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-rwxr-xr-xrpi2-gen-image.sh3
1 files changed, 2 insertions, 1 deletions
diff --git a/rpi2-gen-image.sh b/rpi2-gen-image.sh
index 2c88f3a..6759f76 100755
--- a/rpi2-gen-image.sh
+++ b/rpi2-gen-image.sh
@@ -94,7 +94,8 @@ REQUIRED_PACKAGES="debootstrap debian-archive-keyring qemu-user-static binfmt-su
MISSING_PACKAGES=""
# Packages required in the chroot build environment
-APT_INCLUDES="apt-transport-https,ca-certificates,debian-archive-keyring,dialog,sudo"
+APT_INCLUDES=${APT_INCLUDES:=""}
+APT_INCLUDES="${APT_INCLUDES},apt-transport-https,ca-certificates,debian-archive-keyring,dialog,sudo"
set +x