coreutils: Fix deeply nested folder under docker

See:
- https://github.com/moby/moby/issues/13451
- https://bugzilla.yoctoproject.org/show_bug.cgi?id=7338

diff --git a/packages/coreutils/build.sh b/packages/coreutils/build.sh
index 02cebbe..aa98310 100755 (executable)
--- a/packages/coreutils/build.sh
+++ b/packages/coreutils/build.sh
@@ -16,4 +16,17 @@ TERMUX_PKG_HOSTBUILD=yes
 
 termux_step_pre_configure() {
        CPPFLAGS+=" -DDEFAULT_TMPDIR=\\\"$TERMUX_PREFIX/tmp\\\""
+
+       # Handle issue with too deep folder under Docker:
+       # https://github.com/moby/moby/issues/13451
+       # https://bugzilla.yoctoproject.org/show_bug.cgi?id=7338
+       # From https://bugzilla.yoctoproject.org/show_bug.cgi?id=7338:
+       # When running in a Docker container, getcwd-path-max.m4 leaves behind
+       # a deeply-nested structure of confdir3/ directories that can't be deleted using rm -fr.
+       # See https://github.com/docker/docker/issues/13451
+       cd $TERMUX_PKG_HOSTBUILD_DIR
+       if [ -d confdir3/confdir3 ]; then
+               mv confdir3/confdir3/ fred/
+               rm -Rf fred/ confdir3/
+       fi
 }