cli: add --allow-empty-description flag to push

CHANGELOG.md

@@ -72,6 +72,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 * `jj new`'s `--insert-before` and `--insert-after` options can now be used
   simultaneously.
 
+* `jj git push` now can push commits with empty descriptions with the
+  `--allow-empty-description` flag
+
 ### Fixed bugs
 
 * Previously, `jj git push` only made sure that the branch is in the expected

cli/src/commands/git.rs

@@ -231,6 +231,9 @@ pub struct GitPushArgs {
     /// correspond to missing local branches.
     #[arg(long)]
     deleted: bool,
+    /// Allow pushing commits with empty descriptions
+    #[arg(long)]
+    allow_empty_description: bool,
     /// Push branches pointing to these commits (can be repeated)
     #[arg(long, short)]
     revisions: Vec<RevisionArg>,
@@ -959,7 +962,7 @@ fn cmd_git_push(
     {
         let commit = commit?;
         let mut reasons = vec![];
-        if commit.description().is_empty() {
+        if commit.description().is_empty() && !args.allow_empty_description {
             reasons.push("it has no description");
         }
         if commit.author().name.is_empty()

cli/tests/cli-reference@.md.snap

@@ -976,6 +976,10 @@ Before the command actually moves, creates, or deletes a remote branch, it makes
 
   Possible values: `true`, `false`
 
+* `--allow-empty-description` — Allow pushing commits with empty descriptions
+
+  Possible values: `true`, `false`
+
 * `-r`, `--revisions <REVISIONS>` — Push branches pointing to these commits (can be repeated)
 * `-c`, `--change <CHANGE>` — Push this commit by creating a branch based on its change ID (can be repeated)
 * `--dry-run` — Only display what will change on the remote

cli/tests/test_git_push.rs

@@ -823,6 +823,16 @@ fn test_git_push_no_description() {
     insta::assert_snapshot!(stderr, @r###"
     Error: Won't push commit 5b36783cd11c since it has no description
     "###);
+    test_env.jj_cmd_ok(
+        &workspace_root,
+        &[
+            "git",
+            "push",
+            "--branch",
+            "my-branch",
+            "--allow-empty-description",
+        ],
+    );
 }
 
 #[test]