cgitsb/ui-snapshot.c
Lars Hjemli ab2ab95f09 Add support for snapshots
Make a link from the commit viewer to a snapshot of the corresponding tree.

Currently only zip-format is supported.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2007-02-08 13:58:58 +01:00

48 lines
1.1 KiB
C

/* ui-snapshot.c: generate snapshot of a commit
*
* Copyright (C) 2006 Lars Hjemli
*
* Licensed under GNU General Public License v2
* (see COPYING for full license text)
*/
#include "cgit.h"
static void cgit_print_zip(struct cacheitem *item, const char *hex,
const char *prefix, const char *filename)
{
struct archiver_args args;
struct commit *commit;
unsigned char sha1[20];
if (get_sha1(hex, sha1)) {
cgit_print_error(fmt("Bad object id: %s", hex));
return;
}
commit = lookup_commit_reference(sha1);
if (!commit) {
cgit_print_error(fmt("Not a commit reference: %s", hex));
return;
}
memset(&args, 0, sizeof(args));
args.base = fmt("%s/", prefix);
args.tree = commit->tree;
cgit_print_snapshot_start("application/x-zip", filename, item);
write_zip_archive(&args);
}
void cgit_print_snapshot(struct cacheitem *item, const char *hex,
const char *format, const char *prefix,
const char *filename)
{
if (!strcmp(format, "zip"))
cgit_print_zip(item, hex, prefix, filename);
else
cgit_print_error(fmt("Unsupported snapshot format: %s",
format));
}