git-sh-setup.sh

   1 #!/bin/sh
   2 #
   3 # Set up GIT_DIR and GIT_OBJECT_DIRECTORY
   4 # and return true if everything looks ok
   5 #
   6 : ${GIT_DIR=.git}
   7 : ${GIT_OBJECT_DIRECTORY="$GIT_DIR/objects"}
   8
   9 # Having this variable in your environment would break scripts because
  10 # you would cause "cd" to be be taken to unexpected places.  If you
  11 # like CDPATH, define it for your interactive shell sessions without
  12 # exporting it.
  13 unset CDPATH
  14
  15 die() {
  16         echo >&2 "$@"
  17         exit 1
  18 }
  19
  20 case "$(GIT_DIR="$GIT_DIR" git-symbolic-ref HEAD 2>/dev/null)" in
  21 refs/*) : ;;
  22 *)      false ;;
  23 esac &&
  24 [ -d "$GIT_DIR/refs" ] &&
  25 [ -d "$GIT_OBJECT_DIRECTORY/" ]