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

   1 #!/bin/bash
   2
   3 source /a/bin/errhandle/errcatch-function
   4 source /a/bin/errhandle/bash-trace-function
   5
   6 errcatch
   7
   8 m() {
   9     echo "$*"
  10     "$@"
  11 }
  12 s() { sudo "$@"; }
  13 lnf() { /a/exe/lnf "$@"; }
  14
  15
  16 shopt -s nullglob
  17 shopt -s extglob # note, already set with bash -l
  18
  19 # If we make a link back to the root, we stop going deeper into subdir_files.
  20 # This makes it so we can do subdir directories.
  21 #
  22 # Also note, under filesystem/, symlinks are expanded.
  23
  24 subdir-link-r() {
  25     local root="$1"
  26     local targets=()
  27     if [[ $2 ]]; then
  28         targets=( "$2"/!(.git|..|.) )
  29     else
  30         for f in "$1"/!(.git|..|.); do
  31             [[ -d $f ]] && targets+=("$f") ||:
  32         done
  33     fi
  34     local below="$( readlink -f "$root/..")"
  35     for path in "${targets[@]}"; do
  36         local fullpath="$(readlink -f "$path")"
  37         #e $fullpath $below # debug
  38         if [[ -f $path || $(dirname $(readlink -f "$fullpath")) == "$below" ]]; then
  39             m lnf -T "$path" "$HOME/${path#$root/}"
  40         elif [[ -d "$path" ]]; then
  41             subdir-link-r "$root" "$path"
  42         fi
  43     done
  44 }
  45
  46
  47
  48 common-file-setup() {
  49     local dir fs x bdir f dst
  50     for dir in "$@"; do
  51         fs=$dir/filesystem
  52         if [[ -e $fs && $USER == ian ]]; then
  53             # note, symlinks get resolved, not copied.
  54             m s cp -RLT --preserve=mode,timestamps $fs /
  55         fi
  56
  57         if [[ -e $dir/subdir_files ]]; then
  58             m subdir-link-r $dir/subdir_files
  59         fi
  60         local x=( $dir/!(binds|subdir_files|filesystem|machine_specific|..|.) )
  61         (( ${#x[@]} >= 1 )) || continue
  62         m lnf ${x[@]} ~
  63     done
  64 }
  65
  66 all_dirs=({/a/c,/p/c}{,/machine_specific/$HOSTNAME})
  67 # note, we assume a group of hosts does not have the
  68 # same name as a single host, which is no problem on our scale.
  69 for x in /p/c/machine_specific/*.hosts; do
  70     if grep -qxF $HOSTNAME $x; then all_dirs+=( ${x%.hosts} ); fi
  71 done
  72
  73 c_dirs=(/a/c{,/machine_specific/$HOSTNAME})
  74 case $USER in
  75     ian)
  76         # p needs to go first so .ssh link is created, then config link inside it
  77         m common-file-setup ${all_dirs[@]}
  78         if [[ -d /etc/bind/bind-writable ]]; then
  79             # need bind writable dir for nsupdate, or else we get
  80             # named[20823]: /etc/bind/db.iank.pw.jnl: create: permission denied
  81             m s chgrp bind /etc/bind/bind-writable
  82         fi
  83         if [[ -e /etc/davpass ]] && getent group www-data &>/dev/null; then
  84             s chgrp www-data /etc/davpass
  85         fi
  86         m sudo -H -u traci "$BASH_SOURCE"
  87         ;;
  88     traci)
  89         m common-file-setup ${c_dirs[@]}
  90         ;;
  91     *)
  92         echo "$0: error: unexpected user"; exit 1
  93         ;;
  94 esac