f4609b896f
This also bumps the stable nixpkgs to 20.09 as of 2020-11-21, because there is some breakage in the git build related to the netrc credentials helper which someone has taken care of in nixpkgs. The stable channel is not used for anything other than git, so this should be fine. Change-Id: I3575a19dab09e1e9556cf8231d717de9890484fb
128 lines
3.6 KiB
Bash
Executable file
128 lines
3.6 KiB
Bash
Executable file
#!/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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# --- Command line
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refname="$1"
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oldrev="$2"
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newrev="$3"
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# --- Safety check
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if [ -z "$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 " $0 <ref> <oldrev> <newrev>)" >&2
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exit 1
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fi
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if [ -z "$refname" -o -z "$oldrev" -o -z "$newrev" ]; then
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echo "usage: $0 <ref> <oldrev> <newrev>" >&2
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exit 1
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fi
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# --- Config
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allowunannotated=$(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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# 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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# --- 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 $newrev)
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fi
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case "$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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# --- Finished
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exit 0
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