Merge pull request #960 from MrMYHuang/main

Add correct busybox binary for arm64 architecture

busybox_archives.bzl

@@ -16,11 +16,15 @@ def repositories():
         urls = ["https://busybox.net/downloads/binaries/1.31.0-defconfig-multiarch-musl/busybox-armv7l"],
     )
 
+    # To update arm64 busybox binary (#657)
+    # Get the latest commit hash from dist-arm64v8 branch of docker-library repo.
+    # Substitute it in the link: https://github.com/docker-library/busybox/raw/<latest-commit-hash>/stable/musl/busybox.tar.xz
+    # Update the sha256 value. Since github api doesn't give sha256 value, it can be obtained using sha256sum command.
     http_file(
         name = "busybox_arm64",
         executable = True,
-        sha256 = "141adb1b625a6f44c4b114f76b4387b4ea4f7ab802b88eb40e0d2f6adcccb1c3",
-        urls = ["https://busybox.net/downloads/binaries/1.31.0-defconfig-multiarch-musl/busybox-armv8l"],
+        sha256 = "02033a50ef38a32a72b4b28183654116c42dae61ec9dccb349f9f63c6ae30f53",
+        urls = ["https://github.com/docker-library/busybox/raw/22bb23a2665eefb1520dc4c99d5ac9bdf87ae93b/stable/musl/busybox.tar.xz"],
     )
 
     http_file(

experimental/busybox/BUILD

@@ -4,13 +4,13 @@ load("//:checksums.bzl", "ARCHITECTURES")
 load(":commands.bzl", "BUSYBOX_COMMANDS")
 
 # This works for all architectures because it is just files.
-# Ppc64le needs special case as there is no direct working binary file available.
+# Ppc64le/Arm64 needs special case as there is no direct working binary file available.
 [genrule(
     name = "busybox_" + arch + "_tar",
     srcs = ["@busybox_" + arch + "//file"],
     outs = ["busybox_" + arch + ".tar"],
     cmd = "mkdir busybox; cp $(<) busybox/busybox; cd busybox; \
-           if [[ $(<) == *ppc64le* ]]; then \
+           if [[ $(<) == *ppc64le* || $(<) == *arm64* ]]; then \
              tar -xf busybox ./bin && mv -f ./bin/busybox . && rm -rf ./bin; \
            fi; \
            for cmd in %s; do \