diff options
Diffstat (limited to 'bin/ebuild.sh')
| -rwxr-xr-x | bin/ebuild.sh | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/bin/ebuild.sh b/bin/ebuild.sh index c79d4c3d0..e652cb55b 100755 --- a/bin/ebuild.sh +++ b/bin/ebuild.sh @@ -1639,6 +1639,34 @@ _ebuild_phase_funcs() { esac } +# Set given variable unless this variable has been already set (e.g. during emerge +# invocation) to a value different than value set in make.conf. +set_unless_changed() { + if [[ $# -ne 2 ]]; then + die "${FUNCNAME}() requires 2 arguments: VARIABLE VALUE" + fi + + local variable="$1" value="$2" + + if eval "[[ \${${variable}} == \$(env -u ${variable} portageq envvar ${variable}) ]]"; then + eval "${variable}=\"${value}\"" + fi +} + +# Unset given variable unless this variable has been set (e.g. during emerge +# invocation) to a value different than value set in make.conf. +unset_unless_changed() { + if [[ $# -ne 1 ]]; then + die "${FUNCNAME}() requires 1 argument: VARIABLE" + fi + + local variable="$1" + + if eval "[[ \${${variable}} == \$(env -u ${variable} portageq envvar ${variable}) ]]"; then + unset ${variable} + fi +} + PORTAGE_BASHRCS_SOURCED=0 # @FUNCTION: source_all_bashrcs |