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Cirrus: Load base-image names indirectly

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Rather than hard-coding all four base-image env. var name,
load the values based on the shared variable name suffix.

Thanks to Ed Santiago <santiago@redhat.com> for the suggestion.

Signed-off-by: Chris Evich <cevich@redhat.com>
This commit is contained in:
Chris Evich
2019-08-28 11:58:32 -04:00
parent 704c4c171f
commit 56f11b1016
1 changed files with 9 additions and 5 deletions
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14
contrib/imgprune/entrypoint.sh
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@ -6,13 +6,17 @@ source /usr/local/bin/lib_entrypoint.sh
req_env_var GCPJSON GCPNAME GCPPROJECT IMGNAMES
BASE_IMAGES=""
# When executing under Cirrus-CI, have access to current source
if [[ "$CI" == "true" ]] && [[ -r "$CIRRUS_WORKING_DIR/$SCRIPT_BASE" ]]
unset BASE_IMAGES
# When executing under Cirrus-CI, script have access to current source
LIB="$CIRRUS_WORKING_DIR/$SCRIPT_BASE/lib.sh"
if [[ "$CI" == "true" ]] && [[ -r "$LIB" ]]
then
# Avoid importing anything that might conflict
eval "$(egrep -sh '^export .+BASE_IMAGE=' < $CIRRUS_WORKING_DIR/$SCRIPT_BASE/lib.sh)"
BASE_IMAGES="$UBUNTU_BASE_IMAGE $PRIOR_UBUNTU_BASE_IMAGE $FEDORA_BASE_IMAGE $PRIOR_FEDORA_BASE_IMAGE"
for env in $(sed -ne 's/^[^#]\+_BASE_IMAGE=/img=/p' "$LIB")
do
eval $env
BASE_IMAGES="$BASE_IMAGES $img"
done
else
# metadata labeling may have broken for some reason in the future
echo "Warning: Running outside of Cirrus-CI, very minor-risk of base-image deletion."