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set: Only warn about uvar shadowing if the set succeeded

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Otherwise there's really no point in doing so - we'd tell you that a
universal $status is shadowing a global, but we haven't actually
created one!
This commit is contained in:
Fabian Boehm 2022-06-13 20:52:31 +02:00
parent b004635bc9
commit 7810f4e8a1
2 changed files with 11 additions and 1 deletions
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4
src/builtins/set.cpp
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@ -765,11 +765,13 @@ static int builtin_set_set(const wchar_t *cmd, set_cmd_opts_t &opts, int argc, c
new_values = new_var_values_by_index(*split, argc, argv);
}
warn_if_uvar_shadows_global(cmd, opts, split->varname, streams, parser);
// Set the value back in the variable stack and fire any events.
int retval = env_set_reporting_errors(cmd, split->varname, scope, std::move(new_values),
streams, parser);
if (retval == ENV_OK) {
warn_if_uvar_shadows_global(cmd, opts, split->varname, streams, parser);
}
return retval;
}

8
tests/checks/set.fish
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@ -905,3 +905,11 @@ echo $status
set --query
echo $status
# CHECK: 255
set -U status
# CHECKERR: set: Tried to modify the special variable 'status' with the wrong scope
set -S status
# CHECK: $status: set in global scope, unexported, with 1 elements
# CHECK: Variable is read-only
# CHECK: $status[1]: |2|