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Fix ynh_replace_vars again, mystical bash is mystic...

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This commit is contained in:
Alexandre Aubin 2021-02-25 16:36:28 +01:00
parent 0c172cd3f9
commit a43cd72c72
1 changed files with 5 additions and 2 deletions
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7
data/helpers.d/utils
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@ -393,8 +393,11 @@ ynh_replace_vars () {
for one_var in "${uniques_vars[@]}"
do
# Validate that one_var is indeed defined
# Explanation for the weird '+x' syntax: https://stackoverflow.com/a/13864829
test -n "${one_var+x}" || ynh_die --message="Variable \$$one_var wasn't initialized when trying to replace __${one_var^^}__ in $file"
# -v checks if the variable is defined, for example:
# -v FOO tests if $FOO is defined
# -v $FOO tests if ${!FOO} is defined
# More info: https://stackoverflow.com/questions/3601515/how-to-check-if-a-variable-is-set-in-bash/17538964#comment96392525_17538964
[[ -v "${one_var:-}" ]] || ynh_die --message="Variable \$$one_var wasn't initialized when trying to replace __${one_var^^}__ in $file"
# Escape delimiter in match/replace string
match_string="__${one_var^^}__"