ci: print spl commit hash for downstream tests (solana-labs#1718)

* ci: print the commit hash of spl that is using in downstream project tests

* ci: trigger spl downstream tests correctly

.github/scripts/downstream-project-spl-common.sh

@@ -13,6 +13,7 @@ git clone https://github.com/solana-labs/solana-program-library.git spl
 # copy toolchain file to use solana's rust version
 cp "$SOLANA_DIR"/rust-toolchain.toml spl/
 cd spl || exit 1
+echo "HEAD: $(git rev-parse HEAD)"
 
 project_used_solana_version=$(sed -nE 's/solana-sdk = \"[>=<~]*(.*)\"/\1/p' <"token/program/Cargo.toml")
 echo "used solana version: $project_used_solana_version"

.github/workflows/downstream-project-spl.yml

@@ -19,6 +19,8 @@ on:
       - "cargo-test-sbf"
       - "ci/downstream-projects/run-spl.sh"
       - ".github/workflows/downstream-project-spl.yml"
+      - ".github/scripts/downstream-project-spl-common.sh"
+      - ".github/scripts/downstream-project-spl-install-deps.sh"
   workflow_call:
     inputs:
       branch: