$ git clone -n https://src.fedoraproject.org/rpms/rust-uu_head.git /var/lib/mock/f40-build-704057-12986/root/chroot_tmpdir/scmroot/rust-uu_head
Cloning into '/var/lib/mock/f40-build-704057-12986/root/chroot_tmpdir/scmroot/rust-uu_head'...
$ git fetch origin 0b8da4bf9e9f6068089c938e68adeb5459143bcd:KOJI_FETCH_HEAD
fatal: unable to access 'https://src.fedoraproject.org/rpms/rust-uu_head.git/': OpenSSL SSL_connect: SSL_ERROR_SYSCALL in connection to src.fedoraproject.org:443 
$ git reset --hard 0b8da4bf9e9f6068089c938e68adeb5459143bcd
HEAD is now at 0b8da4b Rebuild with Rust 1.78 to fix incomplete debuginfo and backtraces