ci: implement unified sections

in after_script, variable $SCRIPTS_DIR is lost

Acked-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: David Heidelberg <david.heidelberg@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20272>

.gitlab-ci/meson/build.sh

@@ -1,4 +1,6 @@
-#!/bin/bash
+#!/usr/bin/env bash
+
+section_switch meson-configure "meson: configure"
 
 set -e
 set -o xtrace
@@ -81,11 +83,17 @@ meson setup _build \
       ${EXTRA_OPTION}
 cd _build
 meson configure
+
+section_switch meson-build "meson: build"
+
 if command -V mold &> /dev/null ; then
     mold --run ninja
 else
     ninja
 fi
+
+
+section_switch meson-test "meson: test"
 LC_ALL=C.UTF-8 meson test --num-processes ${FDO_CI_CONCURRENT:-4} --print-errorlogs ${MESON_TEST_ARGS}
 if command -V mold &> /dev/null ; then
     mold --run ninja install
@@ -93,3 +101,4 @@ else
     ninja install
 fi
 cd ..
+section_end meson-test