diff options
Diffstat (limited to 'builtin/rev-parse.c')
-rw-r--r-- | builtin/rev-parse.c | 131 |
1 files changed, 73 insertions, 58 deletions
diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c index 4d10dd9545..c961b74c5a 100644 --- a/builtin/rev-parse.c +++ b/builtin/rev-parse.c @@ -190,17 +190,17 @@ static int show_default(void) return 0; } -static int show_reference(const char *refname, const unsigned char *sha1, int flag, void *cb_data) +static int show_reference(const char *refname, const struct object_id *oid, int flag, void *cb_data) { if (ref_excluded(ref_excludes, refname)) return 0; - show_rev(NORMAL, sha1, refname); + show_rev(NORMAL, oid->hash, refname); return 0; } -static int anti_reference(const char *refname, const unsigned char *sha1, int flag, void *cb_data) +static int anti_reference(const char *refname, const struct object_id *oid, int flag, void *cb_data) { - show_rev(REVERSED, sha1, refname); + show_rev(REVERSED, oid->hash, refname); return 0; } @@ -281,11 +281,8 @@ static int try_difference(const char *arg) b = lookup_commit_reference(end); exclude = get_merge_bases(a, b); while (exclude) { - struct commit_list *n = exclude->next; - show_rev(REVERSED, - exclude->item->object.sha1,NULL); - free(exclude); - exclude = n; + struct commit *commit = pop_commit(&exclude); + show_rev(REVERSED, commit->object.oid.hash, NULL); } } *dotdot = '.'; @@ -322,7 +319,7 @@ static int try_parent_shorthands(const char *arg) commit = lookup_commit_reference(sha1); for (parents = commit->parents; parents; parents = parents->next) show_rev(parents_only ? NORMAL : REVERSED, - parents->item->object.sha1, arg); + parents->item->object.oid.hash, arg); *dotdot = '^'; return 1; @@ -371,6 +368,7 @@ static int cmd_parseopt(int argc, const char **argv, const char *prefix) N_("output in stuck long form")), OPT_END(), }; + static const char * const flag_chars = "*=?!"; struct strbuf sb = STRBUF_INIT, parsed = STRBUF_INIT; const char **usage = NULL; @@ -385,7 +383,7 @@ 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, '\n') == EOF) + if (strbuf_getline(&sb, stdin) == EOF) die("premature end of input"); ALLOC_GROW(usage, unb + 1, usz); if (!strcmp("--", sb.buf)) { @@ -398,9 +396,9 @@ static int cmd_parseopt(int argc, const char **argv, const char *prefix) } /* parse: (<short>|<short>,<long>|<long>)[*=?!]*<arghint>? SP+ <help> */ - while (strbuf_getline(&sb, stdin, '\n') != EOF) { + while (strbuf_getline(&sb, stdin) != EOF) { const char *s; - const char *end; + const char *help; struct option *o; if (!sb.len) @@ -410,54 +408,56 @@ static int cmd_parseopt(int argc, const char **argv, const char *prefix) memset(opts + onb, 0, sizeof(opts[onb])); o = &opts[onb++]; - s = strchr(sb.buf, ' '); - if (!s || *sb.buf == ' ') { + help = strchr(sb.buf, ' '); + if (!help || *sb.buf == ' ') { o->type = OPTION_GROUP; o->help = xstrdup(skipspaces(sb.buf)); continue; } o->type = OPTION_CALLBACK; - o->help = xstrdup(skipspaces(s)); + o->help = xstrdup(skipspaces(help)); o->value = &parsed; o->flags = PARSE_OPT_NOARG; o->callback = &parseopt_dump; - /* Possible argument name hint */ - end = s; - while (s > sb.buf && strchr("*=?!", s[-1]) == NULL) - --s; - if (s != sb.buf && s != end) - o->argh = xmemdupz(s, end - s); - if (s == sb.buf) - s = end; - - while (s > sb.buf && strchr("*=?!", s[-1])) { - switch (*--s) { + /* name(s) */ + s = strpbrk(sb.buf, flag_chars); + if (s == NULL) + s = help; + + if (s - sb.buf == 1) /* short option only */ + o->short_name = *sb.buf; + else if (sb.buf[1] != ',') /* long option only */ + o->long_name = xmemdupz(sb.buf, s - sb.buf); + else { + o->short_name = *sb.buf; + o->long_name = xmemdupz(sb.buf + 2, s - sb.buf - 2); + } + + /* flags */ + while (s < help) { + switch (*s++) { case '=': o->flags &= ~PARSE_OPT_NOARG; - break; + continue; case '?': o->flags &= ~PARSE_OPT_NOARG; o->flags |= PARSE_OPT_OPTARG; - break; + continue; case '!': o->flags |= PARSE_OPT_NONEG; - break; + continue; case '*': o->flags |= PARSE_OPT_HIDDEN; - break; + continue; } + s--; + break; } - if (s - sb.buf == 1) /* short option only */ - o->short_name = *sb.buf; - else if (sb.buf[1] != ',') /* long option only */ - o->long_name = xmemdupz(sb.buf, s - sb.buf); - else { - o->short_name = *sb.buf; - o->long_name = xmemdupz(sb.buf + 2, s - sb.buf - 2); - } + if (s < help) + o->argh = xmemdupz(s, help - s); } strbuf_release(&sb); @@ -505,6 +505,7 @@ N_("git rev-parse --parseopt [<options>] -- [<args>...]\n" 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; + int did_repo_setup = 0; int has_dashdash = 0; int output_prefix = 0; unsigned char sha1[20]; @@ -528,11 +529,40 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) } } - prefix = setup_git_directory(); - git_config(git_default_config, NULL); + /* No options; just report on whether we're in a git repo or not. */ + if (argc == 1) { + setup_git_directory(); + git_config(git_default_config, NULL); + return 0; + } + 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]); + 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. */ + if (!did_repo_setup) { + prefix = setup_git_directory(); + git_config(git_default_config, NULL); + did_repo_setup = 1; + } + if (!strcmp(arg, "--git-path")) { if (!argv[i + 1]) die("--git-path requires an argument"); @@ -706,12 +736,6 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) add_ref_exclusion(&ref_excludes, arg + 10); continue; } - 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, "--show-toplevel")) { const char *work_tree = get_git_work_tree(); if (work_tree) @@ -763,17 +787,8 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) continue; } if (!strcmp(arg, "--git-common-dir")) { - puts(get_git_common_dir()); - 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); + const char *pfx = prefix ? prefix : ""; + puts(prefix_filename(pfx, strlen(pfx), get_git_common_dir())); continue; } if (!strcmp(arg, "--is-inside-git-dir")) { |