cgit/ui-clone.c
Lars Hjemli 02a545e634 Add support for cloning over http
This patch implements basic support for cloning over http, based on the
work on git-http-backend by Shawn O. Pearce.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2008-08-06 11:21:09 +02:00

105 lines
2.3 KiB
C

/* ui-clone.c: functions for http cloning, based on
* git's http-backend.c by Shawn O. Pearce
*
* Copyright (C) 2008 Lars Hjemli
*
* Licensed under GNU General Public License v2
* (see COPYING for full license text)
*/
#include "cgit.h"
#include "html.h"
#include "ui-shared.h"
static int print_ref_info(const char *refname, const unsigned char *sha1,
int flags, void *cb_data)
{
struct object *obj;
if (!(obj = parse_object(sha1)))
return 0;
if (!strcmp(refname, "HEAD") || !prefixcmp(refname, "refs/heads/"))
htmlf("%s\t%s\n", sha1_to_hex(sha1), refname);
else if (!prefixcmp(refname, "refs/tags") && obj->type == OBJ_TAG) {
if (!(obj = deref_tag(obj, refname, 0)))
return 0;
htmlf("%s\t%s\n", sha1_to_hex(sha1), refname);
htmlf("%s\t%s^{}\n", sha1_to_hex(obj->sha1), refname);
}
return 0;
}
static void print_pack_info(struct cgit_context *ctx)
{
struct packed_git *pack;
int ofs;
ctx->page.mimetype = "text/plain";
ctx->page.filename = "objects/info/packs";
cgit_print_http_headers(ctx);
ofs = strlen(ctx->repo->path) + strlen("/objects/pack/");
prepare_packed_git();
for (pack = packed_git; pack; pack = pack->next)
if (pack->pack_local)
htmlf("P %s\n", pack->pack_name + ofs);
}
static void send_file(struct cgit_context *ctx, char *path)
{
struct stat st;
int err;
if (stat(path, &st)) {
switch (errno) {
case ENOENT:
err = 404;
break;
case EACCES:
err = 403;
break;
default:
err = 400;
}
html_status(err, 0);
return;
}
ctx->page.mimetype = "application/octet-stream";
ctx->page.filename = path;
if (prefixcmp(ctx->repo->path, path))
ctx->page.filename += strlen(ctx->repo->path) + 1;
cgit_print_http_headers(ctx);
html_include(path);
}
void cgit_clone_info(struct cgit_context *ctx)
{
if (!ctx->qry.path || strcmp(ctx->qry.path, "refs"))
return;
ctx->page.mimetype = "text/plain";
ctx->page.filename = "info/refs";
cgit_print_http_headers(ctx);
for_each_ref(print_ref_info, ctx);
}
void cgit_clone_objects(struct cgit_context *ctx)
{
if (!ctx->qry.path) {
html_status(400, 0);
return;
}
if (!strcmp(ctx->qry.path, "info/packs")) {
print_pack_info(ctx);
return;
}
send_file(ctx, git_path("objects/%s", ctx->qry.path));
}
void cgit_clone_head(struct cgit_context *ctx)
{
send_file(ctx, git_path("%s", "HEAD"));
}