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git/git-tag.sh
Adam Roben ef0c2abf3e Add GIT_EDITOR environment and core.editor configuration variables
These variables let you specify an editor that will be launched in
preference to the EDITOR and VISUAL environment variables. The order
of preference is GIT_EDITOR, core.editor, EDITOR, VISUAL.

[jc: added a test and config variable documentation]

Signed-off-by: Adam Roben <aroben@apple.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-07-20 00:46:34 -07:00

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#!/bin/sh
# Copyright (c) 2005 Linus Torvalds
USAGE='[-n [<num>]] -l [<pattern>] | [-a | -s | -u <key-id>] [-f | -d | -v] [-m <msg>] <tagname> [<head>]'
SUBDIRECTORY_OK='Yes'
. git-sh-setup
message_given=
annotate=
signed=
force=
message=
username=
list=
verify=
LINES=0
while case "$#" in 0) break ;; esac
do
case "$1" in
-a)
annotate=1
shift
;;
-s)
annotate=1
signed=1
shift
;;
-f)
force=1
shift
;;
-n)
case "$#,$2" in
1,* | *,-*)
LINES=1 # no argument
;;
*) shift
LINES=$(expr "$1" : '\([0-9]*\)')
[ -z "$LINES" ] && LINES=1 # 1 line is default when -n is used
;;
esac
shift
;;
-l)
list=1
shift
case $# in
0) PATTERN=
;;
*)
PATTERN="$1" # select tags by shell pattern, not re
shift
;;
esac
git rev-parse --symbolic --tags | sort |
while read TAG
do
case "$TAG" in
*$PATTERN*) ;;
*) continue ;;
esac
[ "$LINES" -le 0 ] && { echo "$TAG"; continue ;}
OBJTYPE=$(git cat-file -t "$TAG")
case $OBJTYPE in
tag)
ANNOTATION=$(git cat-file tag "$TAG" |
sed -e '1,/^$/d' |
sed -n -e "
/^-----BEGIN PGP SIGNATURE-----\$/q
2,\$s/^/ /
p
${LINES}q
")
printf "%-15s %s\n" "$TAG" "$ANNOTATION"
;;
*) echo "$TAG"
;;
esac
done
;;
-m)
annotate=1
shift
message="$1"
if test "$#" = "0"; then
die "error: option -m needs an argument"
else
message="$1"
message_given=1
shift
fi
;;
-F)
annotate=1
shift
if test "$#" = "0"; then
die "error: option -F needs an argument"
else
message="$(cat "$1")"
message_given=1
shift
fi
;;
-u)
annotate=1
signed=1
shift
if test "$#" = "0"; then
die "error: option -u needs an argument"
else
username="$1"
shift
fi
;;
-d)
shift
had_error=0
for tag
do
cur=$(git show-ref --verify --hash -- "refs/tags/$tag") || {
echo >&2 "Seriously, what tag are you talking about?"
had_error=1
continue
}
git update-ref -m 'tag: delete' -d "refs/tags/$tag" "$cur" || {
had_error=1
continue
}
echo "Deleted tag $tag."
done
exit $had_error
;;
-v)
shift
tag_name="$1"
tag=$(git show-ref --verify --hash -- "refs/tags/$tag_name") ||
die "Seriously, what tag are you talking about?"
git-verify-tag -v "$tag"
exit $?
;;
-*)
usage
;;
*)
break
;;
esac
done
[ -n "$list" ] && exit 0
name="$1"
[ "$name" ] || usage
prev=0000000000000000000000000000000000000000
if git show-ref --verify --quiet -- "refs/tags/$name"
then
test -n "$force" || die "tag '$name' already exists"
prev=`git rev-parse "refs/tags/$name"`
fi
shift
git check-ref-format "tags/$name" ||
die "we do not like '$name' as a tag name."
object=$(git rev-parse --verify --default HEAD "$@") || exit 1
type=$(git cat-file -t $object) || exit 1
tagger=$(git-var GIT_COMMITTER_IDENT) || exit 1
test -n "$username" ||
username=$(git repo-config user.signingkey) ||
username=$(expr "z$tagger" : 'z\(.*>\)')
trap 'rm -f "$GIT_DIR"/TAG_TMP* "$GIT_DIR"/TAG_FINALMSG "$GIT_DIR"/TAG_EDITMSG' 0
if [ "$annotate" ]; then
if [ -z "$message_given" ]; then
( echo "#"
echo "# Write a tag message"
echo "#" ) > "$GIT_DIR"/TAG_EDITMSG
git_editor "$GIT_DIR"/TAG_EDITMSG || exit
else
printf '%s\n' "$message" >"$GIT_DIR"/TAG_EDITMSG
fi
grep -v '^#' <"$GIT_DIR"/TAG_EDITMSG |
git stripspace >"$GIT_DIR"/TAG_FINALMSG
[ -s "$GIT_DIR"/TAG_FINALMSG -o -n "$message_given" ] || {
echo >&2 "No tag message?"
exit 1
}
( printf 'object %s\ntype %s\ntag %s\ntagger %s\n\n' \
"$object" "$type" "$name" "$tagger";
cat "$GIT_DIR"/TAG_FINALMSG ) >"$GIT_DIR"/TAG_TMP
rm -f "$GIT_DIR"/TAG_TMP.asc "$GIT_DIR"/TAG_FINALMSG
if [ "$signed" ]; then
gpg -bsa -u "$username" "$GIT_DIR"/TAG_TMP &&
cat "$GIT_DIR"/TAG_TMP.asc >>"$GIT_DIR"/TAG_TMP ||
die "failed to sign the tag with GPG."
fi
object=$(git-mktag < "$GIT_DIR"/TAG_TMP)
fi
git update-ref "refs/tags/$name" "$object" "$prev"