mirror of https://github.com/garrytan/gstack.git
86 lines
3.6 KiB
Bash
Executable File
86 lines
3.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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# gstack-paths — output portable state-root paths for skill bash blocks
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# Usage: eval "$(gstack-paths)" → sets GSTACK_STATE_ROOT, GSTACK_ARTIFACTS_ROOT, PLAN_ROOT, TMP_ROOT
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# Or: gstack-paths → prints GSTACK_STATE_ROOT=... etc.
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#
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# Resolves three roots with explicit fallback chains so skills work the same
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# whether installed as a Claude Code plugin (CLAUDE_PLUGIN_DATA / CLAUDE_PLANS_DIR
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# set), a global ~/.claude/skills/gstack/ install, or a local checkout under
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# CI / container env where HOME may be unset.
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#
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# Chains:
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# GSTACK_STATE_ROOT: GSTACK_HOME -> CLAUDE_PLUGIN_DATA (only when CLAUDE_PLUGIN_ROOT=*gstack*) -> $HOME/.gstack -> .gstack
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# GSTACK_ARTIFACTS_ROOT: config artifacts_root=repo -> <git-root>/.gstack, otherwise GSTACK_STATE_ROOT
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# PLAN_ROOT: GSTACK_PLAN_DIR -> CLAUDE_PLANS_DIR -> $HOME/.claude/plans -> .claude/plans
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# TMP_ROOT: TMPDIR -> TMP -> .gstack/tmp (and mkdir -p, best-effort)
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#
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# Security: output values are not sanitized — callers may receive paths with
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# shell-special characters if env vars contain them. Skills should always quote
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# expansions ("$GSTACK_STATE_ROOT", not $GSTACK_STATE_ROOT).
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set -u
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# State root: where gstack writes projects/, sessions/, analytics/.
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if [ -n "${GSTACK_HOME:-}" ]; then
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_state_root="$GSTACK_HOME"
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elif [ -n "${CLAUDE_PLUGIN_DATA:-}" ] && echo "${CLAUDE_PLUGIN_ROOT:-}" | grep -qi "gstack"; then
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# Guard: only trust CLAUDE_PLUGIN_DATA when CLAUDE_PLUGIN_ROOT confirms we are
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# running as the gstack plugin. Without this, a CLAUDE_PLUGIN_DATA from another
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# plugin (e.g. codex) that leaked into the session env via CLAUDE_ENV_FILE would
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# be picked up, writing all gstack state into the wrong directory.
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_state_root="$CLAUDE_PLUGIN_DATA"
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elif [ -n "${HOME:-}" ]; then
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_state_root="$HOME/.gstack"
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else
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_state_root=".gstack"
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fi
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# Artifact root: where skills write user-facing project artifacts under
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# projects/$SLUG (design docs, review reports, test plans, checkpoints).
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# Defaults to the state root for backward compatibility. If the user sets
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# `artifacts_root: repo`, write those artifacts to the current repository's
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# `.gstack/` directory so they can be reviewed/committed with the project.
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_artifacts_root="$_state_root"
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_config_file="$_state_root/config.yaml"
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_artifacts_mode=""
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if [ -f "$_config_file" ]; then
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_artifacts_mode=$(grep -E '^artifacts_root:' "$_config_file" 2>/dev/null | tail -1 | awk '{print $2}' | tr -d '[:space:]' || true)
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fi
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if [ "$_artifacts_mode" = "repo" ]; then
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_repo_root=$(git rev-parse --show-toplevel 2>/dev/null || true)
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if [ -n "$_repo_root" ]; then
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_artifacts_root="$_repo_root/.gstack"
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fi
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fi
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# Plan root: where /context-save and /codex consult write plan files.
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if [ -n "${GSTACK_PLAN_DIR:-}" ]; then
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_plan_root="$GSTACK_PLAN_DIR"
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elif [ -n "${CLAUDE_PLANS_DIR:-}" ]; then
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_plan_root="$CLAUDE_PLANS_DIR"
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elif [ -n "${HOME:-}" ]; then
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_plan_root="$HOME/.claude/plans"
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else
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_plan_root=".claude/plans"
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fi
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# Tmp root: where ephemeral files (codex stderr captures, etc.) live.
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# Honor TMPDIR / TMP for Windows + container compat; fall back to a
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# project-local .gstack/tmp so we never write to a system /tmp that may
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# be read-only or shared.
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if [ -n "${TMPDIR:-}" ]; then
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_tmp_root="$TMPDIR"
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elif [ -n "${TMP:-}" ]; then
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_tmp_root="$TMP"
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else
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_tmp_root=".gstack/tmp"
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fi
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# Best-effort mkdir; if it fails (read-only fs, permission denied), the caller
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# will discover that on their own write attempt. Don't fail the eval here.
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mkdir -p "$_tmp_root" 2>/dev/null || true
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echo "GSTACK_STATE_ROOT=$_state_root"
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echo "GSTACK_ARTIFACTS_ROOT=$_artifacts_root"
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echo "PLAN_ROOT=$_plan_root"
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echo "TMP_ROOT=$_tmp_root"
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