$ git clone -n https://src.fedoraproject.org/rpms/regextester.git /var/lib/mock/f40-build-796886-140979/root/chroot_tmpdir/scmroot/regextester
Cloning into '/var/lib/mock/f40-build-796886-140979/root/chroot_tmpdir/scmroot/regextester'...
$ git fetch origin 608a2acf03c88a90185642867e523704c682f13b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/regextester
 * [new ref]         608a2acf03c88a90185642867e523704c682f13b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 608a2ac Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild