tjh.dev
Clone of https://github.com/NixOS/nixpkgs.git (to stress-test knotserver)
1# Exit with backtrace and error message
2#
3# Usage: die "Error message"
4die() {
5 # Let us be a little sloppy with errors, because otherwise the final
6 # invocation of `caller` below will cause the script to exit.
7 set +e
8
9 # Print our error message
10 printf "\nBuilder called die: %b\n" "$*"
11 printf "Backtrace:\n"
12
13 # Print a backtrace.
14 local frame=0
15 while caller $frame; do
16 ((frame++));
17 done
18 printf "\n"
19
20 exit 1
21}