RedditEnjoyer@lemmy.world to Linux@lemmy.ml · 8 months agoA Linux user's nightmare: the machine was wiped clean with one clickwww.mikrobitti.fiexternal-linkmessage-square50fedilinkarrow-up1118arrow-down114file-textcross-posted to: technology@lemmy.world
arrow-up1104arrow-down1external-linkA Linux user's nightmare: the machine was wiped clean with one clickwww.mikrobitti.fiRedditEnjoyer@lemmy.world to Linux@lemmy.ml · 8 months agomessage-square50fedilinkfile-textcross-posted to: technology@lemmy.world
minus-squareUnityDevice@startrek.websitelinkfedilinkarrow-up27·8 months agoset -euo pipefail at the top of every script makes stuff a lot safer. Explanation here.
minus-squaredeadbeef79000@lemmy.nzlinkfedilinkarrow-up8·8 months agoYep! I always do this too. TL;DR: e aborts the whole script on a non-zero error. u aborts when using an undefined variable. -o pipefail aborts a piped compound command when one of the piped commands fail. Any other way lies madness. Or erasing the whole filesystem apparently!
set -euo pipefailat the top of every script makes stuff a lot safer. Explanation here.Yep! I always do this too.
TL;DR:
eaborts the whole script on a non-zero error.uaborts when using an undefined variable.-o pipefailaborts a piped compound command when one of the piped commands fail.Any other way lies madness. Or erasing the whole filesystem apparently!