$ git clone -n https://src.fedoraproject.org/rpms/stalld.git /var/lib/mock/f39-build-2561333-62096/root/chroot_tmpdir/scmroot/stalld
Cloning into '/var/lib/mock/f39-build-2561333-62096/root/chroot_tmpdir/scmroot/stalld'...
$ git fetch origin 74fbc7b86bbbb5b78dad96e650d9cb0cf124b2d3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/stalld
 * [new ref]         74fbc7b86bbbb5b78dad96e650d9cb0cf124b2d3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 74fbc7b version bump to 1.19.1