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Reduce number of subshells generated

This commit is contained in:
Radon Rosborough 2020-08-22 16:24:15 -06:00
parent 4c0cab2572
commit e5ba8b722e
1 changed files with 5 additions and 0 deletions
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5
backend/src/util.ts
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@ -131,5 +131,10 @@ export function privilegedTeardown({ uid, uuid }: Context) {
} }
export function bash(cmdline: string) { export function bash(cmdline: string) {
if (!cmdline.match(/[;|&(){}=]/)) {
// Reduce number of subshells we generate, if we're just running a
// single command (no shell logic).
cmdline = "exec " + cmdline;
}
return ["bash", "-c", cmdline]; return ["bash", "-c", cmdline];
} }