$ git clone -n https://src.fedoraproject.org/rpms/apbs.git /var/lib/mock/f39-build-1535766-36247/root/chroot_tmpdir/scmroot/apbs
Cloning into '/var/lib/mock/f39-build-1535766-36247/root/chroot_tmpdir/scmroot/apbs'...
$ git fetch origin 6c77a00b14148e0a3ad4ba169e657ecdc8226dc2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/apbs
 * [new ref]         6c77a00b14148e0a3ad4ba169e657ecdc8226dc2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6c77a00 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild