1 files changed, 86 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/libraries/bashup-events/generic.nix b/nixpkgs/pkgs/development/libraries/bashup-events/generic.nix
new file mode 100644
index 000000000000..f8a17f3bb11e
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/bashup-events/generic.nix
@@ -0,0 +1,86 @@
+{
+  # general
+  lib
+, resholve
+, bash
+, doCheck ? true
+, doInstallCheck ? true
+  # variant-specific
+, variant
+, version
+, branch
+, src
+, fake ? false
+, keep
+}:
+let
+  # extracting this so that it's trivial to test in other shells
+  installCheck = shell:
+    ''
+      echo "testing bashup.events in ${shell}"
+      ${shell} <<'EOF'
+      source $out/bin/bashup.events
+      neat(){
+        echo $0: Hi from event \'test event\'. I can have both $1 and $2 arguments.
+        exit 0
+      }
+      event on "test event" @2 neat curried
+      echo event registered
+      event emit "test event" runtime
+      exit 1 # fail if emitting event didn't exit clean
+      EOF
+    '';
+
+in
+resholve.mkDerivation rec {
+  # bashup.events doesn't version yet but it has two variants with
+  # differing features/performance characteristics:
+  # - branch master: a variant for bash 3.2+
+  # - branch bash44: a variant for bash 4.4+
+  pname = "bashup-events${variant}-unstable";
+  # should be YYYY-MM-DD
+  inherit version;
+  inherit src;
+
+  installPhase = ''
+    runHook preInstall
+    install -Dt $out/bin bashup.events
+    runHook postInstall
+  '';
+
+  inherit doCheck;
+  nativeCheckInputs = [ bash ];
+
+  checkPhase = ''
+    runHook preCheck
+    ${bash}/bin/bash -n ./bashup.events
+    ${bash}/bin/bash ./bashup.events
+    runHook postCheck
+  '';
+
+  solutions = {
+    events = {
+      inputs = [ ];
+      interpreter = "none";
+      scripts = [ "bin/bashup.events" ];
+      inherit keep;
+    } // lib.optionalAttrs (lib.isAttrs fake) { inherit fake; };
+  };
+
+  inherit doInstallCheck;
+  nativeInstallCheckInputs = [ bash ];
+  installCheckPhase = ''
+    runHook preInstallCheck
+    ${installCheck "${bash}/bin/bash"}
+    runHook postInstallCheck
+  '';
+
+  meta = with lib; {
+    inherit branch;
+    description = "An event listener/callback API for creating extensible bash programs";
+    homepage = "https://github.com/bashup/events";
+    license = licenses.cc0;
+    maintainers = with maintainers; [ abathur ];
+    platforms = platforms.all;
+  };
+}