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/*
* 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.";
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 + 2);
char *basedir_arg;
int nargc = 0;
nargv[nargc++] = "git-archive";
nargv[nargc++] = "--format=tar";
if (2 <= argc && !strncmp("--remote=", argv[1], 9)) {
nargv[nargc++] = argv[1];
argv++;
argc--;
}
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;
n = xread(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 = xwrite(1, content + 11, 41);
if (n < 41)
die("git-get-tar-commit-id: write error");
return 0;
}
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