templater: include pseudo @git targets in branches keyword

jj-vcs#1666

CHANGELOG.md

@@ -107,9 +107,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   setting the `revsets.short-prefixes` config to a different revset.
 
 * The last seen state of branches in the underlying git repo is now presented by
-  `jj branch list` as a remote called `git` (e.g. `main@git`). They can also be
-  referenced in revsets. Such branches exist in colocated repos or if you use
-  `jj git export`.
+  `jj branch list`/`jj log` as a remote called `git` (e.g. `main@git`). They can
+  also be referenced in revsets. Such branches exist in colocated repos or if
+  you use `jj git export`.
 
 * The new `jj chmod` command allows setting or removing the executable bit on
   paths. Unlike the POSIX `chmod`, it works on Windows, on conflicted files, and

src/commit_templater.rs

@@ -24,7 +24,7 @@ use jujutsu_lib::hex_util::to_reverse_hex;
 use jujutsu_lib::id_prefix::IdPrefixContext;
 use jujutsu_lib::op_store::{RefTarget, WorkspaceId};
 use jujutsu_lib::repo::Repo;
-use jujutsu_lib::rewrite;
+use jujutsu_lib::{git, rewrite};
 use once_cell::unsync::OnceCell;
 
 use crate::formatter::Formatter;
@@ -352,7 +352,8 @@ impl RefNamesIndex {
 
 fn build_branches_index(repo: &dyn Repo) -> RefNamesIndex {
     let mut index = RefNamesIndex::default();
-    for (branch_name, branch_target) in repo.view().branches() {
+    let (all_branches, _) = git::build_unified_branches_map(repo.view());
+    for (branch_name, branch_target) in &all_branches {
         let local_target = branch_target.local_target.as_ref();
         let mut unsynced_remote_targets = branch_target
             .remote_targets

tests/test_branch_command.rs

@@ -250,7 +250,7 @@ fn test_branch_forget_export() {
     "###);
     let stdout = test_env.jj_cmd_success(&repo_path, &["log", "-r=foo@git", "--no-graph"]);
     insta::assert_snapshot!(stdout, @r###"
-    rlvkpnrzqnoo [email protected] 2001-02-03 04:05:08.000 +07:00 65b6b74e0897
+    rlvkpnrzqnoo [email protected] 2001-02-03 04:05:08.000 +07:00 foo@git 65b6b74e0897
     (empty) (no description set)
     "###);