divert.mk

   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 ifndef _cdbs_rules_divert
  21 _cdbs_rules_divert = 1
  22
  23 CDBS_BUILD_DEPENDS := $(CDBS_BUILD_DEPENDS), config-package-dev (>= 4.4)
  24
  25 DEB_DIVERT_SCRIPT = /usr/share/config-package-dev/divert.sh.in
  26
  27 DEB_DIVERT_PACKAGES += $(foreach package,$(DEB_ALL_PACKAGES), \
  28     $(if $(DEB_REPLACE_FILES_$(package)),$(package), \
  29     $(if $(DEB_REMOVE_FILES_$(package)),$(package), \
  30     $(if $(DEB_UNREMOVE_FILES_$(package)),$(package), \
  31     $(if $(DEB_UNDIVERT_FILES_$(package)),$(package), \
  32     $(if $(DEB_DIVERT_FILES_$(package)),$(package)))))))
  33
  34 ifeq ($(DEB_DIVERT_EXTENSION),)
  35 DEB_DIVERT_EXTENSION = .divert
  36 endif
  37
  38 DEB_DIVERT_ENCODER = /usr/share/config-package-dev/encode
  39
  40 divert_files_replace_name = $(shell echo $(1) | perl -pe 's/(.*)\Q$(DEB_DIVERT_EXTENSION)\E/$$1$(2)/')
  41
  42 debian-divert/%: package = $(subst debian-divert/,,$@)
  43 debian-divert/%: divert_files = $(DEB_DIVERT_FILES_$(package)) $(DEB_REPLACE_FILES_$(package))
  44 debian-divert/%: divert_remove_files = $(DEB_REMOVE_FILES_$(package))
  45 debian-divert/%: divert_undivert_files = $(DEB_UNDIVERT_FILES_$(package))
  46 debian-divert/%: divert_unremove_files = $(DEB_UNREMOVE_FILES_$(package))
  47 debian-divert/%: divert_files_all = $(strip $(divert_files) $(divert_remove_files) $(divert_undivert_files) $(divert_unremove_files))
  48 debian-divert/%: divert_files_thispkg = $(strip $(divert_files) $(divert_remove_files))
  49 $(patsubst %,debian-divert/%,$(DEB_DIVERT_PACKAGES)) :: debian-divert/%:
  50         ( \
  51             sed 's/#PACKAGE#/$(cdbs_curpkg)/g; s/#DEB_DIVERT_EXTENSION#/$(DEB_DIVERT_EXTENSION)/g' $(DEB_DIVERT_SCRIPT); \
  52             $(if $(divert_files_all), \
  53                 echo 'if [ "$$1" = "configure" ]; then'; \
  54                 $(foreach file,$(divert_undivert_files), \
  55                     $(if $(DEB_UNDIVERT_FILES_VERSION_$(file)),,\
  56                         echo "ERROR!  Missing undivert version for $(file)!">&2; exit 1;) \
  57                     echo -n "    if [ -n \"\$$2\" ] && dpkg --compare-versions \"\$$2\" '<<' "; \
  58                     echo "'$(DEB_UNDIVERT_FILES_VERSION_$(file))'; then"; \
  59                     echo "        undivert_unlink $(call divert_files_replace_name,$(file), )"; \
  60                     echo "    fi";) \
  61                 $(foreach file,$(divert_unremove_files), \
  62                     $(if $(DEB_UNREMOVE_FILES_VERSION_$(file)),,\
  63                         echo "ERROR!  Missing unremove version for $(file)!">&2; exit 1;) \
  64                     echo -n "    if [ -n \"\$$2\" ] && dpkg --compare-versions \"\$$2\" '<<' "; \
  65                     echo "'$(DEB_UNREMOVE_FILES_VERSION_$(file))'; then"; \
  66                     echo "        undivert_unremove $(file)"; \
  67                     echo "    fi";) \
  68                 $(foreach file,$(divert_files), \
  69                     echo "    divert_link $(call divert_files_replace_name,$(file), )";) \
  70                 $(foreach file,$(divert_remove_files), \
  71                     mkdir -p $(DEB_DESTDIR)/usr/share/$(cdbs_curpkg); \
  72                     echo "    divert_remove $(file) /usr/share/$(cdbs_curpkg)/`$(DEB_DIVERT_ENCODER) $(file)`";) \
  73                 echo 'fi'; \
  74             ) \
  75         ) >> $(CURDIR)/debian/$(cdbs_curpkg).postinst.debhelper
  76         ( \
  77             sed 's/#PACKAGE#/$(cdbs_curpkg)/g; s/#DEB_DIVERT_EXTENSION#/$(DEB_DIVERT_EXTENSION)/g' $(DEB_DIVERT_SCRIPT); \
  78             $(if $(divert_files_thispkg), \
  79                 echo 'if [ "$$1" = "remove" ]; then'; \
  80                 $(foreach file,$(divert_files), \
  81                     echo "    undivert_unlink $(call divert_files_replace_name,$(file), )";) \
  82                 $(foreach file,$(divert_remove_files), \
  83                     echo "    undivert_unremove $(file) $(cdbs_curpkg)";) \
  84                 echo 'fi'; \
  85             ) \
  86         ) >> $(CURDIR)/debian/$(cdbs_curpkg).prerm.debhelper
  87         ( \
  88             echo -n "diverted-files="; \
  89             $(foreach file,$(divert_files_thispkg),\
  90                 echo -n "configures-"; \
  91                 ${DEB_DIVERT_ENCODER} "$(call divert_files_replace_name,$(file))"; \
  92                 echo -n ", ";) \
  93             echo \
  94         ) >> $(CURDIR)/debian/$(cdbs_curpkg).substvars
  95
  96 $(patsubst %,binary-fixup/%,$(DEB_DIVERT_PACKAGES)) :: binary-fixup/%: debian-divert/%
  97
  98 endif