$ git clone -n https://src.fedoraproject.org/rpms/rust-signal-hook0.1.git /var/lib/mock/f40-build-2039642-48285/root/chroot_tmpdir/scmroot/rust-signal-hook0.1
Cloning into '/var/lib/mock/f40-build-2039642-48285/root/chroot_tmpdir/scmroot/rust-signal-hook0.1'...
$ git fetch origin 28a35ec2df3b05292bd2cee726aa82ac6124b04c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-signal-hook0.1
 * [new ref]         28a35ec2df3b05292bd2cee726aa82ac6124b04c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 28a35ec Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild