From 5f62725f72880ead678a2967e2501da202f28e90 Mon Sep 17 00:00:00 2001
From: Diego Elio 'Flameeyes' Pettenò <flameeyes@gmail.com>
Date: Sun, 6 Dec 2009 18:56:27 +0100
Subject: Add first the main tinderbox Python scripts written by Zac.

---
 tinderbox.py             | 125 +++++++++++++++++++++++++++++++++++++++++++++++
 unavailable_installed.py |  17 +++++++
 2 files changed, 142 insertions(+)
 create mode 100755 tinderbox.py
 create mode 100755 unavailable_installed.py

diff --git a/tinderbox.py b/tinderbox.py
new file mode 100755
index 0000000..b35bc98
--- /dev/null
+++ b/tinderbox.py
@@ -0,0 +1,125 @@
+#!/usr/bin/env python
+
+seconds_per_week = 7 * 24 * 60 * 60
+# reinstall_period = None
+reinstall_period = 10 * seconds_per_week
+
+import os
+import sys
+import time
+
+import portage
+
+current_time = time.time()
+
+portdb = portage.portdb
+portdb.porttrees = [portdb.porttree_root] # exclude overlays
+portdb.freeze()
+settings = portage.config(clone=portage.settings)
+vardb = portage.db[settings["ROOT"]]["vartree"].dbapi
+fakedb = portage.fakedbapi(settings=portage.settings)
+deps = {}
+
+metadata_keys = [k for k in portage.auxdbkeys if not k.startswith("UNUSED_")]
+dep_keys = ["DEPEND", "RDEPEND", "PDEPEND"]
+good_pkgs = set()
+bad_pkgs = set()
+
+for cp in portdb.cp_all():
+	best_visible = portdb.xmatch("bestmatch-visible", cp)
+	if best_visible:
+		best_installed = portage.best(vardb.match(cp))
+		reinstall = False
+		if best_installed and reinstall_period is not None:
+			try:
+				mtime = os.stat(os.path.join(
+					vardb.getpath(best_installed), 'COUNTER')).st_mtime
+			except OSError:
+				reinstall = True
+			else:
+				if current_time - mtime > reinstall_period:
+					reinstall = True
+					#sys.stderr.write("%s is %.1f weeks old\n" % \
+					#	(best_installed,
+					#	(current_time - mtime) / seconds_per_week))
+
+		if reinstall or best_visible != best_installed:
+
+			traversed = set()
+			dep_stack = []
+			dep_stack.append(("=" + best_visible, best_visible))
+			unsatisfied_dep = False
+
+			while dep_stack:
+				dep_atom, parent = dep_stack.pop()
+				dep_pkg = portdb.xmatch("bestmatch-visible", dep_atom)
+				if not dep_pkg:
+					unsatisfied_dep = True
+					bad_pkgs.add(parent)
+					break
+
+				if dep_pkg in bad_pkgs:
+					unsatisfied_dep = True
+					bad_pkgs.add(parent)
+					break
+
+				if dep_pkg in good_pkgs or dep_pkg in traversed:
+					continue
+
+				metadata = dict(zip(metadata_keys,
+					portdb.aux_get(dep_pkg, metadata_keys)))
+
+				# If this package isn't the highest visible version
+				# in the slot then drop it in order to avoid a slot
+				# conflict.
+				slot_atom = "%s:%s" % (portage.cpv_getkey(dep_pkg),
+					metadata["SLOT"])
+				best_visible_slot = portdb.xmatch("bestmatch-visible",
+					slot_atom)
+				if dep_pkg != best_visible_slot:
+					unsatisfied_dep = True
+					bad_pkgs.add(dep_pkg)
+					bad_pkgs.add(parent)
+					break
+
+				dep_str = " ".join(metadata[k] for k in dep_keys)
+				settings.setcpv(dep_pkg, mydb=metadata)
+				metadata["USE"] = settings["PORTAGE_USE"]
+				success, atoms = portage.dep_check(dep_str,
+					None, settings, myuse=metadata["USE"].split(),
+					trees=portage.db, myroot=settings["ROOT"])
+
+				if not success:
+					sys.stderr.write(atoms + "\n")
+					unsatisfied_dep = True
+					bad_pkgs.add(dep_pkg)
+					bad_pkgs.add(parent)
+					break
+
+				traversed.add(dep_pkg)
+				fakedb.cpv_inject(dep_pkg, metadata=metadata)
+
+				deps[dep_pkg] = atoms
+				for atom in atoms:
+					if atom.blocker:
+						continue
+					dep_stack.append((atom, dep_pkg))
+
+			if unsatisfied_dep:
+				bad_pkgs.add(best_visible)
+			else:
+				good_pkgs.update(traversed)
+				print cp
+
+for cpv in good_pkgs:
+	for atom in deps[cpv]:
+		if atom.blocker:
+			continue
+		if not atom.use:
+			continue
+		if not fakedb.match(atom):
+			sys.stderr.write("%s has unsatisfied USE dep: %s\n" % (cpv, atom))
+			#for cpv2 in fakedb.match(atom.cp):
+			#	sys.stderr.write("   %s IUSE: %s USE: %s\n" % (cpv2,
+			#		fakedb.aux_get(cpv2, ["IUSE"])[0],
+			#		fakedb.aux_get(cpv2, ["USE"])[0]))
diff --git a/unavailable_installed.py b/unavailable_installed.py
new file mode 100755
index 0000000..cb389e9
--- /dev/null
+++ b/unavailable_installed.py
@@ -0,0 +1,17 @@
+#!/usr/bin/env python
+
+import portage
+
+portdb = portage.portdb
+portdb.porttrees = [portdb.porttree_root] # exclude overlays
+settings = portage.config(clone=portage.settings)
+vardb = portage.db[settings['ROOT']]['vartree'].dbapi
+
+for cpv in vardb.cpv_all():
+	slot, = vardb.aux_get(cpv, ['SLOT'])
+	cp = portage.cpv_getkey(cpv)
+	atom = cp
+	if slot:
+		atom += ":" + slot
+	if not portdb.xmatch('match-visible', atom):
+		print atom
-- 
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