$ git clone -n https://src.fedoraproject.org/rpms/xsane.git /var/lib/mock/f41-build-827279-155241/root/chroot_tmpdir/scmroot/xsane
Cloning into '/var/lib/mock/f41-build-827279-155241/root/chroot_tmpdir/scmroot/xsane'...
$ git fetch origin cdf33f7414d221dcc1ab0f1b0feec4802c84c937:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xsane
 * [new ref]         cdf33f7414d221dcc1ab0f1b0feec4802c84c937 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cdf33f7 Require gdk-pixbuf2-modules-extra on F41+ to fix crash (rhbz#2276661)