For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/multimedia:photo/openSUSE_Tumbleweed/multimedia:photo.repo
zypper refresh
zypper install phatch
For openSUSE Leap 15.2 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/multimedia:photo/openSUSE_Leap_15.2/multimedia:photo.repo
zypper refresh
zypper install phatch
For openSUSE Leap 15.1 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/multimedia:photo/openSUSE_Leap_15.1/multimedia:photo.repo
zypper refresh
zypper install phatch
For openSUSE Leap 15.0 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/multimedia:photo/openSUSE_Leap_15.0/multimedia:photo.repo
zypper refresh
zypper install phatch