Peter Steinberger fc12f81b6a

2026-05-05 04:29:32 +01:00

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Reference

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Lookup tables for paths, environment variables, and defaults. {: .fs-6 .fw-300 }

TOC {:toc}

Paths

Path	Purpose
`~/.config/gitcrawl/config.toml`	Configuration file
`~/.config/gitcrawl/gitcrawl.db`	SQLite database
`~/.config/gitcrawl/cache/`	Caches (PR detail, gh-shim fallthrough)
`~/.config/gitcrawl/cache/gh-shim/`	gh-shim fallthrough cache
`~/.config/gitcrawl/vectors/`	Vector store backing embeddings
`~/.config/gitcrawl/logs/`	Operational logs
`~/.config/gitcrawl/portable/`	Portable-store checkout (when configured)

Override the config root with --config <path> or GITCRAWL_CONFIG.

Environment variables

Core

Variable	Default	Used by	Purpose
`GITCRAWL_CONFIG`	`~/.config/gitcrawl/config.toml`	All commands	Override config path
`GITCRAWL_DB_PATH`	`~/.config/gitcrawl/gitcrawl.db`	All commands	Override database path
`GITHUB_TOKEN`	(none)	`sync`, `gh` shim	GitHub API token
`OPENAI_API_KEY`	(none)	`embed`, `refresh`	OpenAI API key

Models

Variable	Default	Purpose
`GITCRAWL_SUMMARY_MODEL`	`gpt-5.4`	Summary model (reserved for future commands)
`GITCRAWL_EMBED_MODEL`	`text-embedding-3-small`	OpenAI embedding model
`GITCRAWL_OPENAI_RETRY_DISABLED`	(off)	Set `1` to disable OpenAI retry/backoff
`GITCRAWL_OPENAI_BASE_URL` / `OPENAI_BASE_URL`	OpenAI default	Custom OpenAI endpoint

GitHub overrides

Variable	Default	Purpose
`GITCRAWL_GITHUB_BASE_URL` / `GITHUB_BASE_URL`	GitHub default	Custom GitHub API endpoint
`GH_HOST`	(none)	Included in gh-shim cache key
`GH_REPO`	(none)	Default `-R` value; included in gh-shim cache key

gh shim

Variable	Default	Purpose
`GITCRAWL_GH_PATH`	(probed)	Path to the real `gh` binary
`GITCRAWL_GH_AUTO_HYDRATE`	(on)	Set `0` to disable PR auto-hydration on cache miss
`GITCRAWL_GH_CACHE_TTL`	`30s` for most commands	Override fallthrough cache TTL (e.g., `5m`, `1h`)

Configuration defaults

Field	Default
`summary_model`	`gpt-5.4`
`embed_model`	`text-embedding-3-small`
`embed_dimensions`	`1024`
`embedding_basis`	`title_original`
`batch_size` (embeddings)	`64`
`concurrency` (embeddings)	`2`
`tui_default_sort`	`size`

Clustering defaults

Parameter	Default	Source
`--threshold`	`0.80`	`cluster`, `refresh`
`--cross-kind-threshold`	`0.93`	`cluster`, `refresh`
`--min-size`	`1`	`cluster`, `refresh`
`--max-cluster-size`	`40`	`cluster`, `refresh`
`--k` (nearest-neighbor fanout)	`16`	`cluster`, `refresh`
Weak-edge title overlap floor	`0.18`	internal
High-confidence edge score	`0.90`	internal
Deterministic reference edge score	`0.94`	internal
Body-only reference prefix length	`240` chars	internal

TUI defaults

Parameter	Default
`--min-size`	`5`
`--sort`	`size`
Working set limit	`500` rows
Refresh interval	`15s`

gh shim cache TTLs

Cache class	TTL
Most read-only fallthroughs	`30s`
`gh api` (GET)	`60s`
`gh pr diff` without stable head SHA	`5m`
`gh pr diff` with stable head SHA	`7d`
Override	`GITCRAWL_GH_CACHE_TTL`
Cache read failures	on by default; disable with `GITCRAWL_GH_CACHE_ERRORS=0`

gh shim cache key composition

A SHA-256 hash of:

Version tag (v2)
Resolved gitcrawl config path
Current working directory
GH_HOST env var
GH_REPO env var
For gh pr diff: pr-diff:owner/repo:number:head-sha (when head SHA is known)
Full command argument vector (null-separated)

This isolates sibling checkouts and portable stores while coalescing repeated calls from the same workspace.

Output formats

Format	Where to use
`text`	Human terminal use (default)
`json`	Pipelines, scripts, agents (also via `--json`)
`log`	Internal structured logging output

Exit codes

0 — success
non-zero — usage error, "not implemented" command, or runtime failure

stderr always carries error messages. stdout is reserved for command output.

File-system layout (worked example)

~/.config/gitcrawl/
├── config.toml
├── gitcrawl.db                  # SQLite mirror
├── gitcrawl.db-shm              # SQLite shared-memory file
├── gitcrawl.db-wal              # SQLite write-ahead log
├── cache/
│   ├── gh-shim/                 # gh fallthrough cache; inspect with xcache
│   └── pr/                      # hydrated PR detail blobs
├── vectors/                     # vector store backing embeddings
├── logs/
└── portable/                    # portable-store checkout (optional)
    └── data/
        └── owner__repo.sync.db

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