From 519cd8c7712fc2ca6d2ca1d356d7f52cbd6d5808 Mon Sep 17 00:00:00 2001
From: Aiden Cline <63023139+rekram1-node@users.noreply.github.com>
Date: Tue, 1 Sep 2026 21:27:37 -0500
Subject: [PATCH] feat(core): add grep matching options (#46716)

---
 packages/core/src/filesystem.ts       |  2 ++
 packages/core/src/ripgrep.ts          |  4 ++++
 packages/core/src/tool/plugin/grep.ts | 14 ++++++++++++--
 3 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/packages/core/src/filesystem.ts b/packages/core/src/filesystem.ts
index 93ef8cfb29e..280740b858d 100644
--- a/packages/core/src/filesystem.ts
+++ b/packages/core/src/filesystem.ts
@@ -44,6 +44,8 @@ export class GrepInput extends Schema.Class<GrepInput>("FileSystem.GrepInput")({
   pattern: Schema.String,
   path: Schema.optionalKey(RelativePath),
   include: Schema.optionalKey(Schema.String),
+  literal: Schema.optionalKey(Schema.Boolean),
+  caseSensitive: Schema.optionalKey(Schema.Boolean),
   limit: Schema.optionalKey(PositiveInt),
 }) {}
 
diff --git a/packages/core/src/ripgrep.ts b/packages/core/src/ripgrep.ts
index 669982f236f..c40b2936918 100644
--- a/packages/core/src/ripgrep.ts
+++ b/packages/core/src/ripgrep.ts
@@ -74,6 +74,8 @@ export interface GrepInput {
   readonly pattern: string
   readonly file?: string
   readonly include?: string
+  readonly literal?: boolean
+  readonly caseSensitive?: boolean
   readonly limit: number
   readonly signal?: AbortSignal
 }
@@ -220,6 +222,8 @@ const layer = Layer.effect(
             "--json",
             "--hidden",
             "--no-messages",
+            ...(input.literal ? ["--fixed-strings"] : []),
+            ...(input.caseSensitive === false ? ["--ignore-case"] : []),
             ...(input.include ? [`--glob=${input.include}`] : []),
             "--glob=!**/.git/**",
             "--",
diff --git a/packages/core/src/tool/plugin/grep.ts b/packages/core/src/tool/plugin/grep.ts
index 9b205b0d0cc..08f9bc71ee9 100644
--- a/packages/core/src/tool/plugin/grep.ts
+++ b/packages/core/src/tool/plugin/grep.ts
@@ -18,7 +18,7 @@ export const Input = Schema.Struct({
   pattern: FileSystem.GrepInput.fields.pattern
     .check(Schema.isMinLength(1, { message: "Pattern must not be empty" }))
     .annotate({
-      description: "Regular expression to search for in file contents (ripgrep syntax)",
+      description: "Regular expression or literal text to match in file contents.",
     }),
   path: Schema.optionalKey(RelativePath).annotate({
     description: "File or directory to search. Defaults to the current working directory.",
@@ -26,6 +26,12 @@ export const Input = Schema.Struct({
   include: FileSystem.GrepInput.fields.include.annotate({
     description: 'Glob pattern to filter files (for example, "*.js" or "*.{ts,tsx}")',
   }),
+  literal: FileSystem.GrepInput.fields.literal.annotate({
+    description: "Treat `pattern` as exact text instead of a regular expression (default: false).",
+  }),
+  caseSensitive: FileSystem.GrepInput.fields.caseSensitive.annotate({
+    description: "Use case-sensitive matching (default: true).",
+  }),
   limit: FileSystem.GrepInput.fields.limit.annotate({
     description: `Maximum number of matching lines to return (default: ${FileSystem.DEFAULT_SEARCH_LIMIT})`,
   }),
@@ -70,7 +76,7 @@ export const Plugin = {
           name,
           options: { codemode: false },
           description:
-            "Search file contents using regular expressions. Use it to locate specific code, symbols, or text patterns, and narrow searches with `path` or `include`. Returns matching file paths, line numbers, and line previews.",
+            "Search file contents using ripgrep's regular expression syntax or literal text matching. Use it to locate specific code, symbols, or text patterns, and narrow searches with `path` or `include`. Returns matching file paths, line numbers, and line previews.",
           input: Input,
           output: Output,
           execute: (input, context) =>
@@ -92,6 +98,8 @@ export const Plugin = {
                   root: ".",
                   path: input.path,
                   include: input.include,
+                  literal: input.literal,
+                  caseSensitive: input.caseSensitive,
                   limit: input.limit,
                 },
                 sessionID: context.sessionID,
@@ -112,6 +120,8 @@ export const Plugin = {
                   pattern: input.pattern,
                   file: type === "file" ? path.basename(root) : undefined,
                   include: input.include,
+                  literal: input.literal,
+                  caseSensitive: input.caseSensitive,
                   limit: limit + 1,
                 })
                 .pipe(