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-#!/bin/sh
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-#
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-# An example hook script to block unannotated tags from entering.
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-# Called by "git receive-pack" with arguments: refname sha1-old sha1-new
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-#
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-# To enable this hook, rename this file to "update".
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-#
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-# Config
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-# ------
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-# hooks.allowunannotated
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-# This boolean sets whether unannotated tags will be allowed into the
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-# repository. By default they won't be.
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-# hooks.allowdeletetag
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-# This boolean sets whether deleting tags will be allowed in the
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-# repository. By default they won't be.
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-# hooks.allowmodifytag
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-# This boolean sets whether a tag may be modified after creation. By default
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-# it won't be.
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-# hooks.allowdeletebranch
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-# This boolean sets whether deleting branches will be allowed in the
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-# repository. By default they won't be.
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-# hooks.denycreatebranch
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-# This boolean sets whether remotely creating branches will be denied
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-# in the repository. By default this is allowed.
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-#
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-
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-# --- Command line
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-refname="$1"
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-oldrev="$2"
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-newrev="$3"
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-
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-# --- Safety check
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-if [ -z "$GIT_DIR" ]; then
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- echo "Don't run this script from the command line." >&2
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- echo " (if you want, you could supply GIT_DIR then run" >&2
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- echo " $0 <ref> <oldrev> <newrev>)" >&2
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- exit 1
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-fi
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-
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-if [ -z "$refname" -o -z "$oldrev" -o -z "$newrev" ]; then
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- echo "usage: $0 <ref> <oldrev> <newrev>" >&2
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- exit 1
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-fi
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-
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-# --- Config
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-allowunannotated=$(git config --type=bool hooks.allowunannotated)
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-allowdeletebranch=$(git config --type=bool hooks.allowdeletebranch)
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-denycreatebranch=$(git config --type=bool hooks.denycreatebranch)
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-allowdeletetag=$(git config --type=bool hooks.allowdeletetag)
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-allowmodifytag=$(git config --type=bool hooks.allowmodifytag)
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-
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-# check for no description
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-projectdesc=$(sed -e '1q' "$GIT_DIR/description")
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-case "$projectdesc" in
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-"Unnamed repository"* | "")
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- echo "*** Project description file hasn't been set" >&2
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- exit 1
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- ;;
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-esac
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-
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-# --- Check types
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-# if $newrev is 0000...0000, it's a commit to delete a ref.
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-zero=$(git hash-object --stdin </dev/null | tr '[0-9a-f]' '0')
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-if [ "$newrev" = "$zero" ]; then
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- newrev_type=delete
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-else
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- newrev_type=$(git cat-file -t $newrev)
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-fi
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-
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-case "$refname","$newrev_type" in
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- refs/tags/*,commit)
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- # un-annotated tag
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- short_refname=${refname##refs/tags/}
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- if [ "$allowunannotated" != "true" ]; then
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- echo "*** The un-annotated tag, $short_refname, is not allowed in this repository" >&2
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- echo "*** Use 'git tag [ -a | -s ]' for tags you want to propagate." >&2
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- exit 1
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- fi
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- ;;
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- refs/tags/*,delete)
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- # delete tag
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- if [ "$allowdeletetag" != "true" ]; then
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- echo "*** Deleting a tag is not allowed in this repository" >&2
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- exit 1
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- fi
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- ;;
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- refs/tags/*,tag)
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- # annotated tag
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- if [ "$allowmodifytag" != "true" ] && git rev-parse $refname > /dev/null 2>&1
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- then
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- echo "*** Tag '$refname' already exists." >&2
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- echo "*** Modifying a tag is not allowed in this repository." >&2
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- exit 1
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- fi
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- ;;
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- refs/heads/*,commit)
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- # branch
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- if [ "$oldrev" = "$zero" -a "$denycreatebranch" = "true" ]; then
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- echo "*** Creating a branch is not allowed in this repository" >&2
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- exit 1
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- fi
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- ;;
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- refs/heads/*,delete)
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- # delete branch
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- if [ "$allowdeletebranch" != "true" ]; then
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- echo "*** Deleting a branch is not allowed in this repository" >&2
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- exit 1
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- fi
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- ;;
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- refs/remotes/*,commit)
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- # tracking branch
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- ;;
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- refs/remotes/*,delete)
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- # delete tracking branch
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- if [ "$allowdeletebranch" != "true" ]; then
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- echo "*** Deleting a tracking branch is not allowed in this repository" >&2
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- exit 1
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- fi
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- ;;
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- *)
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- # Anything else (is there anything else?)
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- echo "*** Update hook: unknown type of update to ref $refname of type $newrev_type" >&2
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- exit 1
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- ;;
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-esac
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-
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-# --- Finished
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-exit 0
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