Add support for picking up the previous commit message if it wasn't used

content/config/nushell/scripts/git.nu

@@ -312,14 +312,28 @@ export def gc [
     --all (-A)
     --amend (-a)
     --keep (-k)
+    --no-promt (-n)
 ] {
-    let m = $message | with-flag -m
     let a = if $all {[--all]} else {[]}
     let n = if $amend {[--amend]} else {[]}
     let k = if $keep {[--no-edit]} else {[]}
+    mut e = []
+
+    let previous = git_previous_message
+
+    mut message = $message
+
+    if $previous != null {
+        print $"Previous message:\n  ($previous)"
+
+        if (input -n 1 "Use previous message? [y/N]: " | str downcase) == "y" {
+            $message = $previous
+            $e = ["-e"]
+        }
+    }
 
-    if $message == null and (glob "*commitlint*" | length) > 0 {
-        let type = ([ci chore feat fix docs test refactor] | input list "Change type")
+    if $message == null and (glob "*commitlint*" | length) > 0 and not $no_promt {
+        let type = ([ci chore feat fix docs test refactor] | input list -f "Change type")
         let subject = input "Subject: "
         let message = input "Message: "
 
@@ -328,9 +342,9 @@ export def gc [
         }
 
         let message = if $subject != null and ($subject | str length) > 0 {
-            $"($type)\(($subject)\): ($message)"
+            $"# ($type)\(($subject)\): ($message)"
         } else {
-            $"($type): ($message)"
+            $"# ($type): ($message)"
         }
         print $"(ansi {attr: i})($message)(ansi reset)"
 
@@ -339,7 +353,8 @@ export def gc [
 
         git commit -v -e ...$m ...$a ...$n ...$k
     } else {
-        git commit -v ...$m ...$a ...$n ...$k
+        let m = $message | with-flag -m
+        git commit -v ...$m ...$a ...$n ...$k ...$e
     }
 }
 
@@ -719,3 +734,32 @@ def git_main_branch [] {
     | str replace --regex 'HEAD .*?[：: ](.+)' '$1'
 }
 
+
+def git_previous_message [] {
+    let msg_file = ".git/COMMIT_EDITMSG"
+
+    if not ($msg_file | path exists) {
+        return
+    }
+
+    let lines = open $msg_file | lines
+    if ($lines | is-empty) {
+        return
+    }
+    let msg_line = $lines | first
+
+    if $msg_line == null or ($msg_line | str trim | str length) == 0 {
+        return
+    }
+    let logs = gl
+
+    if ($logs | is-empty) {
+        return $msg_line
+    }
+    let last_commit_msg = $logs | last | get message
+
+    if $last_commit_msg =~ $"^($msg_line)" {
+        return
+    }
+    return $msg_line
+}