Use the following command:
```
$ GREP_SED="\(repo\.salt\)stack\.com" \
&& grep -rl --exclude-dir=.git "${GREP_SED}" \
| grep -v .un~$ \
| xargs sed -i -e "/${GREP_SED}/s//\1project.io/g"
```
Use the following command:
```
$ GREP_SED="\(repo\.salt\)stack\.com" \
&& grep -rl --exclude-dir=.git "${GREP_SED}" \
| grep -v .un~$ \
| xargs sed -i -e "/${GREP_SED}/s//\1project.io/g"
```