File 0024-unpack-trees-let-merged_entry-pass-through... of Package git.12317

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File 0024-unpack-trees-let-merged_entry-pass-through-do_add_en.patch of Package git.12317

From fd24e72ae8aafc00722b34904960d2084624bb54 Mon Sep 17 00:00:00 2001
From: Johannes Schindelin <johannes.schindelin@gmx.de>
Date: Mon, 9 Sep 2019 13:56:15 +0200
Subject: [PATCH 24/28] unpack-trees: let merged_entry() pass through
 do_add_entry()'s errors

A `git clone` will end with exit code 0 when `merged_entry()` returns a
positive value during a call of `unpack_trees()` to `traverse_trees()`.
The reason is that `unpack_trees()` will interpret a positive value not
to be an error.

The problem is, however, that `add_index_entry()` (which is called by
`merged_entry()` can report an error, and we really should fail the
entire clone in such a case.

Let's fix this problem, in preparation for a Windows-specific patch
disallowing `mkdir()` with directory names that contain a trailing space
(which is illegal on NTFS): we want `git clone` to abort when a path
cannot be checked out due to that condition.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
---
 unpack-trees.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/unpack-trees.c b/unpack-trees.c
index 96c3327f19..e30e011cf5 100644
--- a/unpack-trees.c
+++ b/unpack-trees.c
@@ -1811,7 +1811,8 @@ static int merged_entry(const struct cache_entry *ce,
 		invalidate_ce_path(old, o);
 	}
 
-	do_add_entry(o, merge, update, CE_STAGEMASK);
+	if (do_add_entry(o, merge, update, CE_STAGEMASK) < 0)
+		return -1;
 	return 1;
 }
 
-- 
2.24.0

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File 0024-unpack-trees-let-merged_entry-pass-through-do_add_en.patch of Package git.12317

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