Improve error handling

1 files changed, 29 insertions, 20 deletions

diff --git a/src/main.rs b/src/main.rs
index 0ee259c..2c53729 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -41,11 +41,11 @@ enum Commands {
         #[arg(short='v', long)]
         invert_match: bool,
 
-        // Keep only items whose link contain this substring
+        // Keep only items whose link contains this substring
         #[arg(short, long)]
         url: Option<String>,
 
-        // Keep only items whose title contain this substring
+        // Keep only items whose title contains this substring
         #[arg(short, long)]
         title: Option<String>,
 
@@ -82,8 +82,7 @@ fn main() {
                     c.pretty_write_to(std::io::stdout(), b' ', 2).unwrap();
                 },
                 Err(e) => {
-                    eprintln!("Error running 'get': {:?}", e);
-                    exit(1);
+                    crash_and_burn(&e);
                 }
             }
         },
@@ -102,14 +101,12 @@ fn main() {
                             sorted.pretty_write_to(std::io::stdout(), b' ', 2).unwrap();
                         }, 
                         Err(e) => {
-                            eprintln!("Error with 'sort': {:?}", e);
-                            exit(1);
+                            crash_and_burn(&e);
                         }
                     }
                 },
                 Err(e) => {
-                    eprintln!("sort: could not parse RSS: {:?}", e);
-                    exit(1);
+                    crash_and_burn(&e);
                 }
             }
         },
@@ -122,14 +119,12 @@ fn main() {
                             c.pretty_write_to(std::io::stdout(), b' ', 2).unwrap();
                         }, 
                         Err(e) => {
-                            eprintln!("Error with 'take': {:?}", e);
-                            exit(1);
+                            crash_and_burn(&e);
                         }
                     }
                 },
                 Err(e) => {
-                    eprintln!("take: could not parse RSS: {:?}", e);
-                    exit(1);
+                    crash_and_burn(&e);
                 }
             }
         },
@@ -142,14 +137,12 @@ fn main() {
                             c.pretty_write_to(std::io::stdout(), b' ', 2).unwrap();
                         },
                         Err(e) => {
-                            eprintln!("Error with 'filter': {:?}", e);
-                            exit(1);
+                            crash_and_burn(&e);
                         }
                     }
                 },
                 Err(e) => {
-                    eprintln!("filter: could not parse RSS: {:?}", e);
-                    exit(1);
+                    crash_and_burn(&e);
                 }
             }
         },
@@ -162,16 +155,32 @@ fn main() {
                             print!("{}", t);
                         },
                         Err(e) => {
-                            eprintln!("Error with 'render': {:?}", e);
-                            exit(1);
+                            crash_and_burn(&e);
                         }
                     }
                 },
                 Err(e) => {
-                    eprintln!("render: could not parse RSS: {:?}", e);
-                    exit(1);
+                    crash_and_burn(&e);
                 }
             }
         }
     }
 }
+
+fn command_line_args() -> Vec<String> {
+    let mut v: Vec<String> = vec![];
+
+    for a in std::env::args().into_iter() {
+        v.push(a);
+    }
+
+    v
+}
+
+fn crash_and_burn<T: std::fmt::Debug>(err: &T) {
+    let cmdline = command_line_args().join(" ");
+    eprintln!("Error with command: {}", cmdline);
+    eprintln!("Details:\n\n{:?}", err);
+
+    exit(1);
+}
\ No newline at end of file