dsh-patch-edit-plus

Usage

Unified diff (default, enabled)

--- a/src/app.ts
+++ b/src/app.ts
@@ -10,4 +10,4 @@ export function main() {
   init()
-  start(oldPort)
+  start(newPort)
   await shutdown()
 }

Codex apply_patch syntax (opt-in)

*** Begin Patch
*** Update File: src/app.ts
@@
   init()
-  start(oldPort)
+  start(newPort)
*** Add File: docs/notes.md
+# Notes
*** Delete File: tmp/junk.txt
*** Move to: src/app.ts   (via `*** Move to:` after *** Update File:)
*** End Patch

Enable with allowCodexPatch: true. When a Codex patch arrives while disabled, the tool returns an actionable hint (how to enable or how to retry in unified diff) instead of a generic parse error — Codex syntax is a strong prior for GPT-family models and a silent failure traps them in retry loops.

Operations

Operation	Unified diff	Codex	Execution path
Add	new file mode + /dev/null	*** Add File:	ctx.fs.writeText (official intent dance)
Update (multi-hunk)	@@ hunks	@@ hunks	ctx.fs.writeText
Delete	deleted file mode + /dev/null	*** Delete File:	ctx.shell (sandbox-aware, env-passed path)
Move / rename	rename from/to	*** Move to:	ctx.shell

Configuration

Option	Default	Description
toolName	apply_patch	Model-facing tool name.
conflictPolicy	rename	rename / skip / fail when the tool name is taken.
renameSuffix	_1	Suffix used by rename avoidance.
allowUnifiedDiff	true	Accept git/unified diffs.
allowCodexPatch	false	Accept Codex apply_patch syntax.
deleteBackend	shell	shell or none (Delete/Move return a structured error).
shellDialect	auto	auto (pwsh on win32) / posix / pwsh.
deleteCommand / moveCommand	built-in	Custom command templates. Paths still arrive only via env (DSH_PATCH_TARGET / DSH_PATCH_SOURCE); never interpolate them into the command string.
dryRunByDefault	false	Treat calls as dry runs unless dryRun: false.
followSymlinks	false	Allow patch paths to traverse symlinks.
maxFiles	50	Max file sections per patch.
maxPatchBytes	524288	Max patch text size in bytes.
maxDiffBytes	16384	Max per-file diff kept in the result metadata (larger diffs are emptied and marked truncated).