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-rw-r--r--builtin/rev-parse.c105
1 files changed, 79 insertions, 26 deletions
diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c
index c4b768ffda..95328b80d9 100644
--- a/builtin/rev-parse.c
+++ b/builtin/rev-parse.c
@@ -9,6 +9,9 @@
#include "quote.h"
#include "builtin.h"
#include "parse-options.h"
+#include "diff.h"
+#include "revision.h"
+#include "split-index.h"
#define DO_REVS 1
#define DO_NOREV 2
@@ -30,6 +33,9 @@ static int abbrev_ref;
static int abbrev_ref_strict;
static int output_sq;
+static int stuck_long;
+static struct string_list *ref_excludes;
+
/*
* Some arguments are relevant "revision" arguments,
* others are about output format or other details.
@@ -145,6 +151,7 @@ static void show_rev(int type, const unsigned char *sha1, const char *name)
error("refname '%s' is ambiguous", name);
break;
}
+ free(full);
} else {
show_with_type(type, name);
}
@@ -185,6 +192,8 @@ static int show_default(void)
static int show_reference(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
{
+ if (ref_excluded(ref_excludes, refname))
+ return 0;
show_rev(NORMAL, sha1, refname);
return 0;
}
@@ -270,7 +279,7 @@ static int try_difference(const char *arg)
struct commit *a, *b;
a = lookup_commit_reference(sha1);
b = lookup_commit_reference(end);
- exclude = get_merge_bases(a, b, 1);
+ exclude = get_merge_bases(a, b);
while (exclude) {
struct commit_list *n = exclude->next;
show_rev(REVERSED,
@@ -324,12 +333,15 @@ static int parseopt_dump(const struct option *o, const char *arg, int unset)
struct strbuf *parsed = o->value;
if (unset)
strbuf_addf(parsed, " --no-%s", o->long_name);
- else if (o->short_name)
+ else if (o->short_name && (o->long_name == NULL || !stuck_long))
strbuf_addf(parsed, " -%c", o->short_name);
else
strbuf_addf(parsed, " --%s", o->long_name);
if (arg) {
- strbuf_addch(parsed, ' ');
+ if (!stuck_long)
+ strbuf_addch(parsed, ' ');
+ else if (o->long_name)
+ strbuf_addch(parsed, '=');
sq_quote_buf(parsed, arg);
}
return 0;
@@ -355,6 +367,8 @@ static int cmd_parseopt(int argc, const char **argv, const char *prefix)
OPT_BOOL(0, "stop-at-non-option", &stop_at_non_option,
N_("stop parsing after the "
"first non-option argument")),
+ OPT_BOOL(0, "stuck-long", &stuck_long,
+ N_("output in stuck long form")),
OPT_END(),
};
@@ -383,9 +397,10 @@ static int cmd_parseopt(int argc, const char **argv, const char *prefix)
usage[unb++] = strbuf_detach(&sb, NULL);
}
- /* parse: (<short>|<short>,<long>|<long>)[=?]? SP+ <help> */
+ /* parse: (<short>|<short>,<long>|<long>)[*=?!]*<arghint>? SP+ <help> */
while (strbuf_getline(&sb, stdin, '\n') != EOF) {
const char *s;
+ const char *end;
struct option *o;
if (!sb.len)
@@ -407,6 +422,16 @@ static int cmd_parseopt(int argc, const char **argv, const char *prefix)
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) {
case '=':
@@ -483,7 +508,9 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
int has_dashdash = 0;
int output_prefix = 0;
unsigned char sha1[20];
+ unsigned int flags = 0;
const char *name = NULL;
+ struct object_context unused;
if (argc > 1 && !strcmp("--parseopt", argv[1]))
return cmd_parseopt(argc - 1, argv + 1, prefix);
@@ -520,7 +547,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
}
continue;
}
- if (!prefixcmp(arg, "-n")) {
+ if (starts_with(arg, "-n")) {
if ((filter & DO_FLAGS) && (filter & DO_REVS))
show(arg);
continue;
@@ -535,15 +562,17 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
continue;
}
if (!strcmp(arg, "--default")) {
- def = argv[i+1];
- i++;
+ def = argv[++i];
+ if (!def)
+ die("--default requires an argument");
continue;
}
if (!strcmp(arg, "--prefix")) {
- prefix = argv[i+1];
+ prefix = argv[++i];
+ if (!prefix)
+ die("--prefix requires an argument");
startup_info->prefix = prefix;
output_prefix = 1;
- i++;
continue;
}
if (!strcmp(arg, "--revs-only")) {
@@ -569,10 +598,11 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
}
if (!strcmp(arg, "--quiet") || !strcmp(arg, "-q")) {
quiet = 1;
+ flags |= GET_SHA1_QUIETLY;
continue;
}
if (!strcmp(arg, "--short") ||
- !prefixcmp(arg, "--short=")) {
+ starts_with(arg, "--short=")) {
filter &= ~(DO_FLAGS|DO_NOREV);
verify = 1;
abbrev = DEFAULT_ABBREV;
@@ -600,7 +630,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
symbolic = SHOW_SYMBOLIC_FULL;
continue;
}
- if (!prefixcmp(arg, "--abbrev-ref") &&
+ if (starts_with(arg, "--abbrev-ref") &&
(!arg[12] || arg[12] == '=')) {
abbrev_ref = 1;
abbrev_ref_strict = warn_ambiguous_refs;
@@ -618,7 +648,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
for_each_ref(show_reference, NULL);
continue;
}
- if (!prefixcmp(arg, "--disambiguate=")) {
+ if (starts_with(arg, "--disambiguate=")) {
for_each_abbrev(arg + 15, show_abbrev, NULL);
continue;
}
@@ -627,35 +657,46 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
for_each_ref_in("refs/bisect/good", anti_reference, NULL);
continue;
}
- if (!prefixcmp(arg, "--branches=")) {
+ if (starts_with(arg, "--branches=")) {
for_each_glob_ref_in(show_reference, arg + 11,
"refs/heads/", NULL);
+ clear_ref_exclusion(&ref_excludes);
continue;
}
if (!strcmp(arg, "--branches")) {
for_each_branch_ref(show_reference, NULL);
+ clear_ref_exclusion(&ref_excludes);
continue;
}
- if (!prefixcmp(arg, "--tags=")) {
+ if (starts_with(arg, "--tags=")) {
for_each_glob_ref_in(show_reference, arg + 7,
"refs/tags/", NULL);
+ clear_ref_exclusion(&ref_excludes);
continue;
}
if (!strcmp(arg, "--tags")) {
for_each_tag_ref(show_reference, NULL);
+ clear_ref_exclusion(&ref_excludes);
continue;
}
- if (!prefixcmp(arg, "--glob=")) {
+ if (starts_with(arg, "--glob=")) {
for_each_glob_ref(show_reference, arg + 7, NULL);
+ clear_ref_exclusion(&ref_excludes);
continue;
}
- if (!prefixcmp(arg, "--remotes=")) {
+ if (starts_with(arg, "--remotes=")) {
for_each_glob_ref_in(show_reference, arg + 10,
"refs/remotes/", NULL);
+ clear_ref_exclusion(&ref_excludes);
continue;
}
if (!strcmp(arg, "--remotes")) {
for_each_remote_ref(show_reference, NULL);
+ clear_ref_exclusion(&ref_excludes);
+ continue;
+ }
+ if (starts_with(arg, "--exclude=")) {
+ add_ref_exclusion(&ref_excludes, arg + 10);
continue;
}
if (!strcmp(arg, "--local-env-vars")) {
@@ -698,7 +739,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
}
if (!strcmp(arg, "--git-dir")) {
const char *gitdir = getenv(GIT_DIR_ENVIRONMENT);
- static char cwd[PATH_MAX];
+ char *cwd;
int len;
if (gitdir) {
puts(gitdir);
@@ -708,16 +749,19 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
puts(".git");
continue;
}
- if (!getcwd(cwd, PATH_MAX))
- die_errno("unable to get current working directory");
+ cwd = xgetcwd();
len = strlen(cwd);
printf("%s%s.git\n", cwd, len && cwd[len-1] != '/' ? "/" : "");
+ free(cwd);
continue;
}
if (!strcmp(arg, "--resolve-git-dir")) {
- const char *gitdir = resolve_gitdir(argv[i+1]);
+ 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+1]);
+ die("not a gitdir '%s'", argv[i]);
puts(gitdir);
continue;
}
@@ -736,19 +780,28 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
: "false");
continue;
}
- if (!prefixcmp(arg, "--since=")) {
+ if (!strcmp(arg, "--shared-index-path")) {
+ if (read_cache() < 0)
+ die(_("Could not read the index"));
+ if (the_index.split_index) {
+ const unsigned char *sha1 = the_index.split_index->base_sha1;
+ puts(git_path("sharedindex.%s", sha1_to_hex(sha1)));
+ }
+ continue;
+ }
+ if (starts_with(arg, "--since=")) {
show_datestring("--max-age=", arg+8);
continue;
}
- if (!prefixcmp(arg, "--after=")) {
+ if (starts_with(arg, "--after=")) {
show_datestring("--max-age=", arg+8);
continue;
}
- if (!prefixcmp(arg, "--before=")) {
+ if (starts_with(arg, "--before=")) {
show_datestring("--min-age=", arg+9);
continue;
}
- if (!prefixcmp(arg, "--until=")) {
+ if (starts_with(arg, "--until=")) {
show_datestring("--min-age=", arg+8);
continue;
}
@@ -768,7 +821,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
name++;
type = REVERSED;
}
- if (!get_sha1(name, sha1)) {
+ if (!get_sha1_with_context(name, flags, sha1, &unused)) {
if (verify)
revs_count++;
else