# side of history for any implicit directory renames.
###########################################################################
+###########################################################################
+# SECTION 10: Handling untracked files
+#
+# unpack_trees(), upon which the recursive merge algorithm is based, aborts
+# the operation if untracked or dirty files would be deleted or overwritten
+# by the merge. Unfortunately, unpack_trees() does not understand renames,
+# and if it doesn't abort, then it muddies up the working directory before
+# we even get to the point of detecting renames, so we need some special
+# handling, at least in the case of directory renames.
+###########################################################################
+
+# Testcase 10a, Overwrite untracked: normal rename/delete
+# Commit O: z/{b,c_1}
+# Commit A: z/b + untracked z/c + untracked z/d
+# Commit B: z/{b,d_1}
+# Expected: Aborted Merge +
+# ERROR_MSG(untracked working tree files would be overwritten by merge)
+
+test_expect_success '10a-setup: Overwrite untracked with normal rename/delete' '
+ test_create_repo 10a &&
+ (
+ cd 10a &&
+
+ mkdir z &&
+ echo b >z/b &&
+ echo c >z/c &&
+ git add z &&
+ test_tick &&
+ git commit -m "O" &&
+
+ git branch O &&
+ git branch A &&
+ git branch B &&
+
+ git checkout A &&
+ git rm z/c &&
+ test_tick &&
+ git commit -m "A" &&
+
+ git checkout B &&
+ git mv z/c z/d &&
+ test_tick &&
+ git commit -m "B"
+ )
+'
+
+test_expect_success '10a-check: Overwrite untracked with normal rename/delete' '
+ (
+ cd 10a &&
+
+ git checkout A^0 &&
+ echo very >z/c &&
+ echo important >z/d &&
+
+ test_must_fail git merge -s recursive B^0 >out 2>err &&
+ test_i18ngrep "The following untracked working tree files would be overwritten by merge" err &&
+
+ git ls-files -s >out &&
+ test_line_count = 1 out &&
+ git ls-files -o >out &&
+ test_line_count = 4 out &&
+
+ echo very >expect &&
+ test_cmp expect z/c &&
+
+ echo important >expect &&
+ test_cmp expect z/d &&
+
+ git rev-parse HEAD:z/b >actual &&
+ git rev-parse O:z/b >expect &&
+ test_cmp expect actual
+ )
+'
+
+# Testcase 10b, Overwrite untracked: dir rename + delete
+# Commit O: z/{b,c_1}
+# Commit A: y/b + untracked y/{c,d,e}
+# Commit B: z/{b,d_1,e}
+# Expected: Failed Merge; y/b + untracked y/c + untracked y/d on disk +
+# z/c_1 -> z/d_1 rename recorded at stage 3 for y/d +
+# ERROR_MSG(refusing to lose untracked file at 'y/d')
+
+test_expect_success '10b-setup: Overwrite untracked with dir rename + delete' '
+ test_create_repo 10b &&
+ (
+ cd 10b &&
+
+ mkdir z &&
+ echo b >z/b &&
+ echo c >z/c &&
+ git add z &&
+ test_tick &&
+ git commit -m "O" &&
+
+ git branch O &&
+ git branch A &&
+ git branch B &&
+
+ git checkout A &&
+ git rm z/c &&
+ git mv z/ y/ &&
+ test_tick &&
+ git commit -m "A" &&
+
+ git checkout B &&
+ git mv z/c z/d &&
+ echo e >z/e &&
+ git add z/e &&
+ test_tick &&
+ git commit -m "B"
+ )
+'
+
+test_expect_failure '10b-check: Overwrite untracked with dir rename + delete' '
+ (
+ cd 10b &&
+
+ git checkout A^0 &&
+ echo very >y/c &&
+ echo important >y/d &&
+ echo contents >y/e &&
+
+ test_must_fail git merge -s recursive B^0 >out 2>err &&
+ test_i18ngrep "CONFLICT (rename/delete).*Version B\^0 of y/d left in tree at y/d~B\^0" out &&
+ test_i18ngrep "Error: Refusing to lose untracked file at y/e; writing to y/e~B\^0 instead" out &&
+
+ git ls-files -s >out &&
+ test_line_count = 3 out &&
+ git ls-files -u >out &&
+ test_line_count = 2 out &&
+ git ls-files -o >out &&
+ test_line_count = 5 out &&
+
+ git rev-parse >actual \
+ :0:y/b :3:y/d :3:y/e &&
+ git rev-parse >expect \
+ O:z/b O:z/c B:z/e &&
+ test_cmp expect actual &&
+
+ echo very >expect &&
+ test_cmp expect y/c &&
+
+ echo important >expect &&
+ test_cmp expect y/d &&
+
+ echo contents >expect &&
+ test_cmp expect y/e
+ )
+'
+
+# Testcase 10c, Overwrite untracked: dir rename/rename(1to2)
+# Commit O: z/{a,b}, x/{c,d}
+# Commit A: y/{a,b}, w/c, x/d + different untracked y/c
+# Commit B: z/{a,b,c}, x/d
+# Expected: Failed Merge; y/{a,b} + x/d + untracked y/c +
+# CONFLICT(rename/rename) x/c -> w/c vs y/c +
+# y/c~B^0 +
+# ERROR_MSG(Refusing to lose untracked file at y/c)
+
+test_expect_success '10c-setup: Overwrite untracked with dir rename/rename(1to2)' '
+ test_create_repo 10c &&
+ (
+ cd 10c &&
+
+ mkdir z x &&
+ echo a >z/a &&
+ echo b >z/b &&
+ echo c >x/c &&
+ echo d >x/d &&
+ git add z x &&
+ test_tick &&
+ git commit -m "O" &&
+
+ git branch O &&
+ git branch A &&
+ git branch B &&
+
+ git checkout A &&
+ mkdir w &&
+ git mv x/c w/c &&
+ git mv z/ y/ &&
+ test_tick &&
+ git commit -m "A" &&
+
+ git checkout B &&
+ git mv x/c z/ &&
+ test_tick &&
+ git commit -m "B"
+ )
+'
+
+test_expect_failure '10c-check: Overwrite untracked with dir rename/rename(1to2)' '
+ (
+ cd 10c &&
+
+ git checkout A^0 &&
+ echo important >y/c &&
+
+ test_must_fail git merge -s recursive B^0 >out 2>err &&
+ test_i18ngrep "CONFLICT (rename/rename)" out &&
+ test_i18ngrep "Refusing to lose untracked file at y/c; adding as y/c~B\^0 instead" out &&
+
+ git ls-files -s >out &&
+ test_line_count = 6 out &&
+ git ls-files -u >out &&
+ test_line_count = 3 out &&
+ git ls-files -o >out &&
+ test_line_count = 3 out &&
+
+ git rev-parse >actual \
+ :0:y/a :0:y/b :0:x/d :1:x/c :2:w/c :3:y/c &&
+ git rev-parse >expect \
+ O:z/a O:z/b O:x/d O:x/c O:x/c O:x/c &&
+ test_cmp expect actual &&
+
+ git hash-object y/c~B^0 >actual &&
+ git rev-parse O:x/c >expect &&
+ test_cmp expect actual &&
+
+ echo important >expect &&
+ test_cmp expect y/c
+ )
+'
+
+# Testcase 10d, Delete untracked w/ dir rename/rename(2to1)
+# Commit O: z/{a,b,c_1}, x/{d,e,f_2}
+# Commit A: y/{a,b}, x/{d,e,f_2,wham_1} + untracked y/wham
+# Commit B: z/{a,b,c_1,wham_2}, y/{d,e}
+# Expected: Failed Merge; y/{a,b,d,e} + untracked y/{wham,wham~B^0,wham~HEAD}+
+# CONFLICT(rename/rename) z/c_1 vs x/f_2 -> y/wham
+# ERROR_MSG(Refusing to lose untracked file at y/wham)
+
+test_expect_success '10d-setup: Delete untracked with dir rename/rename(2to1)' '
+ test_create_repo 10d &&
+ (
+ cd 10d &&
+
+ mkdir z x &&
+ echo a >z/a &&
+ echo b >z/b &&
+ echo c >z/c &&
+ echo d >x/d &&
+ echo e >x/e &&
+ echo f >x/f &&
+ git add z x &&
+ test_tick &&
+ git commit -m "O" &&
+
+ git branch O &&
+ git branch A &&
+ git branch B &&
+
+ git checkout A &&
+ git mv z/c x/wham &&
+ git mv z/ y/ &&
+ test_tick &&
+ git commit -m "A" &&
+
+ git checkout B &&
+ git mv x/f z/wham &&
+ git mv x/ y/ &&
+ test_tick &&
+ git commit -m "B"
+ )
+'
+
+test_expect_failure '10d-check: Delete untracked with dir rename/rename(2to1)' '
+ (
+ cd 10d &&
+
+ git checkout A^0 &&
+ echo important >y/wham &&
+
+ test_must_fail git merge -s recursive B^0 >out 2>err &&
+ test_i18ngrep "CONFLICT (rename/rename)" out &&
+ test_i18ngrep "Refusing to lose untracked file at y/wham" out &&
+
+ git ls-files -s >out &&
+ test_line_count = 6 out &&
+ git ls-files -u >out &&
+ test_line_count = 2 out &&
+ git ls-files -o >out &&
+ test_line_count = 4 out &&
+
+ git rev-parse >actual \
+ :0:y/a :0:y/b :0:y/d :0:y/e :2:y/wham :3:y/wham &&
+ git rev-parse >expect \
+ O:z/a O:z/b O:x/d O:x/e O:z/c O:x/f &&
+ test_cmp expect actual &&
+
+ test_must_fail git rev-parse :1:y/wham &&
+
+ echo important >expect &&
+ test_cmp expect y/wham &&
+
+ git hash-object >actual \
+ y/wham~B^0 y/wham~HEAD &&
+ git rev-parse >expect \
+ O:x/f O:z/c &&
+ test_cmp expect actual
+ )
+'
+
+# Testcase 10e, Does git complain about untracked file that's not in the way?
+# Commit O: z/{a,b}
+# Commit A: y/{a,b} + untracked z/c
+# Commit B: z/{a,b,c}
+# Expected: y/{a,b,c} + untracked z/c
+
+test_expect_success '10e-setup: Does git complain about untracked file that is not really in the way?' '
+ test_create_repo 10e &&
+ (
+ cd 10e &&
+
+ mkdir z &&
+ echo a >z/a &&
+ echo b >z/b &&
+ git add z &&
+ test_tick &&
+ git commit -m "O" &&
+
+ git branch O &&
+ git branch A &&
+ git branch B &&
+
+ git checkout A &&
+ git mv z/ y/ &&
+ test_tick &&
+ git commit -m "A" &&
+
+ git checkout B &&
+ echo c >z/c &&
+ git add z/c &&
+ test_tick &&
+ git commit -m "B"
+ )
+'
+
+test_expect_failure '10e-check: Does git complain about untracked file that is not really in the way?' '
+ (
+ cd 10e &&
+
+ git checkout A^0 &&
+ mkdir z &&
+ echo random >z/c &&
+
+ git merge -s recursive B^0 >out 2>err &&
+ test_i18ngrep ! "following untracked working tree files would be overwritten by merge" err &&
+
+ git ls-files -s >out &&
+ test_line_count = 3 out &&
+ git ls-files -u >out &&
+ test_line_count = 0 out &&
+ git ls-files -o >out &&
+ test_line_count = 3 out &&
+
+ git rev-parse >actual \
+ :0:y/a :0:y/b :0:y/c &&
+ git rev-parse >expect \
+ O:z/a O:z/b B:z/c &&
+ test_cmp expect actual &&
+
+ echo random >expect &&
+ test_cmp expect z/c
+ )
+'
+
+###########################################################################
+# SECTION 11: Handling dirty (not up-to-date) files
+#
+# unpack_trees(), upon which the recursive merge algorithm is based, aborts
+# the operation if untracked or dirty files would be deleted or overwritten
+# by the merge. Unfortunately, unpack_trees() does not understand renames,
+# and if it doesn't abort, then it muddies up the working directory before
+# we even get to the point of detecting renames, so we need some special
+# handling. This was true even of normal renames, but there are additional
+# codepaths that need special handling with directory renames. Add
+# testcases for both renamed-by-directory-rename-detection and standard
+# rename cases.
+###########################################################################
+
+# Testcase 11a, Avoid losing dirty contents with simple rename
+# Commit O: z/{a,b_v1},
+# Commit A: z/{a,c_v1}, and z/c_v1 has uncommitted mods
+# Commit B: z/{a,b_v2}
+# Expected: ERROR_MSG(Refusing to lose dirty file at z/c) +
+# z/a, staged version of z/c has sha1sum matching B:z/b_v2,
+# z/c~HEAD with contents of B:z/b_v2,
+# z/c with uncommitted mods on top of A:z/c_v1
+
+test_expect_success '11a-setup: Avoid losing dirty contents with simple rename' '
+ test_create_repo 11a &&
+ (
+ cd 11a &&
+
+ mkdir z &&
+ echo a >z/a &&
+ test_seq 1 10 >z/b &&
+ git add z &&
+ test_tick &&
+ git commit -m "O" &&
+
+ git branch O &&
+ git branch A &&
+ git branch B &&
+
+ git checkout A &&
+ git mv z/b z/c &&
+ test_tick &&
+ git commit -m "A" &&
+
+ git checkout B &&
+ echo 11 >>z/b &&
+ git add z/b &&
+ test_tick &&
+ git commit -m "B"
+ )
+'
+
+test_expect_failure '11a-check: Avoid losing dirty contents with simple rename' '
+ (
+ cd 11a &&
+
+ git checkout A^0 &&
+ echo stuff >>z/c &&
+
+ test_must_fail git merge -s recursive B^0 >out 2>err &&
+ test_i18ngrep "Refusing to lose dirty file at z/c" out &&
+
+ test_seq 1 10 >expected &&
+ echo stuff >>expected &&
+ test_cmp expected z/c &&
+
+ git ls-files -s >out &&
+ test_line_count = 2 out &&
+ git ls-files -u >out &&
+ test_line_count = 1 out &&
+ git ls-files -o >out &&
+ test_line_count = 4 out &&
+
+ git rev-parse >actual \
+ :0:z/a :2:z/c &&
+ git rev-parse >expect \
+ O:z/a B:z/b &&
+ test_cmp expect actual &&
+
+ git hash-object z/c~HEAD >actual &&
+ git rev-parse B:z/b >expect &&
+ test_cmp expect actual
+ )
+'
+
+# Testcase 11b, Avoid losing dirty file involved in directory rename
+# Commit O: z/a, x/{b,c_v1}
+# Commit A: z/{a,c_v1}, x/b, and z/c_v1 has uncommitted mods
+# Commit B: y/a, x/{b,c_v2}
+# Expected: y/{a,c_v2}, x/b, z/c_v1 with uncommitted mods untracked,
+# ERROR_MSG(Refusing to lose dirty file at z/c)
+
+
+test_expect_success '11b-setup: Avoid losing dirty file involved in directory rename' '
+ test_create_repo 11b &&
+ (
+ cd 11b &&
+
+ mkdir z x &&
+ echo a >z/a &&
+ echo b >x/b &&
+ test_seq 1 10 >x/c &&
+ git add z x &&
+ test_tick &&
+ git commit -m "O" &&
+
+ git branch O &&
+ git branch A &&
+ git branch B &&
+
+ git checkout A &&
+ git mv x/c z/c &&
+ test_tick &&
+ git commit -m "A" &&
+
+ git checkout B &&
+ git mv z y &&
+ echo 11 >>x/c &&
+ git add x/c &&
+ test_tick &&
+ git commit -m "B"
+ )
+'
+
+test_expect_failure '11b-check: Avoid losing dirty file involved in directory rename' '
+ (
+ cd 11b &&
+
+ git checkout A^0 &&
+ echo stuff >>z/c &&
+
+ git merge -s recursive B^0 >out 2>err &&
+ test_i18ngrep "Refusing to lose dirty file at z/c" out &&
+
+ grep -q stuff z/c &&
+ test_seq 1 10 >expected &&
+ echo stuff >>expected &&
+ test_cmp expected z/c &&
+
+ git ls-files -s >out &&
+ test_line_count = 3 out &&
+ git ls-files -u >out &&
+ test_line_count = 0 out &&
+ git ls-files -m >out &&
+ test_line_count = 0 out &&
+ git ls-files -o >out &&
+ test_line_count = 4 out &&
+
+ git rev-parse >actual \
+ :0:x/b :0:y/a :0:y/c &&
+ git rev-parse >expect \
+ O:x/b O:z/a B:x/c &&
+ test_cmp expect actual &&
+
+ git hash-object y/c >actual &&
+ git rev-parse B:x/c >expect &&
+ test_cmp expect actual
+ )
+'
+
+# Testcase 11c, Avoid losing not-up-to-date with rename + D/F conflict
+# Commit O: y/a, x/{b,c_v1}
+# Commit A: y/{a,c_v1}, x/b, and y/c_v1 has uncommitted mods
+# Commit B: y/{a,c/d}, x/{b,c_v2}
+# Expected: Abort_msg("following files would be overwritten by merge") +
+# y/c left untouched (still has uncommitted mods)
+
+test_expect_success '11c-setup: Avoid losing not-uptodate with rename + D/F conflict' '
+ test_create_repo 11c &&
+ (
+ cd 11c &&
+
+ mkdir y x &&
+ echo a >y/a &&
+ echo b >x/b &&
+ test_seq 1 10 >x/c &&
+ git add y x &&
+ test_tick &&
+ git commit -m "O" &&
+
+ git branch O &&
+ git branch A &&
+ git branch B &&
+
+ git checkout A &&
+ git mv x/c y/c &&
+ test_tick &&
+ git commit -m "A" &&
+
+ git checkout B &&
+ mkdir y/c &&
+ echo d >y/c/d &&
+ echo 11 >>x/c &&
+ git add x/c y/c/d &&
+ test_tick &&
+ git commit -m "B"
+ )
+'
+
+test_expect_success '11c-check: Avoid losing not-uptodate with rename + D/F conflict' '
+ (
+ cd 11c &&
+
+ git checkout A^0 &&
+ echo stuff >>y/c &&
+
+ test_must_fail git merge -s recursive B^0 >out 2>err &&
+ test_i18ngrep "following files would be overwritten by merge" err &&
+
+ grep -q stuff y/c &&
+ test_seq 1 10 >expected &&
+ echo stuff >>expected &&
+ test_cmp expected y/c &&
+
+ git ls-files -s >out &&
+ test_line_count = 3 out &&
+ git ls-files -u >out &&
+ test_line_count = 0 out &&
+ git ls-files -m >out &&
+ test_line_count = 1 out &&
+ git ls-files -o >out &&
+ test_line_count = 3 out
+ )
+'
+
+# Testcase 11d, Avoid losing not-up-to-date with rename + D/F conflict
+# Commit O: z/a, x/{b,c_v1}
+# Commit A: z/{a,c_v1}, x/b, and z/c_v1 has uncommitted mods
+# Commit B: y/{a,c/d}, x/{b,c_v2}
+# Expected: D/F: y/c_v2 vs y/c/d) +
+# Warning_Msg("Refusing to lose dirty file at z/c) +
+# y/{a,c~HEAD,c/d}, x/b, now-untracked z/c_v1 with uncommitted mods
+
+test_expect_success '11d-setup: Avoid losing not-uptodate with rename + D/F conflict' '
+ test_create_repo 11d &&
+ (
+ cd 11d &&
+
+ mkdir z x &&
+ echo a >z/a &&
+ echo b >x/b &&
+ test_seq 1 10 >x/c &&
+ git add z x &&
+ test_tick &&
+ git commit -m "O" &&
+
+ git branch O &&
+ git branch A &&
+ git branch B &&
+
+ git checkout A &&
+ git mv x/c z/c &&
+ test_tick &&
+ git commit -m "A" &&
+
+ git checkout B &&
+ git mv z y &&
+ mkdir y/c &&
+ echo d >y/c/d &&
+ echo 11 >>x/c &&
+ git add x/c y/c/d &&
+ test_tick &&
+ git commit -m "B"
+ )
+'
+
+test_expect_failure '11d-check: Avoid losing not-uptodate with rename + D/F conflict' '
+ (
+ cd 11d &&
+
+ git checkout A^0 &&
+ echo stuff >>z/c &&
+
+ test_must_fail git merge -s recursive B^0 >out 2>err &&
+ test_i18ngrep "Refusing to lose dirty file at z/c" out &&
+
+ grep -q stuff z/c &&
+ test_seq 1 10 >expected &&
+ echo stuff >>expected &&
+ test_cmp expected z/c
+
+ git ls-files -s >out &&
+ test_line_count = 4 out &&
+ git ls-files -u >out &&
+ test_line_count = 1 out &&
+ git ls-files -o >out &&
+ test_line_count = 5 out &&
+
+ git rev-parse >actual \
+ :0:x/b :0:y/a :0:y/c/d :3:y/c &&
+ git rev-parse >expect \
+ O:x/b O:z/a B:y/c/d B:x/c &&
+ test_cmp expect actual &&
+
+ git hash-object y/c~HEAD >actual &&
+ git rev-parse B:x/c >expect &&
+ test_cmp expect actual
+ )
+'
+
+# Testcase 11e, Avoid deleting not-up-to-date with dir rename/rename(1to2)/add
+# Commit O: z/{a,b}, x/{c_1,d}
+# Commit A: y/{a,b,c_2}, x/d, w/c_1, and y/c_2 has uncommitted mods
+# Commit B: z/{a,b,c_1}, x/d
+# Expected: Failed Merge; y/{a,b} + x/d +
+# CONFLICT(rename/rename) x/c_1 -> w/c_1 vs y/c_1 +
+# ERROR_MSG(Refusing to lose dirty file at y/c)
+# y/c~B^0 has O:x/c_1 contents
+# y/c~HEAD has A:y/c_2 contents
+# y/c has dirty file from before merge
+
+test_expect_success '11e-setup: Avoid deleting not-uptodate with dir rename/rename(1to2)/add' '
+ test_create_repo 11e &&
+ (
+ cd 11e &&
+
+ mkdir z x &&
+ echo a >z/a &&
+ echo b >z/b &&
+ echo c >x/c &&
+ echo d >x/d &&
+ git add z x &&
+ test_tick &&
+ git commit -m "O" &&
+
+ git branch O &&
+ git branch A &&
+ git branch B &&
+
+ git checkout A &&
+ git mv z/ y/ &&
+ echo different >y/c &&
+ mkdir w &&
+ git mv x/c w/ &&
+ git add y/c &&
+ test_tick &&
+ git commit -m "A" &&
+
+ git checkout B &&
+ git mv x/c z/ &&
+ test_tick &&
+ git commit -m "B"
+ )
+'
+
+test_expect_failure '11e-check: Avoid deleting not-uptodate with dir rename/rename(1to2)/add' '
+ (
+ cd 11e &&
+
+ git checkout A^0 &&
+ echo mods >>y/c &&
+
+ test_must_fail git merge -s recursive B^0 >out 2>err &&
+ test_i18ngrep "CONFLICT (rename/rename)" out &&
+ test_i18ngrep "Refusing to lose dirty file at y/c" out &&
+
+ git ls-files -s >out &&
+ test_line_count = 7 out &&
+ git ls-files -u >out &&
+ test_line_count = 4 out &&
+ git ls-files -o >out &&
+ test_line_count = 4 out &&
+
+ echo different >expected &&
+ echo mods >>expected &&
+ test_cmp expected y/c &&
+
+ git rev-parse >actual \
+ :0:y/a :0:y/b :0:x/d :1:x/c :2:w/c :2:y/c :3:y/c &&
+ git rev-parse >expect \
+ O:z/a O:z/b O:x/d O:x/c O:x/c A:y/c O:x/c &&
+ test_cmp expect actual &&
+
+ git hash-object >actual \
+ y/c~B^0 y/c~HEAD &&
+ git rev-parse >expect \
+ O:x/c A:y/c &&
+ test_cmp expect actual
+ )
+'
+
+# Testcase 11f, Avoid deleting not-up-to-date w/ dir rename/rename(2to1)
+# Commit O: z/{a,b}, x/{c_1,d_2}
+# Commit A: y/{a,b,wham_1}, x/d_2, except y/wham has uncommitted mods
+# Commit B: z/{a,b,wham_2}, x/c_1
+# Expected: Failed Merge; y/{a,b} + untracked y/{wham~B^0,wham~B^HEAD} +
+# y/wham with dirty changes from before merge +
+# CONFLICT(rename/rename) x/c vs x/d -> y/wham
+# ERROR_MSG(Refusing to lose dirty file at y/wham)
+
+test_expect_success '11f-setup: Avoid deleting not-uptodate with dir rename/rename(2to1)' '
+ test_create_repo 11f &&
+ (
+ cd 11f &&
+
+ mkdir z x &&
+ echo a >z/a &&
+ echo b >z/b &&
+ test_seq 1 10 >x/c &&
+ echo d >x/d &&
+ git add z x &&
+ test_tick &&
+ git commit -m "O" &&
+
+ git branch O &&
+ git branch A &&
+ git branch B &&
+
+ git checkout A &&
+ git mv z/ y/ &&
+ git mv x/c y/wham &&
+ test_tick &&
+ git commit -m "A" &&
+
+ git checkout B &&
+ git mv x/d z/wham &&
+ test_tick &&
+ git commit -m "B"
+ )
+'
+
+test_expect_failure '11f-check: Avoid deleting not-uptodate with dir rename/rename(2to1)' '
+ (
+ cd 11f &&
+
+ git checkout A^0 &&
+ echo important >>y/wham &&
+
+ test_must_fail git merge -s recursive B^0 >out 2>err &&
+ test_i18ngrep "CONFLICT (rename/rename)" out &&
+ test_i18ngrep "Refusing to lose dirty file at y/wham" out &&
+
+ git ls-files -s >out &&
+ test_line_count = 4 out &&
+ git ls-files -u >out &&
+ test_line_count = 2 out &&
+ git ls-files -o >out &&
+ test_line_count = 4 out &&
+
+ test_seq 1 10 >expected &&
+ echo important >>expected &&
+ test_cmp expected y/wham &&
+
+ test_must_fail git rev-parse :1:y/wham &&
+ git hash-object >actual \
+ y/wham~B^0 y/wham~HEAD &&
+ git rev-parse >expect \
+ O:x/d O:x/c &&
+ test_cmp expect actual &&
+
+ git rev-parse >actual \
+ :0:y/a :0:y/b :2:y/wham :3:y/wham &&
+ git rev-parse >expect \
+ O:z/a O:z/b O:x/c O:x/d &&
+ test_cmp expect actual
+ )
+'
+
test_done