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authorJunio C Hamano <gitster@pobox.com>2007-08-16 06:19:55 (GMT)
committerJunio C Hamano <gitster@pobox.com>2007-08-28 06:48:28 (GMT)
commita005085240ef77ac0dde8eb08e27c6ef868d4bab (patch)
tree6f1a05ea146ed26c6229b972cf13e1d9230e37ec /t/t6028-merge-up-to-date.sh
parent9277d60233a1829742aa2d9d20ddbfc3b2b7acde (diff)
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git-merge: do up-to-date check also for all strategies
This clarifies the logic to omit fast-forward check and omit trivial merge before running the specified strategy. The "index_merge" variable started out as a flag to say "do not do anything clever", but when recursive was changed to skip the trivial merge, the semantics were changed and the variable alone does not make sense anymore. This splits the variable into two, allow_fast_forward (which is almost always true, and avoids making a merge commit when the other commit is a descendant of our branch, but is set to false for ours and subtree) and allow_trivial_merge (which is false for ours, recursive and subtree). Unlike the earlier implementation, the "ours" strategy allows an up-to-date condition. When we are up-to-date, the result will be our commit, and by definition, we will have our tree as the result. Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 't/t6028-merge-up-to-date.sh')
-rwxr-xr-xt/t6028-merge-up-to-date.sh77
1 files changed, 77 insertions, 0 deletions
diff --git a/t/t6028-merge-up-to-date.sh b/t/t6028-merge-up-to-date.sh
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+++ b/t/t6028-merge-up-to-date.sh
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+#!/bin/sh
+
+test_description='merge fast forward and up to date'
+
+. ./test-lib.sh
+
+test_expect_success setup '
+ >file &&
+ git add file &&
+ test_tick &&
+ git commit -m initial &&
+ git tag c0 &&
+
+ echo second >file &&
+ git add file &&
+ test_tick &&
+ git commit -m second &&
+ git tag c1 &&
+ git branch test
+'
+
+test_expect_success 'merge -s recursive up-to-date' '
+
+ git reset --hard c1 &&
+ test_tick &&
+ git merge -s recursive c0 &&
+ expect=$(git rev-parse c1) &&
+ current=$(git rev-parse HEAD) &&
+ test "$expect" = "$current"
+
+'
+
+test_expect_success 'merge -s recursive fast-forward' '
+
+ git reset --hard c0 &&
+ test_tick &&
+ git merge -s recursive c1 &&
+ expect=$(git rev-parse c1) &&
+ current=$(git rev-parse HEAD) &&
+ test "$expect" = "$current"
+
+'
+
+test_expect_success 'merge -s ours up-to-date' '
+
+ git reset --hard c1 &&
+ test_tick &&
+ git merge -s ours c0 &&
+ expect=$(git rev-parse c1) &&
+ current=$(git rev-parse HEAD) &&
+ test "$expect" = "$current"
+
+'
+
+test_expect_success 'merge -s ours fast-forward' '
+
+ git reset --hard c0 &&
+ test_tick &&
+ git merge -s ours c1 &&
+ expect=$(git rev-parse c0^{tree}) &&
+ current=$(git rev-parse HEAD^{tree}) &&
+ test "$expect" = "$current"
+
+'
+
+test_expect_success 'merge -s subtree up-to-date' '
+
+ git reset --hard c1 &&
+ test_tick &&
+ git merge -s subtree c0 &&
+ expect=$(git rev-parse c1) &&
+ current=$(git rev-parse HEAD) &&
+ test "$expect" = "$current"
+
+'
+
+test_done