From f0e8d1b9041662ec07eae33d3c03109e2abcf6e8 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Fri, 1 May 2020 01:33:13 +0200
Subject: shell.nix: add build and run

---
 shell.nix | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/shell.nix b/shell.nix
index 4d7e83a..d2e8d51 100644
--- a/shell.nix
+++ b/shell.nix
@@ -28,7 +28,28 @@ in
 
       mkdir -p "$CACHEDIR"
 
+      exe=$CACHEDIR/${lib.currentSystem}
+
+      build() {(
+        set -efu
+        cd "$WORKDIR"
+        options=$(
+          ${pkgs.cabal-read}/bin/ghc-options "$pkg_name.cabal" "$pkg_name"
+        )
+        exec ghc $options \
+            -isrc \
+            -odir "$CACHEDIR" \
+            -hidir "$CACHEDIR" \
+            -o "$exe" \
+            src/main.hs
+      )}
+
+      run() {(
+        exec "$exe" "$@"
+      )}
+
       export SHELL=/run/current-system/sw/bin/bash
+      export FLAMESHOT_CAPTURE_PATH="$CACHEDIR/captures"
 
       cd "$WORKDIR"
     '';
-- 
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