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80c49c3de2
Make the --color-words splitting regular expression configurable via the diff driver's 'wordregex' attribute. The user can then set the driver on a file in .gitattributes. If a regex is given on the command line, it overrides the driver's setting. We also provide built-in regexes for the languages that already had funcname patterns, and add an appropriate diff driver entry for C/++. (The patterns are designed to run UTF-8 sequences into a single chunk to make sure they remain readable.) Signed-off-by: Thomas Rast <trast@student.ethz.ch> Signed-off-by: Junio C Hamano <gitster@pobox.com>
160 lines
2.7 KiB
Bash
Executable File
160 lines
2.7 KiB
Bash
Executable File
#!/bin/sh
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test_description='word diff colors'
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. ./test-lib.sh
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test_expect_success setup '
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git config diff.color.old red
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git config diff.color.new green
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'
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decrypt_color () {
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sed \
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-e 's/.\[1m/<WHITE>/g' \
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-e 's/.\[31m/<RED>/g' \
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-e 's/.\[32m/<GREEN>/g' \
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-e 's/.\[36m/<BROWN>/g' \
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-e 's/.\[m/<RESET>/g'
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}
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word_diff () {
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test_must_fail git diff --no-index "$@" pre post > output &&
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decrypt_color < output > output.decrypted &&
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test_cmp expect output.decrypted
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}
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cat > pre <<\EOF
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h(4)
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a = b + c
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EOF
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cat > post <<\EOF
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h(4),hh[44]
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a = b + c
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aa = a
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aeff = aeff * ( aaa )
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EOF
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cat > expect <<\EOF
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<WHITE>diff --git a/pre b/post<RESET>
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<WHITE>index 330b04f..5ed8eff 100644<RESET>
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<WHITE>--- a/pre<RESET>
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<WHITE>+++ b/post<RESET>
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<BROWN>@@ -1,3 +1,7 @@<RESET>
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<RED>h(4)<RESET><GREEN>h(4),hh[44]<RESET>
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<RESET>
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a = b + c<RESET>
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<GREEN>aa = a<RESET>
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<GREEN>aeff = aeff * ( aaa )<RESET>
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EOF
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test_expect_success 'word diff with runs of whitespace' '
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word_diff --color-words
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'
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cat > expect <<\EOF
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<WHITE>diff --git a/pre b/post<RESET>
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<WHITE>index 330b04f..5ed8eff 100644<RESET>
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<WHITE>--- a/pre<RESET>
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<WHITE>+++ b/post<RESET>
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<BROWN>@@ -1,3 +1,7 @@<RESET>
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h(4),<GREEN>hh<RESET>[44]
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<RESET>
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a = b + c<RESET>
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<GREEN>aa = a<RESET>
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<GREEN>aeff = aeff * ( aaa<RESET> )
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EOF
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test_expect_success 'word diff with a regular expression' '
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word_diff --color-words="[a-z]+"
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'
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test_expect_success 'set a diff driver' '
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git config diff.testdriver.wordregex "[^[:space:]]" &&
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cat <<EOF > .gitattributes
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pre diff=testdriver
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post diff=testdriver
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EOF
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'
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test_expect_success 'option overrides default' '
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word_diff --color-words="[a-z]+"
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'
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cat > expect <<\EOF
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<WHITE>diff --git a/pre b/post<RESET>
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<WHITE>index 330b04f..5ed8eff 100644<RESET>
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<WHITE>--- a/pre<RESET>
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<WHITE>+++ b/post<RESET>
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<BROWN>@@ -1,3 +1,7 @@<RESET>
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h(4)<GREEN>,hh[44]<RESET>
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<RESET>
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a = b + c<RESET>
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<GREEN>aa = a<RESET>
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<GREEN>aeff = aeff * ( aaa )<RESET>
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EOF
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test_expect_success 'use default supplied by driver' '
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word_diff --color-words
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'
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echo 'aaa (aaa)' > pre
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echo 'aaa (aaa) aaa' > post
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cat > expect <<\EOF
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<WHITE>diff --git a/pre b/post<RESET>
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<WHITE>index c29453b..be22f37 100644<RESET>
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<WHITE>--- a/pre<RESET>
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<WHITE>+++ b/post<RESET>
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<BROWN>@@ -1 +1 @@<RESET>
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aaa (aaa) <GREEN>aaa<RESET>
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EOF
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test_expect_success 'test parsing words for newline' '
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word_diff --color-words="a+"
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'
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echo '(:' > pre
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echo '(' > post
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cat > expect <<\EOF
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<WHITE>diff --git a/pre b/post<RESET>
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<WHITE>index 289cb9d..2d06f37 100644<RESET>
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<WHITE>--- a/pre<RESET>
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<WHITE>+++ b/post<RESET>
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<BROWN>@@ -1 +1 @@<RESET>
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(<RED>:<RESET>
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EOF
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test_expect_success 'test when words are only removed at the end' '
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word_diff --color-words=.
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'
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test_done
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