From 399ba167710d13f52bd3892af6c966702ccbdb89 Mon Sep 17 00:00:00 2001
From: Hatter Jiang <jht5945@gmail.com>
Date: Sun, 19 Jul 2020 22:00:53 +0800
Subject: [PATCH] chore(commit-msg.crs): add  verbose output

---
 scripts/commit-msg.crs | 34 ++++++++++++++++++++++++----------
 1 file changed, 24 insertions(+), 10 deletions(-)

diff --git a/scripts/commit-msg.crs b/scripts/commit-msg.crs
index a432ef5..b5a71f9 100755
--- a/scripts/commit-msg.crs
+++ b/scripts/commit-msg.crs
@@ -23,6 +23,7 @@ const DEFAULT_COMMIT_MSG_REGEXP: &str = "^(feat|fix|docs|style|refactor|test|cho
 /// Install:
 /// `commit-msg.crs install`
 fn main() {
+    if is_verbose() { print_info(&format!("Arguments:\n- {}", env::args().collect::<Vec<_>>().join("\n- "))); }
     let arg1 = env::args().nth(1).unwrap_or_else(|| {
         exit_with_error_message("Commit message is EMPTY!");
     });
@@ -59,6 +60,10 @@ fn main() {
     }
 }
 
+fn is_verbose() -> bool {
+    if let Ok(v) = env::var("VERBOSE") { v == "1" } else { false }
+}
+
 fn print_usage() {
     if let Some(usage) = get_commit_msg_usage() {
         print_info(&usage); return;
@@ -92,7 +97,9 @@ fn search_git_root_path() -> Option<PathBuf> {
         exit_with_error_message(&format!("Get current dir failed: {}", e))
     );
     loop {
+        if is_verbose() { print_info(&format!("Check git path: {:?}", p)); }
         if p.join(".git").is_dir() {
+            if is_verbose() { print_ok(&format!("Found git path: {:?}", p)); }
             return Some(p);
         }
         if !p.pop() { return None; }
@@ -111,18 +118,21 @@ fn get_home_e() -> PathBuf {
 
 fn get_commit_msg_file(file: &str) -> Option<String> {
     let settings_regexp = search_git_root_path_e().join("settings").join(file);
+    if is_verbose() { print_info(&format!("Check file: {:?}, exists: {}", settings_regexp, settings_regexp.exists())); }
     if settings_regexp.exists() {
         print_info(&format!("Found file: {:?}", settings_regexp));
         return Some(fs::read_to_string(settings_regexp).unwrap());
     }
 
     let path_regexp = search_git_root_path_e().join(".git").join("hooks").join(file);
+    if is_verbose() { print_info(&format!("Check file: {:?}, exists: {}", path_regexp, path_regexp.exists())); }
     if path_regexp.exists() {
         print_info(&format!("Found file: {:?}", path_regexp));
         return Some(fs::read_to_string(path_regexp).unwrap());
     }
 
     let home_path_regexp = get_home_e().join(&(".".to_owned() + file));
+    if is_verbose() { print_info(&format!("Check file: {:?}, exists: {}", home_path_regexp, home_path_regexp.exists())); }
     if home_path_regexp.exists() {
         print_info(&format!("Found file: {:?}", home_path_regexp));
         return Some(fs::read_to_string(home_path_regexp).unwrap());
@@ -139,6 +149,19 @@ fn get_commit_msg_usage() -> Option<String> {
     get_commit_msg_file("commit-msg-regexp-usage")
 }
 
+fn copy_file_and_apply_executable_permission(from: &PathBuf, to: &PathBuf) {
+    print_info(&format!("Copy file: {:?} to: {:?}", from, to));
+    let from_content = fs::read(&from).unwrap_or_else(|e|
+        exit_with_error_message(&format!("Read file: {:?}, failed: {}", from, e))
+    );
+    fs::write(to, from_content).unwrap_or_else(|e|
+        exit_with_error_message(&format!("Write file: {:?}, failed: {}", to, e))
+    );
+    fs::set_permissions(to, PermissionsExt::from_mode(0o755)).unwrap_or_else(|e|
+        exit_with_error_message(&format!("Apply executable permission on file: {:?}, failed: {}", to, e))
+    );
+}
+
 fn install_commit_msg(force: bool) {
     let commit_msg_crs = get_home_e().join("bin").join("commit-msg.crs");
     let commig_msg_exec_file = if commit_msg_crs.exists() {
@@ -157,16 +180,7 @@ fn install_commit_msg(force: bool) {
         exit_with_error_message(&format!("File {:?} exists! or try {}forceinstall{}.", git_hooks_commit_msg, BOLD, END));
     }
 
-    print_info(&format!("Copy file: {:?} to: {:?}", commig_msg_exec_file, git_hooks_commit_msg));
-    let commig_msg_exec_file_content = fs::read(&commig_msg_exec_file).unwrap_or_else(|e|
-        exit_with_error_message(&format!("Read file: {:?}, failed: {}", commig_msg_exec_file, e))
-    );
-    fs::write(&git_hooks_commit_msg, commig_msg_exec_file_content).unwrap_or_else(|e|
-        exit_with_error_message(&format!("Write file: {:?}, failed: {}", git_hooks_commit_msg, e))
-    );
-    fs::set_permissions(&git_hooks_commit_msg, PermissionsExt::from_mode(0o755)).unwrap_or_else(|e|
-        exit_with_error_message(&format!("Apply executable permission on file: {:?}, failed: {}", git_hooks_commit_msg, e))
-    );
+    copy_file_and_apply_executable_permission(&commig_msg_exec_file, &git_hooks_commit_msg);
 
     print_ok("Install commit-msg to repo successed!");
 }