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Provide generic way to propagate env vars into startprefix environment #260

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Merged
Neves-P merged 2 commits into from
Jun 24, 2026
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Merged

Provide generic way to propagate env vars into startprefix environment #260

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2b78379
Create a generic way with which to prefix env vars so that they are p…
Jun 24, 2026
6cad6d3
Now even more specific
Jun 24, 2026
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16 changes: 16 additions & 0 deletions run_in_compat_layer_env.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -66,6 +66,22 @@ if [ ! -z ${EESSI_SITE_INSTALL_FORCE} ]; then
fi
fi

# The above propagates some hard-coded environment variables into the prefix environment
# Here, we provide a mechanism that propagates ANY variable named PROPAGATE_INTO_PREFIX_<NAME>
# into the prefix environment as "export <NAME>=<value>"
# Example: PROPAGATE_INTO_PREFIX_FOO=bar => export FOO=bar
while IFS='=' read -r var_name var_value; do
# Only act on variables that start with the marker prefix
if [[ ${var_name} == EESSI_PROPAGATE_INTO_PREFIX_* ]]; then
# Strip the marker prefix to obtain the target name
target_name=${var_name#EESSI_PROPAGATE_INTO_PREFIX_}
# Guard against empty target names
if [[ -n ${target_name} ]]; then
INPUT="export ${target_name}=${var_value}; ${INPUT}"
fi
fi
done < <(env) # feed the current environment to the while‑loop


echo "Running '${INPUT}' in EESSI (${EESSI_CVMFS_REPO}) ${EESSI_VERSION} compatibility layer environment..."
${EESSI_COMPAT_LAYER_DIR}/startprefix <<< "${INPUT}"
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