From 0b217232acf268377016c9517151acd0e8c0b7e8 Mon Sep 17 00:00:00 2001
From: Matthias Ahouansou <matthias@ahouansou.cz>
Date: Wed, 1 May 2024 21:54:32 +0100
Subject: [PATCH] ci: push attic to binary cache, update nix script

---
 .gitlab-ci.yml          |  3 +++
 bin/nix-build-and-cache | 19 ++++++++++++-------
 2 files changed, 15 insertions(+), 7 deletions(-)

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b9dbd784..3aecebf6 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -49,6 +49,9 @@ ci:
   stage: ci
   image: nixos/nix:2.20.4
   script:
+    # Cache attic client
+    - ./bin/nix-build-and-cache --inputs-from . attic
+
     # Cache the inputs required for the devShell
     - ./bin/nix-build-and-cache .#devShells.x86_64-linux.default.inputDerivation
 
diff --git a/bin/nix-build-and-cache b/bin/nix-build-and-cache
index 967c16ae..42c37709 100755
--- a/bin/nix-build-and-cache
+++ b/bin/nix-build-and-cache
@@ -2,11 +2,13 @@
 
 set -euo pipefail
 
-# The first argument must be the desired installable
-INSTALLABLE="$1"
-
-# Build the installable and forward any other arguments too
-nix build "$@"
+# Build the installable and forward any other arguments too. Also, use
+# nix-output-monitor instead if it's available.
+if command -v nom &> /dev/null; then
+    nom build "$@"
+else
+    nix build "$@"
+fi
 
 if [ ! -z ${ATTIC_TOKEN+x} ]; then
     nix run --inputs-from . attic -- \
@@ -15,12 +17,15 @@ if [ ! -z ${ATTIC_TOKEN+x} ]; then
         "${ATTIC_ENDPOINT:-https://attic.conduit.rs/conduit}" \
         "$ATTIC_TOKEN"
 
+    readarray -t outputs < <(nix path-info "$@")
+    readarray -t derivations < <(nix path-info "$@" --derivation)
+
     # Push the target installable and its build dependencies
     nix run --inputs-from . attic -- \
         push \
         conduit \
-        "$(nix path-info "$INSTALLABLE" --derivation)" \
-        "$(nix path-info "$INSTALLABLE")"
+        "${outputs[@]}" \
+        "${derivations[@]}"
 else
     echo "\$ATTIC_TOKEN is unset, skipping uploading to the binary cache"
 fi