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# $NetBSD: replace.mk,v 1.8 2007/03/17 17:17:33 rillig Exp $
#
# _flavor-replace:
# Updates a package in-place on the system.
#
# See also:
# replace
#
# XXX: The whole replacement, from deinstalling the old package up
# to installing the new package, should be one transaction. It
# currently isn't, and the check-files target for other packages
# can be confused when a +REQUIRED_BY files suddenly disappears.
#
_flavor-replace: \
replace-tarup \
replace-names \
replace-preserve-required-by \
deinstall \
install-clean \
install \
replace-fixup-required-by \
.PHONY
# _flavor-undo-replace:
# Undoes the actions from a previous _flavor-replace.
#
# See also:
# undo-replace
#
_flavor-undo-replace: \
undo-replace-check \
replace-preserve-required-by \
deinstall \
undo-replace-install \
replace-fixup-required-by \
replace-clean \
.PHONY
_REQUIRED_BY_FILE= ${PKG_DB_TMPDIR}/+REQUIRED_BY
_COOKIE.replace= ${WRKDIR}/.replace_done
_REPLACE_OLDNAME_FILE= ${WRKDIR}/.replace_oldname
_REPLACE_NEWNAME_FILE= ${WRKDIR}/.replace_newname
######################################################################
### undo-replace-check (PRIVATE)
######################################################################
### undo-replace-check verifies that there was a previous "replace"
### action performed that can be undone.
###
undo-replace-check: .PHONY
${_PKG_SILENT}${_PKG_DEBUG} \
${TEST} ! -f ${_COOKIE.replace} || exit 0; \
${ERROR_MSG} "No replacement to undo!"; \
exit 1
######################################################################
### replace-tarup (PRIVATE)
######################################################################
### replace-tarup generates a binary package for the (older) installed
### package using pkg_tarup.
###
replace-tarup: .PHONY
${_PKG_SILENT}${_PKG_DEBUG} \
if ${TEST} ! -x ${_PKG_TARUP_CMD:Q}; then \
${ERROR_MSG} ${_PKG_TARUP_CMD:Q}" was not found."; \
exit 1; \
fi; \
${SETENV} PKG_DBDIR=${_PKG_DBDIR} PKG_SUFX=${PKG_SUFX} \
PKGREPOSITORY=${WRKDIR} \
${_PKG_TARUP_CMD} ${PKGBASE}
######################################################################
### undo-replace-install (PRIVATE)
######################################################################
### undo-replace-install re-installs the old package from the binary
### package saved from replace-tarup.
###
undo-replace-install: .PHONY
@${PHASE_MSG} "Re-adding ${PKGNAME} from saved tar-up package."
${_PKG_SILENT}${_PKG_DEBUG} \
${TEST} -f ${_REPLACE_OLDNAME_FILE} || exit 0; \
oldname=`${CAT} ${_REPLACE_OLDNAME_FILE}`; \
${ECHO} "Running ${PKG_ADD} ${WRKDIR}/$${oldname}${PKG_SUFX}"; \
${PKG_ADD} ${WRKDIR}/$${oldname}${PKG_SUFX}
######################################################################
### replace-names, undo-replace-names (PRIVATE)
######################################################################
### replace-names and undo-replace-names save the correct names of the
### installed and replacement packages into files queried by other
### targets.
###
replace-names: .PHONY
${_PKG_SILENT}${_PKG_DEBUG} \
${_PKG_BEST_EXISTS} ${PKGWILDCARD:Q} > ${_REPLACE_OLDNAME_FILE}
${_PKG_SILENT}${_PKG_DEBUG} \
${ECHO} ${PKGNAME} > ${_REPLACE_NEWNAME_FILE}
${_PKG_SILENT}${_PKG_DEBUG} \
${CP} -f ${_REPLACE_NEWNAME_FILE} ${_COOKIE.replace}
######################################################################
### replace-preserve-required-by (PRIVATE)
######################################################################
### replace-preserve-required-by saves and removes the +REQUIRED_BY
### file from the installed package.
###
replace-preserve-required-by: .PHONY
${_PKG_SILENT}${_PKG_DEBUG} \
${TEST} -f ${_REPLACE_OLDNAME_FILE} || exit 0; \
${STEP_MSG} "Preserving existing +REQUIRED_BY file."; \
oldname=`${CAT} ${_REPLACE_OLDNAME_FILE}`; \
required_by="${_PKG_DBDIR}/$$oldname/+REQUIRED_BY"; \
${TEST} ! -f "$$required_by" || \
${MV} $$required_by ${_REQUIRED_BY_FILE}
######################################################################
### replace-fixup-required-by (PRIVATE)
######################################################################
### replace-fixup-required-by fixes the +CONTENTS files of dependent
### packages to refer to the replacement package.
###
replace-fixup-required-by: .PHONY
@${STEP_MSG} "Fixing @pkgdep entries in dependent packages."
${_PKG_SILENT}${_PKG_DEBUG} \
set -e; \
${TEST} -f ${_REPLACE_OLDNAME_FILE} || exit 0; \
${TEST} -f ${_REPLACE_NEWNAME_FILE} || exit 0; \
${TEST} -f ${_REQUIRED_BY_FILE} || exit 0; \
oldname=`${CAT} ${_REPLACE_OLDNAME_FILE}`; \
newname=`${CAT} ${_REPLACE_NEWNAME_FILE}`; \
${CAT} ${_REQUIRED_BY_FILE} | \
while read pkg; do \
case $$pkg in \
/*) pkgdir="$$pkg" ;; \
*) pkgdir="${_PKG_DBDIR}/$$pkg" ;; \
esac; \
contents="$$pkgdir/+CONTENTS"; \
newcontents="$$contents.$$$$"; \
${SETENV} OLDNAME="$$oldname" NEWNAME="$$newname" \
${AWK} '($$0 ~ "^@pkgdep " ENVIRON["OLDNAME"]) \
{ print "@pkgdep " ENVIRON["NEWNAME"]; next } \
{ print }' \
$$contents > $$newcontents; \
${MV} -f $$newcontents $$contents; \
${PKG_ADMIN} set unsafe_depends=YES $$pkg; \
done
######################################################################
### replace-clean (PRIVATE)
######################################################################
### replace-clean removes the state files for the "replace" target so
### that it may be re-invoked.
###
replace-clean: .PHONY
${_PKG_SILENT}${_PKG_DEBUG} \
${TEST} -f ${_REPLACE_OLDNAME_FILE} || exit 0; \
oldname=`${CAT} ${_REPLACE_OLDNAME_FILE}`; \
${RM} -f ${WRKDIR}/$$oldname${PKG_SUFX}
${_PKG_SILENT}${_PKG_DEBUG} \
${TEST} -f ${_REPLACE_NEWNAME_FILE} || exit 0; \
newname=`${CAT} ${_REPLACE_NEWNAME_FILE}`; \
${RM} -f ${WRKDIR}/$$newname${PKG_SUFX}
${_PKG_SILENT}${_PKG_DEBUG} \
${RM} -f ${_REPLACE_OLDNAME_FILE} ${_REPLACE_NEWNAME_FILE} \
${_COOKIE.replace}
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