Is the format of /proc/mounts changing from being space delimited to being null delimited? where can I read more about this change?
On Sun, Mar 2, 2025 at 10:57 PM Jeremy Drake via Cygwin <cygwin@cygwin.com> wrote: > On Sun, 2 Mar 2025, Jeremy Drake via Cygwin wrote: > > > > 2) assuming there is not, I want to make a script using only things > > > present in a "base system" to clean them up. > > > > Now that the mount points are escaped and contain the Windows volume > roots > > starting with 3.6, here's my script. It uses bash/find/gawk. I'd > welcome > > any ideas on improving it, I've only just started messing with gawk. > (I'd > > started out doing grep/cut then xargs printf "%b\0" to unescape, but with > > gawk I can do that all in one program). > > > > It's in > > https://gist.github.com/jeremyd2019/4984ff0fa1f6fd8c99d7b8b244c52088 > > I decided to try the grep/cut/xargs/printf method again, and found it > shorter, so here it is. I also set up LC_CTYPE and LC_COLLATE to C.UTF-8 > up front, in case some other locale/encoding is set up. I still have to > override this to C for the find, because it doesn't seem to like the > invalid unicode used by older Cygwin/MSYS2 versions for the binned files. > > #!/bin/bash -ex > > export LC_CTYPE=C.UTF-8 LC_COLLATE=C.UTF-8 > > IFS=. read -r cygmajor cygminor _ < <(uname -r) > > declare -a roots > > if [ "${cygmajor}" -gt 3 -o "${cygmajor}" -eq 3 -a "${cygminor}" -ge 6 ]; > then > # as of cygwin 3.6, volume roots are parsable from /proc/mounts > # (noumount is the option that indicates a cygdrive mount) > readarray -t -d $'\0' roots < <( > cut -d' ' -f2,4 /proc/mounts | grep '\<noumount\>[^ ]*$' | > cut -d' ' -f1 | xargs -d'\n' printf '%b\0') > else > # before that, just punt and look at the root of the drive / is mounted > on > root="$(cygpath -w /)" > roots=("$(cygpath -u "${root:0:2}")") > unset root > fi > > declare -a trash > readarray -t -d $'\0' trash < <( > LC_CTYPE=C LC_COLLATE=C \ > find "${roots[@]}" -maxdepth 1 -iname '$Recycle.Bin' -print0 | > LC_CTYPE=C LC_COLLATE=C \ > find -files0-from - -maxdepth 2 \( -name $'.\uDC6D\uDC73\uDC79\uDC73*' > -o \ > -name $'.\uF76D\uF773\uF779\uF773*' > -o \ > -name '.msys*' -o \ > -name $'.\uDC63\uDC79\uDC67*' -o \ > -name $'.\uF763\uF779\uF767*' -o \ > -name '.cyg*' \) -print0) > if (( ${#trash[@]} )); then > ls -la "${trash[@]}" > read -r -p "Remove? (y/N) " > > if [[ "${REPLY^^}" == "Y" ]]; then > rm -f "${trash[@]}" > fi > fi > > -- > Problem reports: https://cygwin.com/problems.html > FAQ: https://cygwin.com/faq/ > Documentation: https://cygwin.com/docs.html > Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple > -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple
