fernandomora · September 12, 2016 22:40
diff --git a/git-author-rewrite b/git-author-rewrite
 #!/usr/bin/env bash

 # see https://help.github.com/articles/changing-author-info/

 NAME=`basename ${BASH_SOURCE[0]}`
 DESCRIPTION="Change any commits that previously had the old email address in its author or committer fields to use the correct name and email address."

 # Define help function
 function help(){
    if [[ -z "$1" ]]; then echo "${NAME}: ${DESCRIPTION}"; else echo ${NAME}: $1; fi
    # echo "${NAME} - ${DESCRIPTION}";
    echo "Usage example: ${NAME} -o value -n value -e value";
    echo "Options:";
    echo "  -o: OLD_EMAIL. Required.";
    echo "  -n: CORRECT_NAME. Required.";
    echo "  -e: CORRECT_EMAIL. Required.";
    exit 1;
 }
 
 while getopts ":o:n:e:h" optname
 do
    case "$optname" in
      "h")
        help
        ;;  
      "o")
        OLD_EMAIL=$OPTARG
        ;;
      "n")
        CORRECT_NAME=$OPTARG
        ;;
      "e")
        CORRECT_EMAIL=$OPTARG
        ;;
      "?")
        help "Invalid option: -$OPTARG"
        ;;
      ":")
        help "Option -$OPTARG requires an argument."
        ;;
      *)
        help "Unknown error while processing options"
        ;;
    esac
 done

 shift $((OPTIND-1))

 # Check required arguments
 if [[ -z "$OLD_EMAIL" ]]; then help "Option -o is required"; fi
 if [[ -z "$CORRECT_NAME" ]]; then help "Option -n is required"; fi
 if [[ -z "$CORRECT_EMAIL" ]]; then help "Option -e is required"; fi    

 echo \'$OLD_EMAIL\' \'$CORRECT_NAME\' \'$CORRECT_EMAIL\'

 git filter-branch --env-filter $'
 OLD_EMAIL="'$OLD_EMAIL$'"
 CORRECT_NAME="'$CORRECT_NAME$'"
 CORRECT_EMAIL="'$CORRECT_EMAIL$'"
 if [ "$GIT_COMMITTER_EMAIL" = "$OLD_EMAIL" ]
 then
    export GIT_COMMITTER_NAME="$CORRECT_NAME"
    export GIT_COMMITTER_EMAIL="$CORRECT_EMAIL"
 fi
 if [ "$GIT_AUTHOR_EMAIL" = "$OLD_EMAIL" ]
 then
    export GIT_AUTHOR_NAME="$CORRECT_NAME"
    export GIT_AUTHOR_EMAIL="$CORRECT_EMAIL"
 fi
 ' --tag-name-filter cat -- --branches --tags
	#!/usr/bin/env bash

	# see https://help.github.com/articles/changing-author-info/

	NAME=`basename ${BASH_SOURCE[0]}`
	DESCRIPTION="Change any commits that previously had the old email address in its author or committer fields to use the correct name and email address."

	# Define help function
	function help(){
	if [[ -z "$1" ]]; then echo "${NAME}: ${DESCRIPTION}"; else echo ${NAME}: $1; fi
	# echo "${NAME} - ${DESCRIPTION}";
	echo "Usage example: ${NAME} -o value -n value -e value";
	echo "Options:";
	echo " -o: OLD_EMAIL. Required.";
	echo " -n: CORRECT_NAME. Required.";
	echo " -e: CORRECT_EMAIL. Required.";
	exit 1;
	}

	while getopts ":o:n:e:h" optname
	do
	case "$optname" in
	"h")
	help
	;;
	"o")
	OLD_EMAIL=$OPTARG
	;;
	"n")
	CORRECT_NAME=$OPTARG
	;;
	"e")
	CORRECT_EMAIL=$OPTARG
	;;
	"?")
	help "Invalid option: -$OPTARG"
	;;
	":")
	help "Option -$OPTARG requires an argument."
	;;
	*)
	help "Unknown error while processing options"
	;;
	esac
	done

	shift $((OPTIND-1))

	# Check required arguments
	if [[ -z "$OLD_EMAIL" ]]; then help "Option -o is required"; fi
	if [[ -z "$CORRECT_NAME" ]]; then help "Option -n is required"; fi
	if [[ -z "$CORRECT_EMAIL" ]]; then help "Option -e is required"; fi

	echo \'$OLD_EMAIL\' \'$CORRECT_NAME\' \'$CORRECT_EMAIL\'

	git filter-branch --env-filter $'
	OLD_EMAIL="'$OLD_EMAIL$'"
	CORRECT_NAME="'$CORRECT_NAME$'"
	CORRECT_EMAIL="'$CORRECT_EMAIL$'"
	if [ "$GIT_COMMITTER_EMAIL" = "$OLD_EMAIL" ]
	then
	export GIT_COMMITTER_NAME="$CORRECT_NAME"
	export GIT_COMMITTER_EMAIL="$CORRECT_EMAIL"
	fi
	if [ "$GIT_AUTHOR_EMAIL" = "$OLD_EMAIL" ]
	then
	export GIT_AUTHOR_NAME="$CORRECT_NAME"
	export GIT_AUTHOR_EMAIL="$CORRECT_EMAIL"
	fi
	' --tag-name-filter cat -- --branches --tags