1 | # -*- mode: makefile; coding: utf-8 -*- |
---|
2 | # Copyright © 2007-2008 Anders Kaseorg <andersk@mit.edu> and |
---|
3 | # Tim Abbott <tabbott@mit.edu> |
---|
4 | # |
---|
5 | # This program is free software; you can redistribute it and/or |
---|
6 | # modify it under the terms of the GNU General Public License as |
---|
7 | # published by the Free Software Foundation; either version 2, or (at |
---|
8 | # your option) any later version. |
---|
9 | # |
---|
10 | # This program is distributed in the hope that it will be useful, but |
---|
11 | # WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
---|
13 | # General Public License for more details. |
---|
14 | # |
---|
15 | # You should have received a copy of the GNU General Public License |
---|
16 | # along with this program; if not, write to the Free Software |
---|
17 | # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
---|
18 | # 02111-1307 USA. |
---|
19 | |
---|
20 | # Don't include divert.mk in your rules files directly; instead use |
---|
21 | # config-package.mk. |
---|
22 | |
---|
23 | # divert.mk handles the low-level diversion logic. It includes |
---|
24 | # divert.sh.in in the postinst and prerm scripts, and adds |
---|
25 | |
---|
26 | ifndef _cdbs_rules_divert |
---|
27 | _cdbs_rules_divert = 1 |
---|
28 | |
---|
29 | include /usr/share/cdbs/1/rules/debhelper.mk |
---|
30 | |
---|
31 | CDBS_BUILD_DEPENDS := $(CDBS_BUILD_DEPENDS), config-package-dev (>= 4.5~) |
---|
32 | |
---|
33 | # divert.sh.in is included in the postinst/prerm scripts of packages |
---|
34 | # installing diversions using config-package-dev. |
---|
35 | DEB_DIVERT_SCRIPT = /usr/share/config-package-dev/divert.sh.in |
---|
36 | # script used to encode the path of a file uniquely in a valid virtual |
---|
37 | # package name. |
---|
38 | DEB_DIVERT_ENCODER = /usr/share/config-package-dev/encode |
---|
39 | |
---|
40 | DEB_DIVERT_PACKAGES += $(foreach package,$(DEB_ALL_PACKAGES), \ |
---|
41 | $(if $(DEB_TRANSFORM_FILES_$(package)),$(package), \ |
---|
42 | $(if $(DEB_REMOVE_FILES_$(package)),$(package), \ |
---|
43 | $(if $(DEB_UNREMOVE_FILES_$(package)),$(package), \ |
---|
44 | $(if $(DEB_UNDIVERT_FILES_$(package)),$(package), \ |
---|
45 | $(if $(DEB_DIVERT_FILES_$(package)),$(package))))))) |
---|
46 | |
---|
47 | ifeq ($(DEB_DIVERT_EXTENSION),) |
---|
48 | DEB_DIVERT_EXTENSION = .divert |
---|
49 | endif |
---|
50 | |
---|
51 | # Replace only the last instance of DEB_DIVERT_EXTENSION in the |
---|
52 | # filename, to make it possible to divert /path/foo.divert to |
---|
53 | # foo.divert.divert-orig |
---|
54 | divert_files_replace_name = $(shell echo $(1) | perl -pe 's/(.*)\Q$(DEB_DIVERT_EXTENSION)\E/$$1$(2)/') |
---|
55 | |
---|
56 | debian-divert/%: package = $(subst debian-divert/,,$@) |
---|
57 | debian-divert/%: divert_files = $(DEB_DIVERT_FILES_$(package)) $(DEB_TRANSFORM_FILES_$(package)) |
---|
58 | debian-divert/%: divert_remove_files = $(DEB_REMOVE_FILES_$(package)) |
---|
59 | debian-divert/%: divert_undivert_files = $(DEB_UNDIVERT_FILES_$(package)) |
---|
60 | debian-divert/%: divert_unremove_files = $(DEB_UNREMOVE_FILES_$(package)) |
---|
61 | debian-divert/%: divert_files_all = $(strip $(divert_files) $(divert_remove_files) $(divert_undivert_files) $(divert_unremove_files)) |
---|
62 | debian-divert/%: divert_files_thispkg = $(strip $(divert_files) $(divert_remove_files)) |
---|
63 | $(patsubst %,debian-divert/%,$(DEB_DIVERT_PACKAGES)) :: debian-divert/%: |
---|
64 | # Writing shell scripts in makefiles sucks. Remember to $$ shell |
---|
65 | # variables and include \ at the end of each line. |
---|
66 | # Add code to postinst to add/remove diversions as appropriate |
---|
67 | ( \ |
---|
68 | sed 's/#PACKAGE#/$(cdbs_curpkg)/g; s/#DEB_DIVERT_EXTENSION#/$(DEB_DIVERT_EXTENSION)/g' $(DEB_DIVERT_SCRIPT); \ |
---|
69 | $(if $(divert_files_all), \ |
---|
70 | echo 'if [ "$$1" = "configure" ]; then'; \ |
---|
71 | $(foreach file,$(divert_undivert_files), \ |
---|
72 | $(if $(DEB_UNDIVERT_VERSION_$(file)),,\ |
---|
73 | echo "ERROR! Missing undivert version for $(file)!">&2; exit 1;) \ |
---|
74 | echo -n " if [ -n \"\$$2\" ] && dpkg --compare-versions \"\$$2\" '<<' "; \ |
---|
75 | echo "'$(DEB_UNDIVERT_VERSION_$(file))'; then"; \ |
---|
76 | echo " undivert_unlink $(call divert_files_replace_name,$(file), )"; \ |
---|
77 | echo " fi";) \ |
---|
78 | $(foreach file,$(divert_unremove_files), \ |
---|
79 | $(if $(DEB_UNREMOVE_VERSION_$(file)),,\ |
---|
80 | echo "ERROR! Missing unremove version for $(file)!">&2; exit 1;) \ |
---|
81 | echo -n " if [ -n \"\$$2\" ] && dpkg --compare-versions \"\$$2\" '<<' "; \ |
---|
82 | echo "'$(DEB_UNREMOVE_VERSION_$(file))'; then"; \ |
---|
83 | echo " undivert_unremove $(file)"; \ |
---|
84 | echo " fi";) \ |
---|
85 | $(foreach file,$(divert_files), \ |
---|
86 | echo " divert_link $(call divert_files_replace_name,$(file), )";) \ |
---|
87 | $(foreach file,$(divert_remove_files), \ |
---|
88 | mkdir -p debian/$(cdbs_curpkg)/usr/share/$(cdbs_curpkg); \ |
---|
89 | echo " divert_remove $(file) /usr/share/$(cdbs_curpkg)/`$(DEB_DIVERT_ENCODER) $(file)`";) \ |
---|
90 | echo 'fi'; \ |
---|
91 | ) \ |
---|
92 | ) >> $(CURDIR)/debian/$(cdbs_curpkg).postinst.debhelper |
---|
93 | # Add code to prerm script to undo diversions when package is removed. |
---|
94 | ( \ |
---|
95 | sed 's/#PACKAGE#/$(cdbs_curpkg)/g; s/#DEB_DIVERT_EXTENSION#/$(DEB_DIVERT_EXTENSION)/g' $(DEB_DIVERT_SCRIPT); \ |
---|
96 | $(if $(divert_files_thispkg), \ |
---|
97 | echo 'if [ "$$1" = "remove" ]; then'; \ |
---|
98 | $(foreach file,$(divert_files), \ |
---|
99 | echo " undivert_unlink $(call divert_files_replace_name,$(file), )";) \ |
---|
100 | $(foreach file,$(divert_remove_files), \ |
---|
101 | echo " undivert_unremove $(file) $(cdbs_curpkg)";) \ |
---|
102 | echo 'fi'; \ |
---|
103 | ) \ |
---|
104 | ) >> $(CURDIR)/debian/$(cdbs_curpkg).prerm.debhelper |
---|
105 | # Add an encoding of the names of the diverted files to the Provides: |
---|
106 | # and Conflicts: lists. This prevents two packages diverting the same |
---|
107 | # file from being installed simultaneously (it cannot work, and this |
---|
108 | # produces a much less ugly error). Requires in debian/control: |
---|
109 | # Provides: $(diverted-files) |
---|
110 | # Conflicts: $(diverted-files) |
---|
111 | ( \ |
---|
112 | echo -n "diverted-files="; \ |
---|
113 | $(foreach file,$(divert_files_thispkg),\ |
---|
114 | echo -n "diverts-"; \ |
---|
115 | ${DEB_DIVERT_ENCODER} "$(call divert_files_replace_name,$(file))"; \ |
---|
116 | echo -n ", ";) \ |
---|
117 | echo \ |
---|
118 | ) >> $(CURDIR)/debian/$(cdbs_curpkg).substvars |
---|
119 | |
---|
120 | $(patsubst %,binary-post-install/%,$(DEB_DIVERT_PACKAGES)) :: binary-post-install/%: debian-divert/% |
---|
121 | |
---|
122 | endif |
---|