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#!/bin/bash
case $1 in
install)
PACKER_CURRENT_VERSION="$(curl -s https://checkpoint-api.hashicorp.com/v1/check/packer | jq -r -M '.current_version')"
PACKER_URL="https://releases.hashicorp.com/packer/$PACKER_CURRENT_VERSION/packer_${PACKER_CURRENT_VERSION}_linux_amd64.zip"
PACKER_SHA256="https://releases.hashicorp.com/packer/$PACKER_CURRENT_VERSION/packer_${PACKER_CURRENT_VERSION}_SHA256SUMS"
PACKER_SHA256_SIG="https://releases.hashicorp.com/packer/$PACKER_CURRENT_VERSION/packer_${PACKER_CURRENT_VERSION}_SHA256SUMS.sig"
HASHICORP_FINGERPRINT=91a6e7f85d05c65630bef18951852d87348ffc4c
HASHICORP_KEY="https://keybase.io/hashicorp/pgp_keys.asc?fingerprint=${HASHICORP_FINGERPRINT}"
wget "${PACKER_URL}"
wget "${PACKER_SHA256}"
wget "${PACKER_SHA256_SIG}"
wget -O hashicorp.key "${HASHICORP_KEY}"
gpg --with-fingerprint --with-colons hashicorp.key | grep ${HASHICORP_FINGERPRINT^^}
gpg --import hashicorp.key
gpg --verify "packer_${PACKER_CURRENT_VERSION}_SHA256SUMS.sig" "packer_${PACKER_CURRENT_VERSION}_SHA256SUMS"
grep "linux_amd64 packer_${PACKER_CURRENT_VERSION}_SHA256SUMS" >packer_SHA256SUM_linux_amd64
sha256sum --check --status packer_SHA256SUM_linux_amd64
unzip "packer_${PACKER_CURRENT_VERSION}_linux_amd64.zip"
;;
verify)
./packer --version
jq ".\"post-processors\"[0] |= map(select(.\"type\" != \"vagrant-cloud\"))" vagrant.json | ./packer validate -var "iso_url=https://downloads.archlinux.de/iso/$(date +'%Y.%m').01/archlinux-$(date +'%Y.%m').01-x86_64.iso" -var "iso_checksum_url=https://downloads.archlinux.de/iso/$(date +'%Y.%m').01/sha1sums.txt" -
;;
*)
exit 1
;;
esac