makeRootfs.sh

   1 #!/bin/bash
   2
   3 # msgUsage: show a usage message and exit
   4 msgUsage() {
   5   echo "Usage: $(basename $0) [TMP_DIR] [PKG_DIR] [RELEASE_DIR] [RELEASE_NAME]"
   6   echo "Examples:"
   7   echo " \$ $(basename $0) tmp ports/core-cross releases crux-arm-rootfs-2.7"
   8   echo " \$ $(basename $0) tmp ports/core-cross releases crux-arm-rootfs-2.6"
   9   echo " \$ $(basename $0) tmp ports/core-cross-noeabi releases crux-arm-rootfs-2.6-noeabi"
  10   exit 0
  11 }
  12
  13 # msgWarn: show a warning message
  14 msgWarn() {
  15   echo "Warning, $@" 2>&1
  16 }
  17
  18 # msgError: show a error message and exit
  19 msgError() {
  20   echo "Error, $@" 2>&1
  21   exit 1
  22 }
  23
  24 # checkCommands: checks for command dependencies
  25 checkCommands() {
  26   for cmd in sudo pkgmk tar md5sum; do
  27     if ! which $cmd 2>&1 >/dev/null; then
  28       msgError "'$cmd' is not in your \$PATH and you need it to execute this script"
  29     fi
  30   done
  31 }
  32
  33 # checkVars: checks for user given arguments
  34 #
  35 # params:
  36 # $1 - TMP_DIR
  37 # $2 - PKG_DIR
  38 # $3 - RELEASE_DIR
  39 # $4 - RELEASE_NAME
  40 checkVars() {
  41   [ $# -lt 1 ] && msgUsage
  42   [ ! -z "$1" ] && TMP_DIR="$1"
  43   [ "$TMP_DIR" = "/tmp" ] && msgError "you can't use /tmp as TMP_DIR"
  44   [ ! -z "$2" ] && PKG_DIR="$2"
  45   [ ! -z "$3" ] && RELEASE_DIR="$3"
  46   [ ! -z "$4" ] && RELEASE_NAME="$4"
  47   # check for directories, if not create them
  48   for dir in $TMP_DIR $RELEASE_DIR; do
  49     if [ ! -d "$dir" ]; then
  50       msgWarn "creating directory '$dir'" && install -d $dir || exit 1
  51     fi
  52   done
  53   TMP_DIR="$(cd $TMP_DIR; pwd)"
  54   PKG_DIR="$(cd $PKG_DIR; pwd)"
  55   RELEASE_DIR="$(cd $RELEASE_DIR; pwd)"
  56   [ -z "$PACKAGES" ] && PACKAGES="$(find $PKG_DIR -type f -name '*#*pkg.tar.gz')"
  57 }
  58
  59 # global variables
  60 PWD_DIR="$(pwd)"
  61 TMP_DIR="$PWD_DIR/tmp"
  62 PKG_DIR="$PWD_DIR/pkg"
  63 RELEASE_DIR="$PWD_DIR/releases"
  64 RELEASE_NAME="crux-arm-rootfs-2.7"
  65 PACKAGES=""
  66
  67 checkCommands
  68 checkVars $@
  69
  70 # create the database stuff for pkgutils
  71 sudo install -d -m 0755 $TMP_DIR/var/lib/pkg
  72 sudo touch $TMP_DIR/var/lib/pkg/db
  73 sudo chmod 0444 $TMP_DIR/var/lib/pkg/db
  74
  75 # install all packages
  76 pkgnum=0
  77 for pkg in $PACKAGES; do
  78   sudo pkgadd -r $TMP_DIR $pkg && echo "Installing $pkg" || exit 1
  79   let pkgnum=$pkgnum+1
  80 done
  81
  82 # create the tarball and the md5sum
  83 cd $TMP_DIR && sudo tar cvjf $RELEASE_DIR/$RELEASE_NAME.tar.bz2 * && cd ..
  84 cd $RELEASE_DIR && md5sum $RELEASE_NAME.tar.bz2 > $RELEASE_NAME.tar.bz2.md5 && cd ..
  85
  86 echo "Installed packages: $pkgnum"
  87 sudo rm -rf $TMP_DIR
  88 echo "Release done: $RELEASE_DIR/$RELEASE_NAME.tar.bz2"
  89
  90 # End of file