$ git clone -n https://src.fedoraproject.org/rpms/altermime.git /var/lib/mock/f40-build-795325-140108/root/chroot_tmpdir/scmroot/altermime
Cloning into '/var/lib/mock/f40-build-795325-140108/root/chroot_tmpdir/scmroot/altermime'...
$ git fetch origin f6dd3631ca4d524a7bae5b68d2fef3332bd57e31:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/altermime
 * [new ref]         f6dd3631ca4d524a7bae5b68d2fef3332bd57e31 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f6dd363 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild