$ git clone -n https://src.fedoraproject.org/rpms/libahp-gt.git /var/lib/mock/f40-build-1932730-25125/root/chroot_tmpdir/scmroot/libahp-gt
Cloning into '/var/lib/mock/f40-build-1932730-25125/root/chroot_tmpdir/scmroot/libahp-gt'...
$ git fetch origin 3fd9d6f194562da60124e9936495ec097bde4144:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libahp-gt
 * [new ref]         3fd9d6f194562da60124e9936495ec097bde4144 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3fd9d6f Update to 1.6.5 (fedora#2252436)