squashfs-tools from OBS:AppImage project

对于 toolchain.leap 15.2，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/OBS:AppImage/toolchain.leap_15.2/OBS:AppImage.repo
zypper refresh
zypper install squashfs-tools

对于 toolchain.leap 15.1，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/OBS:AppImage/toolchain.leap_15.1/OBS:AppImage.repo
zypper refresh
zypper install squashfs-tools

对于 toolchain，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/OBS:AppImage/toolchain/OBS:AppImage.repo
zypper refresh
zypper install squashfs-tools

对于 toolchain.SLE 12 SP4，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/OBS:AppImage/toolchain.SLE_12_SP4/OBS:AppImage.repo
zypper refresh
zypper install squashfs-tools

对于 toolchain.15.6，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/OBS:AppImage/toolchain.15.6/OBS:AppImage.repo
zypper refresh
zypper install squashfs-tools

对于 toolchain.15.5，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/OBS:AppImage/toolchain.15.5/OBS:AppImage.repo
zypper refresh
zypper install squashfs-tools

对于 toolchain.15.4，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/OBS:AppImage/toolchain.15.4/OBS:AppImage.repo
zypper refresh
zypper install squashfs-tools

对于 toolchain.15.3，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/OBS:AppImage/toolchain.15.3/OBS:AppImage.repo
zypper refresh
zypper install squashfs-tools

对于 AppImage.leap 15.6，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/OBS:AppImage/AppImage.leap_15.6/OBS:AppImage.repo
zypper refresh
zypper install squashfs-tools

对于 AppImage.leap 15.5，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/OBS:AppImage/AppImage.leap_15.5/OBS:AppImage.repo
zypper refresh
zypper install squashfs-tools

对于 AppImage.15.5，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/OBS:AppImage/AppImage.15.5/OBS:AppImage.repo
zypper refresh
zypper install squashfs-tools

对于 AppImage.15.4，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/OBS:AppImage/AppImage.15.4/OBS:AppImage.repo
zypper refresh
zypper install squashfs-tools

对于 AppImage.15.3，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/OBS:AppImage/AppImage.15.3/OBS:AppImage.repo
zypper refresh
zypper install squashfs-tools