From d21268c326e46a6a1dd5fe19b2feeb8cd8963314 Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Fri, 23 Feb 2007 14:17:13 +0000
Subject: [PATCH] Make verify_all() return an "insufficient data" error if
 there is not at least one supported hash type. Make fetch() bail out when
 this error occurs. (trunk r6054:6056)

svn path=/main/branches/2.1.2/; revision=6057
---
 pym/portage.py          |  4 ++++
 pym/portage_checksum.py | 18 ++++++++++++++++++
 2 files changed, 22 insertions(+)

diff --git a/pym/portage.py b/pym/portage.py
index ee7a4a806..6205d7315 100644
--- a/pym/portage.py
+++ b/pym/portage.py
@@ -2484,6 +2484,8 @@ def fetch(myuris, mysettings, listonly=0, fetchonly=0, locks_in_subdir=".locks",
 								writemsg(("!!! Got:      %s\n" + \
 									"!!! Expected: %s\n") % \
 									(reason[1], reason[2]), noiselevel=-1)
+								if reason[0] == "Insufficient data for checksum verification":
+									return 0
 								if can_fetch and not restrict_fetch:
 									writemsg("Refetching...\n\n",
 										noiselevel=-1)
@@ -2623,6 +2625,8 @@ def fetch(myuris, mysettings, listonly=0, fetchonly=0, locks_in_subdir=".locks",
 										noiselevel=-1)
 									writemsg("!!! Got:      %s\n!!! Expected: %s\n" % \
 										(reason[1], reason[2]), noiselevel=-1)
+									if reason[0] == "Insufficient data for checksum verification":
+										return 0
 									writemsg("Removing corrupt distfile...\n", noiselevel=-1)
 									os.unlink(mysettings["DISTDIR"]+"/"+myfile)
 									fetched=0
diff --git a/pym/portage_checksum.py b/pym/portage_checksum.py
index 7f1a89c8e..cd5e0cb31 100644
--- a/pym/portage_checksum.py
+++ b/pym/portage_checksum.py
@@ -3,6 +3,8 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Id$
 
+if not hasattr(__builtins__, "set"):
+	from sets import Set as set
 
 from portage_const import PRIVATE_PATH,PRELINK_BINARY,HASHING_BLOCKSIZE
 import os
@@ -113,6 +115,22 @@ def verify_all(filename, mydict, calc_prelink=0, strict=0):
 		if e.errno == errno.ENOENT:
 			raise portage_exception.FileNotFound(filename)
 		return False, (str(e), None, None)
+
+	verifiable_hash_types = set(mydict).intersection(hashfunc_map)
+	verifiable_hash_types.discard("size")
+	if not verifiable_hash_types:
+		expected = set(hashfunc_map)
+		expected.discard("size")
+		expected = list(expected)
+		expected.sort()
+		expected = " ".join(expected)
+		got = set(mydict)
+		got.discard("size")
+		got = list(got)
+		got.sort()
+		got = " ".join(got)
+		return False, ("Insufficient data for checksum verification", got, expected)
+
 	for x in mydict.keys():
 		if   x == "size":
 			continue
-- 
2.26.2