Make error message more verbose

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>

1 files changed, 5 insertions, 1 deletions

diff --git a/bin/domain/imag-mail/src/new.rs b/bin/domain/imag-mail/src/new.rs
index 4af5a11a..66af2d47 100644
--- a/bin/domain/imag-mail/src/new.rs
+++ b/bin/domain/imag-mail/src/new.rs
@@ -21,6 +21,7 @@ use std::path::PathBuf;
 use std::collections::BTreeMap;
 
 use failure::Fallible as Result;
+use failure::ResultExt;
 use failure::err_msg;
 use toml_query::read::TomlValueReadExt;
 use clap::ArgMatches;
@@ -223,7 +224,10 @@ fn edit_message_validated(rt: &Runtime, mut msg: String) -> Result<String> {
     debug!("Remainder: {:?}", remainder);
 
     if remainder.len() != 0 {
-        Err(err_msg("Some bytes are not parsed... cannot verify that the mail is correct!"))?
+        let remainder_s = String::from_utf8_lossy(remainder);
+        Err(err_msg("Some bytes are not parsed... cannot verify that the mail is correct!"))
+            .context(format!("Parsing: {}", remainder_s))
+            .context(format!("Parsing email: {}", msg))?
     }
 
     Ok(msg)