pqiv 2.8.1 (new formula)

This closes https://github.com/phillipberndt/pqiv/issues/66

Closes #10344.

Signed-off-by: FX Coudert <fxcoudert@gmail.com>

Formula/pqiv.rb

@@ -0,0 +1,25 @@
+class Pqiv < Formula
+  desc "Powerful image viewer with minimal UI"
+  homepage "https://github.com/phillipberndt/pqiv"
+  url "https://github.com/phillipberndt/pqiv/archive/2.8.1.tar.gz"
+  sha256 "ff8f28007535332f038c7d04a3c2d6696aa62604eef4fd66fc6500a8c235de30"
+  head "https://github.com/phillipberndt/pqiv.git"
+
+  depends_on "pkg-config" => :build
+  depends_on "gtk+3"
+  depends_on "libspectre" => :recommended
+  depends_on "poppler" => :recommended
+  depends_on "imagemagick" => :recommended
+  depends_on "libarchive" => :recommended
+
+  def install
+    system "./configure", "--prefix=#{prefix}"
+    system "make", "install"
+  end
+
+  test do
+    # pqiv does not work at all unless a display is present
+    # (it just outputs an GTK error message)
+    system "#{bin}/pqiv 2>&1 | grep -qi gtk"
+  end
+end