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#!/bin/sh
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USAGE='<tag>'
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SUBDIRECTORY_OK='Yes'
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. git-sh-setup
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verbose=
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while test $# != 0
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do
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case "$1" in
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-v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
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verbose=t ;;
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*)
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break ;;
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esac
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shift
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done
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if [ "$#" != "1" ]
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then
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usage
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fi
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type="$(git cat-file -t "$1" 2>/dev/null)" ||
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die "$1: no such object."
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test "$type" = tag ||
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die "$1: cannot verify a non-tag object of type $type."
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case "$verbose" in
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t)
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git cat-file -p "$1" |
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sed -n -e '/^-----BEGIN PGP SIGNATURE-----/q' -e p
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;;
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esac
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trap 'rm -f "$GIT_DIR/.tmp-vtag"' 0
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git cat-file tag "$1" >"$GIT_DIR/.tmp-vtag" || exit 1
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sed -n -e '
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/^-----BEGIN PGP SIGNATURE-----$/q
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p
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' <"$GIT_DIR/.tmp-vtag" |
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gpg --verify "$GIT_DIR/.tmp-vtag" - || exit 1
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rm -f "$GIT_DIR/.tmp-vtag"
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