[PATCH 1/9] tmp_objdir: add a helper function for discarding all contained objects

["Elijah Newren via GitGitGadget" <gitgitgadget@xxxxxxxxx>]

From: Elijah Newren <newren@xxxxxxxxx>

Signed-off-by: Elijah Newren <newren@xxxxxxxxx>
---
 tmp-objdir.c | 5 +++++
 tmp-objdir.h | 6 ++++++
 2 files changed, 11 insertions(+)

diff --git a/tmp-objdir.c b/tmp-objdir.c
index 3d38eeab66b..adf6033549e 100644
--- a/tmp-objdir.c
+++ b/tmp-objdir.c
@@ -79,6 +79,11 @@ static void remove_tmp_objdir_on_signal(int signo)
 	raise(signo);
 }
 
+void tmp_objdir_discard_objects(struct tmp_objdir *t)
+{
+	remove_dir_recursively(&t->path, REMOVE_DIR_KEEP_TOPLEVEL);
+}
+
 /*
  * These env_* functions are for setting up the child environment; the
  * "replace" variant overrides the value of any existing variable with that
diff --git a/tmp-objdir.h b/tmp-objdir.h
index cda5ec76778..76efc7edee5 100644
--- a/tmp-objdir.h
+++ b/tmp-objdir.h
@@ -46,6 +46,12 @@ int tmp_objdir_migrate(struct tmp_objdir *);
  */
 int tmp_objdir_destroy(struct tmp_objdir *);
 
+/*
+ * Remove all objects from the temporary object directory, while leaving it
+ * around so more objects can be added.
+ */
+void tmp_objdir_discard_objects(struct tmp_objdir *);
+
 /*
  * Add the temporary object directory as an alternate object store in the
  * current process.
-- 
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