On 9/28/22 11:25 PM, Xi Ruoyao wrote:
(Sorry for cross posting, but the topic is related to both side) In Bash-5.2 there is a change: "ff. Some fixes to how subshells modify $SHLVL."
The single change affects pipelines for which bash optimizes out a second fork, so it doesn't decrement $SHLVL twice. It comes from this 2020 report: https://lists.gnu.org/archive/html/help-bash/2020-10/msg00012.html (the ssh aspect of this report is a red herring). -- ``The lyf so short, the craft so long to lerne.'' - Chaucer ``Ars longa, vita brevis'' - Hippocrates Chet Ramey, UTech, CWRU chet@xxxxxxxx http://tiswww.cwru.edu/~chet/