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#!/bin/bash | |
USAGE="USAGE: git append TEXT_TO_APPEND NUMBER_OF_COMMITS\nExample: git append \"#3301\" 5" | |
show_usage () { | |
echo -e "\n$USAGE" | |
} | |
case $1 in | |
help | -h | "/?") | |
show_usage | |
exit 1 | |
esac | |
if [ x = x${1} ] && [ x = x${2} ]; then | |
echo ">>> Both parameters are empty." | |
show_usage | |
exit 1 | |
fi | |
if [ x = x${2} ]; then | |
echo ">>> Second parameter is empty." | |
show_usage | |
exit 1 | |
fi | |
# Check if is integer | |
# https://unix.stackexchange.com/questions/151654/checking-if-an-input-number-is-an-integer | |
if ! [ "$2" -eq "$2" ] 2> /dev/null | |
then | |
echo ">>> Second parameter must be an integer!" | |
show_usage | |
exit 1 | |
fi | |
echo "You want to append text: \"$1\" to last $2 commits." | |
# https://stackoverflow.com/questions/226703/how-do-i-prompt-for-yes-no-cancel-input-in-a-linux-shell-script | |
while true; do | |
read -p "Do you want to continue [y/n]? " yn | |
case $yn in | |
[Yy]* ) git filter-branch -f --msg-filter 'sed "s/\(.*\)/\1 '$1'/g"' HEAD~$2..HEAD; break;; | |
[Nn]* ) exit;; | |
* ) echo "Please answer yes [y] or no [n].";; | |
esac | |
done |
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