New package: dust (#27845)

var/spack/repos/builtin/packages/dust/package.py

@@ -0,0 +1,51 @@
+# Copyright 2013-2021 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack import *
+
+
+class Dust(Package):
+    """du + rust = dust. Like du but more intuitive."""
+
+    homepage = "https://github.com/bootandy/dust"
+    url = "https://github.com/bootandy/dust/archive/v0.7.5.tar.gz"
+
+    maintainers = ["fangohr"]
+
+    version(
+        "0.7.5",
+        sha256="f892aaf7a0a7852e12d01b2ced6c2484fb6dc5fe7562abdf0c44a2d08aa52618",
+    )
+
+    depends_on("rust")
+
+    sanity_check_is_file = [join_path("bin", "dust")]
+
+    def install(self, spec, prefix):
+        cargo = which("cargo")
+        cargo("install", "--root", prefix, "--path", ".")
+
+    @run_after("install")
+    def check_install(self):
+        print("Attempt to call 'dust' with '--version'")
+        dust = Executable(join_path(self.spec["dust"].prefix.bin, "dust"))
+        output = dust(
+            "--version",
+            output=str.split,
+        )
+        print("stdout received fromm dust is '{}".format(output))
+        assert "Dust " in output
+
+    def test(self):
+        """Run this smoke test when requested explicitly"""
+
+        dustpath = join_path(self.spec["dust"].prefix.bin, "dust")
+        options = ["--version"]
+        purpose = "Check dust can execute (with option '--version')"
+        expected = ["Dust "]
+
+        self.run_test(
+            dustpath, options=options, expected=expected, status=[0], purpose=purpose
+        )