releasetools/fetch_u-boot.sh

   1 #!/bin/sh
   2 #
   3 # Perform a checkout / update the MINIX u-boot git repo if needed
   4 #
   5 : ${UBOOT_REPO_URL=git://git.minix3.org/u-boot}
   6
   7 # -o output dir
   8 OUTPUT_DIR=""
   9 GIT_VERSION=""
  10 while getopts "o:n:?" c
  11 do
  12         case "$c" in
  13         \?)
  14                 echo "Usage: $0 -o output dir -n version " >&2
  15                 exit 1
  16                 ;;
  17         o)
  18                 OUTPUT_DIR=$OPTARG
  19                 ;;
  20         n)
  21                 GIT_VERSION=$OPTARG
  22                 ;;
  23         esac
  24 done
  25
  26
  27 #
  28 # check arguments
  29 #
  30 if [ -z "$OUTPUT_DIR" -o -z "$GIT_VERSION" ]
  31 then
  32                 echo "Missing required parameters OUTPUT_DIR=$OUTPUT_DIR GIT_VERSION=$GIT_VERSION"
  33                 echo "Usage: $0 -o output dir -n version " >&2
  34                 exit 1
  35 fi
  36
  37
  38 #
  39 # if the file doesn't exist it's easy , to a checkout
  40 #
  41 if  [ ! -e "$OUTPUT_DIR" ]
  42 then
  43         git clone ${UBOOT_REPO_URL} -b minix $OUTPUT_DIR
  44 fi
  45
  46 (
  47         cd  "$OUTPUT_DIR"
  48
  49         #
  50         # perform an update
  51         #
  52         CURRENT_VERSION=`git rev-parse HEAD`
  53         if [ "$CURRENT_VERSION" !=  "$GIT_VERSION" ]
  54         then
  55                 echo "Current version $CURRENT_VERSION does not match wanted $GIT_VERSION performing update and checkout"
  56                 git fetch -v
  57                 git checkout $GIT_VERSION
  58         fi
  59 )