CI: Test execution of projects

.github/workflows/ci.yml

@@ -63,4 +63,6 @@ jobs:
         with:
           tool: bpf-linker,cargo-generate
 
+      - run: sudo apt update
+      - run: sudo apt install expect
       - run: ./test.sh ${{ github.workspace }} ${{ matrix.program }}

test.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -ex
+set -eux
 
 TEMPLATE_DIR=$1
 if [ -z "${TEMPLATE_DIR}" ]; then echo "template dir required"; exit 1; fi
@@ -60,5 +60,11 @@ cargo build --package test --release
 # trying to compile the panic handler twice: once from the bpf program, and again from std via aya.
 cargo clippy --exclude test-ebpf --all-targets --workspace -- --deny warnings
 cargo clippy --package test-ebpf --all-targets -- --deny warnings
+
+RUST_LOG=info expect << EOF
+  spawn cargo xtask run
+  expect "Waiting for Ctrl-C..."
+  send \x03
+EOF
+
 popd
-exit 0