cli: document that jj git import/export are not needed when colocated

Closes #7910

Author: martinvonz

cli/src/commands/git/export.rs

@@ -20,6 +20,9 @@ use crate::git_util::print_git_export_stats;
 use crate::ui::Ui;
 
 /// Update the underlying Git repo with changes made in the repo
+///
+/// There is no need to run this command if you're in colocated repo because the
+/// export happens automatically there.
 #[derive(clap::Args, Clone, Debug)]
 pub struct GitExportArgs {}
 

cli/src/commands/git/import.rs

@@ -23,6 +23,9 @@ use crate::ui::Ui;
 ///
 /// If a working-copy commit gets abandoned, it will be given a new, empty
 /// commit. This is true in general; it is not specific to this command.
+///
+/// There is no need to run this command if you're in colocated repo because the
+/// import happens automatically there.
 #[derive(clap::Args, Clone, Debug)]
 pub struct GitImportArgs {}
 

cli/tests/[email protected]

@@ -1401,6 +1401,8 @@ Show the current colocation status
 
 Update the underlying Git repo with changes made in the repo
 
+There is no need to run this command if you're in colocated repo because the export happens automatically there.
+
 **Usage:** `jj git export`
 
 
@@ -1438,6 +1440,8 @@ Update repo with changes made in the underlying Git repo
 
 If a working-copy commit gets abandoned, it will be given a new, empty commit. This is true in general; it is not specific to this command.
 
+There is no need to run this command if you're in colocated repo because the import happens automatically there.
+
 **Usage:** `jj git import`