1 files changed, 104 insertions, 0 deletions
diff --git a/tcwg_gnu-build.sh b/tcwg_gnu-build.sh
new file mode 100755
index 00000000..1a546169
--- /dev/null
+++ b/tcwg_gnu-build.sh
@@ -0,0 +1,104 @@
+#!/bin/bash
+
+set -euf -o pipefail
+
+scripts=$(dirname $0)
+. $scripts/jenkins-helpers.sh
+. $scripts/round-robin.sh
+
+convert_args_to_variables "$@"
+
+obligatory_variables rr[ci_config]
+
+# Execution mode: baseline, bisect, jenkins-full
+rr[mode]="${rr[mode]-baseline}"
+
+# Set custom revision for one of the projects, and use baseline revisions
+# for all other projects.
+rr[ci_project]="${rr[ci_project]-tcwg_gnu}"
+rr[baseline_branch]="${rr[baseline_branch]-linaro-local/ci/${rr[ci_project]}/${rr[ci_config]}}"
+rr[reset_baseline]="${rr[reset_baseline]-false}"
+rr[top_artifacts]="${rr[top_artifacts]-$(pwd)/artifacts}"
+
+# {toolchain_name}-{toolchain_ver}-{target}-{bootstrap_config}
+IFS=- read -a ci_config <<EOF
+${rr[ci_config]}
+EOF
+rr[target]="native"
+bootstrap_config=${bootstrap_config-${ci_config[3]}}
+rr[components]="gcc"
+
+# Use baseline branches by default.
+for c in ${rr[components]}; do
+    rr[${c}_branch]=${rr[${c}_branch]-baseline}
+    obligatory_variables rr[${c}_url]
+done
+
+start_at="${start_at-default}"
+finish_at="${finish_at-default}"
+verbose="${verbose-true}"
+verbose2="${verbose2-false}"
+
+if $verbose2; then set -x; fi
+
+trap "eval \"echo ERROR at \${FUNCNAME[0]}:\${BASH_LINENO[0]}\"" EXIT
+
+# Set start and finish steps for different modes.
+default_start_at=""
+default_finish_at=""
+case "${rr[mode]}" in
+    "baseline")
+	default_finish_at="update_baseline"
+	;;
+    "bisect")
+	case "$(print_single_updated_component)" in
+	    gcc) default_start_at="build_abe-$bootstrap_config" ;;
+	    *) assert false ;;
+	esac
+	default_finish_at="check_regression"
+	;;
+    "jenkins-full") ;;
+esac
+if [ x"$start_at" = x"default" ]; then
+    start_at="$default_start_at"
+fi
+if [ x"$finish_at" = x"default" ]; then
+    finish_at="$default_finish_at"
+fi
+
+run_step_init "$start_at" "$finish_at" "${rr[top_artifacts]}" "$verbose"
+
+# Exit with code 0 if no regression compared to base-artifacts/results.
+no_regression_p ()
+{
+    (
+    set -euf -o pipefail
+
+    # The following check tests for an empty branch, and we return 0 if results
+    # are not present, since that's an inherently better state. If base-artifacts
+    # were not existing, then it would fail in reset_artifacts() stage.
+
+    if ! [ -f base-artifacts/results ]; then
+	return 0
+    fi
+
+    local build_result_ref build_result_new
+    build_result_ref=$(tail -n1 base-artifacts/results)
+    build_result_new=$(tail -n1 ${rr[top_artifacts]}/results)
+
+    if [ $build_result_new -lt $build_result_ref ]; then
+	return 1
+    fi
+
+    return 0
+    )
+}
+
+run_step stop_on_fail -10 reset_artifacts
+run_step stop_on_fail x prepare_abe
+run_step skip_on_fail -5 build_abe ${bootstrap_config}
+run_step reset_on_fail x check_regression
+run_step stop_on_fail x update_baseline
+run_step stop_on_fail x push_baseline
+
+trap "" EXIT