PRODKERNEL: strip multiple kpatch-cc prefixes

For debugging kpatch-build, cope with a confused state where the kpatch-cc prefix is applied twice. When stable this should not happen, and should be complained of. While developing, just peel them off Tested: with later commits Upstream-Plan: 190514358 Signed-off-by: Pete Swain <[email protected]>
dynup · Sep 20, 2022 · 6bd90c6 · 6bd90c6
1 parent b99d393
commit 6bd90c6
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/kpatch-build/kpatch-cc b/kpatch-build/kpatch-cc
@@ -4,6 +4,12 @@ if [[ ${KPATCH_GCC_DEBUG:-0} -ne 0 ]]; then
 	set -o xtrace
 fi
 
+# cope with multiply-prefixed invocation
+while [[ "$1" =~ /kpatch-cc$ ]]; do
+  echo >&2 kpatch-cc: stuttered prefix
+  shift
+done
+
 TOOLCHAINCMD="$1"
 shift