tCheck no mounts prior to 'sudo rm -rf' (zlibs/{helpers,bootstrap}) - libdevuansdk - common library for devuan's simple distro kits
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       ---
   DIR commit 25a86b7428eabe0ab7f3a45daa76ff84a07af450
   DIR parent 3cffb94e5cc47210ccb9177052e8b6c71d2c8cbb
  HTML Author: gryrmln <gryrmln@localhost>
       Date:   Fri,  2 Apr 2021 12:00:46 +0100
       
       Check no mounts prior to 'sudo rm -rf' (zlibs/{helpers,bootstrap})
       
       Signed-off-by: gryrmln <gryrmln@localhost>
       
       Diffstat:
         M zlibs/bootstrap                     |      12 +++++++++++-
         M zlibs/helpers                       |       8 ++++++++
       
       2 files changed, 19 insertions(+), 1 deletion(-)
       ---
   DIR diff --git a/zlibs/bootstrap b/zlibs/bootstrap
       t@@ -246,7 +246,17 @@ bootstrap_cpio_unpack()
                notice "Unpacking bootstrap cpio archive: $_bootstrap_cpio"
                silly
        
       -        sudo rm -rf "${strapdir}"/*
       +        # Danger Will Robinson
       +        # Check for (bind) mounts as sudo rm -rf will trash the host
       +        for m in sys proc dev; do
       +                if [[ $(mountpoint -q "${strapdir}/$m") ]]; then
       +                        zerr
       +                        return 1
       +                fi
       +        done
       +        # remove everything, including .dotdirfiles
       +        sudo rm -rf "$strapdir"
       +        mkdir -p "$strapdir"
        
                pushd "$strapdir" || { zerr; return 1; }
                zcat "$_bootstrap_cpio" | sudo cpio -idmn --format=newc || { zerr; return 1; }
   DIR diff --git a/zlibs/helpers b/zlibs/helpers
       t@@ -113,6 +113,14 @@ clean_strapdir()
        
                notice "Cleaning strapdir"
        
       +        # Danger Will Robinson
       +        # Check for (bind) mounts as sudo rm -rf will trash the host
       +        for m in sys proc dev; do
       +                if [[ $(mountpoint -q "${strapdir}/$m") ]]; then
       +                        zerr
       +                        return 1
       +                fi
       +        done
                sudo rm -rf "$strapdir"
        }