Updated msys2 to msys2-base-x86_64-20200903

msys2/usr/share/bash-completion/completions/_umount

@@ -0,0 +1,24 @@
+# umount(8) completion                                     -*- shell-script -*-
+
+# Use of this file is deprecated on Linux.  Upstream completion is
+# available in util-linux >= 2.28, use that instead.
+
+if [[ $OSTYPE == *linux* ]]; then
+    . "$BASH_SOURCE.linux"
+    return
+fi
+
+# umount(8) completion. This relies on the mount point being the third
+# space-delimited field in the output of mount(8)
+#
+_umount()
+{
+    local cur prev words cword
+    _init_completion || return
+
+    local IFS=$'\n'
+    COMPREPLY=( $(compgen -W '$(mount | cut -d" " -f 3)' -- "$cur") )
+} &&
+complete -F _umount -o dirnames umount
+
+# ex: filetype=sh