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Smenus/git-rename-tag.sh

Created September 18, 2017 07:41
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git-rename-tag
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git-rename-tag.sh
#!/bin/sh
# I think this is run TAG="oldtag" NEWTAG="newtag" sh git-rename-tag.sh
# It should keep the same date, committer and message as the original tag
fmt='
tagcommit=%(objectname)
tagname=%(taggername)
tagemail=%(taggeremail)
tagdate=%(taggerdate)
tagmessage=%(contents)
GIT_COMMITTER_DATE="$tagdate" GIT_COMMITTER_NAME="$tagname" GIT_COMMITTER_EMAIL="$tagemail" git tag -m "$tagmessage" "$NEWTAG" $tagcommit
git tag -d "$TAG"
'
eval=`git for-each-ref "refs/tags/$TAG" --shell --format="$fmt"`
eval "$eval"
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