emerge_AppImage

emerge AppImage to remove and install Gentoo Linux ebuilds that is needed for installing and removing packages.

How to use it:

$ chmod +x emerge-{VERSION}.AppImage
$ ./emerge-{VERSION}.AppImage -pv sys-apps/portage

Note that the options --root=/mnt/host --config-root=/mnt/host are already included internally.
This is one implementation of the idea: https://wiki.gentoo.org/wiki/Upgrading_Gentoo#Updating_old_systems
Use this with caution, as there is no guarantee of any kind, and you will be running it as root.
It uses the defaults paths (and don't work with others path yet):
- PORTDIR="/var/db/repos/gentoo"
- DISTDIR="/var/cache/distfiles"
- PKGDIR="/var/cache/binpkgs"