shell.nix: add build and run

1 files changed, 21 insertions, 0 deletions

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"
     '';