fix: make bash tool respect $SHELL (#3494)

istarkov · opencode-agent[bot] · rekram1-node · web-flow · commit b5d0c56b4ceb · 2025-11-21T14:33:04.000-06:00
Co-authored-by: opencode-agent[bot] &lt;opencode-agent[bot]@users.noreply.github.com&gt;
Co-authored-by: rekram1-node &lt;rekram1-node@users.noreply.github.com&gt;
diff --git a/packages/opencode/src/tool/bash.ts b/packages/opencode/src/tool/bash.ts
@@ -183,7 +183,7 @@ export const BashTool = Tool.define("bash", {
     }
 
     const proc = spawn(params.command, {
-      shell: true,
+      shell: process.env.SHELL ?? true, // $SHELL if set, otherwise default shell
       cwd: Instance.directory,
       env: {
         ...process.env,

Original file line number	Diff line number	Diff line change
`@@ -183,7 +183,7 @@ export const BashTool = Tool.define("bash", {`
`183`	`183`	`}`
`184`	`184`
`185`	`185`	`const proc = spawn(params.command, {`
`186`		`- shell: true,`
	`186`	`+ shell: process.env.SHELL ?? true, // $SHELL if set, otherwise default shell`
`187`	`187`	`cwd: Instance.directory,`
`188`	`188`	`env: {`
`189`	`189`	`...process.env,`