Refactored the "undo" code into its own method

Signed-off-by: Niels Thykier <niels@thykier.net>
debian
Niels Thykier 13 years ago
parent d626dee30c
commit 3f4f1b4c23

@ -2167,42 +2167,9 @@ class Britney:
extra.append(pkg)
if not mark_passed:
skipped.append(pkg)
# undo the changes (source)
for k in undo['sources'].keys():
if k[0] == '-':
del sources['testing'][k[1:]]
else: sources['testing'][k] = undo['sources'][k]
# undo the changes (new binaries)
if not item.is_removal and item.package in sources[item.suite]:
for p in sources[item.suite][item.package][BINARIES]:
binary, arch = p.split("/")
if item.architecture in ['source', arch]:
del binaries[arch][0][binary]
self.systems[arch].remove_binary(binary)
# undo the changes (binaries)
for p in undo['binaries'].keys():
binary, arch = p.split("/")
if binary[0] == "-":
del binaries[arch][0][binary[1:]]
self.systems[arch].remove_binary(binary[1:])
else:
binaries[arch][0][binary] = undo['binaries'][p]
self.systems[arch].remove_binary(binary)
self.systems[arch].add_binary(binary, binaries[arch][0][binary][:PROVIDES] + \
[", ".join(binaries[arch][0][binary][PROVIDES]) or None])
# undo the changes (virtual packages)
for p in undo['nvirtual']:
j, arch = p.split("/")
del binaries[arch][1][j]
for p in undo['virtual']:
j, arch = p.split("/")
if j[0] == '-':
del binaries[arch][1][j[1:]]
else: binaries[arch][1][j] = undo['virtual'][p]
single_undo = [(undo, item)]
# (local-scope) binaries is actually self.binaries["testing"] so we cannot use it here.
self.undo_changes(single_undo, systems, sources, self.binaries)
# if we are processing hints, return now
if hint:
@ -2302,47 +2269,77 @@ class Britney:
self.output_write("FAILED\n")
if not undo: return
# undo all the changes
for (undo, item) in lundo:
# undo the changes (source)
for k in undo['sources'].keys():
if k[0] == '-':
del self.sources['testing'][k[1:]]
else: self.sources['testing'][k] = undo['sources'][k]
for (undo, item) in lundo:
# undo the changes (new binaries)
if not item.is_removal and item.package in self.sources[item.suite]:
for p in self.sources[item.suite][item.package][BINARIES]:
binary, arch = p.split("/")
if item.architecture in ['source', arch]:
del self.binaries['testing'][arch][0][binary]
self.systems[arch].remove_binary(binary)
for (undo, item) in lundo:
# undo the changes (binaries)
for p in undo['binaries'].keys():
self.undo_changes(lundo, self.systems, self.sources, self.binaries)
def undo_changes(self, lundo, systems, sources, binaries):
"""Undoes one or more changes to testing
* lundo is a list of (undo, item)-tuples
* systems is the britney-py.c system
* sources is the table of all source packages for all suites
* binaries is the table of all binary packages for all suites
and architectures
"""
# We do the undo process in "4 steps" and each step must be
# fully completed for each undo-item before starting on the
# next.
#
# see commit:ef71f0e33a7c3d8ef223ec9ad5e9843777e68133 and
# #624716 for the issues we had when we did not do this.
# STEP 1
# undo all the changes for sources
for (undo, item) in lundo:
for k in undo['sources'].keys():
if k[0] == '-':
del sources["testing"][k[1:]]
else:
sources["testing"][k] = undo['sources'][k]
# STEP 2
# undo all new binaries (consequence of the above)
for (undo, item) in lundo:
if not item.is_removal and item.package in sources[item.suite]:
for p in sources[item.suite][item.package][BINARIES]:
binary, arch = p.split("/")
if binary[0] == "-":
del self.binaries['testing'][arch][0][binary[1:]]
self.systems[arch].remove_binary(binary[1:])
else:
binaries = self.binaries['testing'][arch][0]
binaries[binary] = undo['binaries'][p]
self.systems[arch].remove_binary(binary)
self.systems[arch].add_binary(binary, binaries[binary][:PROVIDES] + \
[", ".join(binaries[binary][PROVIDES]) or None])
for (undo, item) in lundo:
# undo the changes (virtual packages)
for p in undo['nvirtual']:
j, arch = p.split("/")
del self.binaries['testing'][arch][1][j]
for p in undo['virtual']:
j, arch = p.split("/")
if j[0] == '-':
del self.binaries['testing'][arch][1][j[1:]]
else: self.binaries['testing'][arch][1][j] = undo['virtual'][p]
if item.architecture in ['source', arch]:
del binaries["testing"][arch][0][binary]
systems[arch].remove_binary(binary)
# STEP 3
# undo all other binary package changes (except virtual packages)
for (undo, item) in lundo:
for p in undo['binaries'].keys():
binary, arch = p.split("/")
if binary[0] == "-":
del binaries['testing'][arch][0][binary[1:]]
systems[arch].remove_binary(binary[1:])
else:
binaries_t_a = binaries['testing'][arch][0]
binaries_t_a[binary] = undo['binaries'][p]
systems[arch].remove_binary(binary)
systems[arch].add_binary(binary, binaries_t_a[binary][:PROVIDES] + \
[", ".join(binaries_t_a[binary][PROVIDES]) or None])
# STEP 4
# undo all changes to virtual packages
for (undo, item) in lundo:
for p in undo['nvirtual']:
j, arch = p.split("/")
del binaries['testing'][arch][1][j]
for p in undo['virtual']:
j, arch = p.split("/")
if j[0] == '-':
del binaries['testing'][arch][1][j[1:]]
else:
binaries['testing'][arch][1][j] = undo['virtual'][p]
def upgrade_testing(self):
"""Upgrade testing using the unstable packages

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