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Bug fix: restrict IFS to only the read builtin

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baip 2018-11-11 10:57:14 -05:00 • committed by Peng Bai
parent 62a627c89c
commit 5487310f14
1 changed files with 4 additions and 5 deletions
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9
docker/scripts/setup_env
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@ -80,19 +80,18 @@ EOF
[ -e '/app/.env' ] && cat /app/.env >> /tmp/.env.example [ -e '/app/.env' ] && cat /app/.env >> /tmp/.env.example
quote_if_necessary() { quote_if_necessary() {
if grep -q -E -e '^".*" *$' -e "^'.*' *$" <<<"$1"; then if grep -q -E -e '^".*" *$' -e "^'.*' *$" <<<"$*"; then
# preserve single or double quotes if they are provided # preserve single or double quotes if they are provided
echo "$1"; echo "$*";
else else
# otherwise double quote the string after escaping \, $, ` # otherwise double quote the string after escaping \, $, `
echo "\"$(sed -e 's/\\/\\\\/g' -e 's/\$/\\\$/g' -e 's/`/\\`/g' <<<"$1")\"" echo "\"$(sed -e 's/\\/\\\\/g' -e 's/\$/\\\$/g' -e 's/`/\\`/g' <<<"$*")\""
fi fi
} }
# Default to the environment variable values set in .env.example # Default to the environment variable values set in .env.example
IFS="="
sed -n -r -e 's/^#?([A-Za-z0-9_]+=.*)/\1/p' /tmp/.env.example | \ sed -n -r -e 's/^#?([A-Za-z0-9_]+=.*)/\1/p' /tmp/.env.example | \
while read var value ; do while IFS='=' read var value ; do
huginn_var="HUGINN_$var" huginn_var="HUGINN_$var"
val="${!huginn_var:-${!var:-$value}}" val="${!huginn_var:-${!var:-$value}}"
echo "$var=$(quote_if_necessary $val)" echo "$var=$(quote_if_necessary $val)"