sq: Make key attest-certifications' key argument optional.

3 files changed, 6 insertions, 5 deletions

diff --git a/sq/src/commands/key.rs b/sq/src/commands/key.rs
index c74babec..7cf183a2 100644
--- a/sq/src/commands/key.rs
+++ b/sq/src/commands/key.rs
@@ -16,6 +16,9 @@ use crate::openpgp::serialize::Serialize;
 use crate::openpgp::types::KeyFlags;
 use crate::openpgp::types::SignatureType;
 
+use crate::{
+    open_or_stdin,
+};
 use crate::Config;
 use crate::create_or_stdout;
 use crate::SECONDS_IN_YEAR;
@@ -417,9 +420,8 @@ pub fn attest_certifications(config: Config, m: &ArgMatches, _p: &dyn Policy)
     let reserve_area_space = 256; // For the other subpackets.
     let digests_per_sig = ((1usize << 16) - reserve_area_space) / digest_size;
 
-    let key = m.value_of("key").unwrap();
-    let key = Cert::from_file(key)
-        .context(format!("Parsing key {:?}", key))?;
+    let input = open_or_stdin(m.value_of("key"))?;
+    let key = Cert::from_reader(input)?;
 
     // First, remove all attestations.
     let key = Cert::from_packets(
diff --git a/sq/src/sq-usage.rs b/sq/src/sq-usage.rs
index 57506231..c8f3e5aa 100644
--- a/sq/src/sq-usage.rs
+++ b/sq/src/sq-usage.rs
@@ -277,7 +277,7 @@
 //! Attests third-party certifications allowing for their distribution
 //!
 //! USAGE:
-//!     sq key attest-certifications [FLAGS] [OPTIONS] <KEY>
+//!     sq key attest-certifications [FLAGS] [OPTIONS] [KEY]
 //!
 //! FLAGS:
 //!         --all        Attests to all certifications
diff --git a/sq/src/sq_cli.rs b/sq/src/sq_cli.rs
index edce5f7d..25065a54 100644
--- a/sq/src/sq_cli.rs
+++ b/sq/src/sq_cli.rs
@@ -416,7 +416,6 @@ pub fn configure(app: App<'static, 'static>) -> App<'static, 'static> {
                              .help("Attests to all certifications"))
                         .arg(Arg::with_name("key")
                              .value_name("KEY")
-                             .required(true)
                              .help("Changes attestations on KEY"))
                         .arg(Arg::with_name("output")
                              .short("o").long("output").value_name("FILE")