Use shell-words crate to parse HDC_PAGER variable.

Now it is possible to use shell command with HDC_PAGER="sh -c '...'".

Author: ayosec

Cargo.lock

@@ -16,6 +16,7 @@ gumdrop = "0.8.0"
 reqwest = { version = "0.10.9", features = ["json"] }
 serde = { version = "1.0.117", features = ["derive"] }
 serde_json = "1.0.59"
+shell-words = "1.0.0"
 terminal_size = "0.1.15"
 textwrap = { version = "0.12", features = ["terminal_size"] }
 tokio = { version = "0.2", features = ["rt-threaded", "io-util", "io-std"] }

Cargo.toml

@@ -13,10 +13,15 @@ pub fn command(repository: Option<&str>) -> Option<Command> {
     }
 
     let pager_var = env::var(PAGER_ENV);
-    let mut pager_args = pager_var
-        .as_deref()
-        .unwrap_or(DEFAULT_PAGER)
-        .split_whitespace();
+    let pager_args = pager_var.as_deref().unwrap_or(DEFAULT_PAGER);
+
+    let mut pager_args = match shell_words::split(pager_args) {
+        Ok(words) => words.into_iter(),
+        Err(e) => {
+            eprintln!("Failed to parse $HDC_PAGER: {:?}", e);
+            return None;
+        }
+    };
 
     let mut cmd = Command::new(pager_args.next()?);