diff: enable indent heuristic by default
The feature was included in v2.11 (released 2016-11-29) and we got no negative feedback. Quite the opposite, all feedback we got was positive. Turn it on by default. Users who dislike the feature can turn it off by setting diff.indentHeuristic (which also configures plumbing commands, see prior patches). The change to t/t4051-diff-function-context.sh is needed because the heuristic shifts the changed hunk in the patch. To get the same result regardless of the heuristic configuration, we modify the test file differently: We insert a completely new line after line 2, instead of simply duplicating it. Helped-by: Jeff King <peff@peff.net> Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Marc Branchaud <marcnarc@xiplink.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Stefan Beller
Junio C Hamano
parent
37590ce3c5
commit
33de716387
2
diff.c
2
diff.c
@ -27,7 +27,7 @@
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#endif
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static int diff_detect_rename_default;
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static int diff_indent_heuristic; /* experimental */
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static int diff_indent_heuristic = 1;
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static int diff_rename_limit_default = 400;
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static int diff_suppress_blank_empty;
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static int diff_use_color_default = -1;
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@ -72,7 +72,8 @@ test_expect_success 'setup' '
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# overlap function context of 1st change and -u context of 2nd change
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grep -v "delete me from hello" <"$dir/hello.c" >file.c &&
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sed 2p <"$dir/dummy.c" >>file.c &&
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sed "2a\\
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extra line" <"$dir/dummy.c" >>file.c &&
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commit_and_tag changed_hello_dummy file.c &&
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git checkout initial &&
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@ -152,26 +152,28 @@ test_expect_success 'prepare' '
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EOF
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'
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# --- diff tests ----------------------------------------------------------
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test_expect_success 'diff: ugly spaces' '
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git diff old new -- spaces.txt >out &&
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git diff --no-indent-heuristic old new -- spaces.txt >out &&
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compare_diff spaces-expect out
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'
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test_expect_success 'diff: nice spaces with --indent-heuristic' '
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git diff --indent-heuristic old new -- spaces.txt >out-compacted &&
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compare_diff spaces-compacted-expect out-compacted
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'
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test_expect_success 'diff: nice spaces with diff.indentHeuristic' '
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git -c diff.indentHeuristic=true diff old new -- spaces.txt >out-compacted2 &&
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compare_diff spaces-compacted-expect out-compacted2
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'
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test_expect_success 'diff: --no-indent-heuristic overrides config' '
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git -c diff.indentHeuristic=true diff --no-indent-heuristic old new -- spaces.txt >out2 &&
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compare_diff spaces-expect out2
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'
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test_expect_success 'diff: nice spaces with --indent-heuristic' '
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git -c diff.indentHeuristic=false diff --indent-heuristic old new -- spaces.txt >out-compacted &&
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compare_diff spaces-compacted-expect out-compacted
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'
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test_expect_success 'diff: nice spaces with diff.indentHeuristic=true' '
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git -c diff.indentHeuristic=true diff old new -- spaces.txt >out-compacted2 &&
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compare_diff spaces-compacted-expect out-compacted2
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'
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test_expect_success 'diff: --indent-heuristic with --patience' '
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git diff --indent-heuristic --patience old new -- spaces.txt >out-compacted3 &&
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compare_diff spaces-compacted-expect out-compacted3
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@ -183,7 +185,7 @@ test_expect_success 'diff: --indent-heuristic with --histogram' '
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'
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test_expect_success 'diff: ugly functions' '
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git diff old new -- functions.c >out &&
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git diff --no-indent-heuristic old new -- functions.c >out &&
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compare_diff functions-expect out
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'
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@ -192,42 +194,73 @@ test_expect_success 'diff: nice functions with --indent-heuristic' '
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compare_diff functions-compacted-expect out-compacted
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'
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test_expect_success 'blame: ugly spaces' '
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git blame old..new -- spaces.txt >out-blame &&
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compare_blame spaces-expect out-blame
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'
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# --- blame tests ---------------------------------------------------------
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test_expect_success 'blame: nice spaces with --indent-heuristic' '
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git blame --indent-heuristic old..new -- spaces.txt >out-blame-compacted &&
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compare_blame spaces-compacted-expect out-blame-compacted
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'
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test_expect_success 'blame: nice spaces with diff.indentHeuristic' '
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test_expect_success 'blame: nice spaces with diff.indentHeuristic=true' '
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git -c diff.indentHeuristic=true blame old..new -- spaces.txt >out-blame-compacted2 &&
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compare_blame spaces-compacted-expect out-blame-compacted2
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'
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test_expect_success 'blame: --no-indent-heuristic overrides config' '
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git -c diff.indentHeuristic=true blame --no-indent-heuristic old..new -- spaces.txt >out-blame2 &&
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git blame old..new -- spaces.txt >out-blame &&
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test_expect_success 'blame: ugly spaces with --no-indent-heuristic' '
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git blame --no-indent-heuristic old..new -- spaces.txt >out-blame &&
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compare_blame spaces-expect out-blame
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'
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test_expect_success 'blame: ugly spaces with diff.indentHeuristic=false' '
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git -c diff.indentHeuristic=false blame old..new -- spaces.txt >out-blame2 &&
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compare_blame spaces-expect out-blame2
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'
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test_expect_success 'blame: --no-indent-heuristic overrides config' '
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git -c diff.indentHeuristic=true blame --no-indent-heuristic old..new -- spaces.txt >out-blame3 &&
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git blame old..new -- spaces.txt >out-blame &&
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compare_blame spaces-expect out-blame3
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'
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test_expect_success 'blame: --indent-heuristic overrides config' '
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git -c diff.indentHeuristic=false blame --indent-heuristic old..new -- spaces.txt >out-blame-compacted3 &&
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compare_blame spaces-compacted-expect out-blame-compacted2
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'
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# --- diff-tree tests -----------------------------------------------------
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test_expect_success 'diff-tree: nice spaces with --indent-heuristic' '
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git diff-tree --indent-heuristic -p old new -- spaces.txt >out-diff-tree-compacted &&
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compare_diff spaces-compacted-expect out-diff-tree-compacted
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'
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test_expect_success 'diff-tree: nice spaces with diff.indentHeuristic' '
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test_expect_success 'diff-tree: nice spaces with diff.indentHeuristic=true' '
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git -c diff.indentHeuristic=true diff-tree -p old new -- spaces.txt >out-diff-tree-compacted2 &&
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compare_diff spaces-compacted-expect out-diff-tree-compacted2
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'
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test_expect_success 'diff-tree: --no-indent-heuristic overrides config' '
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git -c diff.indentHeuristic=true diff-tree --no-indent-heuristic -p old new -- spaces.txt >out-diff-tree &&
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test_expect_success 'diff-tree: ugly spaces with --no-indent-heuristic' '
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git diff-tree --no-indent-heuristic -p old new -- spaces.txt >out-diff-tree &&
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compare_diff spaces-expect out-diff-tree
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'
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test_expect_success 'diff-tree: ugly spaces with diff.indentHeuristic=false' '
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git -c diff.indentHeuristic=false diff-tree -p old new -- spaces.txt >out-diff-tree2 &&
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compare_diff spaces-expect out-diff-tree2
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'
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test_expect_success 'diff-tree: --indent-heuristic overrides config' '
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git -c diff.indentHeuristic=false diff-tree --indent-heuristic -p old new -- spaces.txt >out-diff-tree-compacted3 &&
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compare_diff spaces-compacted-expect out-diff-tree-compacted3
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'
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test_expect_success 'diff-tree: --no-indent-heuristic overrides config' '
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git -c diff.indentHeuristic=true diff-tree --no-indent-heuristic -p old new -- spaces.txt >out-diff-tree3 &&
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compare_diff spaces-expect out-diff-tree3
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'
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# --- diff-index tests ----------------------------------------------------
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test_expect_success 'diff-index: nice spaces with --indent-heuristic' '
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git checkout -B diff-index &&
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git reset --soft HEAD~ &&
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@ -236,7 +269,7 @@ test_expect_success 'diff-index: nice spaces with --indent-heuristic' '
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git checkout -f master
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'
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test_expect_success 'diff-index: nice spaces with diff.indentHeuristic' '
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test_expect_success 'diff-index: nice spaces with diff.indentHeuristic=true' '
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git checkout -B diff-index &&
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git reset --soft HEAD~ &&
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git -c diff.indentHeuristic=true diff-index -p old -- spaces.txt >out-diff-index-compacted2 &&
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@ -244,24 +277,50 @@ test_expect_success 'diff-index: nice spaces with diff.indentHeuristic' '
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git checkout -f master
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'
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test_expect_success 'diff-index: --no-indent-heuristic overrides config' '
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test_expect_success 'diff-index: ugly spaces with --no-indent-heuristic' '
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git checkout -B diff-index &&
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git reset --soft HEAD~ &&
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git -c diff.indentHeuristic=true diff-index --no-indent-heuristic -p old -- spaces.txt >out-diff-index &&
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git diff-index --no-indent-heuristic -p old -- spaces.txt >out-diff-index &&
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compare_diff spaces-expect out-diff-index &&
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git checkout -f master
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'
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test_expect_success 'diff-files: nice spaces with diff.indentHeuristic' '
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test_expect_success 'diff-index: ugly spaces with diff.indentHeuristic=false' '
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git checkout -B diff-index &&
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git reset --soft HEAD~ &&
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git -c diff.indentHeuristic=false diff-index -p old -- spaces.txt >out-diff-index2 &&
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compare_diff spaces-expect out-diff-index2 &&
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git checkout -f master
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'
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test_expect_success 'diff-index: --indent-heuristic overrides config' '
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git checkout -B diff-index &&
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git reset --soft HEAD~ &&
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git -c diff.indentHeuristic=false diff-index --indent-heuristic -p old -- spaces.txt >out-diff-index-compacted3 &&
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compare_diff spaces-compacted-expect out-diff-index-compacted3 &&
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git checkout -f master
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'
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test_expect_success 'diff-index: --no-indent-heuristic overrides config' '
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git checkout -B diff-index &&
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git reset --soft HEAD~ &&
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git -c diff.indentHeuristic=true diff-index --no-indent-heuristic -p old -- spaces.txt >out-diff-index3 &&
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compare_diff spaces-expect out-diff-index3 &&
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git checkout -f master
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'
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# --- diff-files tests ----------------------------------------------------
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test_expect_success 'diff-files: nice spaces with --indent-heuristic' '
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git checkout -B diff-files &&
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git reset HEAD~ &&
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git -c diff.indentHeuristic=true diff-files -p spaces.txt >out-diff-files-raw &&
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git diff-files --indent-heuristic -p spaces.txt >out-diff-files-raw &&
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grep -v index out-diff-files-raw >out-diff-files-compacted &&
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compare_diff spaces-compacted-expect out-diff-files-compacted &&
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git checkout -f master
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'
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test_expect_success 'diff-files: nice spaces with diff.indentHeuristic' '
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test_expect_success 'diff-files: nice spaces with diff.indentHeuristic=true' '
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git checkout -B diff-files &&
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git reset HEAD~ &&
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git -c diff.indentHeuristic=true diff-files -p spaces.txt >out-diff-files-raw2 &&
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@ -270,11 +329,38 @@ test_expect_success 'diff-files: nice spaces with diff.indentHeuristic' '
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git checkout -f master
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'
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test_expect_success 'diff-files: ugly spaces with --no-indent-heuristic' '
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git checkout -B diff-files &&
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git reset HEAD~ &&
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git diff-files --no-indent-heuristic -p spaces.txt >out-diff-files-raw &&
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grep -v index out-diff-files-raw >out-diff-files &&
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compare_diff spaces-expect out-diff-files &&
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git checkout -f master
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'
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test_expect_success 'diff-files: ugly spaces with diff.indentHeuristic=false' '
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git checkout -B diff-files &&
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git reset HEAD~ &&
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git -c diff.indentHeuristic=false diff-files -p spaces.txt >out-diff-files-raw2 &&
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grep -v index out-diff-files-raw2 >out-diff-files &&
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compare_diff spaces-expect out-diff-files &&
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git checkout -f master
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'
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test_expect_success 'diff-files: --indent-heuristic overrides config' '
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git checkout -B diff-files &&
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git reset HEAD~ &&
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git -c diff.indentHeuristic=false diff-files --indent-heuristic -p spaces.txt >out-diff-files-raw3 &&
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grep -v index out-diff-files-raw3 >out-diff-files-compacted &&
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compare_diff spaces-compacted-expect out-diff-files-compacted &&
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git checkout -f master
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'
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test_expect_success 'diff-files: --no-indent-heuristic overrides config' '
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git checkout -B diff-files &&
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git reset HEAD~ &&
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git -c diff.indentHeuristic=true diff-files --no-indent-heuristic -p spaces.txt >out-diff-files-raw3 &&
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grep -v index out-diff-files-raw3 >out-diff-files &&
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git -c diff.indentHeuristic=true diff-files --no-indent-heuristic -p spaces.txt >out-diff-files-raw4 &&
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grep -v index out-diff-files-raw4 >out-diff-files &&
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compare_diff spaces-expect out-diff-files &&
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git checkout -f master
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'
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