git: Refactor SHA reset logic in entrypoint.sh

Replace git checkout with git reset for better handling of SHA resets.

Signed-off-by: Chiho Sin <[email protected]>

Author: chihosin

entrypoint.sh

@@ -19,19 +19,18 @@ if ! git rev-parse "${GITHUB_SHA}" >/dev/null 2>&1; then
     echo "SHA ${GITHUB_SHA} not found locally. Fetching from origin..."
     git fetch origin "${GITHUB_SHA}" --tags --prune || echo "SHA not found in origin."
 fi
-
 if ! git rev-parse "${GITHUB_SHA}" >/dev/null 2>&1; then
     echo "SHA ${GITHUB_SHA} not found in origin. Fetching from fork..."
     git fetch fork "${GITHUB_SHA}" --tags --prune || echo "SHA not found in fork."
 fi
-
 # Final check: If SHA still doesn't exist, fail
 if ! git rev-parse "${GITHUB_SHA}" >/dev/null 2>&1; then
     echo "Error: SHA ${GITHUB_SHA} not found in either remote."
     exit 1
 fi
+# Reset to the target SHA
+git reset --hard "${GITHUB_SHA}"
 
-git checkout "${GITHUB_SHA}"
 make -C ports/"${CPY_PLATFORM}" fetch-port-submodules
 pip3 install --upgrade -r requirements-dev.txt
 pip3 install --upgrade -r requirements-doc.txt