etckeeper

   1 #!/bin/sh
   2 set -e
   3 conf=/etc/etckeeper/etckeeper.conf
   4
   5 usage() {
   6         echo "usage: etckeeper command [-d directory]" >&2
   7         exit 1
   8 }
   9
  10 if [ -e $conf ]; then
  11         . $conf
  12 fi
  13
  14 if [ -z "$VCS" ]; then
  15         echo "Please configure a VCS in $conf" >&2
  16         exit 1
  17 fi
  18 export VCS
  19
  20 if [ ! -z "$GIT_COMMIT_OPTIONS" ]; then
  21         export GIT_COMMIT_OPTIONS
  22 fi
  23 if [ ! -z "$HG_COMMIT_OPTIONS" ]; then
  24         export HG_COMMIT_OPTIONS
  25 fi
  26 if [ ! -z "$BZR_COMMIT_OPTIONS" ]; then
  27         export BZR_COMMIT_OPTIONS
  28 fi
  29
  30 if [ ! -z "$HIGHLEVEL_PACKAGE_MANAGER" ]; then
  31         export HIGHLEVEL_PACKAGE_MANAGER
  32 fi
  33 if [ ! -z "$LOWLEVEL_PACKAGE_MANAGER" ]; then
  34         export LOWLEVEL_PACKAGE_MANAGER
  35 fi
  36
  37 if [ -z "$1" ]; then
  38         usage
  39 fi
  40 command="$1"
  41 shift 1
  42
  43 # compatability code
  44 if [ "$command" = "post-apt" ]; then
  45         command=post-install
  46 elif [ "$command" = "pre-apt" ]; then
  47         command=pre-install
  48 fi
  49
  50 if [ ! -d "/etc/etckeeper/$command.d" ]; then
  51         echo "etckeeper: /etc/etckeeper/$command.d does not exist" >&2
  52         exit 1
  53 fi
  54
  55 if [ "x$1" = "x-d" ]; then
  56         if [ -n "$2" ]; then
  57                 cd "$2"
  58                 shift 2
  59         else
  60                 usage
  61         fi
  62 else
  63         cd /etc
  64 fi
  65
  66 lsscripts() {
  67         perl -e '
  68                 $dir=shift;
  69                 print join "\n", grep { ! -d $_ && -x $_ }
  70                         grep /^\Q$dir\/\E[-a-zA-Z0-9]+$/,
  71                         glob "$dir/*";
  72         ' "$1"
  73 }
  74
  75 for script in $(lsscripts "/etc/etckeeper/$command.d"); do
  76         "$script" "$@"
  77 done