$ git clone -n https://src.fedoraproject.org/rpms/delve.git /var/lib/mock/f38-build-729791-101872/root/chroot_tmpdir/scmroot/delve
Cloning into '/var/lib/mock/f38-build-729791-101872/root/chroot_tmpdir/scmroot/delve'...
$ git fetch origin 818796f407e1e2ee29516ecb41f229a0d4d24a0a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/delve
 * [new ref]         818796f407e1e2ee29516ecb41f229a0d4d24a0a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 818796f Update to Delve 1.20.2