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feat(source): enable running gsd directly from source checkout

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Adds bin/gsd-from-source shell wrapper that bun-runs src/loader.ts, so
local commits are live without reinstalling gsd-pi. Patches loader.ts
to respect a pre-set GSD_BIN_PATH (previously it clobbered the env var
with process.argv[1], forcing subagent spawns to point at the .ts
loader path which child_process.spawn can't execute).

Why: working on fixes like #4251 required full `bun install -g --trust
gsd-pi` cycles plus longcat shim re-patching for every iteration.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
ace-pm 2026-04-15 11:01:18 +02:00
parent 1f1c029c74
commit 80ce0f4855
2 changed files with 28 additions and 2 deletions
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24
bin/gsd-from-source Executable file
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@ -0,0 +1,24 @@
#!/usr/bin/env bash
#
# gsd-from-source — run GSD directly from this source checkout via bun.
#
# Purpose: every local commit in this repo (e.g. the #4251 fix) is live
# immediately without reinstalling the bun-packaged gsd-pi. Subagents can
# spawn gsd by pointing GSD_BIN_PATH at this script instead of dist/loader.js.
#
# Contract:
# - Executable shim spawn() / exec() can launch directly.
# - Exports GSD_BIN_PATH before handing off to loader.ts so loader.ts's
# `GSD_BIN_PATH ||= process.argv[1]` branch preserves the shim path
# instead of clobbering it with the .ts loader path (which is not
# directly executable by child_process.spawn).
#
# Requirements: bun on PATH, node_modules populated (`bun install` once).
set -euo pipefail
SCRIPT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)
GSD_SOURCE_ROOT=$(cd -- "$SCRIPT_DIR/.." &>/dev/null && pwd)
export GSD_BIN_PATH="$SCRIPT_DIR/gsd-from-source"
exec bun run "$GSD_SOURCE_ROOT/src/loader.ts" "$@"

6
src/loader.ts
View file

@ -137,8 +137,10 @@ const { Module } = await import('module');
process.env.GSD_VERSION = gsdVersion
// GSD_BIN_PATH — absolute path to this loader (dist/loader.js), used by patched subagent
// to spawn gsd instead of pi when dispatching workflow tasks
process.env.GSD_BIN_PATH = process.argv[1]
// to spawn gsd instead of pi when dispatching workflow tasks.
// Respect a pre-set value so a source-mode wrapper (e.g. bin/gsd-from-source) can
// advertise the executable shim instead of the .ts loader path (which spawn() can't exec).
process.env.GSD_BIN_PATH = process.env.GSD_BIN_PATH || process.argv[1]
// GSD_WORKFLOW_PATH — absolute path to bundled GSD-WORKFLOW.md, used by patched gsd extension
// when dispatching workflow prompts. Prefers dist/resources/ (stable, set at build time)