sub/update

   1 #!/bin/sh
   2
   3 ref="$1"
   4 oldrev="$2"
   5 newrev="$3"
   6
   7 # --- Safety check
   8
   9 if [ -z "$GIT_DIR" ]; then
  10         echo "Don't run this script from the command line." >&2
  11         echo " (if you want, you could supply GIT_DIR then run" >&2
  12         echo "  $0 <ref> <oldrev> <newrev>)" >&2
  13         exit 1
  14 fi
  15
  16 if [ -z "$ref" -o -z "$oldrev" -o -z "$newrev" ]; then
  17         echo "Usage: $0 <ref> <oldrev> <newrev>" >&2
  18         exit 1
  19 fi
  20
  21 # --- Disallow pushing tags
  22
  23 case "$ref" in
  24     refs/tags/*)
  25         echo "*** Pushing tags to this repository is not allowed" >&2
  26         exit 1
  27         ;;
  28 esac