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by mbp at sourcefrog
import from baz patch-364 |
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#! /usr/bin/python
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# Copyright (C) 2004, 2005 by Martin Pool
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# Copyright (C) 2005 by Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; 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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# consistency checks
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def check(): |
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"""Consistency check of tree."""
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assert_in_tree() |
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mutter("checking tree") |
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check_patches_exist() |
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check_patch_chaining() |
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check_patch_uniqueness() |
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check_inventory() |
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mutter("tree looks OK") |
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## TODO: Check that previous-inventory and previous-manifest
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## are the same as those stored in the previous changeset.
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## TODO: Check all patches present in patch directory are
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## mentioned in patch history; having an orphaned patch only gives
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## a warning.
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## TODO: Check cached data is consistent with data reconstructed
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## from scratch.
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## TODO: Check no control files are versioned.
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## TODO: Check that the before-hash of each file in a later
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## revision matches the after-hash in the previous revision to
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## touch it.
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def check_inventory(): |
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mutter("checking inventory file and ids...") |
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seen_ids = Set() |
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seen_names = Set() |
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for l in controlfile('inventory').readlines(): |
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parts = l.split() |
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if len(parts) != 2: |
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bailout("malformed inventory line: " + `l`) |
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file_id, name = parts |
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if file_id in seen_ids: |
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bailout("duplicated file id " + file_id) |
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seen_ids.add(file_id) |
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if name in seen_names: |
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bailout("duplicated file name in inventory: " + quotefn(name)) |
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seen_names.add(name) |
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if is_control_file(name): |
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raise BzrError("control file %s present in inventory" % quotefn(name)) |
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def check_patches_exist(): |
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"""Check constraint of current version: all patches exist"""
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mutter("checking all patches are present...") |
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for pid in revision_history(): |
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read_patch_header(pid) |
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def check_patch_chaining(): |
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"""Check ancestry of patches and history file is consistent"""
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mutter("checking patch chaining...") |
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prev = None |
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for pid in revision_history(): |
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log_prev = read_patch_header(pid).precursor |
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if log_prev != prev: |
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bailout("inconsistent precursor links on " + pid) |
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prev = pid |
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def check_patch_uniqueness(): |
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"""Make sure no patch is listed twice in the history.
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This should be implied by having correct ancestry but I'll check it
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anyhow."""
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mutter("checking history for duplicates...") |
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seen = Set() |
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for pid in revision_history(): |
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if pid in seen: |
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bailout("patch " + pid + " appears twice in history") |
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seen.add(pid) |
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