and while here make sure 0 is rejected. requested by, improvements and ok stsp@

ok stsp

In some cases (e.g. limit=1 for DIFF action) we could end up traversing all the commits instead of fetching just the one requested. Needless to say, this makes the diff page extremely slow. reported by and ok stsp@

s[strlen(s)] == '\0' is banally always true, the intent was to not skip refs that starts with "HEAD". style nit / ok stsp@

fileindex.c, worktree.c, worktree_open.c and patch.c are not used in gotwebd. ok stsp

unused, and was dropped by the other copies of proc.c; reduces the diff with httpd' proc.c.

gotsh was sending errors such as "unexpected end of file" and "unexpected flush-pkt" to the client when the client disconnected immediately after receiving reference announcements from the server. As a result, 'git push' with both sides up-to-date would show an obscure error message: = [up to date] main -> main error: failed to push some refs to 'ssh://example.com/git/repo.git Now we see: = [up to date] main -> main Everything up-to-date ok jamsek

Problem reported by Alexander Arkhipov ok jamsek

Otherwise, 'got merge -c' can silently revert already committed changes. Also fix GOT_ERR_MERGE_COMMIT_OUT_OF_DATE by giving it a value distinct from GOT_ERR_MERGE_STAGED_PATHS. Patch by James Cook

-c option wasn't passed. Patch by James Cook.

While they're the same value, it's more correct to use AF_UNSPEC in this case. While here, change SOCK_DGRAM to SOCK_STREAM since it's what we'll be using. ok stsp@