From: Christian Hesse <[email protected]>

This adds support for kernel.org style signatures where the uncompressed
tar archive is signed and compressed later. The signature is valid for
all tar* snapshots.

Signed-off-by: Christian Hesse <[email protected]>
---
 ui-shared.c   | 8 ++++++++
 ui-snapshot.c | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/ui-shared.c b/ui-shared.c
index 8a786e0..40935ae 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -1139,6 +1139,14 @@ void cgit_print_snapshot_links(const struct cgit_repo 
*repo, const char *ref,
                        cgit_snapshot_link("sig", NULL, NULL, NULL, NULL,
                                           filename.buf);
                        html(")");
+               } else if (f->bit & 0x16 && cgit_snapshot_get_sig(ref, 
&cgit_snapshot_formats[3])) {
+                       int suf_len = strlen(f->suffix);
+                       strbuf_remove(&filename, strlen(filename.buf) - 
suf_len, suf_len);
+                       strbuf_addstr(&filename, ".tar.asc");
+                       html(" (");
+                       cgit_snapshot_link("sig", NULL, NULL, NULL, NULL,
+                                          filename.buf);
+                       html(")");
                }
                html(separator);
        }
diff --git a/ui-snapshot.c b/ui-snapshot.c
index c7611e8..76d0573 100644
--- a/ui-snapshot.c
+++ b/ui-snapshot.c
@@ -263,7 +263,7 @@ void cgit_print_snapshot(const char *head, const char *hex,
        }
 
        f = get_format(filename);
-       if (!f || !(ctx.repo->snapshots & f->bit)) {
+       if (!f || (!sig_filename && !(ctx.repo->snapshots & f->bit))) {
                cgit_print_error_page(400, "Bad request",
                                "Unsupported snapshot format: %s", filename);
                return;
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