_REVS)) - show(arg); + if (!strcmp(arg, "--")) { + as_is = 2; + /* Pass on the "--" if we show anything but files.. */ + if (filter & (DO_FLAGS | DO_REVS)) + show_file(arg, 0); continue; } - if (*arg == '-') { - if (!strcmp(arg, "--")) { - as_is = 2; - /* Pass on the "--" if we show anything but files.. */ - if (filter & (DO_FLAGS | DO_REVS)) - show_file(arg, 0); + if (!seen_end_of_options && *arg == '-') { + if (!strcmp(arg, "--git-path")) { + if (!argv[i + 1]) + die(_("--git-path requires an argument")); + strbuf_reset(&buf); + print_path(git_path("%s", argv[i + 1]), prefix, + format, + DEFAULT_RELATIVE_IF_SHARED); + i++; + continue; + } + if (!strcmp(arg,"-n")) { + if (++i >= argc) + die(_("-n requires an argument")); + if ((filter & DO_FLAGS) && (filter & DO_REVS)) { + show(arg); + show(argv[i]); + } + continue; + } + if (starts_with(arg, "-n")) { + if ((filter & DO_FLAGS) && (filter & DO_REVS)) + show(arg); + continue; + } + if (opt_with_value(arg, "--path-format", &arg)) { + if (!arg) + die(_("--path-format requires an argument")); + if (!strcmp(arg, "absolute")) { + format = FORMAT_CANONICAL; + } else if (!strcmp(arg, "relative")) { + format = FORMAT_RELATIVE; + } else { + die(_("unknown argument to --path-format: %s"), arg); + } continue; } if (!strcmp(arg, "--default")) { def = argv[++i]; if (!def) - die("--default requires an argument"); + die(_("--default requires an argument")); continue; } if (!strcmp(arg, "--prefix")) { prefix = argv[++i]; if (!prefix) - die("--prefix requires an argument"); + die(_("--prefix requires an argument")); startup_info->prefix = prefix; output_prefix = 1; continue; @@ -729,8 +819,8 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) abbrev = strtoul(arg, NULL, 10); if (abbrev < MINIMUM_ABBREV) abbrev = MINIMUM_ABBREV; - else if (40 <= abbrev) - abbrev = 40; + else if (hexsz <= abbrev) + abbrev = hexsz; continue; } if (!strcmp(arg, "--sq")) { @@ -758,7 +848,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) else if (!strcmp(arg, "loose")) abbrev_ref_strict = 0; else - die("unknown mode for --abbrev-ref: %s", + die(_("unknown mode for --abbrev-ref: %s"), arg); } continue; @@ -800,13 +890,16 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) if (!strcmp(arg, "--show-toplevel")) { const char *work_tree = get_git_work_tree(); if (work_tree) - puts(work_tree); + print_path(work_tree, prefix, format, DEFAULT_UNMODIFIED); + else + die(_("this operation must be run in a work tree")); continue; } if (!strcmp(arg, "--show-superproject-working-tree")) { - const char *superproject = get_superproject_working_tree(); - if (superproject) - puts(superproject); + struct strbuf superproject = STRBUF_INIT; + if (get_superproject_working_tree(&superproject)) + print_path(superproject.buf, prefix, format, DEFAULT_UNMODIFIED); + strbuf_release(&superproject); continue; } if (!strcmp(arg, "--show-prefix")) { @@ -840,33 +933,38 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) const char *gitdir = getenv(GIT_DIR_ENVIRONMENT); char *cwd; int len; + enum format_type wanted = format; if (arg[2] == 'g') { /* --git-dir */ if (gitdir) { - puts(gitdir); + print_path(gitdir, prefix, format, DEFAULT_UNMODIFIED); continue; } if (!prefix) { - puts(".git"); + print_path(".git", prefix, format, DEFAULT_UNMODIFIED); continue; } } else { /* --absolute-git-dir */ + wanted = FORMAT_CANONICAL; if (!gitdir && !prefix) gitdir = ".git"; if (gitdir) { - puts(real_path(gitdir)); + struct strbuf realpath = STRBUF_INIT; + strbuf_realpath(&realpath, gitdir, 1); + puts(realpath.buf); + strbuf_release(&realpath); continue; } } cwd = xgetcwd(); len = strlen(cwd); - printf("%s%s.git\n", cwd, len && cwd[len-1] != '/' ? "/" : ""); + strbuf_reset(&buf); + strbuf_addf(&buf, "%s%s.git", cwd, len && cwd[len-1] != '/' ? "/" : ""); free(cwd); + print_path(buf.buf, prefix, wanted, DEFAULT_CANONICAL); continue; } if (!strcmp(arg, "--git-common-dir")) { - strbuf_reset(&buf); - puts(relative_path(get_git_common_dir(), - prefix, &buf)); + print_path(get_git_common_dir(), prefix, format, DEFAULT_RELATIVE_IF_SHARED); continue; } if (!strcmp(arg, "--is-inside-git-dir")) { @@ -896,8 +994,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) if (the_index.split_index) { const struct object_id *oid = &the_index.split_index->base_oid; const char *path = git_path("sharedindex.%s", oid_to_hex(oid)); - strbuf_reset(&buf); - puts(relative_path(path, prefix, &buf)); + print_path(path, prefix, format, DEFAULT_RELATIVE); } continue; } @@ -917,6 +1014,23 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) show_datestring("--min-age=", arg); continue; } + if (opt_with_value(arg, "--show-object-format", &arg)) { + const char *val = arg ? arg : "storage"; + + if (strcmp(val, "storage") && + strcmp(val, "input") && + strcmp(val, "output")) + die(_("unknown mode for --show-object-format: %s"), + arg); + puts(the_hash_algo->name); + continue; + } + if (!strcmp(arg, "--end-of-options")) { + seen_end_of_options = 1; + if (filter & (DO_FLAGS | DO_REVS)) + show_file(arg, 0); + continue; + } if (show_flag(arg) && verify) die_no_single_rev(quiet); continue; @@ -933,7 +1047,8 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) name++; type = REVERSED; } - if (!get_oid_with_context(name, flags, &oid, &unused)) { + if (!get_oid_with_context(the_repository, name, + flags, &oid, &unused)) { if (verify) revs_count++; else @@ -943,7 +1058,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) if (verify) die_no_single_rev(quiet); if (has_dashdash) - die("bad revision '%s'", arg); + die(_("bad revision '%s'"), arg); as_is = 1; if (!show_file(arg, output_prefix)) continue; |