$ git clone -n https://src.fedoraproject.org/rpms/teg.git /var/lib/mock/f39-build-1523496-36005/root/chroot_tmpdir/scmroot/teg
Cloning into '/var/lib/mock/f39-build-1523496-36005/root/chroot_tmpdir/scmroot/teg'...
$ git fetch origin 37f5e13b7967fc3f57c732c6c3fdb9cbf957a060:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/teg
 * [new ref]         37f5e13b7967fc3f57c732c6c3fdb9cbf957a060 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 37f5e13 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild