[ab8e2a6] | 1 | # -*- mode: makefile; coding: utf-8 -*- |
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| 2 | # Copyright © 2007-2008 Anders Kaseorg <andersk@mit.edu> and |
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| 3 | # Tim Abbott <tabbott@mit.edu> |
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| 4 | # |
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| 5 | # This program is free software; you can redistribute it and/or |
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| 6 | # modify it under the terms of the GNU General Public License as |
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| 7 | # published by the Free Software Foundation; either version 2, or (at |
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| 8 | # your option) any later version. |
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| 9 | # |
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| 10 | # This program is distributed in the hope that it will be useful, but |
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| 11 | # WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | # General Public License for more details. |
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| 14 | # |
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| 15 | # You should have received a copy of the GNU General Public License |
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| 16 | # along with this program; if not, write to the Free Software |
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| 17 | # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
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| 18 | # 02111-1307 USA. |
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| 19 | |
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[5670913] | 20 | # Don't include check-files.mk in your rules files directly; instead |
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| 21 | # use config-package.mk. |
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| 22 | |
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| 23 | # check-files.mk is used to verify that files on local disk have not |
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| 24 | # been modified from the upstream packaged version. Its only API |
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| 25 | # function is adding the following function as a dependency: |
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| 26 | # |
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| 27 | # $(call debian_check_files,filename) |
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| 28 | # |
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| 29 | # Returns the path to a copy of filename that is verified to be |
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| 30 | # unmodified from the version shipped by the distribution (by checking |
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| 31 | # md5sums). The function causes the package to fail to build if the |
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| 32 | # relevant configuration file has been modified on the build machine. |
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| 33 | |
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[ab8e2a6] | 34 | ifndef _cdbs_rules_check_files |
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| 35 | _cdbs_rules_check_files = 1 |
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| 36 | |
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[8dc79e2] | 37 | include /usr/share/cdbs/1/rules/displace.mk |
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[ab8e2a6] | 38 | |
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[5670913] | 39 | DEB_CHECK_FILES_TMPDIR = debian/check_file_copies |
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[ab8e2a6] | 40 | |
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[8dc79e2] | 41 | debian_check_files_source = $(if $(DEB_CHECK_FILES_SOURCE_$(1)),$(DEB_CHECK_FILES_SOURCE_$(1)),$(call displace_files_replace_name,$(1))) |
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[ab8e2a6] | 42 | |
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[5670913] | 43 | debian_check_files = $(patsubst %,$(DEB_CHECK_FILES_TMPDIR)%,$(1)) |
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| 44 | undebian_check_files = $(patsubst $(DEB_CHECK_FILES_TMPDIR)%,%,$(1)) |
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[ab8e2a6] | 45 | |
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| 46 | debian_check_files_tmp = $(patsubst %,%.tmp,$(call debian_check_files,$(1))) |
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| 47 | undebian_check_files_tmp = $(call undebian_check_files,$(patsubst %.tmp,%,$(1))) |
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| 48 | |
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[5670913] | 49 | # We need a level of indirection here in order to make sure that |
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| 50 | # normal makefile targets, like "clean", are not affected by the |
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| 51 | # debian_check_files rules. |
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[ab8e2a6] | 52 | $(call debian_check_files,%): $(call debian_check_files_tmp,%) |
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| 53 | mv $< $@ |
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| 54 | |
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[5670913] | 55 | # We check md5sums from both /var/lib/dpkg/info/$(package).md5sums |
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| 56 | # (the md5sums database for non-conffiles) and the conffiles database |
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| 57 | # used for prompting about conffiles being changed (via dpkg-query). |
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| 58 | # |
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| 59 | # There is some wrangling here because the formats of these sources differ. |
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[ab8e2a6] | 60 | $(call debian_check_files_tmp,%): target = $(call undebian_check_files_tmp,$@) |
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[6f127cb] | 61 | $(call debian_check_files_tmp,%): name = $(call debian_check_files_source,$(target)) |
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[3379330] | 62 | $(call debian_check_files_tmp,%): truename = $(shell dpkg-divert --truename $(name)) |
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[dd49a2d] | 63 | $(call debian_check_files_tmp,%): package = $(shell LC_ALL=C dpkg -S $(name) | sed -n '/^diversion by /! s/: .*$$// p') |
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[ab8e2a6] | 64 | $(call debian_check_files_tmp,%): $(truename) |
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[50bf756] | 65 | [ -n "$(package)" ] |
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[ab8e2a6] | 66 | mkdir -p $(@D) |
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| 67 | cp "$(truename)" $@ |
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[3aab360] | 68 | set -e; \ |
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[262d88c] | 69 | md5sums="$$(dpkg-query --control-path $(package) md5sums 2>/dev/null)" || \ |
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| 70 | md5sums=/var/lib/dpkg/info/$(package).md5sums; \ |
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[ab8e2a6] | 71 | md5=$$(dpkg-query --showformat='$${Conffiles}\n' --show $(package) | \ |
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| 72 | sed -n 's,^ $(name) \([0-9a-f]*\)$$,\1 $@, p'); \ |
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| 73 | if [ -n "$$md5" ]; then \ |
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| 74 | echo "$$md5" | md5sum -c; \ |
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[262d88c] | 75 | elif [ -e "$$md5sums" ]; then \ |
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[ab8e2a6] | 76 | md5=$$(sed -n 's,^\([0-9a-f]*\) $(patsubst /%,%,$(name))$$,\1 $@, p' \ |
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[262d88c] | 77 | "$$md5sums"); \ |
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[ab8e2a6] | 78 | [ -n "$$md5" ] && echo "$$md5" | md5sum -c; \ |
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| 79 | else \ |
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[5670913] | 80 | echo "config-package-dev: warning: $(package) does not include md5sums!"; \ |
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| 81 | echo "config-package-dev: warning: md5sum for $(name) not verified."; \ |
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[ab8e2a6] | 82 | fi |
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| 83 | |
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| 84 | clean:: |
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[5670913] | 85 | rm -rf $(DEB_CHECK_FILES_TMPDIR) |
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[ab8e2a6] | 86 | |
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| 87 | endif |
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