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git/builtin/check-attr.c
Linus Torvalds 81b50f3ce4 Move 'builtin-*' into a 'builtin/' subdirectory
This shrinks the top-level directory a bit, and makes it much more
pleasant to use auto-completion on the thing. Instead of

	[torvalds@nehalem git]$ em buil<tab>
	Display all 180 possibilities? (y or n)
	[torvalds@nehalem git]$ em builtin-sh
	builtin-shortlog.c     builtin-show-branch.c  builtin-show-ref.c
	builtin-shortlog.o     builtin-show-branch.o  builtin-show-ref.o
	[torvalds@nehalem git]$ em builtin-shor<tab>
	builtin-shortlog.c  builtin-shortlog.o
	[torvalds@nehalem git]$ em builtin-shortlog.c

you get

	[torvalds@nehalem git]$ em buil<tab>		[type]
	builtin/   builtin.h
	[torvalds@nehalem git]$ em builtin		[auto-completes to]
	[torvalds@nehalem git]$ em builtin/sh<tab>	[type]
	shortlog.c     shortlog.o     show-branch.c  show-branch.o  show-ref.c     show-ref.o
	[torvalds@nehalem git]$ em builtin/sho		[auto-completes to]
	[torvalds@nehalem git]$ em builtin/shor<tab>	[type]
	shortlog.c  shortlog.o
	[torvalds@nehalem git]$ em builtin/shortlog.c

which doesn't seem all that different, but not having that annoying
break in "Display all 180 possibilities?" is quite a relief.

NOTE! If you do this in a clean tree (no object files etc), or using an
editor that has auto-completion rules that ignores '*.o' files, you
won't see that annoying 'Display all 180 possibilities?' message - it
will just show the choices instead.  I think bash has some cut-off
around 100 choices or something.

So the reason I see this is that I'm using an odd editory, and thus
don't have the rules to cut down on auto-completion.  But you can
simulate that by using 'ls' instead, or something similar.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-02-22 14:29:41 -08:00

123 lines
2.9 KiB
C

#include "builtin.h"
#include "cache.h"
#include "attr.h"
#include "quote.h"
#include "parse-options.h"
static int stdin_paths;
static const char * const check_attr_usage[] = {
"git check-attr attr... [--] pathname...",
"git check-attr --stdin attr... < <list-of-paths>",
NULL
};
static int null_term_line;
static const struct option check_attr_options[] = {
OPT_BOOLEAN(0 , "stdin", &stdin_paths, "read file names from stdin"),
OPT_BOOLEAN('z', NULL, &null_term_line,
"input paths are terminated by a null character"),
OPT_END()
};
static void check_attr(int cnt, struct git_attr_check *check,
const char** name, const char *file)
{
int j;
if (git_checkattr(file, cnt, check))
die("git_checkattr died");
for (j = 0; j < cnt; j++) {
const char *value = check[j].value;
if (ATTR_TRUE(value))
value = "set";
else if (ATTR_FALSE(value))
value = "unset";
else if (ATTR_UNSET(value))
value = "unspecified";
quote_c_style(file, NULL, stdout, 0);
printf(": %s: %s\n", name[j], value);
}
}
static void check_attr_stdin_paths(int cnt, struct git_attr_check *check,
const char** name)
{
struct strbuf buf, nbuf;
int line_termination = null_term_line ? 0 : '\n';
strbuf_init(&buf, 0);
strbuf_init(&nbuf, 0);
while (strbuf_getline(&buf, stdin, line_termination) != EOF) {
if (line_termination && buf.buf[0] == '"') {
strbuf_reset(&nbuf);
if (unquote_c_style(&nbuf, buf.buf, NULL))
die("line is badly quoted");
strbuf_swap(&buf, &nbuf);
}
check_attr(cnt, check, name, buf.buf);
maybe_flush_or_die(stdout, "attribute to stdout");
}
strbuf_release(&buf);
strbuf_release(&nbuf);
}
int cmd_check_attr(int argc, const char **argv, const char *prefix)
{
struct git_attr_check *check;
int cnt, i, doubledash;
const char *errstr = NULL;
argc = parse_options(argc, argv, prefix, check_attr_options,
check_attr_usage, PARSE_OPT_KEEP_DASHDASH);
if (!argc)
usage_with_options(check_attr_usage, check_attr_options);
if (read_cache() < 0) {
die("invalid cache");
}
doubledash = -1;
for (i = 0; doubledash < 0 && i < argc; i++) {
if (!strcmp(argv[i], "--"))
doubledash = i;
}
/* If there is no double dash, we handle only one attribute */
if (doubledash < 0) {
cnt = 1;
doubledash = 0;
} else
cnt = doubledash;
doubledash++;
if (cnt <= 0)
errstr = "No attribute specified";
else if (stdin_paths && doubledash < argc)
errstr = "Can't specify files with --stdin";
if (errstr) {
error("%s", errstr);
usage_with_options(check_attr_usage, check_attr_options);
}
check = xcalloc(cnt, sizeof(*check));
for (i = 0; i < cnt; i++) {
const char *name;
struct git_attr *a;
name = argv[i];
a = git_attr(name);
if (!a)
return error("%s: not a valid attribute name", name);
check[i].attr = a;
}
if (stdin_paths)
check_attr_stdin_paths(cnt, check, argv);
else {
for (i = doubledash; i < argc; i++)
check_attr(cnt, check, argv, argv[i]);
maybe_flush_or_die(stdout, "attribute to stdout");
}
return 0;
}