install.sh

   1 #!/bin/sh
   2 #
   3 # ConfigScripts - install.sh
   4 # Written by Alexander Barton <alex@barton.de>. Public Domain.
   5 #
   6
   7 NAME=`basename "$0"`
   8
   9 Msg() {
  10         printf -- "$*"
  11 }
  12
  13 Abort() {
  14         Msg "- ERROR!\n"
  15         exit 1
  16 }
  17
  18 Copy_File() {
  19         src="$1"; dst="$2"; own="$3"; perm="$4"
  20         Msg "     $src -> $dst"
  21         if [ -e "$dst" ]; then
  22                 grep "alex@barton.de" "$dst" >/dev/null 2>&1
  23                 if [ $? -ne 0 ]; then
  24                         Msg " (B)"
  25                         cp "$dst" "$dst.bak"
  26                 fi
  27         fi
  28         Msg " "
  29         cp -p "$src" "$dst" || Abort
  30         if [ -n "$own" ]; then
  31                 chown "$own" "$dst" || Abort
  32         fi
  33         if [ -n "$perm" ]; then
  34                 chmod "$perm" "$dst" || Abort
  35         fi
  36         Msg "- OK.\n"
  37 }
  38
  39 Config_System() {
  40         if [ "$EUID" = "0" -a -z "$I_local" ]; then
  41                 Msg "Starting system configuration:\n"
  42                 Msg " - bash shell:\n"
  43                 if [ -e /etc/bash.bashrc ]; then
  44                         Copy_File sys/bashrc /etc/bash.bashrc root:0 644
  45                 else
  46                         Copy_File sys/bashrc /etc/bashrc root:0 644
  47                 fi
  48                 Copy_File sys/profile /etc/profile root:0 644
  49         else
  50                 Msg "Not running with root privileges - system configuration SKIPPED.\n"
  51                 grep "alex@barton.de" /etc/profile >/dev/null 2>&1
  52                 if [ $? -ne 0 -o -n "$I_local" -o -d $HOME/.etc ]; then
  53                         Msg "Installing system files to $HOME/.etc/ ...\n"
  54                         mkdir -p "$HOME/.etc"
  55                         Msg " - bash shell:\n"
  56                         Copy_File sys/bashrc $HOME/.etc/bashrc "$user" 600
  57                         Copy_File sys/profile $HOME/.etc/profile "$user" 600
  58                 else
  59                         Msg "System configuration seems to be modified: not installing locally.\n"
  60                 fi
  61         fi
  62 }
  63
  64 Config_User() {
  65         # $1: user name
  66         # $2: home directory
  67
  68         user="$1"
  69         home="$2"
  70
  71         Msg "Starting user configuration ($user in $home):\n"
  72         touch "$home/.test.$$" >/dev/null 2>&1
  73         if [ $? -eq 0 ]; then
  74                 rm -f "$home/.test.$$"
  75                 Msg " - bash shell:\n"
  76                 if [ -e "$home/.profile" ]; then
  77                         Copy_File user/bash_profile "$home/.profile" "$user" 600
  78                 else
  79                         Copy_File user/bash_profile "$home/.bash_profile" "$user" 600
  80                 fi
  81                 Copy_File user/bashrc "$home/.bashrc" "$user" 600
  82                 Copy_File user/bash_logout "$home/.bash_logout" "$user" 600
  83         else
  84                 Msg "Can't write to user home directory - user configuration SKIPPED.\n"
  85         fi
  86 }
  87
  88 Config_Skel() {
  89         if [ -w /etc/skel -a -z "$I_local" ]; then
  90                 Msg "Starting \"/etc/skel\" configuration:\n"
  91                 Msg " - bash shell:\n"
  92                 Copy_File user/bash_logout /etc/skel/.bash_logout root:0 644
  93                 if [ -e /etc/skel/.profile ]; then
  94                         Copy_File user/bash_profile /etc/skel/.profile root:0 644
  95                 else
  96                         Copy_File user/bash_profile /etc/skel/.bash_profile root:0 644
  97                 fi
  98                 Copy_File user/bashrc /etc/skel/.bashrc root:0 644
  99         else
 100                 [ -z "$I_local" ] \
 101                         && Msg "Can't write to \"/etc/skel\" - configuration SKIPPED.\n" \
 102                         || Msg "Local install selected, \"/etc/skel\" configuration SKIPPED.\n"
 103         fi
 104 }
 105
 106 while [ $# -gt 0 ]; do
 107         case "$1" in
 108         "--local"|"-l")
 109                 export I_local=1; ;;
 110         *)
 111                 echo "Usage: $0 [--local|-l]"
 112                 exit 1
 113         esac
 114         shift
 115 done
 116
 117 [ -n "$UID" ] || UID=`id -r -u`
 118 [ -n "$EUID" ] || EUID=`id -u`
 119 export UID EUID
 120
 121 Msg "Running $NAME (uid=$UID; euid=$EUID) ...\n"
 122
 123 user=`basename "$HOME"`
 124
 125 Config_Skel
 126 Config_System
 127 Config_User "$user" "$HOME"
 128
 129 Msg "$NAME: Done.\n"
 130
 131 # -eof-