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| -rw-r--r-- | eclass/prefix.eclass | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/eclass/prefix.eclass b/eclass/prefix.eclass index 1f3c4b0c4a5b..c0675cd37032 100644 --- a/eclass/prefix.eclass +++ b/eclass/prefix.eclass @@ -48,5 +48,83 @@ eprefixify() { return 0 } +# @FUNCTION: hprefixify +# @USAGE: [ -w <line match> ] [-e <extended regex> ] <list of files> +# @DESCRIPTION: +# Tries a set of heuristics to prefixify the given files. Dies if no +# arguments are given, a file does not exist, or changing a file failed. +# +# Additional extended regular expression can be passed by -e or +# environment variable PREFIX_EXTRA_REGEX. The default heuristics can +# be constrained to lines that match a sed expression passed by -w or +# environment variable PREFIX_LINE_MATCH. +# @EXAMPLE: +# Only prefixify the 30th line, +# hprefixify -w 30 configure +# Only prefixify lines that contain "PATH", +# hprefixify -w "/PATH/" configure +# Also delete all the /opt/gnu search paths, +# hprefixify -e "/\/opt\/gnu/d" configure +hprefixify() { + use prefix || return 0 + + local PREFIX_EXTRA_REGEX PREFIX_LINE_MATCH xl=() x + while [[ $# -gt 0 ]]; do + case $1 in + -e) + PREFIX_EXTRA_REGEX="$2" + shift + ;; + -w) + PREFIX_LINE_MATCH="$2" + shift + ;; + *) + xl+=( "$1" ) + ;; + esac + shift + done + + [[ ${#xl[@]} -lt 1 ]] && die "at least one file operand is required" + einfo "Adjusting to prefix ${EPREFIX:-/}" + for x in "${xl[@]}" ; do + if [[ -e ${x} ]] ; then + ebegin " ${x##*/}" + sed -r \ + -e "${PREFIX_LINE_MATCH}s,([^[:alnum:]}\)\.])/(usr|lib(|[onx]?32|n?64)|etc|bin|sbin|var|opt),\1${EPREFIX}/\2,g" \ + -e "${PREFIX_EXTRA_REGEX}" \ + -i "${x}" + eend $? || die "failed to prefixify ${x}" + else + die "${x} does not exist" + fi + done +} +# @FUNCTION: prefixify_ro +# @USAGE: prefixify_ro <file>. +# @DESCRIPTION: +# prefixify a read-only file. +# copies the files to ${T}, prefixies it, echos the new file. +# @EXAMPLE: +# doexe "$(prefixify_ro "${FILESDIR}"/fix_libtool_files.sh)" +# epatch "$(prefixify_ro "${FILESDIR}"/${PN}-4.0.2-path.patch)" +prefixify_ro() { + if [[ -e $1 ]] ; then + local f=${1##*/} + cp "$1" "${T}" || die "failed to copy file" + local x="${T}"/${f} + # redirect to stderr because stdout is used to + # return the prefixified file. + if grep -qs @GENTOO_PORTAGE_EPREFIX@ "${x}" ; then + eprefixify "${T}"/${f} 1>&2 + else + hprefixify "${T}"/${f} 1>&2 + fi + echo "${x}" + else + die "$1 does not exist" + fi +} # vim: tw=72: |