If a requirement of a package is conflicted, depending on how the solution is reached, Smart's transaction code may eliminate all providers of the requirement and then error out because nothing provides them without saying why. To work around this, store a reason and report that back if we need to, so for example instead of: error: Can't install packagegroup-core-ssh-dropbear-1.0-r1@all: no package provides dropbear we will now get: error: Can't install packagegroup-core-ssh-dropbear-1.0-r1@all: unable to install provider for dropbear: error: dropbear-2013.58-r1.0@armv5te is conflicted by openssh-sshd-6.2p2-r0@armv5te Fixes [YOCTO #4305]. (From OE-Core rev: 1ed09b87fc8780d4a99f6516493fae2e0c92862c) Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com> Signed-off-by: Saul Wold <sgw@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
197 lines
7.9 KiB
Diff
197 lines
7.9 KiB
Diff
Report a reason when a dependency could not be installed because it is locked
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If a requirement of a package is conflicted, depending on how the
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solution is reached, the transaction code may eliminate all providers
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of the requirement and then error out because nothing provides them. To
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work around this, store a reason in the locked dict and report that back
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if we need to, so for example instead of:
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error: Can't install packagegroup-core-ssh-dropbear-1.0-r1@all: no package provides dropbear
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we now get:
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error: Can't install packagegroup-core-ssh-dropbear-1.0-r1@all: unable to install provider for dropbear:
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error: dropbear-2013.58-r1.0@armv5te is conflicted by openssh-sshd-6.2p2-r0@armv5te
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Upstream-Status: Pending
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Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
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---
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smart/const.py | 7 +++++++
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smart/transaction.py | 58 +++++++++++++++++++++++++++++++++++++++++-----------
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2 files changed, 53 insertions(+), 12 deletions(-)
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diff --git a/smart/const.py b/smart/const.py
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index 4d8e5cb..67c1ac5 100644
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--- a/smart/const.py
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+++ b/smart/const.py
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@@ -70,4 +70,11 @@ DATADIR = "/var/lib/smart/"
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USERDATADIR = "~/.smart/"
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CONFFILE = "config"
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+LOCKED_INSTALL = Enum('LOCKED_INSTALL')
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+LOCKED_REMOVE = Enum('LOCKED_REMOVE')
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+LOCKED_CONFLICT = Enum('LOCKED_CONFLICT')
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+LOCKED_CONFLICT_BY = Enum('LOCKED_CONFLICT_BY')
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+LOCKED_NO_COEXIST = Enum('LOCKED_NO_COEXIST')
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+LOCKED_SYSCONF = Enum('LOCKED_SYSCONF')
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+
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# vim:ts=4:sw=4:et
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diff --git a/smart/transaction.py b/smart/transaction.py
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index 300b9cc..dd9aa38 100644
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--- a/smart/transaction.py
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+++ b/smart/transaction.py
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@@ -19,10 +19,31 @@
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# along with Smart Package Manager; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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-from smart.const import INSTALL, REMOVE, UPGRADE, FIX, REINSTALL, KEEP
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+from smart.const import INSTALL, REMOVE, UPGRADE, FIX, REINSTALL, KEEP, LOCKED_INSTALL, LOCKED_CONFLICT, LOCKED_CONFLICT_BY, LOCKED_NO_COEXIST, LOCKED_SYSCONF, LOCKED_REMOVE
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from smart.cache import PreRequires, Package
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from smart import *
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+def lock_reason(pkg, lockvalue):
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+ try:
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+ (reason, otherpkg) = lockvalue
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+ except TypeError:
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+ reason = None
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+ lockvalue = None
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+ if reason == LOCKED_INSTALL:
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+ return _("%s is to be installed") % pkg
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+ elif reason == LOCKED_CONFLICT:
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+ return _("%s conflicts with %s") % (pkg, otherpkg)
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+ elif reason == LOCKED_CONFLICT_BY:
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+ return _("%s is conflicted by %s") % (pkg, otherpkg)
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+ elif reason == LOCKED_NO_COEXIST:
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+ return _("%s cannot coexist with %s") % (pkg, otherpkg)
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+ elif reason == LOCKED_SYSCONF:
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+ return _("%s is locked in system configuration") % pkg
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+ elif reason == LOCKED_REMOVE:
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+ return _("%s is to be removed") % pkg
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+ else:
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+ return _("%s is locked (unknown reason)") % pkg
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+
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class ChangeSet(dict):
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def __init__(self, cache, state=None, requested=None):
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@@ -187,7 +208,7 @@ class Policy(object):
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for pkg in pkgconf.filterByFlag("lock", cache.getPackages()):
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if pkg not in self._locked:
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self._sysconflocked.append(pkg)
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- self._locked[pkg] = True
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+ self._locked[pkg] = (LOCKED_SYSCONF, None)
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def runFinished(self):
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self._priorities.clear()
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@@ -524,7 +545,7 @@ class Transaction(object):
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if ownpending:
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pending = []
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- locked[pkg] = True
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+ locked[pkg] = (LOCKED_INSTALL, None)
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changeset.set(pkg, INSTALL)
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isinst = changeset.installed
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@@ -535,7 +556,7 @@ class Transaction(object):
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if prvpkg is pkg:
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continue
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if not isinst(prvpkg):
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- locked[prvpkg] = True
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+ locked[prvpkg] = (LOCKED_CONFLICT_BY, pkg)
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continue
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if prvpkg in locked:
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raise Failed, _("Can't install %s: conflicted package "
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@@ -550,7 +571,7 @@ class Transaction(object):
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if cnfpkg is pkg:
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continue
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if not isinst(cnfpkg):
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- locked[cnfpkg] = True
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+ locked[cnfpkg] = (LOCKED_CONFLICT, pkg)
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continue
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if cnfpkg in locked:
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raise Failed, _("Can't install %s: it's conflicted by "
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@@ -565,7 +586,7 @@ class Transaction(object):
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for namepkg in namepkgs:
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if namepkg is not pkg and not pkg.coexists(namepkg):
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if not isinst(namepkg):
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- locked[namepkg] = True
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+ locked[namepkg] = (LOCKED_NO_COEXIST, pkg)
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continue
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if namepkg in locked:
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raise Failed, _("Can't install %s: it can't coexist "
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@@ -577,6 +598,7 @@ class Transaction(object):
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# Check if someone is already providing it.
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prvpkgs = {}
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+ lockedpkgs = {}
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found = False
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for prv in req.providedby:
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for prvpkg in prv.packages:
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@@ -585,6 +607,8 @@ class Transaction(object):
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break
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if prvpkg not in locked:
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prvpkgs[prvpkg] = True
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+ else:
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+ lockedpkgs[prvpkg] = locked[prvpkg]
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else:
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continue
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break
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@@ -597,7 +621,17 @@ class Transaction(object):
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if not prvpkgs:
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# No packages provide it at all. Give up.
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if req in pkg.requires:
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- raise Failed, _("Can't install %s: no package provides %s") % \
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+ reasons = []
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+ for prv in req.providedby:
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+ for prvpkg in prv.packages:
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+ lockedres = lockedpkgs.get(prvpkg, None)
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+ if lockedres:
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+ reasons.append(lock_reason(prvpkg, lockedres))
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+ if reasons:
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+ raise Failed, _("Can't install %s: unable to install provider for %s:\n %s") % \
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+ (pkg, req, '\n '.join(reasons))
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+ else:
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+ raise Failed, _("Can't install %s: no package provides %s") % \
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(pkg, req)
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else:
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# It's only a recommend, skip
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@@ -627,7 +661,7 @@ class Transaction(object):
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if ownpending:
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pending = []
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- locked[pkg] = True
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+ locked[pkg] = (LOCKED_REMOVE, None)
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changeset.set(pkg, REMOVE)
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isinst = changeset.installed
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@@ -1140,22 +1174,22 @@ class Transaction(object):
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if op is KEEP:
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if pkg in changeset:
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del changeset[pkg]
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- locked[pkg] = True
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+ locked[pkg] = (LOCKED_KEEP, None)
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elif op is INSTALL:
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if not isinst(pkg) and pkg in locked:
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raise Failed, _("Can't install %s: it's locked") % pkg
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changeset.set(pkg, INSTALL)
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- locked[pkg] = True
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+ locked[pkg] = (LOCKED_INSTALL, None)
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elif op is REMOVE:
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if isinst(pkg) and pkg in locked:
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raise Failed, _("Can't remove %s: it's locked") % pkg
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changeset.set(pkg, REMOVE)
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- locked[pkg] = True
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+ locked[pkg] = (LOCKED_REMOVE, None)
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elif op is REINSTALL:
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if pkg in locked:
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raise Failed, _("Can't reinstall %s: it's locked")%pkg
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changeset.set(pkg, INSTALL, force=True)
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- locked[pkg] = True
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+ locked[pkg] = (LOCKED_INSTALL, None)
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elif op is UPGRADE:
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pass
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--
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1.8.1.2
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