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Many Porcelain commands that internally use the merge machinery were taught to consistently honor the diff.algorithm configuration. * ad/merge-with-diff-algorithm: merge-recursive: honor diff.algorithm
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,60 @@ | ||
#!/bin/sh | ||
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test_description='git merge and other operations that rely on merge | ||
Testing the influence of the diff algorithm on the merge output.' | ||
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TEST_PASSES_SANITIZE_LEAK=true | ||
. ./test-lib.sh | ||
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test_expect_success 'setup' ' | ||
cp "$TEST_DIRECTORY"/t7615/base.c file.c && | ||
git add file.c && | ||
git commit -m c0 && | ||
git tag c0 && | ||
cp "$TEST_DIRECTORY"/t7615/ours.c file.c && | ||
git add file.c && | ||
git commit -m c1 && | ||
git tag c1 && | ||
git reset --hard c0 && | ||
cp "$TEST_DIRECTORY"/t7615/theirs.c file.c && | ||
git add file.c && | ||
git commit -m c2 && | ||
git tag c2 | ||
' | ||
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GIT_TEST_MERGE_ALGORITHM=recursive | ||
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test_expect_success 'merge c2 to c1 with recursive merge strategy fails with the current default myers diff algorithm' ' | ||
git reset --hard c1 && | ||
test_must_fail git merge -s recursive c2 | ||
' | ||
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test_expect_success 'merge c2 to c1 with recursive merge strategy succeeds with -Xdiff-algorithm=histogram' ' | ||
git reset --hard c1 && | ||
git merge --strategy recursive -Xdiff-algorithm=histogram c2 | ||
' | ||
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test_expect_success 'merge c2 to c1 with recursive merge strategy succeeds with diff.algorithm = histogram' ' | ||
git reset --hard c1 && | ||
git config diff.algorithm histogram && | ||
git merge --strategy recursive c2 | ||
' | ||
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test_expect_success 'cherry-pick c2 to c1 with recursive merge strategy fails with the current default myers diff algorithm' ' | ||
git reset --hard c1 && | ||
test_must_fail git cherry-pick -s recursive c2 | ||
' | ||
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test_expect_success 'cherry-pick c2 to c1 with recursive merge strategy succeeds with -Xdiff-algorithm=histogram' ' | ||
git reset --hard c1 && | ||
git cherry-pick --strategy recursive -Xdiff-algorithm=histogram c2 | ||
' | ||
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test_expect_success 'cherry-pick c2 to c1 with recursive merge strategy succeeds with diff.algorithm = histogram' ' | ||
git reset --hard c1 && | ||
git config diff.algorithm histogram && | ||
git cherry-pick --strategy recursive c2 | ||
' | ||
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test_done |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,17 @@ | ||
int f(int x, int y) | ||
{ | ||
if (x == 0) | ||
{ | ||
return y; | ||
} | ||
return x; | ||
} | ||
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int g(size_t u) | ||
{ | ||
while (u < 30) | ||
{ | ||
u++; | ||
} | ||
return u; | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,17 @@ | ||
int g(size_t u) | ||
{ | ||
while (u < 30) | ||
{ | ||
u++; | ||
} | ||
return u; | ||
} | ||
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int h(int x, int y, int z) | ||
{ | ||
if (z == 0) | ||
{ | ||
return x; | ||
} | ||
return y; | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,17 @@ | ||
int f(int x, int y) | ||
{ | ||
if (x == 0) | ||
{ | ||
return y; | ||
} | ||
return x; | ||
} | ||
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int g(size_t u) | ||
{ | ||
while (u > 34) | ||
{ | ||
u--; | ||
} | ||
return u; | ||
} |