From d27fa3ba8525b8742c4b49d53402a0c88300018e Mon Sep 17 00:00:00 2001
From: Finn Evers <finn@zed.dev>
Date: Tue, 27 Jan 2026 02:47:55 +0100
Subject: [PATCH] extension_ci: Ensure specified target is installed (#47717)

Follow up to #47714 because it is still broken for the extension
workflows post #47699 cache introduction. Keeping the cache around
though in the hopes that it will now finally work.

Release Notes:

- N/A
---
 .github/workflows/extension_tests.yml                | 3 +++
 tooling/xtask/src/tasks/workflows/extension_tests.rs | 8 ++++++++
 2 files changed, 11 insertions(+)

diff --git a/.github/workflows/extension_tests.yml b/.github/workflows/extension_tests.yml
index d1aa004015383cc0b0ce8d461a196bc2ec86b233..3e2ef81f5bf7236b2df7b0a41e7cb22eb0546229 100644
--- a/.github/workflows/extension_tests.yml
+++ b/.github/workflows/extension_tests.yml
@@ -64,6 +64,9 @@ jobs:
       with:
         cache: rust
         path: ~/.rustup
+    - name: extension_tests::install_rust_target
+      run: rustup target add wasm32-wasip2
+      shell: bash -euxo pipefail {0}
     - name: steps::cargo_fmt
       run: cargo fmt --all -- --check
       shell: bash -euxo pipefail {0}
diff --git a/tooling/xtask/src/tasks/workflows/extension_tests.rs b/tooling/xtask/src/tasks/workflows/extension_tests.rs
index c3de2e111acdd3b44753fbb44f1a71ee416aa58f..d1644a3cf280387ad43a7f27a81c0e95722741f7 100644
--- a/tooling/xtask/src/tasks/workflows/extension_tests.rs
+++ b/tooling/xtask/src/tasks/workflows/extension_tests.rs
@@ -46,6 +46,13 @@ pub(crate) fn extension_tests() -> Workflow {
         })
 }
 
+fn install_rust_target() -> Step<Run> {
+    named::bash(format!(
+        "rustup target add {rust_target}",
+        rust_target = extension::extension_builder::RUST_TARGET
+    ))
+}
+
 fn run_clippy() -> Step<Run> {
     named::bash("cargo clippy --release --all-targets --all-features -- --deny warnings")
 }
@@ -57,6 +64,7 @@ fn check_rust() -> NamedJob {
         .timeout_minutes(6u32)
         .add_step(steps::checkout_repo())
         .add_step(steps::cache_rust_dependencies_namespace())
+        .add_step(install_rust_target())
         .add_step(steps::cargo_fmt())
         .add_step(run_clippy())
         .add_step(steps::cargo_install_nextest())