diff options
-rw-r--r-- | eclass/python-utils-r1.eclass | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/eclass/python-utils-r1.eclass b/eclass/python-utils-r1.eclass index 7488802332f6..7022d3b7d88a 100644 --- a/eclass/python-utils-r1.eclass +++ b/eclass/python-utils-r1.eclass @@ -549,6 +549,46 @@ python_get_scriptdir() { echo "${PYTHON_SCRIPTDIR}" } +# @FUNCTION: _python_ln_rel +# @USAGE: <from> <to> +# @INTERNAL +# @DESCRIPTION: +# Create a relative symlink. +_python_ln_rel() { + debug-print-function ${FUNCNAME} "${@}" + + local target=${1} + local symname=${2} + + local tgpath=${target%/*}/ + local sympath=${symname%/*}/ + local rel_target= + + while [[ ${sympath} ]]; do + local tgseg= symseg= + + while [[ ! ${tgseg} && ${tgpath} ]]; do + tgseg=${tgpath%%/*} + tgpath=${tgpath#${tgseg}/} + done + + while [[ ! ${symseg} && ${sympath} ]]; do + symseg=${sympath%%/*} + sympath=${sympath#${symseg}/} + done + + if [[ ${tgseg} != ${symseg} ]]; then + rel_target=../${rel_target}${tgseg:+${tgseg}/} + fi + done + rel_target+=${tgpath}${target##*/} + + debug-print "${FUNCNAME}: ${symname} -> ${target}" + debug-print "${FUNCNAME}: rel_target = ${rel_target}" + + ln -fs "${rel_target}" "${symname}" +} + # @FUNCTION: python_optimize # @USAGE: [<directory>...] # @DESCRIPTION: |