#!/usr/bin/env python
# General purpose package removal tool for ftpmaster
-# Copyright (C) 2000, 2001, 2002, 2003 James Troup <james@nocrew.org>
-# $Id: melanie,v 1.39 2003-05-02 13:53:57 troup Exp $
+# Copyright (C) 2000, 2001, 2002, 2003, 2004 James Troup <james@nocrew.org>
+# $Id: melanie,v 1.44 2005-11-15 09:50:32 ajt Exp $
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
################################################################################
-import commands, os, pg, re, sys, tempfile
-import utils, db_access
+import commands, os, pg, re, sys;
+import utils, db_access;
import apt_pkg, apt_inst;
################################################################################
re_strip_source_version = re.compile (r'\s+.*$');
+re_build_dep_arch = re.compile(r"\[[^]]+\]");
################################################################################
Cnf = None;
+Options = None;
projectB = None;
################################################################################
-m, --reason=MSG reason for removal
-n, --no-action don't do anything
-p, --partial don't affect override files
+ -R, --rdep-check check reverse dependencies
-s, --suite=SUITE act on this suite
-S, --source-only remove source only
################################################################################
+def reverse_depends_check(removals, suites):
+ print "Checking reverse dependencies..."
+ components = Cnf.ValueList("Suite::%s::Components" % suites[0])
+ dep_problem = 0
+ p2c = {};
+ for architecture in Cnf.ValueList("Suite::%s::Architectures" % suites[0]):
+ if architecture in ["source", "all"]:
+ continue
+ deps = {};
+ virtual_packages = {};
+ for component in components:
+ filename = "%s/dists/%s/%s/binary-%s/Packages.gz" % (Cnf["Dir::Root"], suites[0], component, architecture)
+ # apt_pkg.ParseTagFile needs a real file handle and can't handle a GzipFile instance...
+ temp_filename = utils.temp_filename();
+ (result, output) = commands.getstatusoutput("gunzip -c %s > %s" % (filename, temp_filename));
+ if (result != 0):
+ utils.fubar("Gunzip invocation failed!\n%s\n" % (output), result);
+ packages = utils.open_file(temp_filename);
+ Packages = apt_pkg.ParseTagFile(packages)
+ while Packages.Step():
+ package = Packages.Section.Find("Package")
+ depends = Packages.Section.Find("Depends")
+ if depends:
+ deps[package] = depends
+ provides = Packages.Section.Find("Provides")
+ # Maintain a counter for each virtual package. If a
+ # Provides: exists, set the counter to 0 and count all
+ # provides by a package not in the list for removal.
+ # If the counter stays 0 at the end, we know that only
+ # the to-be-removed packages provided this virtual
+ # package.
+ if provides:
+ for virtual_pkg in provides.split(","):
+ virtual_pkg = virtual_pkg.strip()
+ if virtual_pkg == package: continue
+ if not virtual_packages.has_key(virtual_pkg):
+ virtual_packages[virtual_pkg] = 0
+ if package not in removals:
+ virtual_packages[virtual_pkg] += 1
+ p2c[package] = component;
+ packages.close()
+ os.unlink(temp_filename);
+
+ # If a virtual package is only provided by the to-be-removed
+ # packages, treat the virtual package as to-be-removed too.
+ for virtual_pkg in virtual_packages.keys():
+ if virtual_packages[virtual_pkg] == 0:
+ removals.append(virtual_pkg)
+
+ # Check binary dependencies (Depends)
+ for package in deps.keys():
+ if package in removals: continue
+ parsed_dep = []
+ try:
+ parsed_dep += apt_pkg.ParseDepends(deps[package])
+ except ValueError, e:
+ print "Error for package %s: %s" % (package, e)
+ for dep in parsed_dep:
+ # Check for partial breakage. If a package has a ORed
+ # dependency, there is only a dependency problem if all
+ # packages in the ORed depends will be removed.
+ unsat = 0
+ for dep_package, _, _ in dep:
+ if dep_package in removals:
+ unsat += 1
+ if unsat == len(dep):
+ component = p2c[package];
+ if component != "main":
+ what = "%s/%s" % (package, component);
+ else:
+ what = "** %s" % (package);
+ print "%s has an unsatisfied dependency on %s: %s" % (what, architecture, utils.pp_deps(dep));
+ dep_problem = 1
+
+ # Check source dependencies (Build-Depends and Build-Depends-Indep)
+ for component in components:
+ filename = "%s/dists/%s/%s/source/Sources.gz" % (Cnf["Dir::Root"], suites[0], component)
+ # apt_pkg.ParseTagFile needs a real file handle and can't handle a GzipFile instance...
+ temp_filename = utils.temp_filename();
+ result, output = commands.getstatusoutput("gunzip -c %s > %s" % (filename, temp_filename))
+ if result != 0:
+ sys.stderr.write("Gunzip invocation failed!\n%s\n" % (output))
+ sys.exit(result)
+ sources = utils.open_file(temp_filename, "r")
+ Sources = apt_pkg.ParseTagFile(sources)
+ while Sources.Step():
+ source = Sources.Section.Find("Package")
+ if source in removals: continue
+ parsed_dep = []
+ for build_dep_type in ["Build-Depends", "Build-Depends-Indep"]:
+ build_dep = Sources.Section.get(build_dep_type)
+ if build_dep:
+ # Remove [arch] information since we want to see breakage on all arches
+ build_dep = re_build_dep_arch.sub("", build_dep)
+ try:
+ parsed_dep += apt_pkg.ParseDepends(build_dep)
+ except ValueError, e:
+ print "Error for source %s: %s" % (source, e)
+ for dep in parsed_dep:
+ unsat = 0
+ for dep_package, _, _ in dep:
+ if dep_package in removals:
+ unsat += 1
+ if unsat == len(dep):
+ if component != "main":
+ source = "%s/%s" % (source, component);
+ else:
+ source = "** %s" % (source);
+ print "%s has an unsatisfied build-dependency: %s" % (source, utils.pp_deps(dep))
+ dep_problem = 1
+ sources.close()
+ os.unlink(temp_filename)
+
+ if dep_problem:
+ print "Dependency problem found."
+ if not Options["No-Action"]:
+ game_over()
+ else:
+ print "No dependency problem found."
+ print
+
+################################################################################
+
def main ():
- global Cnf, projectB;
+ global Cnf, Options, projectB;
Cnf = utils.get_conf()
('c',"component", "Melanie::Options::Component", "HasArg"),
('C',"carbon-copy", "Melanie::Options::Carbon-Copy", "HasArg"), # Bugs to Cc
('d',"done","Melanie::Options::Done", "HasArg"), # Bugs fixed
+ ('R',"rdep-check", "Melanie::Options::Rdep-Check"),
('m',"reason", "Melanie::Options::Reason", "HasArg"), # Hysterical raisins; -m is old-dinstall option for rejection reason
('n',"no-action","Melanie::Options::No-Action"),
('p',"partial", "Melanie::Options::Partial"),
('S',"source-only", "Melanie::Options::Source-Only"),
];
- for i in ["help", "architecture", "binary-only", "component", "carbon-copy", "done", "reason", "no-action", "partial", "source-only" ]:
+ for i in [ "architecture", "binary-only", "carbon-copy", "component",
+ "done", "help", "no-action", "partial", "rdep-check", "reason",
+ "source-only" ]:
if not Cnf.has_key("Melanie::Options::%s" % (i)):
Cnf["Melanie::Options::%s" % (i)] = "";
if not Cnf.has_key("Melanie::Options::Suite"):
# Force the admin to tell someone if we're not doing a rene-led removal
# (or closing a bug, which counts as telling someone).
- if not Options["Carbon-Copy"] and not Options["Done"] \
- and Options["Reason"].find("[rene]") == -1:
+ if not Options["No-Action"] and not Options["Carbon-Copy"] \
+ and not Options["Done"] and Options["Reason"].find("[rene]") == -1:
utils.fubar("Need a -C/--carbon-copy if not closing a bug and not doing a rene-led removal.");
# Process -C/--carbon-copy
# If we don't have a reason; spawn an editor so the user can add one
# Write the rejection email out as the <foo>.reason file
if not Options["Reason"] and not Options["No-Action"]:
- temp_filename = tempfile.mktemp();
- fd = os.open(temp_filename, os.O_RDWR|os.O_CREAT|os.O_EXCL, 0700);
- os.close(fd);
+ temp_filename = utils.temp_filename();
editor = os.environ.get("EDITOR","vi")
result = os.system("%s %s" % (editor, temp_filename))
if result != 0:
utils.fubar ("vi invocation failed for `%s'!" % (temp_filename), result)
- file = utils.open_file(temp_filename);
- for line in file.readlines():
+ temp_file = utils.open_file(temp_filename);
+ for line in temp_file.readlines():
Options["Reason"] += line;
+ temp_file.close();
os.unlink(temp_filename);
# Generate the summary of what's to be removed
for maintainer_id in maintainers.keys():
maintainer_list.append(db_access.get_maintainer(maintainer_id));
summary = "";
- packages = d.keys();
- packages.sort();
- for package in packages:
+ removals = d.keys();
+ removals.sort();
+ for package in removals:
versions = d[package].keys();
versions.sort(apt_pkg.VersionCompare);
for version in versions:
print "----------------------------------------------"
print
+ if Options["Rdep-Check"]:
+ reverse_depends_check(removals, suites);
+
# If -n/--no-action, drop out here
if Options["No-Action"]:
sys.exit(0);
+ print "Going to remove the packages now."
game_over();
whoami = utils.whoami();
Subst["__BCC__"] = "Bcc: " + ", ".join(bcc);
else:
Subst["__BCC__"] = "X-Filler: 42";
- Subst["__CC__"] = "X-Katie: melanie $Revision: 1.39 $";
+ Subst["__CC__"] = "X-Katie: melanie $Revision: 1.44 $";
if carbon_copy:
Subst["__CC__"] += "\nCc: " + ", ".join(carbon_copy);
Subst["__SUITE_LIST__"] = suites_list;
projects / dak.git / blobdiff