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 s lnf -T /q/p /p
  25 s lnf -T /a/bin /b
  26
  27
  28 # if we make a link back to the root, traversing the subdirs stops.
  29 # This makes it so we can do subdir directories. Must call with absolute
  30 # paths.
  31
  32 subdir-link-r() {
  33     local root="$1"
  34     local targets=()
  35     if [[ $2 ]]; then
  36         targets=( "$2"/!(.git) )
  37     else
  38         for f in "$1"/!(.git); do
  39             [[ -d $f ]] && targets+=("$f") ||:
  40         done
  41     fi
  42     local below="$( readlink -f "$root/..")"
  43     for path in "${targets[@]}"; do
  44         local fullpath="$(readlink -f "$path")"
  45         #e $fullpath $below # debug
  46         if [[ -f $path || $(dirname $(readlink -f "$fullpath")) == "$below" ]]; then
  47             sysv lnf -T "$path" "$HOME/${path#$root/}"
  48         elif [[ -d "$path" ]]; then
  49             subdir-link-r "$root" "$path"
  50         fi
  51     done
  52 }
  53
  54 common-file-setup() {
  55     for dir in "$@"; do
  56         if [[ -e $dir/subdir_files ]]; then
  57             subdir-link-r $dir/subdir_files
  58         fi
  59         local x=( $dir/!(subdir_files|filesystem) )
  60         (( ${#x[@]} >= 1 )) || return 0
  61         sysv lnf ${x[@]} ~
  62         # as of this writing, it doesn't exist in /a/c, but I've used it in the past.
  63         if [[ -e $dir/filesystem && $USER == ian ]]; then
  64             sysv s cp -R $dir/filesystem/* /
  65         fi
  66     done
  67 }
  68
  69 link-dirs() {
  70     for dir in "$@"; do
  71         common-file-setup $dir
  72         common-file-setup $dir/machine_specific/$HOSTNAME
  73     done
  74 }
  75
  76 all_dirs=({/a/c,/p/c}{,/machine_specific/$HOSTNAME})
  77 c_dirs=(/a/c{,/machine_specific/$HOSTNAME})
  78 case $USER in
  79     ian)
  80         # p needs to go first so .ssh link is created, then config link inside it
  81         common-file-setup $dir ${all_dirs[@]}
  82         sudo -u traci "$BASH_SOURCE"
  83         ;;
  84     traci)
  85         common-file-setup ${c_dirs[@]}
  86         ;;
  87     root)
  88         if ! $ROOTCMD getent passwd ian; then
  89             common-file-setup ${all_dirs[@]}
  90         else
  91             echo "$0: error: unexpected user"; exit 1
  92         fi
  93         ;;
  94     *)
  95         echo "$0: error: unexpected user"; exit 1
  96         ;;
  97 esac