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     "$@"
  10 }
  11
  12
  13 #
  14 if [[ -e /root/.unison && ! -L /root/.unison ]]; then
  15     d=/q/p/c/machine_specific/$host/.unison
  16     mkdir -p $d
  17     mv -f /root/.unison/* $d
  18 fi
  19
  20
  21 shopt -s nullglob
  22 shopt -s extglob
  23
  24 # if we make a link back to the root, traversing the subdirs stops.
  25 # This makes it so we can do subdir directories. Must call with absolute
  26 # paths.
  27
  28 subdir-link-r() {
  29     local root="$1"
  30     local targets=()
  31     if [[ $2 ]]; then
  32         targets=( "$2"/!(.git) )
  33     else
  34         for f in "$1"/!(.git); do
  35             [[ -d $f ]] && targets+=("$f") ||:
  36         done
  37     fi
  38     local below="$( readlink -f "$root/..")"
  39     for path in "${targets[@]}"; do
  40         local fullpath="$(readlink -f "$path")"
  41         #e $fullpath $below # debug
  42         if [[ -f $path || $(dirname $(readlink -f "$fullpath")) == "$below" ]]; then
  43             sysv lnf -T "$path" "$HOME/${path#$root/}"
  44         elif [[ -d "$path" ]]; then
  45             subdir-link-r "$root" "$path"
  46         fi
  47     done
  48 }
  49
  50 common-file-setup() {
  51     for dir in "$@"; do
  52         if [[ -e $dir/subdir_files ]]; then
  53             subdir-link-r $dir/subdir_files
  54         fi
  55         local x=( $dir/!(subdir_files|filesystem) )
  56         (( ${#x[@]} >= 1 )) || return 0
  57         sysv lnf ${x[@]} ~
  58         # as of this writing, it doesn't exist in /a/c, but I've used it in the past.
  59         if [[ -e $dir/filesystem && $USER == ian ]]; then
  60             sysv s cp -R $dir/filesystem/* /
  61         fi
  62     done
  63 }
  64
  65 link-dirs() {
  66     for dir in "$@"; do
  67         common-file-setup $dir
  68         common-file-setup $dir/machine_specific/$HOSTNAME
  69     done
  70 }
  71
  72 all_dirs=({/a/c,/p/c}{,/machine_specific/$HOSTNAME})
  73 c_dirs=(/a/c{,/machine_specific/$HOSTNAME})
  74 case $USER in
  75     ian)
  76         # p needs to go first so .ssh link is created, then config link inside it
  77         common-file-setup $dir ${all_dirs[@]}
  78         sudo -u traci "$BASH_SOURCE"
  79         ;;
  80     traci)
  81         common-file-setup ${c_dirs[@]}
  82         ;;
  83     *)
  84         echo "$0: error: unexpected user"; exit 1
  85         ;;
  86 esac