From eaea71237665f8ccc44a94ccbb564ff8255d485d Mon Sep 17 00:00:00 2001
From: Nachum Barcohen <38861757+nabaco@users.noreply.github.com>
Date: Fri, 20 Jan 2023 04:30:05 +0200
Subject: [PATCH] Accept +num flag for opening at line number

---
 helix-term/src/args.rs | 15 +++++++++++++++
 helix-term/src/main.rs |  1 +
 2 files changed, 16 insertions(+)

diff --git a/helix-term/src/args.rs b/helix-term/src/args.rs
index dd787f1fd18c..083aa322da87 100644
--- a/helix-term/src/args.rs
+++ b/helix-term/src/args.rs
@@ -17,6 +17,7 @@ pub struct Args {
     pub log_file: Option<PathBuf>,
     pub config_file: Option<PathBuf>,
     pub files: Vec<(PathBuf, Position)>,
+    pub line_number: usize,
 }
 
 impl Args {
@@ -73,6 +74,16 @@ impl Args {
                         }
                     }
                 }
+                arg if arg.starts_with('+') => {
+                    let arg = arg.get(1..).unwrap();
+                    args.line_number = match arg.parse() {
+                        Ok(n) => n,
+                        _ => anyhow::bail!("bad line number after +"),
+                    };
+                    if args.line_number > 0 {
+                        args.line_number -= 1;
+                    }
+                }
                 arg => args.files.push(parse_file(arg)),
             }
         }
@@ -82,6 +93,10 @@ impl Args {
             args.files.push(parse_file(&arg));
         }
 
+        if let Some(file) = args.files.first_mut() {
+            file.1.row = args.line_number;
+        }
+
         Ok(args)
     }
 }
diff --git a/helix-term/src/main.rs b/helix-term/src/main.rs
index aac5c5379f37..22e1e8ce5256 100644
--- a/helix-term/src/main.rs
+++ b/helix-term/src/main.rs
@@ -73,6 +73,7 @@ FLAGS:
     -V, --version                  Prints version information
     --vsplit                       Splits all given files vertically into different windows
     --hsplit                       Splits all given files horizontally into different windows
+    +N                             Goto line number N
 ",
         env!("CARGO_PKG_NAME"),
         VERSION_AND_GIT_HASH,