Catcrafts/Crafter.Debug
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fix(tooling): build first, then start the app, then list it

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The notes had agents start `crafter-build <flag> -r` in the background
and run `crafter-debug ls --wait 60s` straight after. That raced the
build: the first agent to follow them ran the plain build's stub, which
said "no debug build yet" and exited, since the client `ls --wait` needs
is one of the things the debug build compiles, and it polled by hand
until the build was done.

The race came from the order, so the order changes: build with the flag
in the foreground, which ends once the app and the client are built,
then start the app with -r in the background, then `ls --wait`, which
now only waits for what it is for, the app registering. A launcher that
polls for the build instead was tried and dropped: a shell loop that
reruns itself each second, and waits out its whole --wait when no build
is coming at all.

The consumer notes, the client's guide and the README say so, and the
stub and the not-yet-built launcher name the step that was skipped.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Jorijn van der Graaf 2026-11-01 18:24:35 +01:00
commit 8e7f8c5f3b
Signed by: jorijnvdgraaf
GPG key ID: 2937E59CDCC1BCFB
4 changed files with 14 additions and 10 deletions
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4
tooling/interfaces/Crafter.Debug.Build.cppm
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@ -87,7 +87,7 @@ namespace Crafter::Debug {
"# project with {0}: runs the crafter-debug client that build compiled.\n"
"client={1}\n"
"if [ ! -x \"$client\" ]; then\n"
" echo \"crafter-debug: the client is not built yet; build with: crafter-build {0}\" >&2\n"
" echo \"crafter-debug: the client is not built yet; let crafter-build {0} finish first, which builds it with the app\" >&2\n"
" exit 2\n"
"fi\n",
flag, ShellQuote(client.string()));
@ -113,7 +113,7 @@ namespace Crafter::Debug {
return std::format(
"#!/bin/sh\n"
"# Written by Crafter.Debug (Debug::Use): this project has no debug build yet.\n"
"echo \"crafter-debug: no debug build yet; build with: crafter-build {}\" >&2\n"
"echo \"crafter-debug: no debug build yet; build with: crafter-build {0}, then start the app in the background with: crafter-build {0} -r\" >&2\n"
"exit 2\n",
flag);
}