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git/builtin/tar-tree.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

103 lines
2.5 KiB
C

/*
* Copyright (c) 2005, 2006 Rene Scharfe
*/
#include "cache.h"
#include "commit.h"
#include "tar.h"
#include "builtin.h"
#include "quote.h"
static const char tar_tree_usage[] =
"git tar-tree [--remote=<repo>] <tree-ish> [basedir]\n"
"*** Note that this command is now deprecated; use \"git archive\" instead.";
static const char builtin_get_tar_commit_id_usage[] =
"git get-tar-commit-id < <tarfile>";
int cmd_tar_tree(int argc, const char **argv, const char *prefix)
{
/*
* "git tar-tree" is now a wrapper around "git archive --format=tar"
*
* $0 --remote=<repo> arg... ==>
* git archive --format=tar --remote=<repo> arg...
* $0 tree-ish ==>
* git archive --format=tar tree-ish
* $0 tree-ish basedir ==>
* git archive --format-tar --prefix=basedir tree-ish
*/
int i;
const char **nargv = xcalloc(sizeof(*nargv), argc + 3);
char *basedir_arg;
int nargc = 0;
nargv[nargc++] = "archive";
nargv[nargc++] = "--format=tar";
if (2 <= argc && !prefixcmp(argv[1], "--remote=")) {
nargv[nargc++] = argv[1];
argv++;
argc--;
}
/*
* Because it's just a compatibility wrapper, tar-tree supports only
* the old behaviour of reading attributes from the work tree.
*/
nargv[nargc++] = "--worktree-attributes";
switch (argc) {
default:
usage(tar_tree_usage);
break;
case 3:
/* base-path */
basedir_arg = xmalloc(strlen(argv[2]) + 11);
sprintf(basedir_arg, "--prefix=%s/", argv[2]);
nargv[nargc++] = basedir_arg;
/* fallthru */
case 2:
/* tree-ish */
nargv[nargc++] = argv[1];
}
nargv[nargc] = NULL;
fprintf(stderr,
"*** \"git tar-tree\" is now deprecated.\n"
"*** Running \"git archive\" instead.\n***");
for (i = 0; i < nargc; i++) {
fputc(' ', stderr);
sq_quote_print(stderr, nargv[i]);
}
fputc('\n', stderr);
return cmd_archive(nargc, nargv, prefix);
}
/* ustar header + extended global header content */
#define RECORDSIZE (512)
#define HEADERSIZE (2 * RECORDSIZE)
int cmd_get_tar_commit_id(int argc, const char **argv, const char *prefix)
{
char buffer[HEADERSIZE];
struct ustar_header *header = (struct ustar_header *)buffer;
char *content = buffer + RECORDSIZE;
ssize_t n;
if (argc != 1)
usage(builtin_get_tar_commit_id_usage);
n = read_in_full(0, buffer, HEADERSIZE);
if (n < HEADERSIZE)
die("git get-tar-commit-id: read error");
if (header->typeflag[0] != 'g')
return 1;
if (memcmp(content, "52 comment=", 11))
return 1;
n = write_in_full(1, content + 11, 41);
if (n < 41)
die_errno("git get-tar-commit-id: write error");
return 0;
}