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authorMax Kirillov <max@max630.net>2014-06-28 22:04:46 (GMT)
committerJunio C Hamano <gitster@pobox.com>2014-06-30 21:07:58 (GMT)
commitba311807f8408761a48d4cd596259ca30a4375f2 (patch)
tree3449c57786a71d0a540e425481663fd99e890bd3 /t/t6023-merge-file.sh
parent6d49de414f9dc7a94503a3798dd745971669cebe (diff)
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git-merge-file: do not add LF at EOF while applying unrelated change
If 'current-file' does not contain LF at EOF, and change between 'base-file' and 'other-file' does not change any line close to EOF, the 3-way merge should not add LF to EOF. This is what 'diff3 -m' does, and seems to be a reasonable expectation. The change which introduced the behavior is cd1d61c44f. It always calls function xdl_recs_copy() for sides with add_nl == 1. In fact, it looks like the only case when this is needed is when 2 files are being union-merged, and they do not have LF at EOF (strictly speaking, the first of them). Add tests: * "merge without conflict (missing LF at EOF, away from change in the other file)" and "merge does not add LF away of change", to demonstrate the changed behavior. * "conflict at EOF without LF resolved by --union", to verify that the union-merge at the end inerts newline between versions. * some more tests which I felt like not covering the functionality well Signed-off-by: Max Kirillov <max@max630.net> Acked-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 't/t6023-merge-file.sh')
-rwxr-xr-xt/t6023-merge-file.sh85
1 files changed, 85 insertions, 0 deletions
diff --git a/t/t6023-merge-file.sh b/t/t6023-merge-file.sh
index 3115285..3758961 100755
--- a/t/t6023-merge-file.sh
+++ b/t/t6023-merge-file.sh
@@ -83,6 +83,23 @@ test_expect_failure "merge without conflict (missing LF at EOF)" \
test_expect_failure "merge result added missing LF" \
"test_cmp test.txt test2.txt"
+cp new4.txt test3.txt
+test_expect_success "merge without conflict (missing LF at EOF, away from change in the other file)" \
+ "git merge-file --quiet test3.txt new2.txt new3.txt"
+
+cat > expect.txt << EOF
+DOMINUS regit me,
+et nihil mihi deerit.
+In loco pascuae ibi me collocavit,
+super aquam refectionis educavit me;
+animam meam convertit,
+deduxit me super semitas jusitiae,
+EOF
+printf "propter nomen suum." >> expect.txt
+
+test_expect_success "merge does not add LF away of change" \
+ "test_cmp test3.txt expect.txt"
+
cp test.txt backup.txt
test_expect_success "merge with conflicts" \
"test_must_fail git merge-file test.txt orig.txt new3.txt"
@@ -107,6 +124,55 @@ EOF
test_expect_success "expected conflict markers" "test_cmp test.txt expect.txt"
cp backup.txt test.txt
+
+cat > expect.txt << EOF
+Dominus regit me, et nihil mihi deerit.
+In loco pascuae ibi me collocavit,
+super aquam refectionis educavit me;
+animam meam convertit,
+deduxit me super semitas jusitiae,
+propter nomen suum.
+Nam et si ambulavero in medio umbrae mortis,
+non timebo mala, quoniam tu mecum es:
+virga tua et baculus tuus ipsa me consolata sunt.
+EOF
+test_expect_success "merge conflicting with --ours" \
+ "git merge-file --ours test.txt orig.txt new3.txt && test_cmp test.txt expect.txt"
+cp backup.txt test.txt
+
+cat > expect.txt << EOF
+DOMINUS regit me,
+et nihil mihi deerit.
+In loco pascuae ibi me collocavit,
+super aquam refectionis educavit me;
+animam meam convertit,
+deduxit me super semitas jusitiae,
+propter nomen suum.
+Nam et si ambulavero in medio umbrae mortis,
+non timebo mala, quoniam tu mecum es:
+virga tua et baculus tuus ipsa me consolata sunt.
+EOF
+test_expect_success "merge conflicting with --theirs" \
+ "git merge-file --theirs test.txt orig.txt new3.txt && test_cmp test.txt expect.txt"
+cp backup.txt test.txt
+
+cat > expect.txt << EOF
+Dominus regit me, et nihil mihi deerit.
+DOMINUS regit me,
+et nihil mihi deerit.
+In loco pascuae ibi me collocavit,
+super aquam refectionis educavit me;
+animam meam convertit,
+deduxit me super semitas jusitiae,
+propter nomen suum.
+Nam et si ambulavero in medio umbrae mortis,
+non timebo mala, quoniam tu mecum es:
+virga tua et baculus tuus ipsa me consolata sunt.
+EOF
+test_expect_success "merge conflicting with --union" \
+ "git merge-file --union test.txt orig.txt new3.txt && test_cmp test.txt expect.txt"
+cp backup.txt test.txt
+
test_expect_success "merge with conflicts, using -L" \
"test_must_fail git merge-file -L 1 -L 2 test.txt orig.txt new3.txt"
@@ -260,4 +326,23 @@ test_expect_success 'marker size' '
test_cmp expect actual
'
+printf "line1\nline2\nline3" >nolf-orig.txt
+printf "line1\nline2\nline3x" >nolf-diff1.txt
+printf "line1\nline2\nline3y" >nolf-diff2.txt
+
+test_expect_success 'conflict at EOF without LF resolved by --ours' \
+ 'git merge-file -p --ours nolf-diff1.txt nolf-orig.txt nolf-diff2.txt >output.txt &&
+ printf "line1\nline2\nline3x" >expect.txt &&
+ test_cmp expect.txt output.txt'
+
+test_expect_success 'conflict at EOF without LF resolved by --theirs' \
+ 'git merge-file -p --theirs nolf-diff1.txt nolf-orig.txt nolf-diff2.txt >output.txt &&
+ printf "line1\nline2\nline3y" >expect.txt &&
+ test_cmp expect.txt output.txt'
+
+test_expect_success 'conflict at EOF without LF resolved by --union' \
+ 'git merge-file -p --union nolf-diff1.txt nolf-orig.txt nolf-diff2.txt >output.txt &&
+ printf "line1\nline2\nline3x\nline3y" >expect.txt &&
+ test_cmp expect.txt output.txt'
+
test_done