Add git_staged as a config option.

hooked-config/source/config/pre_commit.rs

@@ -8,6 +8,10 @@ use crate::{ExitAction, Task};
 #[derive(Debug, Deserialize, Serialize)]
 #[serde(deny_unknown_fields)]
 pub struct PreCommit {
+  /// List of globs to check against staged files.
+  #[serde(default)]
+  pub git_staged: Vec<String>,
+
   /// Display name for this hook.
   pub name: Option<String>,
 

hooked-config/tests/parsing/with-hooks.toml

@@ -5,6 +5,7 @@ template = "test.sh"
 [[pre_commit]]
 name = "Pre Commit 1"
 command = "exit 0"
+git_staged = ["*.txt"]
 on_failure = "continue"
 
 [[pre_commit]]

hooked-config/tests/serialize.rs

@@ -8,6 +8,7 @@ use insta::assert_snapshot;
 #[test]
 fn test_serialize() {
   let pre_commit_command = PreCommit {
+    git_staged: vec!["*.txt".to_string()],
     name: Some("Command Test".to_string()),
     on_failure: ExitAction::Continue,
     task: Task {
@@ -17,6 +18,7 @@ fn test_serialize() {
   };
 
   let pre_commit_script = PreCommit {
+    git_staged: vec![],
     name: Some("Script Test".to_string()),
     on_failure: ExitAction::Stop,
     task: Task {

hooked-config/tests/snapshots/parsing__defaults.snap

@@ -10,6 +10,7 @@ Config {
     },
     pre_commit: [
         PreCommit {
+            git_staged: [],
             name: None,
             on_failure: Stop,
             task: Task {

hooked-config/tests/snapshots/parsing__with-hooks.snap

@@ -12,6 +12,9 @@ Config {
     },
     pre_commit: [
         PreCommit {
+            git_staged: [
+                "*.txt",
+            ],
             name: Some(
                 "Pre Commit 1",
             ),
@@ -24,6 +27,7 @@ Config {
             },
         },
         PreCommit {
+            git_staged: [],
             name: Some(
                 "Pre Commit 2",
             ),

hooked-config/tests/snapshots/serialize__serialize.snap

@@ -7,11 +7,13 @@ config = 'Hooked.toml'
 directory = 'hooks'
 
 [[pre_commit]]
+git_staged = ['*.txt']
 name = 'Command Test'
 on_failure = 'continue'
 command = 'exit 0'
 
 [[pre_commit]]
+git_staged = []
 name = 'Script Test'
 on_failure = 'stop'
 script = 'test.sh'