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Diffstat (limited to 'eclass/alternatives-2.eclass')
| -rw-r--r-- | eclass/alternatives-2.eclass | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/eclass/alternatives-2.eclass b/eclass/alternatives-2.eclass deleted file mode 100644 index 7237f0db3..000000000 --- a/eclass/alternatives-2.eclass +++ /dev/null @@ -1,142 +0,0 @@ -# Copyright 2010-2017 Gentoo Foundation -# Distributed under the terms of the GNU General Public License v2 - -# Based in part upon 'alternatives.exlib' from Exherbo, which is: -# Copyright 2008, 2009 Bo Ørsted Andresen -# Copyright 2008, 2009 Mike Kelly -# Copyright 2009 David Leverton - -# @ECLASS: alternatives-2.eclass -# @MAINTAINER: -# Gentoo Science Project <sci@gentoo.org> -# @BLURB: Manage alternative implementations. -# @DESCRIPTION: -# Autogenerate eselect modules for alternatives and ensure that valid provider -# is set. -# -# Remove eselect modules when last provider is unmerged. -# -# If your package provides pkg_postinst or pkg_prerm phases, you need to be -# sure you explicitly run alternatives-2_pkg_{postinst,prerm} where appropriate. - -case "${EAPI:-0}" in - 0|1|2|3|4) - die "Unsupported EAPI=${EAPI:-0} (too old) for ${ECLASS}" - ;; - 5|6|7) - ;; - *) - die "Unsupported EAPI=${EAPI} (unknown) for ${ECLASS}" - ;; -esac - -DEPEND=">=app-admin/eselect-1.4.13-r101" -RDEPEND="${DEPEND} - !app-eselect/eselect-blas - !app-eselect/eselect-cblas - !app-eselect/eselect-lapack" - -# @ECLASS-VARIABLE: ALTERNATIVES_DIR -# @INTERNAL -# @DESCRIPTION: -# Alternatives directory with symlinks managed by eselect. -ALTERNATIVES_DIR="/etc/env.d/alternatives" - -# @FUNCTION: alternatives_for -# @USAGE: <alternative> <provider> <importance> <source> <target> [<source> <target> [...]] -# @DESCRIPTION: -# Set up alternative provider. -# -# EXAMPLE: -# @CODE -# alternatives_for sh bash 0 \ -# /usr/bin/sh bash -# @CODE -alternatives_for() { - debug-print-function ${FUNCNAME} "${@}" - - dodir /etc/env.d/alternatives - - ALTERNATIVESDIR_ROOT="${D%/}" \ - eselect alternatives add ${@} || die - - ALTERNATIVES_CREATED+=( ${1} ) -} - -# @FUNCTION: cleanup_old_alternatives_module -# @USAGE: <alternative> -# @DESCRIPTION: -# Remove old alternatives module. -cleanup_old_alternatives_module() { - debug-print-function ${FUNCNAME} "${@}" - - local alt=${1} old_module="${EROOT%/}/usr/share/eselect/modules/${alt}.eselect" - - if [[ -f "${old_module}" && $(grep 'ALTERNATIVE=' "${old_module}" | cut -d '=' -f 2) == "${alt}" ]]; then - local version="$(grep 'VERSION=' "${old_module}" | grep -o '[0-9.]\+')" - if [[ "${version}" == "0.1" || "${version}" == "20080924" ]]; then - einfo "rm ${old_module}" - rm "${old_module}" || eerror "rm ${old_module} failed" - fi - fi -} - -# @FUNCTION: alternatives-2_pkg_postinst -# @DESCRIPTION: -# Create eselect modules for all provided alternatives if necessary and ensure -# that valid provider is set. -# -# Also remove old eselect modules for provided alternatives. -# -# Provided alternatives are set up using alternatives_for(). -alternatives-2_pkg_postinst() { - debug-print-function ${FUNCNAME} "${@}" - - local alt - - for alt in ${ALTERNATIVES_CREATED[@]}; do - if ! eselect ${alt} show > /dev/null; then - einfo "Creating Alternative for ${alt}" - eselect alternatives create ${alt} - fi - - # Set alternative provider if there is no valid provider selected - eselect alternatives update "${alt}" - - cleanup_old_alternatives_module ${alt} - done -} - -# @FUNCTION: alternatives-2_pkg_prerm -# @DESCRIPTION: -# Ensure a valid provider is set in case the package is unmerged and -# remove autogenerated eselect modules for alternative when last -# provider is unmerged. -# -# Provided alternatives are set up using alternatives_for(). -alternatives-2_pkg_prerm() { - debug-print-function ${FUNCNAME} "${@}" - - local alt ret - - # If we are uninstalling, update alternatives to valid provider - [[ -n ${REPLACED_BY_VERSION} ]] || ignore="--ignore" - for alt in ${ALTERNATIVES_CREATED[@]}; do - eselect alternatives update "${alt}" - ret=$? - - case ${ret} in - 0) : ;; - 2) - # This was last provider for the alternative, remove eselect module - einfo "Cleaning up unused alternatives module for ${alt}" - eselect alternatives delete "${alt}" || eerror "Failed to remove ${alt}" - ;; - *) - eerror "eselect alternatives update returned \"${ret}\"" - ;; - esac - done -} - -EXPORT_FUNCTIONS pkg_postinst pkg_prerm |