iankelling.org Git - distro-setup/blob - conflink

   1 #!/bin/bash -l
   2
   3 set -eE -o pipefail
   4 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?"' ERR
   5
   6
   7 sysv() {
   8     e "$@"
   9     "$@"
  10 }
  11
  12
  13 shopt -s nullglob
  14
  15 # if we make a link back to the root, traversing the subdirs stops.
  16 # This makes it so we can do subdir directories. Must call with absolute
  17 # paths.
  18
  19 subdir-link-r() {
  20     local root="$1"
  21     local targets=()
  22     if [[ $2 ]]; then
  23         targets=( "$2"/* )
  24     else
  25         for f in "$1"/*; do
  26             [[ -d $f ]] && targets+=("$f") ||:
  27         done
  28     fi
  29     local below="$( readlink -f "$root/..")"
  30     for path in "${targets[@]}"; do
  31         local fullpath="$(readlink -f "$path")"
  32         #e $fullpath $below # debug
  33         if [[ -f $path || $(dirname $(readlink -f "$fullpath")) == "$below" ]]; then
  34             if [[ $dir == /p/* ]]; then
  35                 homes=(/home/ian)
  36             else
  37                 homes=(/home/*)
  38             fi
  39             for user in ${homes[@]}; do
  40                 sysv lnf -T "$path" "$user/${path#$root/}"
  41             done
  42         elif [[ -d "$path" ]]; then
  43             subdir-link-r "$root" "$path"
  44         fi
  45     done
  46 }
  47
  48 common-file-setup() {
  49     if [[ -e $1/subdir_files ]]; then
  50         subdir-link-r $1/subdir_files
  51     fi
  52     local x=( $1/!(subdir_files|filesystem) )
  53     (( ${#x[@]} >= 1 )) || return 0
  54     sysv lnf ${x[@]} ~
  55     # as of this writing, it doesn't exist in /a/c, but I've used it in the past.
  56     if [[ -e $1/filesystem ]]; then
  57         sysv s cp -R $1/filesystem/* /
  58     fi
  59 }
  60
  61 # p needs to go first so .ssh link is created, then config link inside it
  62 for dir in {/a/c,/p/c}{,/machine_specific/$HOSTNAME}; do
  63     common-file-setup $dir
  64 done