[PATCH v2 5/8] pull: make --rebase and --no-rebase override pull.ff=only

From

Elijah Newren via GitGitGadget <gitgitgadget@gmail.com>

Date

Jul 21, 2021, 01:42 UTC

Message-ID

<9b116f3d284840052945292f73c47bacdb2f86d6.1626831744.git.gitgitgadget@gmail.com>

In-Reply-To

<pull.1049.v2.git.git.1626831744.gitgitgadget@gmail.com>

From: Elijah Newren <newren@gmail.com>

Signed-off-by: Elijah Newren <newren@gmail.com>
---
 builtin/pull.c               | 16 +++++++++++++++-
 t/t7601-merge-pull-config.sh |  4 ++--
 2 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/builtin/pull.c b/builtin/pull.c
index 92150f976cd..da1d4b19666 100644
--- a/builtin/pull.c
+++ b/builtin/pull.c
@@ -966,8 +966,22 @@ int cmd_pull(int argc, const char **argv, const char *prefix)
 
 	parse_repo_refspecs(argc, argv, &repo, &refspecs);
 
-	if (!opt_ff)
+	if (!opt_ff) {
 		opt_ff = xstrdup_or_null(config_get_ff());
+		/*
+		 * A subtle point: opt_ff was set on the line above via
+		 * reading from config.  opt_rebase, in contrast, is set
+		 * before this point via command line options.  The setting
+		 * of opt_rebase via reading from config (using
+		 * config_get_rebase()) does not happen until later.  We
+		 * are relying on the next if-condition happening before
+		 * the config_get_rebase() call so that an explicit
+		 * "--rebase" can override a config setting of
+		 * pull.ff=only.
+		 */
+		if (opt_rebase >= 0 && opt_ff && !strcmp(opt_ff, "--ff-only"))
+			opt_ff = "--ff";
+	}
 
 	if (opt_rebase < 0)
 		opt_rebase = config_get_rebase(&rebase_unspecified);
diff --git a/t/t7601-merge-pull-config.sh b/t/t7601-merge-pull-config.sh
index d1f621725ad..0c0dfecd2a3 100755
--- a/t/t7601-merge-pull-config.sh
+++ b/t/t7601-merge-pull-config.sh
@@ -260,11 +260,11 @@ test_expect_success '--ff-only takes precedence over pull.rebase=false' '
 	test_attempts_fast_forward -c pull.rebase=false pull --ff-only
 '
 
-test_expect_failure '--no-rebase takes precedence over pull.ff=only' '
+test_expect_success '--no-rebase takes precedence over pull.ff=only' '
 	test_falls_back_to_full_merge -c pull.ff=only pull --no-rebase
 '
 
-test_expect_failure '--rebase takes precedence over pull.ff=only' '
+test_expect_success '--rebase takes precedence over pull.ff=only' '
 	test_does_rebase -c pull.ff=only pull --rebase
 '
 

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