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authorLars Hjemli <hjemli@gmail.com>2007-02-08 13:53:13 +0100
committerLars Hjemli <hjemli@gmail.com>2007-02-08 13:58:58 +0100
commitab2ab95f09994560f62fd631f07d3b6e3577aa6e (patch)
tree846763c1bcb78bd27dc37c99e5f6d703ca5ab179 /ui-snapshot.c
parent14d360df60f059b9b5b045fc6df1eec6f0966d9a (diff)
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>
Diffstat (limited to 'ui-snapshot.c')
-rw-r--r--ui-snapshot.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/ui-snapshot.c b/ui-snapshot.c
new file mode 100644
index 0000000..2257d6b
--- /dev/null
+++ b/ui-snapshot.c
@@ -0,0 +1,47 @@
+/* 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));
+}