$ git clone -n https://src.fedoraproject.org/rpms/gammaray.git /var/lib/mock/f41-build-side-1-3078137-38914/root/chroot_tmpdir/scmroot/gammaray
Cloning into '/var/lib/mock/f41-build-side-1-3078137-38914/root/chroot_tmpdir/scmroot/gammaray'...
$ git fetch origin 15d8860ad4ac338954088e76cd7e8e4fa0154ef9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gammaray
 * [new ref]         15d8860ad4ac338954088e76cd7e8e4fa0154ef9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 15d8860 Fix build against Qt 6.8