update

   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 # To enable this hook, rename this file to "update".
   7 #
   8 # Config
   9 # ------
  10 # hooks.allowunannotated
  11 #   This boolean sets whether unannotated tags will be allowed into the
  12 #   repository.  By default they won't be.
  13 # hooks.allowdeletetag
  14 #   This boolean sets whether deleting tags will be allowed in the
  15 #   repository.  By default they won't be.
  16 # hooks.allowdeletebranch
  17 #   This boolean sets whether deleting branches will be allowed in the
  18 #   repository.  By default they won't be.
  19 #
  20
  21 # --- Command line
  22 refname="$1"
  23 oldrev="$2"
  24 newrev="$3"
  25
  26 # --- Safety check
  27 if [ -z "$GIT_DIR" ]; then
  28         echo "Don't run this script from the command line." >&2
  29         echo " (if you want, you could supply GIT_DIR then run" >&2
  30         echo "  $0 <ref> <oldrev> <newrev>)" >&2
  31         exit 1
  32 fi
  33
  34 if [ -z "$refname" -o -z "$oldrev" -o -z "$newrev" ]; then
  35         echo "Usage: $0 <ref> <oldrev> <newrev>" >&2
  36         exit 1
  37 fi
  38
  39 # --- Config
  40 allowunannotated=$(git config --bool hooks.allowunannotated)
  41 allowdeletebranch=$(git config --bool hooks.allowdeletebranch)
  42 allowdeletetag=$(git config --bool hooks.allowdeletetag)
  43 allownonfastfwd=$(git config --bool hooks.allownonfastfwd)
  44
  45 # check for no description
  46 projectdesc=$(sed -e '1q' "$GIT_DIR/description")
  47 if [ -z "$projectdesc" -o "$projectdesc" = "Unnamed repository; edit this file to name it for gitweb." ]; then
  48         echo "*** Project description file hasn't been set" >&2
  49         exit 1
  50 fi
  51
  52 # --- Check types
  53 # if $newrev is 0000...0000, it's a commit to delete a ref.
  54 if [ "$newrev" = "0000000000000000000000000000000000000000" ]; then
  55         newrev_type=delete
  56 else
  57         newrev_type=$(git cat-file -t $newrev)
  58 fi
  59
  60 case "$refname","$newrev_type" in
  61         refs/tags/*,commit)
  62                 # un-annotated tag
  63                 short_refname=${refname##refs/tags/}
  64                 if [ "$allowunannotated" != "true" ]; then
  65                         echo "*** The un-annotated tag, $short_refname, is not allowed in this repository" >&2
  66                         echo "*** Use 'git tag [ -a | -s ]' for tags you want to propagate." >&2
  67                         exit 1
  68                 fi
  69                 ;;
  70         refs/tags/*,delete)
  71                 # delete tag
  72                 if [ "$allowdeletetag" != "true" ]; then
  73                         echo "*** Deleting a tag is not allowed in this repository" >&2
  74                         exit 1
  75                 fi
  76                 ;;
  77         refs/tags/*,tag)
  78                 # annotated tag
  79                 ;;
  80         refs/heads/*,commit)
  81                 # branch
  82                 if [ -n "$(git rev-list $newrev..$oldrev 2>/dev/null)" -a "$allownonfastfwd" != "true" ]; then
  83                         echo "*** Non fast forward pushes are not allowed in this repository" >&2
  84                         exit 1
  85                 fi
  86                 ;;
  87         refs/heads/*,delete)
  88                 # delete branch
  89                 if [ "$allowdeletebranch" != "true" ]; then
  90                         echo "*** Deleting a branch is not allowed in this repository" >&2
  91                         exit 1
  92                 fi
  93                 ;;
  94         refs/remotes/*,commit)
  95                 # tracking branch
  96                 ;;
  97         refs/remotes/*,delete)
  98                 # delete tracking branch
  99                 if [ "$allowdeletebranch" != "true" ]; then
 100                         echo "*** Deleting a tracking branch is not allowed in this repository" >&2
 101                         exit 1
 102                 fi
 103                 ;;
 104         *)
 105                 # Anything else (is there anything else?)
 106                 echo "*** Update hook: unknown type of update to ref $refname of type $newrev_type" >&2
 107                 exit 1
 108                 ;;
 109 esac
 110
 111 # --- Finished
 112 exit 0