$ git clone -n https://src.fedoraproject.org/rpms/rust-choosier.git /var/lib/mock/f39-build-1516804-35659/root/chroot_tmpdir/scmroot/rust-choosier
Cloning into '/var/lib/mock/f39-build-1516804-35659/root/chroot_tmpdir/scmroot/rust-choosier'...
$ git fetch origin 9c4371c9a268db4e1ff5c804cc9495624105d135:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-choosier
 * [new ref]         9c4371c9a268db4e1ff5c804cc9495624105d135 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9c4371c Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild