$ git clone -n https://src.fedoraproject.org/rpms/gcovr.git /var/lib/mock/f39-build-1577380-37961/root/chroot_tmpdir/scmroot/gcovr
Cloning into '/var/lib/mock/f39-build-1577380-37961/root/chroot_tmpdir/scmroot/gcovr'...
$ git fetch origin faa09e427d21dde3d2d525a954b57607d561f60a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gcovr
 * [new ref]         faa09e427d21dde3d2d525a954b57607d561f60a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at faa09e4 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild