$ git clone -n https://src.fedoraproject.org/rpms/rust-ena.git /var/lib/mock/f39-build-1517067-35681/root/chroot_tmpdir/scmroot/rust-ena
Cloning into '/var/lib/mock/f39-build-1517067-35681/root/chroot_tmpdir/scmroot/rust-ena'...
$ git fetch origin 6b87d011e61f056be45079f428169d878a54fb32:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-ena
 * [new ref]         6b87d011e61f056be45079f428169d878a54fb32 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6b87d01 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild