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Merge pull request #797 from yorah/fix/inter-hunk-context

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diff: make inter-hunk-context default value git-compliant
This commit is contained in:
Russell Belfer 2012-07-10 16:24:17 -07:00
commit 19017a24e3
12 changed files with 76 additions and 12 deletions
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2
include/git2/diff.h
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@ -60,7 +60,7 @@ enum {
typedef struct {
uint32_t flags; /**< defaults to GIT_DIFF_NORMAL */
uint16_t context_lines; /**< defaults to 3 */
uint16_t interhunk_lines; /**< defaults to 3 */
uint16_t interhunk_lines; /**< defaults to 0 */
char *old_prefix; /**< defaults to "a" */
char *new_prefix; /**< defaults to "b" */
git_strarray pathspec; /**< defaults to show all paths */

2
src/diff_output.c
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@ -212,7 +212,7 @@ static void setup_xdiff_options(
cfg->ctxlen =
(!opts || !opts->context_lines) ? 3 : opts->context_lines;
cfg->interhunkctxlen =
(!opts || !opts->interhunk_lines) ? 3 : opts->interhunk_lines;
(!opts) ? 0 : opts->interhunk_lines;
if (!opts)
return;

70
tests-clar/diff/blob.c
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@ -14,13 +14,13 @@ void test_diff_blob__initialize(void)
memset(&opts, 0, sizeof(opts));
opts.context_lines = 1;
opts.interhunk_lines = 1;
opts.interhunk_lines = 0;
memset(&expected, 0, sizeof(expected));
/* tests/resources/attr/root_test4.txt */
cl_git_pass(git_oid_fromstrn(&oid, "fe773770c5a6", 12));
cl_git_pass(git_blob_lookup_prefix(&d, g_repo, &oid, 6));
cl_git_pass(git_oid_fromstrn(&oid, "a0f7217a", 8));
cl_git_pass(git_blob_lookup_prefix(&d, g_repo, &oid, 4));
/* alien.png */
cl_git_pass(git_oid_fromstrn(&oid, "edf3dcee", 8));
@ -54,6 +54,7 @@ void test_diff_blob__can_compare_text_blobs(void)
/* Doing the equivalent of a `git diff -U1` on these files */
/* diff on tests/resources/attr/root_test1 */
cl_git_pass(git_diff_blobs(
a, b, &opts, &expected, diff_file_fn, diff_hunk_fn, diff_line_fn));
@ -67,6 +68,7 @@ void test_diff_blob__can_compare_text_blobs(void)
cl_assert(expected.line_adds == 5);
cl_assert(expected.line_dels == 0);
/* diff on tests/resources/attr/root_test2 */
memset(&expected, 0, sizeof(expected));
cl_git_pass(git_diff_blobs(
b, c, &opts, &expected, diff_file_fn, diff_hunk_fn, diff_line_fn));
@ -81,6 +83,7 @@ void test_diff_blob__can_compare_text_blobs(void)
cl_assert(expected.line_adds == 9);
cl_assert(expected.line_dels == 3);
/* diff on tests/resources/attr/root_test3 */
memset(&expected, 0, sizeof(expected));
cl_git_pass(git_diff_blobs(
a, c, &opts, &expected, diff_file_fn, diff_hunk_fn, diff_line_fn));
@ -95,8 +98,6 @@ void test_diff_blob__can_compare_text_blobs(void)
cl_assert(expected.line_adds == 12);
cl_assert(expected.line_dels == 1);
opts.context_lines = 1;
memset(&expected, 0, sizeof(expected));
cl_git_pass(git_diff_blobs(
c, d, &opts, &expected, diff_file_fn, diff_hunk_fn, diff_line_fn));
@ -252,3 +253,62 @@ void test_diff_blob__can_compare_a_binary_blob_and_a_text_blob(void)
assert_binary_blobs_comparison(expected);
}
/*
* $ git diff fe773770 a0f7217
* diff --git a/fe773770 b/a0f7217
* index fe77377..a0f7217 100644
* --- a/fe773770
* +++ b/a0f7217
* @@ -1,6 +1,6 @@
* Here is some stuff at the start
*
* -This should go in one hunk
* +This should go in one hunk (first)
*
* Some additional lines
*
* @@ -8,7 +8,7 @@ Down here below the other lines
*
* With even more at the end
*
* -Followed by a second hunk of stuff
* +Followed by a second hunk of stuff (second)
*
* That happens down here
*/
void test_diff_blob__comparing_two_text_blobs_honors_interhunkcontext(void)
{
git_blob *old_d;
git_oid old_d_oid;
opts.context_lines = 3;
/* tests/resources/attr/root_test1 from commit f5b0af1 */
cl_git_pass(git_oid_fromstrn(&old_d_oid, "fe773770", 8));
cl_git_pass(git_blob_lookup_prefix(&old_d, g_repo, &old_d_oid, 4));
/* Test with default inter-hunk-context (not set) => default is 0 */
cl_git_pass(git_diff_blobs(
old_d, d, &opts, &expected, diff_file_fn, diff_hunk_fn, diff_line_fn));
cl_assert(expected.hunks == 2);
/* Test with inter-hunk-context explicitly set to 0 */
opts.interhunk_lines = 0;
memset(&expected, 0, sizeof(expected));
cl_git_pass(git_diff_blobs(
old_d, d, &opts, &expected, diff_file_fn, diff_hunk_fn, diff_line_fn));
cl_assert(expected.hunks == 2);
/* Test with inter-hunk-context explicitly set to 1 */
opts.interhunk_lines = 1;
memset(&expected, 0, sizeof(expected));
cl_git_pass(git_diff_blobs(
old_d, d, &opts, &expected, diff_file_fn, diff_hunk_fn, diff_line_fn));
cl_assert(expected.hunks == 1);
git_blob_free(old_d);
}

4
tests-clar/diff/iterator.c
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@ -312,7 +312,7 @@ static const char *expected_index_oids_0[] = {
"45141a79a77842c59a63229403220a4e4be74e3d",
"4d713dc48e6b1bd75b0d61ad078ba9ca3a56745d",
"108bb4e7fd7b16490dc33ff7d972151e73d7166e",
"fe773770c5a6cc7185580c9204b1ff18a33ff3fc",
"a0f7217ae99f5ac3e88534f5cea267febc5fa85b",
"3e42ffc54a663f9401cc25843d6c0e71a33e4249",
"45b983be36b73c0788dc9cbcb76cbb80fc7bb057",
"45b983be36b73c0788dc9cbcb76cbb80fc7bb057",
@ -343,7 +343,7 @@ static const char *expected_index_oids_range[] = {
"45141a79a77842c59a63229403220a4e4be74e3d",
"4d713dc48e6b1bd75b0d61ad078ba9ca3a56745d",
"108bb4e7fd7b16490dc33ff7d972151e73d7166e",
"fe773770c5a6cc7185580c9204b1ff18a33ff3fc",
"a0f7217ae99f5ac3e88534f5cea267febc5fa85b",
};
void test_diff_iterator__index_range(void)

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tests-clar/resources/attr/.gitted/index
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1
tests-clar/resources/attr/.gitted/logs/HEAD
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@ -6,3 +6,4 @@ a5d76cad53f66f1312bd995909a5bab3c0820770 370fe9ec224ce33e71f9e5ec2bd1142ce9937a6
f5b0af1fb4f5c0cd7aad880711d368a07333c307 a97cc019851d401a4f1d091cb91a15890a0dd1ba Russell Belfer <arrbee@arrbee.com> 1328653313 -0800 commit: Some whitespace only changes for testing purposes
a97cc019851d401a4f1d091cb91a15890a0dd1ba 217878ab49e1314388ea2e32dc6fdb58a1b969e0 Russell Belfer <arrbee@arrbee.com> 1332734901 -0700 commit: added files in sub/sub
217878ab49e1314388ea2e32dc6fdb58a1b969e0 24fa9a9fc4e202313e24b648087495441dab432b Russell Belfer <arrbee@arrbee.com> 1332735555 -0700 commit: adding more files in sub for tree status
24fa9a9fc4e202313e24b648087495441dab432b 8d0b9df9bd30be7910ddda60548d485bc302b911 yorah <yoram.harmelin@gmail.com> 1341230701 +0200 commit: Updating test data so we can test inter-hunk-context

1
tests-clar/resources/attr/.gitted/logs/refs/heads/master
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@ -6,3 +6,4 @@ a5d76cad53f66f1312bd995909a5bab3c0820770 370fe9ec224ce33e71f9e5ec2bd1142ce9937a6
f5b0af1fb4f5c0cd7aad880711d368a07333c307 a97cc019851d401a4f1d091cb91a15890a0dd1ba Russell Belfer <arrbee@arrbee.com> 1328653313 -0800 commit: Some whitespace only changes for testing purposes
a97cc019851d401a4f1d091cb91a15890a0dd1ba 217878ab49e1314388ea2e32dc6fdb58a1b969e0 Russell Belfer <arrbee@arrbee.com> 1332734901 -0700 commit: added files in sub/sub
217878ab49e1314388ea2e32dc6fdb58a1b969e0 24fa9a9fc4e202313e24b648087495441dab432b Russell Belfer <arrbee@arrbee.com> 1332735555 -0700 commit: adding more files in sub for tree status
24fa9a9fc4e202313e24b648087495441dab432b 8d0b9df9bd30be7910ddda60548d485bc302b911 yorah <yoram.harmelin@gmail.com> 1341230701 +0200 commit: Updating test data so we can test inter-hunk-context

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tests-clar/resources/attr/.gitted/objects/16/983da6643656bb44c43965ecb6855c6d574512 Normal file
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1
tests-clar/resources/attr/.gitted/objects/8d/0b9df9bd30be7910ddda60548d485bc302b911 Normal file
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@ -0,0 +1 @@
x<01><>Kj1D<><44>)zol<6F>i<EFBFBD><69> _"hi<68>K2<4B>L<EFBFBD><4C>G!7Ȫ<05><><EFBFBD>J<EFBFBD>,<2C><><EFBFBD>E<EFBFBD>PX<50><58>D<EFBFBD><44>S<EFBFBD><53> ] /)<29><>}<7D><>/<2F><>Uw<55>R<EFBFBD><52>. <09>j<EFBFBD><6A><13><>p<EFBFBD><70><EFBFBD><EFBFBD>#<23><>#:?<3F><>:|<7C><>;<3B><>F9<46>܋<EFBFBD>r=_ <0B><>)<29><>ơ<>N/<2F><>A[<5B><>l<EFBFBD><6C>!<21>q<EFBFBD><71>}<7D><><EFBFBD><15><Lfx4<78>H\<5C><>\<5C><>q֏cj<63><6A><EFBFBD><EFBFBD><04>T<EFBFBD>

1
tests-clar/resources/attr/.gitted/objects/a0/f7217ae99f5ac3e88534f5cea267febc5fa85b Normal file
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@ -0,0 +1 @@
x5Ž1Â0 E™}Š?–΀;•˜Sâ<53>ˆÔ®’”ŠÛ“Ðv´ýߢ8ŸO‡'FÈÈ:2r™<72>ƒ)(¾ &¢Þ·«×9Z¼A Âð³¼Ñ¹<C391>r9Ýl¬ %¨˜ˆ„3ÑE<17>o‚<6F>£.ÿV­Õi<Bñà F­©MÌb‰®+ÂÙŸ*vµªÛþìÖmõ÷¾¢ÞLK†Ý­D?+­N

2
tests-clar/resources/attr/.gitted/refs/heads/master
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@ -1 +1 @@
24fa9a9fc4e202313e24b648087495441dab432b
8d0b9df9bd30be7910ddda60548d485bc302b911

4
tests-clar/resources/attr/root_test4.txt
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@ -1,6 +1,6 @@
Here is some stuff at the start
This should go in one hunk
This should go in one hunk (first)
Some additional lines
@ -8,7 +8,7 @@ Down here below the other lines
With even more at the end
Followed by a second hunk of stuff
Followed by a second hunk of stuff (second)
That happens down here