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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>
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parent
0f0ab148c6
commit
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1
Makefile
1
Makefile
@ -56,6 +56,7 @@ OBJECTS += html.o
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OBJECTS += parsing.o
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OBJECTS += shared.o
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OBJECTS += ui-blob.o
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OBJECTS += ui-clone.o
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OBJECTS += ui-commit.o
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OBJECTS += ui-diff.o
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OBJECTS += ui-log.o
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19
cmd.c
19
cmd.c
@ -11,6 +11,7 @@
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#include "cache.h"
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#include "ui-shared.h"
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#include "ui-blob.h"
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#include "ui-clone.h"
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#include "ui-commit.h"
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#include "ui-diff.h"
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#include "ui-log.h"
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@ -22,6 +23,11 @@
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#include "ui-tag.h"
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#include "ui-tree.h"
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static void HEAD_fn(struct cgit_context *ctx)
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{
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cgit_clone_head(ctx);
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}
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static void about_fn(struct cgit_context *ctx)
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{
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if (ctx->repo)
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@ -45,6 +51,11 @@ static void diff_fn(struct cgit_context *ctx)
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cgit_print_diff(ctx->qry.sha1, ctx->qry.sha2, ctx->qry.path);
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}
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static void info_fn(struct cgit_context *ctx)
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{
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cgit_clone_info(ctx);
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}
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static void log_fn(struct cgit_context *ctx)
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{
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cgit_print_log(ctx->qry.sha1, ctx->qry.ofs, ctx->cfg.max_commit_count,
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@ -59,6 +70,11 @@ static void ls_cache_fn(struct cgit_context *ctx)
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cache_ls(ctx->cfg.cache_root);
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}
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static void objects_fn(struct cgit_context *ctx)
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{
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cgit_clone_objects(ctx);
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}
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static void repolist_fn(struct cgit_context *ctx)
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{
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cgit_print_repolist();
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@ -102,12 +118,15 @@ static void tree_fn(struct cgit_context *ctx)
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struct cgit_cmd *cgit_get_cmd(struct cgit_context *ctx)
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{
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static struct cgit_cmd cmds[] = {
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def_cmd(HEAD, 1, 0),
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def_cmd(about, 0, 1),
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def_cmd(blob, 1, 0),
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def_cmd(commit, 1, 1),
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def_cmd(diff, 1, 1),
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def_cmd(info, 1, 0),
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def_cmd(log, 1, 1),
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def_cmd(ls_cache, 0, 0),
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def_cmd(objects, 1, 0),
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def_cmd(patch, 1, 0),
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def_cmd(refs, 1, 1),
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def_cmd(repolist, 0, 0),
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7
html.c
7
html.c
@ -51,6 +51,13 @@ void htmlf(const char *format, ...)
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html(buf);
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}
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void html_status(int code, int more_headers)
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{
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htmlf("Status: %d\n", code);
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if (!more_headers)
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html("\n");
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}
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void html_txt(char *txt)
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{
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char *t = txt;
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1
html.h
1
html.h
@ -5,6 +5,7 @@ extern int htmlfd;
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extern void html(const char *txt);
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extern void htmlf(const char *format,...);
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extern void html_status(int code, int more_headers);
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extern void html_txt(char *txt);
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extern void html_ntxt(int len, char *txt);
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extern void html_attr(char *txt);
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104
ui-clone.c
Normal file
104
ui-clone.c
Normal file
@ -0,0 +1,104 @@
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/* ui-clone.c: functions for http cloning, based on
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* git's http-backend.c by Shawn O. Pearce
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*
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* Copyright (C) 2008 Lars Hjemli
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*
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* Licensed under GNU General Public License v2
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* (see COPYING for full license text)
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*/
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#include "cgit.h"
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#include "html.h"
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#include "ui-shared.h"
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static int print_ref_info(const char *refname, const unsigned char *sha1,
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int flags, void *cb_data)
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{
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struct object *obj;
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if (!(obj = parse_object(sha1)))
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return 0;
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if (!strcmp(refname, "HEAD") || !prefixcmp(refname, "refs/heads/"))
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htmlf("%s\t%s\n", sha1_to_hex(sha1), refname);
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else if (!prefixcmp(refname, "refs/tags") && obj->type == OBJ_TAG) {
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if (!(obj = deref_tag(obj, refname, 0)))
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return 0;
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htmlf("%s\t%s\n", sha1_to_hex(sha1), refname);
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htmlf("%s\t%s^{}\n", sha1_to_hex(obj->sha1), refname);
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}
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return 0;
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}
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static void print_pack_info(struct cgit_context *ctx)
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{
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struct packed_git *pack;
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int ofs;
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ctx->page.mimetype = "text/plain";
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ctx->page.filename = "objects/info/packs";
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cgit_print_http_headers(ctx);
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ofs = strlen(ctx->repo->path) + strlen("/objects/pack/");
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prepare_packed_git();
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for (pack = packed_git; pack; pack = pack->next)
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if (pack->pack_local)
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htmlf("P %s\n", pack->pack_name + ofs);
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}
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static void send_file(struct cgit_context *ctx, char *path)
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{
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struct stat st;
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int err;
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if (stat(path, &st)) {
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switch (errno) {
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case ENOENT:
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err = 404;
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break;
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case EACCES:
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err = 403;
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break;
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default:
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err = 400;
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}
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html_status(err, 0);
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return;
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}
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ctx->page.mimetype = "application/octet-stream";
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ctx->page.filename = path;
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if (prefixcmp(ctx->repo->path, path))
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ctx->page.filename += strlen(ctx->repo->path) + 1;
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cgit_print_http_headers(ctx);
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html_include(path);
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}
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void cgit_clone_info(struct cgit_context *ctx)
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{
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if (!ctx->qry.path || strcmp(ctx->qry.path, "refs"))
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return;
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ctx->page.mimetype = "text/plain";
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ctx->page.filename = "info/refs";
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cgit_print_http_headers(ctx);
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for_each_ref(print_ref_info, ctx);
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}
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void cgit_clone_objects(struct cgit_context *ctx)
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{
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if (!ctx->qry.path) {
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html_status(400, 0);
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return;
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}
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if (!strcmp(ctx->qry.path, "info/packs")) {
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print_pack_info(ctx);
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return;
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}
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send_file(ctx, git_path("objects/%s", ctx->qry.path));
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}
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void cgit_clone_head(struct cgit_context *ctx)
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{
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send_file(ctx, git_path("%s", "HEAD"));
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}
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8
ui-clone.h
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8
ui-clone.h
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@ -0,0 +1,8 @@
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#ifndef UI_CLONE_H
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#define UI_CLONE_H
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void cgit_clone_info(struct cgit_context *ctx);
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void cgit_clone_objects(struct cgit_context *ctx);
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void cgit_clone_head(struct cgit_context *ctx);
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#endif /* UI_CLONE_H */
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