zsh errexit causes failed grep to exit #561

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2025-12-29T01:27:19+01:00

adam commented

2025-12-29 01:27:19 +01:00

Originally created by @sevmonster on GitHub (Nov 28, 2021).

I noticed that my cert renewals were coming back with no output. I've managed to track it down to line 146. It appears that since shwordsplit isn't set in my environment, the grep fails, and the script exits. Turning off errexit for this line allows the script to continue. I do not experience this issue with Bash.

Originally created by @sevmonster on GitHub (Nov 28, 2021). I noticed that my cert renewals were coming back with no output. I've managed to track it down to [line 146](https://github.com/dehydrated-io/dehydrated/blob/784fb806c891979262eef9c8f38e3c10b825aefd/dehydrated#L146). It appears that since `shwordsplit` isn't set in my environment, the grep fails, and the script exits. Turning off `errexit` for this line allows the script to continue. I do not experience this issue with Bash.

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Reference: starred/dehydrated#561