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 if [ ! -z "$AVOID_COMMIT_BEFORE_INSTALL" ]; then
  37         export AVOID_COMMIT_BEFORE_INSTALL
  38 fi
  39
  40 if [ -z "$1" ]; then
  41         usage
  42 fi
  43 command="$1"
  44 shift 1
  45
  46 # compatability code
  47 if [ "$command" = "post-apt" ]; then
  48         command=post-install
  49 elif [ "$command" = "pre-apt" ]; then
  50         command=pre-install
  51 fi
  52
  53 if [ ! -d "/etc/etckeeper/$command.d" ]; then
  54         echo "etckeeper: /etc/etckeeper/$command.d does not exist" >&2
  55         exit 1
  56 fi
  57
  58 if [ "x$1" = "x-d" ]; then
  59         if [ -n "$2" ]; then
  60                 cd "$2"
  61                 shift 2
  62         else
  63                 usage
  64         fi
  65 else
  66         cd /etc
  67 fi
  68
  69 lsscripts() {
  70         perl -e '
  71                 $dir=shift;
  72                 print join "\n", grep { ! -d $_ && -x $_ }
  73                         grep /^\Q$dir\/\E[-a-zA-Z0-9]+$/,
  74                         glob "$dir/*";
  75         ' "$1"
  76 }
  77
  78 for script in $(lsscripts "/etc/etckeeper/$command.d"); do
  79         "$script" "$@"
  80 done