diff --git a/.forgejo/workflows/nix-build.yaml b/.forgejo/workflows/nix-build.yaml
index 735a539..8f500d2 100644
--- a/.forgejo/workflows/nix-build.yaml
+++ b/.forgejo/workflows/nix-build.yaml
@@ -9,7 +9,7 @@ on:
 
 jobs:
   nix/build:
-    runs-on: nixos-latest
+    runs-on: nixos-flakes
     steps:
       - name: checkout
         uses: actions/checkout@v3
diff --git a/.forgejo/workflows/nix-develop.yaml b/.forgejo/workflows/nix-develop.yaml
index be273c1..a4d5b8f 100644
--- a/.forgejo/workflows/nix-develop.yaml
+++ b/.forgejo/workflows/nix-develop.yaml
@@ -9,7 +9,7 @@ on:
 
 jobs:
   nix/develop:
-    runs-on: nixos-latest
+    runs-on: nixos-flakes
     steps:
       - name: checkout
         uses: actions/checkout@v3
diff --git a/.forgejo/workflows/nix-shell.yaml b/.forgejo/workflows/nix-shell.yaml
index 16f7e81..4073121 100644
--- a/.forgejo/workflows/nix-shell.yaml
+++ b/.forgejo/workflows/nix-shell.yaml
@@ -10,7 +10,7 @@ on:
 
 jobs:
   nix/shell:
-    runs-on: nixos-latest
+    runs-on: nixos-flakes
     steps:
       - name: checkout
         uses: actions/checkout@v3
@@ -23,6 +23,19 @@ jobs:
           run: |
             hello
 
+      - name: ensure we're not in a dev environment
+        uses: ./shell
+        with:
+          flake: ./shell/test
+          package: "hello"
+          run: |
+            set -x
+
+            # if we have gcc installed, we're in a dev environment.
+            # we don't want to be in a dev environment
+            type -p gcc >/dev/null && exit 1
+            hello
+
       - name: no commands should still work
         uses: ./shell
         with:
diff --git a/.forgejo/workflows/noop.yaml b/.forgejo/workflows/noop.yaml
new file mode 100644
index 0000000..29b4582
--- /dev/null
+++ b/.forgejo/workflows/noop.yaml
@@ -0,0 +1,13 @@
+---
+name: Nothing.
+
+on:
+  push:
+
+jobs:
+  nothing:
+    runs-on: nixos-flakes
+
+    steps:
+      - name: no-op
+        run: echo "This is only here to make Ironforge happy."
diff --git a/.forgejo/workflows/shellcheck.yaml b/.forgejo/workflows/shellcheck.yaml
index e4d348e..3eb2700 100644
--- a/.forgejo/workflows/shellcheck.yaml
+++ b/.forgejo/workflows/shellcheck.yaml
@@ -9,7 +9,7 @@ on:
 
 jobs:
   shellcheck:
-    runs-on: nixos-latest
+    runs-on: nixos-flakes
 
     steps:
       - name: checkout
diff --git a/build/bin/nix-build b/build/bin/nix-build
index 8085c3e..a02c178 100755
--- a/build/bin/nix-build
+++ b/build/bin/nix-build
@@ -8,9 +8,5 @@ case "${INPUT_LOGS}" in
         ;;
 esac
 
-exec 2>&1
-
-echo "##[group]Building ${INPUT_PACKAGE}"
 nix build ${LOGS} --out-link "${INPUT_OUT_LINK}" "${INPUT_FLAKE}#${INPUT_PACKAGE}"
 echo "output-path=$(readlink "${INPUT_OUT_LINK}")" >>"${GITHUB_OUTPUT}"
-echo "##[endgroup]"