entrypoint: setup binfmt_misc handling for cross building

osbuild · Jan 30, 2024 · 4981e82 · 4981e82
1 parent 8d045bc
commit 4981e82
Showing 1 changed file with 18 additions and 0 deletions.
diff --git a/entrypoint.sh b/entrypoint.sh
@@ -1,3 +1,21 @@
 #!/bin/bash
 set -euo pipefail
+
+if mount -t binfmt_misc none /proc/sys/fs/binfmt_misc; then
+    case "$(uname -m)" in
+	"x86_64")
+	    if [ ! -e /proc/sys/fs/binfmt_misc/qemu-aarch64 ]; then
+		cat /usr/lib/binfmt.d/qemu-aarch64-static.conf > /proc/sys/fs/binfmt_misc/register
+	    fi
+	    ;;
+	"aarch64")
+	    if [ ! -e /proc/sys/fs/binfmt_misc/qemu-x86_64 ]; then
+		cat /usr/lib/binfmt.d/qemu-x86_64-static.conf > /proc/sys/fs/binfmt_misc/register
+	    fi
+    esac
+else
+    echo "WARN: cannot setup binfmt_misc handling"
+fi
+
+
 /usr/bin/bootc-image-builder build --store /store --rpmmd /rpmmd --output /output "$@"