1 files changed, 90 insertions, 0 deletions

diff --git a/scripts/setup b/scripts/setup
new file mode 100755
index 0000000..db0f353
--- /dev/null
+++ b/scripts/setup
@@ -0,0 +1,90 @@
+#!/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