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[PATCH V3 2/2] fetch --prune: Run prune before fetching

From
TMTom Miller <jackerran@gmail.com>
Date
Jan 3, 2014, 02:28 UTC
Message-ID
<1388716132-71437-2-git-send-email-jackerran@gmail.com>
In-Reply-To
<1388716132-71437-1-git-send-email-jackerran@gmail.com>

When we have a remote-tracking branch named "frotz/nitfol" from a previous fetch, and the upstream now has a branch named "frotz". Prior to this patch fetch would fail to remove "frotz/nitfol" with a "git fetch --prune" from the upstream. git would inform the user to use "git remote prune" to fix the problem.

This patch changes the way "fetch --prune" works by moving the pruning operation before the fetching operation. Instead of warning the user of a conflict, it autmatically fixes it.

Signed-off-by: Tom Miller <jackerran@gmail.com>
Tested-by: Thomas Rast <tr@thomasrast.ch>
Acked-by: Junio C Hamano <gitster@pobox.com>
---

I did change the commit message according to Junio's suggestion in the first patch.

 builtin/fetch.c  | 10 +++++-----
 t/t5510-fetch.sh | 14 ++++++++++++++
 2 files changed, 19 insertions(+), 5 deletions(-)
diff --git a/builtin/fetch.c b/builtin/fetch.c
index 1b81cf9..09825c8 100644
--- a/builtin/fetch.c
+++ b/builtin/fetch.c
@@ -863,11 +863,6 @@ static int do_fetch(struct transport *transport,
 
 	if (tags == TAGS_DEFAULT && autotags)
 		transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, "1");
-	if (fetch_refs(transport, ref_map)) {
-		free_refs(ref_map);
-		retcode = 1;
-		goto cleanup;
-	}
 	if (prune) {
 		/*
 		 * We only prune based on refspecs specified
@@ -883,6 +878,11 @@ static int do_fetch(struct transport *transport,
 				   transport->url);
 		}
 	}
+	if (fetch_refs(transport, ref_map)) {
+		free_refs(ref_map);
+		retcode = 1;
+		goto cleanup;
+	}
 	free_refs(ref_map);
 
 	/* if neither --no-tags nor --tags was specified, do automated tag
diff --git a/t/t5510-fetch.sh b/t/t5510-fetch.sh
index 87e896d..12674ac 100755
--- a/t/t5510-fetch.sh
+++ b/t/t5510-fetch.sh
@@ -626,4 +626,18 @@ test_expect_success 'fetch --prune prints the remotes url' '
 	test_cmp expect actual
 '
 
+test_expect_success 'branchname D/F conflict resolved by --prune' '
+	git branch dir/file &&
+	git clone . prune-df-conflict &&
+	git branch -D dir/file &&
+	git branch dir &&
+	(
+		cd prune-df-conflict &&
+		git fetch --prune &&
+		git rev-parse origin/dir >../actual
+	) &&
+	git rev-parse dir >expect &&
+	test_cmp expect actual
+'
+
 test_done
-- 
1.8.5.2.231.g4834e63.dirty
Previous: Tom MillerNext: Junio C Hamano
Message 2 of 3 in “fetch --prune: Always print header url”
  1. 1/2 fetch --prune: Always print header urlTom Miller, Jan 3, 2014
  2. 2/2 fetch --prune: Run prune before fetchingTom Miller, Jan 3, 2014
  3. Junio C HamanoJan 3, 2014

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