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 "$HG_COMMIT_OPTIONS" ]; then
  24         export HG_COMMIT_OPTIONS
  25 fi
  26
  27 if [ ! -z "$HIGHLEVEL_PACKAGE_MANAGER" ]; then
  28         export HIGHLEVEL_PACKAGE_MANAGER
  29 fi
  30 if [ ! -z "$LOWLEVEL_PACKAGE_MANAGER" ]; then
  31         export LOWLEVEL_PACKAGE_MANAGER
  32 fi
  33
  34 if [ -z "$1" ]; then
  35         usage
  36 fi
  37 command="$1"
  38 shift 1
  39
  40 # compatability code
  41 if [ "$command" = "post-apt" ]; then
  42         command=post-install
  43 elif [ "$command" = "pre-apt" ]; then
  44         command=pre-install
  45 fi
  46
  47 if [ ! -d "/etc/etckeeper/$command.d" ]; then
  48         echo "etckeeper: /etc/etckeeper/$command.d does not exist" >&2
  49         exit 1
  50 fi
  51
  52 if [ "x$1" = "x-d" ]; then
  53         if [ -n "$2" ]; then
  54                 cd "$2"
  55                 shift 2
  56         else
  57                 usage
  58         fi
  59 else
  60         cd /etc
  61 fi
  62
  63 lsscripts() {
  64         perl -e '
  65                 $dir=shift;
  66                 print join "\n", grep { ! -d $_ && -x $_ }
  67                         grep /^\Q$dir\/\E[-a-zA-Z0-9]+$/,
  68                         glob "$dir/*";
  69         ' "$1"
  70 }
  71
  72 for script in $(lsscripts "/etc/etckeeper/$command.d"); do
  73         "$script" "$@"
  74 done