server/update-allow-tags-branches

   1 #!/bin/sh
   2 #
   3 # An example hook script to blocks unannotated tags from entering.
   4 # Called by git-receive-pack with arguments: refname sha1-old sha1-new
   5 #
   6 # Config
   7 # ------
   8 # hooks.update-allow-tags-branches.unannotatedtag
   9 #   This boolean sets whether unannotated tags will be allowed into the
  10 #   repository.  By default they won't be.
  11 # hooks.update-allow-tags-branches.deletetag
  12 #   This boolean sets whether deleting tags will be allowed in the
  13 #   repository.  By default they won't be.
  14 # hooks.update-allow-tags-branches.deletebranch
  15 #   This boolean sets whether deleting branches will be allowed in the
  16 #   repository.  By default they won't be.
  17 # hooks.update-allow-tags-branches.nakedtag
  18 #   This boolean sets whether tags are allowed into the repo to commits
  19 #   that are not pointed to by a branch. By default they won't be.
  20 #
  21
  22 . $(dirname $0)/functions
  23
  24 # --- Command line
  25 refname="$1"
  26 oldrev="$2"
  27 newrev="$3"
  28
  29 # --- Config
  30 allowunannotatedtag=$(git config --bool hooks.update-allow-tags-branches.unannotatedtag)
  31 allowdeletebranch=$(git config --bool hooks.update-allow-tags-branches.deletebranch)
  32 allowdeletetag=$(git config --bool hooks.update-allow-tags-branches.deletetag)
  33 allownakedtag=$(git config --bool hooks.update-allow-tags-branches.nakedtag)
  34
  35 # --- Check types
  36 # if $newrev is 0000...0000, it's a commit to delete a ref.
  37 if [ "$newrev" = "0000000000000000000000000000000000000000" ]; then
  38         newrev_type=delete
  39 else
  40         newrev_type=$(git-cat-file -t $newrev)
  41 fi
  42
  43 case "$refname","$newrev_type" in
  44         refs/tags/*,commit)
  45                 # un-annotated tag
  46                 short_refname=${refname##refs/tags/}
  47                 if [ "$allowunannotatedtag" != "true" ]; then
  48                         display_error_message "Unannotated tags ($short_refname) are not allowed"
  49                         exit 1
  50                 fi
  51                 contains=$(git branch --contains "$newrev" | wc -l)
  52                 if [ $contains -eq 0 -a "$allownakedtag" != "true" ] ; then
  53                         display_error_message "The tag $short_refname is not included in any branch"
  54                         exit 1
  55                 fi
  56                 ;;
  57         refs/tags/*,delete)
  58                 # delete tag
  59                 if [ "$allowdeletetag" != "true" ]; then
  60                         display_error_message "Deleting tags is not allowed"
  61                         exit 1
  62                 fi
  63                 ;;
  64         refs/tags/*,tag)
  65                 # annotated tag
  66                 short_refname=${refname##refs/tags/}
  67                 contains=$(git branch --contains "$newrev" | wc -l)
  68                 if [ $contains -eq 0 -a "$allownakedtag" != "true" ] ; then
  69                         display_error_message "The tag $short_refname is not included in any branch"
  70                         exit 1
  71                 fi
  72                 ;;
  73         refs/heads/*,commit)
  74                 # branch
  75                 ;;
  76         refs/heads/*,delete)
  77                 # delete branch
  78                 if [ "$allowdeletebranch" != "true" ]; then
  79                         echo "*** Deleting a branch is not allowed in this repository" >&2
  80                         exit 1
  81                 fi
  82                 ;;
  83         refs/remotes/*,commit)
  84                 # tracking branch
  85                 ;;
  86         refs/remotes/*,delete)
  87                 # delete tracking branch
  88                 if [ "$allowdeletebranch" != "true" ]; then
  89                         echo "*** Deleting a tracking branch is not allowed in this repository" >&2
  90                         exit 1
  91                 fi
  92                 ;;
  93         *)
  94                 # Anything else (is there anything else?)
  95                 echo "*** Update hook: unknown type of update to ref $refname of type $newrev_type" >&2
  96                 exit 1
  97                 ;;
  98 esac
  99
 100 # --- Finished
 101 exit 0