build-all-images.sh: allow to pull

1 files changed, 12 insertions, 0 deletions

diff --git a/build-all-images.sh b/build-all-images.sh
index 2715740..a7e763b 100755
--- a/build-all-images.sh
+++ b/build-all-images.sh
@@ -2,6 +2,18 @@
 
 cd "$(dirname "$(readlink -e "$0")")"
 
+if [ "x$1" = 'x--pull' ]; then
+  git pull --rebase
+  shift
+fi
+
+if [ $# -ne 0 ]; then
+  >&2 printf 'usage: %s [--pull]\n\n' "$0"
+  >&2 echo 'unknown parameters:'
+  >&2 printf '  "%s"\n' "$@"
+  exit 1
+fi
+
 for ARCHITECTURE in i486 i686 pentium4; do
   ARCHITECTRUE=$ARCHITECTURE sudo --preserve-env=ARCHITECTURE ./mkimage-arch.sh
 done