$ git clone -n https://src.fedoraproject.org/rpms/php-pecl-gmagick.git /var/lib/mock/f40-build-2112927-50675/root/chroot_tmpdir/scmroot/php-pecl-gmagick
Cloning into '/var/lib/mock/f40-build-2112927-50675/root/chroot_tmpdir/scmroot/php-pecl-gmagick'...
$ git fetch origin 5fd78c3c601e6510bd14c8ca100334f8594b192c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-pecl-gmagick
 * [new ref]         5fd78c3c601e6510bd14c8ca100334f8594b192c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5fd78c3 rebuild for https://fedoraproject.org/wiki/Changes/php83