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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:47:53 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 14:47:53 +0000 |
commit | c8bae7493d2f2910b57f13ded012e86bdcfb0532 (patch) | |
tree | 24e09d9f84dec336720cf393e156089ca2835791 /t/t4107-apply-ignore-whitespace.sh | |
parent | Initial commit. (diff) | |
download | git-17a789943131483bc454986d1be6da6caaabce8c.tar.xz git-17a789943131483bc454986d1be6da6caaabce8c.zip |
Adding upstream version 1:2.39.2.upstream/1%2.39.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 't/t4107-apply-ignore-whitespace.sh')
-rwxr-xr-x | t/t4107-apply-ignore-whitespace.sh | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/t/t4107-apply-ignore-whitespace.sh b/t/t4107-apply-ignore-whitespace.sh new file mode 100755 index 0000000..ac72eea --- /dev/null +++ b/t/t4107-apply-ignore-whitespace.sh @@ -0,0 +1,195 @@ +#!/bin/sh +# +# Copyright (c) 2009 Giuseppe Bilotta +# + +test_description='git-apply --ignore-whitespace. + +' +. ./test-lib.sh + +# This primes main.c file that indents without using HT at all. +# Various patches with HT and other spaces are attempted in the test. + +cat > patch1.patch <<\EOF +diff --git a/main.c b/main.c +new file mode 100644 +--- /dev/null ++++ b/main.c +@@ -0,0 +1,22 @@ ++#include <stdio.h> ++ ++void print_int(int num); ++int func(int num); ++ ++int main() { ++ int i; ++ ++ for (i = 0; i < 10; i++) { ++ print_int(func(i)); /* stuff */ ++ } ++ ++ return 0; ++} ++ ++int func(int num) { ++ return num * num; ++} ++ ++void print_int(int num) { ++ printf("%d", num); ++} +EOF + +# Since whitespace is very significant and we want to prevent whitespace +# mangling when creating this test from a patch, we protect 'fixable' +# whitespace by replacing spaces with Z and replacing them at patch +# creation time, hence the sed trick. + +# This patch will fail unless whitespace differences are being ignored + +sed -e 's/Z/ /g' > patch2.patch <<\EOF +diff --git a/main.c b/main.c +--- a/main.c ++++ b/main.c +@@ -10,6 +10,8 @@ +Z print_int(func(i)); /* stuff */ +Z } +Z ++ printf("\n"); ++ +Z return 0; +Z} +Z +EOF + +# This patch will fail even if whitespace differences are being ignored, +# because of the missing string at EOL. TODO: this testcase should be +# improved by creating a line that has the same hash with and without +# the final string. + +sed -e 's/Z/ /g' > patch3.patch <<\EOF +diff --git a/main.c b/main.c +--- a/main.c ++++ b/main.c +@@ -10,3 +10,4 @@ +Z for (i = 0; i < 10; i++) { +Z print_int(func(i));Z ++ /* stuff */ +Z } +EOF + +# This patch will fail even if whitespace differences are being ignored, +# because of the missing EOL at EOF. + +sed -e 's/Z/ /g' > patch4.patch <<\EOF +diff --git a/main.c b/main.c +--- a/main.c ++++ b/main.c +@@ -21,1 +21,1 @@ +- };Z +\ No newline at end of file ++ }; +EOF + +# This patch will fail unless whitespace differences are being ignored. + +sed -e 's/Z/ /g' > patch5.patch <<\EOF +diff --git a/main.c b/main.c +--- a/main.c ++++ b/main.c +@@ -2,2 +2,3 @@ +Z void print_int(int num); ++ /* a comment */ +Z int func(int num); +EOF + +# And this is how the final output should be. Patches introduce +# HTs but the original SP indents are mostly kept. + +sed -e 's/T/ /g' > main.c.final <<\EOF +#include <stdio.h> + +void print_int(int num); +int func(int num); + +int main() { + int i; + + for (i = 0; i < 10; i++) { + print_int(func(i)); /* stuff */ + } + +Tprintf("\n"); + + return 0; +} + +int func(int num) { + return num * num; +} + +void print_int(int num) { + printf("%d", num); +} +EOF + +test_expect_success 'file creation' ' + git apply patch1.patch +' + +test_expect_success 'patch2 fails (retab)' ' + test_must_fail git apply patch2.patch +' + +test_expect_success 'patch2 applies with --ignore-whitespace' ' + git apply --ignore-whitespace patch2.patch +' + +test_expect_success 'patch2 reverse applies with --ignore-space-change' ' + git apply -R --ignore-space-change patch2.patch +' + +git config apply.ignorewhitespace change + +test_expect_success 'patch2 applies (apply.ignorewhitespace = change)' ' + git apply patch2.patch && + test_cmp main.c.final main.c +' + +test_expect_success 'patch3 fails (missing string at EOL)' ' + test_must_fail git apply patch3.patch +' + +test_expect_success 'patch4 fails (missing EOL at EOF)' ' + test_must_fail git apply patch4.patch +' + +test_expect_success 'patch5 fails (leading whitespace differences matter)' ' + test_must_fail git apply patch5.patch +' + +test_expect_success 're-create file (with --ignore-whitespace)' ' + rm -f main.c && + git apply patch1.patch +' + +test_expect_success 'patch5 fails (--no-ignore-whitespace)' ' + test_must_fail git apply --no-ignore-whitespace patch5.patch +' + +test_expect_success 'apply --ignore-space-change --inaccurate-eof' ' + echo 1 >file && + git apply --ignore-space-change --inaccurate-eof <<-\EOF && + diff --git a/file b/file + --- a/file + +++ b/file + @@ -1 +1 @@ + -1 + +2 + EOF + printf 2 >expect && + test_cmp expect file +' + +test_done |