--- /dev/null
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+if ! which nix 2>/dev/null >/dev/null; then
+ cat <<-EOF
+ nix is needed, please install it:
+ > curl https://nixos.org/nix/install | sh
+ (or any other way handled by your distribution)
+ EOF
+ exit 1
+fi
+
+if [ "${NIX_STORE:-/nix/store}" != "/nix/store" ]; then
+ cat <<-EOF
+ Nix store outside of /nix/store is not supported
+ EOF
+ exit 1
+fi
+
+if ! which direnv 2>/dev/null >/dev/null; then
+ cat <<-EOF
+ direnv is needed, please install it
+ EOF
+ exit 1
+fi
+
+if [ -z "$NIXOPS_ENV_LOADED" ]; then
+ cat <<-EOF
+ direnv environment needs to be loaded
+ EOF
+ exit 1
+fi
+
+if [ "$(git config --get include.path)" != "../.gitconfig" ]; then
+ cat <<-EOF
+ it is recommended to include the .gitconfig file into (local) git configuration:
+ git config --local include.path '../.gitconfig'
+ Run this command? [y/N]
+ EOF
+ read y
+ if [ "$y" = "y" -o "$y" = "Y" ]; then
+ git config --local include.path '../.gitconfig'
+ fi
+fi
+
+for key in public_keys/*; do
+ fpr=$(cat "$key" | gpg --import-options show-only --import --with-colons | grep -e "^pub" | cut -d':' -f5)
+ gpg --list-key "$fpr" >/dev/null 2>/dev/null && imported=yes || imported=no
+ # /usr/share/doc/gnupg/DETAILS field 2
+ (cat "$key" | gpg --import-options show-only --import --with-colons |
+ grep -E '^pub:' |
+ cut -d':' -f2 |
+ grep -q '[fu]') && signed=yes || signed=no
+ if [ "$signed" = no -o "$imported" = no ] ; then
+ echo "The key for $key needs to be imported and signed (a local signature is enough)"
+ cat "$key" | gpg --import-options show-only --import
+ echo "Continue? [y/N]"
+ read y
+ if [ "$y" = "y" -o "$y" = "Y" ]; then
+ cat "$key" | gpg --import
+ gpg --expert --edit-key "$fpr" lsign quit
+ else
+ echo "Aborting"
+ exit 1
+ fi
+ fi
+done
+
+if nix show-config --json | jq -e '.sandbox.value == "true"' >/dev/null; then
+ cat <<-EOF
+ There used to be some impure derivations (grep __noChroot), you may need
+ sandbox = "relaxed"
+ in /etc/nix/nix.conf
+ you may also want to add
+ keep-outputs = true
+ keep-derivations = true
+ to prevent garbage collector from deleting build dependencies (they take a lot of time to build)
+ and
+ allow-import-from-derivation = false
+ as an attempt to avoid having build-time derivations (doesn’t work for all packages)
+ press key to continue
+ EOF
+ read y
+fi
+
+cat <<-EOF
+ All set up.
+ Please make sure you’re using make commands when deploying
+ EOF