use commit over add to catch all cases (commit -am)

README.md

@@ -3,7 +3,7 @@
 Git plugin that helps prevent sensitive data from being committed by sniffing potential commits against regular expressions from a local `.githound.yml` file.
 
 ## How does it work?
-It runs the output of `git diff -U0` through the Hound, which matches every _added_ or _modified_ line against your provided list of regular expressions. This runs in O(m*n) time (where m is the number of lines and n is the number of patterns), so be sure to commit often. But you should be doing that anyway, right?
+Upon commit, it runs the output of `git diff -U0` through the Hound, which matches every _added_ or _modified_ line against your provided list of regular expressions. This runs in O(m*n) time (where m is the number of lines and n is the number of patterns), so be sure to commit often. But you should be doing that anyway, right?
 
 ## Installation
 To install Hound, please use `go get`. If you don't have Go installed, [get it here](https://golang.org/dl/). If you would like to grab a precompiled binary, head over to the [releases](https://github.com/ezekg/git-hound/releases) page. The precompiled Hound binaries have no external dependencies.
@@ -12,18 +12,19 @@ To install Hound, please use `go get`. If you don't have Go installed, [get it h
 go get github.com/ezekg/git-hound
 ```
 
-**Alias `git add` inside `~/.bash(rc|_profile)`:** _(optional)_
+**Alias `git commit` inside `~/.bash(rc|_profile)`:** _(optional)_
 ```bash
-alias git='_() { if [[ "$1" == "add" ]]; then git-hound "$@"; else git "$@"; fi }; _'
+alias git='_() { if [[ "$1" == "commit" ]]; then git-hound "$@"; else git "$@"; fi }; _'
 ```
 
 ## Usage
 ```bash
-git hound add <files>
-git add <files> # When using the optional alias above
+git hound commit ...
+git commit ... # When using the optional alias above
 ```
 
 ## Option flags
+These flags should be included inside of the `git` alias, if used.
 
 | Flag           | Type   | Default         | Usage                                      |
 | :------------- | :----- | :-------------- | :----------------------------------------- |

main.go

@@ -22,8 +22,6 @@ func main() {
 	hound := &Hound{Config: *config}
 	git := &Command{Bin: *bin}
 
-	out, code := git.Exec(flag.Args()...)
-
 	if _, ok := hound.New(); ok {
 		out, _ := git.Exec("diff", "-U0", "--staged")
 		fileDiffs, err := diff.ParseMultiFileDiff([]byte(out))
@@ -46,6 +44,7 @@ func main() {
 		}
 	}
 
+	out, code := git.Exec(flag.Args()...)
 	fmt.Print(out)
 	os.Exit(code)
 }