diff options
Diffstat (limited to 'pkgs/build-support/setup-hooks/die.sh')
-rw-r--r-- | pkgs/build-support/setup-hooks/die.sh | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/pkgs/build-support/setup-hooks/die.sh b/pkgs/build-support/setup-hooks/die.sh new file mode 100644 index 000000000000..0db41e030f4c --- /dev/null +++ b/pkgs/build-support/setup-hooks/die.sh @@ -0,0 +1,21 @@ +# Exit with backtrace and error message +# +# Usage: die "Error message" +die() { + # Let us be a little sloppy with errors, because otherwise the final + # invocation of `caller` below will cause the script to exit. + set +e + + # Print our error message + printf "\nBuilder called die: %b\n" "$*" + printf "Backtrace:\n" + + # Print a backtrace. + local frame=0 + while caller $frame; do + ((frame++)); + done + printf "\n" + + exit 1 +} |