Should git-am terminate unexpectedly between the point where the state
directory is created, but the "next" and "last" files are not written
yet, a stray state directory will be left behind.
As such, since b141f3c (am: handle stray $dotest directory, 2013-06-15),
git-am.sh explicitly recognizes such a stray directory, and allows the
user to remove it with am --abort.
Re-implement this feature in builtin/am.c.
Signed-off-by: Paul Tan <pyokagan@xxxxxxxxx>
---
builtin/am.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/builtin/am.c b/builtin/am.c
index a02c84e..47dd4c7 100644
--- a/builtin/am.c
+++ b/builtin/am.c
@@ -1530,6 +1530,23 @@ int cmd_am(int argc, const char **argv, const char *prefix)
struct argv_array paths = ARGV_ARRAY_INIT;
int i;
+ /*
+ * Handle stray state directory in the independent-run case. In
+ * the --rebasing case, it is up to the caller to take care of
+ * stray directories.
+ */
+ if (file_exists(state.dir) && !state.rebasing) {
+ if (resume == RESUME_ABORT) {
+ am_destroy(&state);
+ am_state_release(&state);
+ return 0;
+ }
+
+ die(_("Stray %s directory found.\n"
+ "Use \"git am --abort\" to remove it."),
+ state.dir);
+ }
+
if (resume)
die(_("Resolve operation not in progress, we are not resuming."));
--
2.5.0.280.gd88bd6e
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