streams-ops/bump-tag

#!/bin/bash

set -e

test -f cosmos.conf && . ./cosmos.conf

echo "Fetching any updates from server:"
git pull
echo ""

if [ "x$1" = "x" ]; then
    deftag=`basename $PWD`
else
    deftag="$1"
fi
tagpfx=${tag:="$deftag"}

last_tag=`git tag -l "${tagpfx}-*"|sort|tail -1`

echo "Verifying last tag $last_tag:"
(git tag -v $last_tag | grep ^gpg:) || true
# again to not mask exit status of git with grep
git tag -v $last_tag > /dev/null 2>&1
echo ""

echo "Differences between tag $last_tag and what you are about to sign:"
this_branch=$(git rev-parse --abbrev-ref HEAD)
PAGER=cat git diff --color $last_tag..$this_branch

iter=1
ok=
while test -z "$ok"; do
    this_tag=$(date +${tagpfx}-%Y-%m-%d-v`printf "%02d" $iter`)
    iter=`expr $iter + 1`
    case `(echo $this_tag; echo $last_tag) | sort | tail -1` in
	$last_tag)
	    ;;
	$this_tag)
	    ok=yes
	    ;;
    esac
done

if [ "$deftag" != "$tagpfx" ]; then
    echo -e "Using new tag \e[94m$this_tag\e[0m according to pattern in cosmos.conf"
else
    echo -e "Using new tag \e[94m$this_tag\e[0m"
fi

echo -e "\e[1mONLY SIGN IF YOU APPROVE OF VERIFICATION AND DIFF ABOVE\e[0m"

# GITTAGEXTRA is for putting things like "-u 2117364A"

git tag $GITTAGEXTRA -m bump. -s $this_tag

git push
git push --tags