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feat(users/Profpatsch): add die_* helpers for semantic exit errors

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There is this semantic exit code schema championed by execline and
skaware tooling, and we refined and documented it a bit in lorri
d1d673d420/src/ops/mod.rs (L24-L35)
in the past.

This just transcribes the error messages into simple helper functions.

Applies the functions to the places where we would panic or die
`sys::exit()` instead.

Change-Id: I15ca05cd6f99a25a3378518be94110eab416354e
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2475
Tested-by: BuildkiteCI
Reviewed-by: Profpatsch <mail@profpatsch.de>
This commit is contained in:
Profpatsch 2021-01-31 16:38:21 +01:00
parent 83634341aa
commit 492b79ec7a
5 changed files with 80 additions and 28 deletions
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9
users/Profpatsch/netencode/default.nix
View file

@ -30,7 +30,10 @@ let
netencode-rs-common = tests: imports.writers.rustSimpleLib {
name = "netencode";
dependencies = [ nom ];
dependencies = [
nom
depot.users.Profpatsch.execline.exec-helpers
];
buildTests = tests;
release = false;
verbose = true;
@ -101,13 +104,13 @@ let
use netencode::dec::{Record, ScalarAsBytes, Decoder, DecodeError};
fn main() {
let t = netencode::t_from_stdin_or_panic("record-splice-env");
let t = netencode::t_from_stdin_or_die_user_error("record-splice-env");
let (_, prog) = exec_helpers::args_for_exec("record-splice-env", 0);
match Record::<ScalarAsBytes>::dec(t) {
Ok(map) => {
exec_helpers::exec_into_args("record-splice-env", prog, map);
},
Err(DecodeError(err)) => panic!("{}", err),
Err(DecodeError(err)) => exec_helpers::die_user_error("record-splice-env", err),
}
}
'';