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Diffstat (limited to 'eclass/bash-completion-r1.eclass')
-rw-r--r-- | eclass/bash-completion-r1.eclass | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/eclass/bash-completion-r1.eclass b/eclass/bash-completion-r1.eclass new file mode 100644 index 000000000000..eb2dfce4c7fe --- /dev/null +++ b/eclass/bash-completion-r1.eclass @@ -0,0 +1,135 @@ +# Copyright 1999-2014 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 + +# @ECLASS: bash-completion-r1.eclass +# @MAINTAINER: +# mgorny@gentoo.org +# @BLURB: A few quick functions to install bash-completion files +# @EXAMPLE: +# +# @CODE +# EAPI=5 +# +# src_configure() { +# econf \ +# --with-bash-completion-dir="$(get_bashcompdir)" +# } +# +# src_install() { +# default +# +# newbashcomp contrib/${PN}.bash-completion ${PN} +# } +# @CODE + +inherit toolchain-funcs + +case ${EAPI:-0} in + 0|1|2|3|4|5|6) ;; + *) die "EAPI ${EAPI} unsupported (yet)." +esac + +# @FUNCTION: _bash-completion-r1_get_bashdir +# @INTERNAL +# @DESCRIPTION: +# First argument is name of the string in bash-completion.pc +# Second argument is the fallback directory if the string is not found +# @EXAMPLE: +# _bash-completion-r1_get_bashdir completionsdir /usr/share/bash-completion +_bash-completion-r1_get_bashdir() { + debug-print-function ${FUNCNAME} "${@}" + + if $(tc-getPKG_CONFIG) --exists bash-completion &>/dev/null; then + local path + path=$($(tc-getPKG_CONFIG) --variable="${1}" bash-completion) || die + # we need to return unprefixed, so strip from what pkg-config returns + # to us, bug #477692 + echo "${path#${EPREFIX}}" + else + echo "${2}" + fi +} + +# @FUNCTION: _bash-completion-r1_get_bashcompdir +# @INTERNAL +# @DESCRIPTION: +# Get unprefixed bash-completion completions directory. +_bash-completion-r1_get_bashcompdir() { + debug-print-function ${FUNCNAME} "${@}" + + _bash-completion-r1_get_bashdir completionsdir /usr/share/bash-completion/completions +} + +# @FUNCTION: _bash-completion-r1_get_helpersdir +# @INTERNAL +# @DESCRIPTION: +# Get unprefixed bash-completion helpers directory. +_bash-completion-r1_get_bashhelpersdir() { + debug-print-function ${FUNCNAME} "${@}" + + _bash-completion-r1_get_bashdir helpersdir /usr/share/bash-completion/helpers +} + +# @FUNCTION: get_bashcompdir +# @DESCRIPTION: +# Get the bash-completion completions directory. +get_bashcompdir() { + debug-print-function ${FUNCNAME} "${@}" + + echo "${EPREFIX}$(_bash-completion-r1_get_bashcompdir)" +} + +# @FUNCTION: get_bashhelpersdir +# @INTERNAL +# @DESCRIPTION: +# Get the bash-completion helpers directory. +get_bashhelpersdir() { + debug-print-function ${FUNCNAME} "${@}" + + echo "${EPREFIX}$(_bash-completion-r1_get_bashhelpersdir)" +} + +# @FUNCTION: dobashcomp +# @USAGE: file [...] +# @DESCRIPTION: +# Install bash-completion files passed as args. Has EAPI-dependant failure +# behavior (like doins). +dobashcomp() { + debug-print-function ${FUNCNAME} "${@}" + + ( + insinto "$(_bash-completion-r1_get_bashcompdir)" + doins "${@}" + ) +} + +# @FUNCTION: newbashcomp +# @USAGE: file newname +# @DESCRIPTION: +# Install bash-completion file under a new name. Has EAPI-dependant failure +# behavior (like newins). +newbashcomp() { + debug-print-function ${FUNCNAME} "${@}" + + ( + insinto "$(_bash-completion-r1_get_bashcompdir)" + newins "${@}" + ) +} + +# @FUNCTION: bashcomp_alias +# @USAGE: <basename> <alias>... +# @DESCRIPTION: +# Alias <basename> completion to one or more commands (<alias>es). +bashcomp_alias() { + debug-print-function ${FUNCNAME} "${@}" + + [[ ${#} -lt 2 ]] && die "Usage: ${FUNCNAME} <basename> <alias>..." + local base=${1} f + shift + + for f; do + dosym "${base}" "$(_bash-completion-r1_get_bashcompdir)/${f}" \ + || return + done +} |