From a6e1926a8e0a0d17338616afc1b543895f2f4924 Mon Sep 17 00:00:00 2001
From: Valentine Burley <valentine.burley@collabora.com>
Date: Mon, 19 May 2025 09:11:22 +0200
Subject: [PATCH] ci: Fix date parsing with BusyBox on Alpine

This fixes the timestamps in Alpine containers.

Signed-off-by: Valentine Burley <valentine.burley@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35051>
---
 .gitlab-ci/setup-test-env.sh | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/.gitlab-ci/setup-test-env.sh b/.gitlab-ci/setup-test-env.sh
index 32a4eb8f2b4..110dd8e55ee 100644
--- a/.gitlab-ci/setup-test-env.sh
+++ b/.gitlab-ci/setup-test-env.sh
@@ -33,7 +33,13 @@ function _error_msg() (
     echo -e "${RED}$*${ENDCOLOR}"
 )
 
-export JOB_START_S=$(date -u +"%s" -d "${CI_JOB_STARTED_AT:?}")
+# Some date binaries (like the BusyBox one) use -D instead of -d for date parsing.
+# This fallback handles both cases: try GNU coreutils-style first, then fallback to BusyBox if it fails.
+# The BusyBox fallback needs '|| true' because it returns an error status even when it outputs the time.
+export JOB_START_S=$(
+  date -u +"%s" -d "$CI_JOB_STARTED_AT" 2>/dev/null ||
+  { date -u +"%s" -D "%Y-%m-%dT%H:%M:%SZ" "$CI_JOB_STARTED_AT" 2>/dev/null || true; }
+)
 
 function get_current_minsec {
     DATE_S=$(date -u +"%s")