installer.sh: accommodate linuxmint versioning.
Recent linuxmint releases now use VERSION_CODENAME for
a linuxmint release (like "uma") and set UBUNTU_CODENAME to
the Ubuntu release they branched from.
Tested in a linuxmint 20.2 VM.
@@ -41,11 +41,16 @@ main() {
# - ID: the short name of the OS (e.g. "debian", "freebsd")
# - VERSION_ID: the numeric release version for the OS, if any (e.g. "18.04")
# - VERSION_CODENAME: the codename of the OS release, if any (e.g. "buster")
+ # - UBUNTU_CODENAME: if it exists, as in linuxmint, use instead of VERSION_CODENAME
. /etc/os-release
case "$ID" in
ubuntu|pop|neon|zorin|elementary|linuxmint)
OS="ubuntu"
+ if [ "${UBUNTU_CODENAME:-}" != "" ]; then
+ VERSION="$UBUNTU_CODENAME"
+ else
VERSION="$VERSION_CODENAME"
+ fi
PACKAGETYPE="apt"
# Third-party keyrings became the preferred method of
# installation in Ubuntu 20.04.
