git-tag-remove

#!/bin/bash
# vi: ft=sh

REMOTE=$1
PIDS=()
ERROR_FILE=$(mktemp)

usage(){
    printf "USAGE: $0 <remote> tag1 tag2 ...\n"
    printf "Will delete all tags locally and on <remote> matching the given tags\n"
    
    exit 1
}

remove_tag(){
    git tag -d $1 2>>$ERROR_FILE &
    PIDS+=("$!") # saves all the short running tasks
    git push $REMOTE --delete $1 2>>$ERROR_FILE &
    PIDS+=("$!") # saves all the long running tasks
}

if [[ $# < 2 ]]; then 
    usage
fi

shift

while [[ "$1" != "" ]]; do
    remove_tag $1
    shift
done

printf "Waiting for ${#PIDS[*]} tasks to finish "
EXIT_STATUS=0
for PID in ${PIDS[*]}; do
    wait $PID
    let EXIT_STATUS+=$?
    printf "."
done
printf "\n"

printf "\nAll background tasks finished. "
if [[ $EXIT_STATUS > 0 ]]; then
    printf "Some errors occurred.\nSee %s for details\n" $ERROR_FILE
fi