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Teach ref iteration module about submodules

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We will use this in a later patch to extend setup_revisions() to
load revisions directly from a submodule.

Signed-off-by: Heiko Voigt <hvoigt@hvoigt.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Heiko Voigt
2010-07-07 15:39:11 +02:00
committed by Junio C Hamano
parent 78db709ae5
commit 0bad611b1e
3 changed files with 127 additions and 32 deletions
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38
path.c
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@ -122,6 +122,44 @@ char *git_path(const char *fmt, ...)
return cleanup_path(pathname);
}
char *git_path_submodule(const char *path, const char *fmt, ...)
{
char *pathname = get_pathname();
struct strbuf buf = STRBUF_INIT;
const char *git_dir;
va_list args;
unsigned len;
len = strlen(path);
if (len > PATH_MAX-100)
return bad_path;
strbuf_addstr(&buf, path);
if (len && path[len-1] != '/')
strbuf_addch(&buf, '/');
strbuf_addstr(&buf, ".git");
git_dir = read_gitfile_gently(buf.buf);
if (git_dir) {
strbuf_reset(&buf);
strbuf_addstr(&buf, git_dir);
}
strbuf_addch(&buf, '/');
if (buf.len >= PATH_MAX)
return bad_path;
memcpy(pathname, buf.buf, buf.len + 1);
strbuf_release(&buf);
len = strlen(pathname);
va_start(args, fmt);
len += vsnprintf(pathname + len, PATH_MAX - len, fmt, args);
va_end(args);
if (len >= PATH_MAX)
return bad_path;
return cleanup_path(pathname);
}
/* git_mkstemp() - create tmp file honoring TMPDIR variable */
int git_mkstemp(char *path, size_t len, const char *template)