diff options
Diffstat (limited to 'nixos/modules/system/activation/switch-to-configuration.pl')
| -rwxr-xr-x | nixos/modules/system/activation/switch-to-configuration.pl | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/nixos/modules/system/activation/switch-to-configuration.pl b/nixos/modules/system/activation/switch-to-configuration.pl index 9e5b760434a..3f0d976e70b 100755 --- a/nixos/modules/system/activation/switch-to-configuration.pl +++ b/nixos/modules/system/activation/switch-to-configuration.pl @@ -1,5 +1,17 @@ #! @perl@/bin/perl +# Issue #166838 uncovered a situation in which a configuration not suitable +# for the target architecture caused a cryptic error message instead of +# a clean failure. Due to this mismatch, the perl interpreter in the shebang +# line wasn't able to be executed, causing this script to be misinterpreted +# as a shell script. +# +# Let's detect this situation to give a more meaningful error +# message. The following two lines are carefully written to be both valid Perl +# and Bash. +printf "Perl script erroneously interpreted as shell script,\ndoes target platform match nixpkgs.crossSystem platform?\n" && exit 1 + if 0; + use strict; use warnings; use Config::IniFiles; |