Remove the DWIM interface from sq cert export.

- The cert designator framework is expressive enough.  Just be
    explicit.

NEWS

@@ -104,6 +104,8 @@
    - When exporting certificates selected by user IDs (i.e. --email,
      --userid, --domain, or --grep), the bindings are authenticated and
      only those certificates that can be authenticated are exported.
+   - The do-what-I-mean query parameter has been removed from `sq cert
+     export`.
 
 * Changes in 0.38.0
 ** Notable changes

src/cli/cert/export.rs

@@ -123,7 +123,7 @@ for example.",
     #[clap(
         long,
         conflicts_with_all = [
-            "cert", "userid", "email", "domain", "grep", "query",
+            "cert", "userid", "email", "domain", "grep",
         ],
         help = "Export all certificates",
     )]
@@ -133,12 +133,4 @@ for example.",
     pub certs: CertDesignators<CertUserIDEmailDomainGrepArgs,
                                NoPrefix,
                                OptionalValue>,
-
-    #[clap(
-        value_name = "QUERY",
-        help = "Return certificates matching QUERY. \
-                This may be a subkey fingerprint or key ID, \
-                an email address, or an User ID fragment.",
-    )]
-    pub query: Vec<String>,
 }

src/commands/cert/export.rs

@@ -9,9 +9,7 @@ use openpgp::{
 
 use sequoia_cert_store as cert_store;
 use cert_store::Store;
-use cert_store::store::UserIDQueryParams;
 
-use crate::cli::types::cert_designator::CertDesignator;
 use crate::cli::types::FileOrStdout;
 use crate::{
     Sq,
@@ -21,10 +19,10 @@ use crate::{
 
 use crate::cli::cert::export;
 
-pub fn dispatch(sq: Sq, mut cmd: export::Command) -> Result<()> {
+pub fn dispatch(sq: Sq, cmd: export::Command) -> Result<()> {
     let cert_store = sq.cert_store_or_else()?;
 
-    if cmd.certs.is_empty() && cmd.query.is_empty() && ! cmd.all {
+    if cmd.certs.is_empty() && ! cmd.all {
         sq.hint(format_args!(
             "Use --all to export all certs, or give a query."));
         return Err(anyhow::anyhow!("no query given"));
@@ -69,20 +67,8 @@ pub fn dispatch(sq: Sq, mut cmd: export::Command) -> Result<()> {
         // nothing, that is fine.
         exported_something = true;
     } else {
-        let mut designators = cmd.certs;
-
-        for query in cmd.query {
-            if let Ok(h) = query.parse() {
-                designators.push(CertDesignator::Cert(h));
-            } else if let Ok(email) = UserIDQueryParams::is_email(&query) {
-                designators.push(CertDesignator::Email(email));
-            } else {
-                designators.push(CertDesignator::Grep(query));
-            }
-        }
-
         let (certs, errors)
-            = sq.resolve_certs(&designators, sequoia_wot::FULLY_TRUSTED)?;
+            = sq.resolve_certs(&cmd.certs, sequoia_wot::FULLY_TRUSTED)?;
         for error in errors.iter() {
             print_error_chain(error);
         }