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authorLars Hjemli <hjemli@gmail.com>2008-08-05 23:20:24 (UTC)
committer Lars Hjemli <hjemli@gmail.com>2008-08-06 09:21:09 (UTC)
commit02a545e63454530c1639014d3239c14ced2022c6 (patch) (side-by-side diff)
treeda4c89a94b117d936f2eeb486c9dedf192e6746e /ui-clone.c
parent0f0ab148c6d444316af10e6b4c7a60630fed45d3 (diff)
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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>
Diffstat (limited to 'ui-clone.c') (more/less context) (ignore whitespace changes)
-rw-r--r--ui-clone.c104
1 files changed, 104 insertions, 0 deletions
diff --git a/ui-clone.c b/ui-clone.c
new file mode 100644
index 0000000..3a037ad
--- a/dev/null
+++ b/ui-clone.c
@@ -0,0 +1,104 @@
+/* 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"));
+}