added cave-rdep and cave-stat

bin/cave-rdep

@@ -0,0 +1,32 @@
+#! /usr/bin/env python3
+# encoding: utf-8
+
+import glob
+import re
+import sys
+
+def grep(exp, filename):
+	with open(filename) as f:
+		matches = re.findall(exp, f.read())
+	
+	return matches
+
+def find_reverse_deps(deps):
+	all_dep_files = glob.glob("/var/db/pkg/*/*/*DEPEND")
+	
+	regexp = "(%s)[^:]*:[^/]+/[^=]+=" %("|".join(deps))
+	matching_files = set(f for f in all_dep_files if grep(regexp, f))
+	atoms = set("=" + f[12:].rsplit("/", 1)[0] for f in matching_files)
+	
+	return atoms
+
+
+if __name__ == "__main__":
+	if len(sys.argv) > 1:
+		atoms = find_reverse_deps(sys.argv[1:])
+		print(" ".join(sorted(atoms)))
+	else:
+		print("Usage: %s DEPENDENCY [more DEPENDENCIES...]" %(sys.argv[0]))
+		print("Finds all reverse deps of DEPENDENCY")
+		
+		sys.exit(1)

bin/cave-stat

@@ -0,0 +1,20 @@
+#! /usr/bin/env python3
+# encoding: utf-8
+
+import psutil
+
+def cave_stat():
+	for proc in psutil.process_iter():
+		if proc.name() == "cave":
+			cmdline = proc.cmdline()
+			
+			if "--x-of-y" in cmdline:
+				position = cmdline[-1]
+				dest_idx = cmdline.index("--destination")
+				atom = cmdline[dest_idx - 1]
+				
+				yield "Installing %s (%s)" %(atom, position)
+
+if __name__ == "__main__":
+	for state in cave_stat():
+		print(state)