feat(actions): dump the terminal screen into a file (#1375)

* Initial commit for fixing #1353

* adding a new line between the lines_above and the viewport

* changes following code review

* implementing a test case for the dump screen

* implemented test case for dump_screen

* better regexp replace

* fixes following code review

* style(api): remove extraneous method in plugin pane

* style(fmt): rustfmt

* style(tests): fix method name

Co-authored-by: Aram Drevekenin <aram@poor.dev>

1 files changed, 14 insertions, 0 deletions

diff --git a/zellij-server/src/os_input_output.rs b/zellij-server/src/os_input_output.rs
index 7905a6e3e..1e43e47fa 100644
--- a/zellij-server/src/os_input_output.rs
+++ b/zellij-server/src/os_input_output.rs
@@ -1,6 +1,8 @@
 use std::collections::HashMap;
+use std::{fs::File, io::Write};
 
 use crate::panes::PaneId;
+use zellij_utils::tempfile::tempfile;
 
 use std::env;
 use std::os::unix::io::RawFd;
@@ -268,6 +270,8 @@ pub trait ServerOsApi: Send + Sync {
     fn load_palette(&self) -> Palette;
     /// Returns the current working directory for a given pid
     fn get_cwd(&self, pid: Pid) -> Option<PathBuf>;
+    /// Writes the given buffer to a string
+    fn write_to_file(&mut self, buf: String, file: Option<String>);
 }
 
 impl ServerOsApi for ServerOsInputOutput {
@@ -345,6 +349,16 @@ impl ServerOsApi for ServerOsInputOutput {
         }
         None
     }
+    fn write_to_file(&mut self, buf: String, name: Option<String>) {
+        let mut f: File;
+        match name {
+            Some(x) => f = File::create(x).unwrap(),
+            None => f = tempfile().unwrap(),
+        }
+        if let Err(e) = write!(f, "{}", buf) {
+            log::error!("could not write to file: {}", e);
+        }
+    }
 }
 
 impl Clone for Box<dyn ServerOsApi> {