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 die() {
  10         echo "$@" >&2
  11         exit 1
  12 }
  13
  14 check_clean_tree() {
  15     dirty1_=`git-update-index -q --refresh` && {
  16     dirty2_=`git-diff-index --name-only --cached HEAD`
  17     case "$dirty2_" in '') : ;; *) (exit 1) ;; esac
  18     } || {
  19         echo >&2 "$dirty1_"
  20         echo "$dirty2_" | sed >&2 -e 's/^/modified: /'
  21         (exit 1)
  22     }
  23 }
  24
  25 [ -h "$GIT_DIR/HEAD" ] &&
  26 [ -d "$GIT_DIR/refs" ] &&
  27 [ -d "$GIT_OBJECT_DIRECTORY/00" ]