diff options
| -rw-r--r-- | builtin/apply.c | 16 | ||||
| -rwxr-xr-x | t/t4124-apply-ws-rule.sh | 26 | ||||
| -rwxr-xr-x | t/t4150-am.sh | 2 | ||||
| -rw-r--r-- | t/test-lib-functions.sh | 4 |
4 files changed, 41 insertions, 7 deletions
diff --git a/builtin/apply.c b/builtin/apply.c index 06f5320b1..5b882d01f 100644 --- a/builtin/apply.c +++ b/builtin/apply.c @@ -2117,10 +2117,10 @@ static void update_pre_post_images(struct image *preimage, /* * Adjust the common context lines in postimage. This can be - * done in-place when we are just doing whitespace fixing, - * which does not make the string grow, but needs a new buffer - * when ignoring whitespace causes the update, since in this case - * we could have e.g. tabs converted to multiple spaces. + * done in-place when we are shrinking it with whitespace + * fixing, but needs a new buffer when ignoring whitespace or + * expanding leading tabs to spaces. + * * We trust the caller to tell us if the update can be done * in place (postlen==0) or not. */ @@ -2185,7 +2185,7 @@ static int match_fragment(struct image *img, int i; char *fixed_buf, *buf, *orig, *target; struct strbuf fixed; - size_t fixed_len; + size_t fixed_len, postlen; int preimage_limit; if (preimage->nr + try_lno <= img->nr) { @@ -2335,6 +2335,7 @@ static int match_fragment(struct image *img, strbuf_init(&fixed, preimage->len + 1); orig = preimage->buf; target = img->buf + try; + postlen = 0; for (i = 0; i < preimage_limit; i++) { size_t oldlen = preimage->line[i].len; size_t tgtlen = img->line[try_lno + i].len; @@ -2362,6 +2363,7 @@ static int match_fragment(struct image *img, match = (tgtfix.len == fixed.len - fixstart && !memcmp(tgtfix.buf, fixed.buf + fixstart, fixed.len - fixstart)); + postlen += tgtfix.len; strbuf_release(&tgtfix); if (!match) @@ -2399,8 +2401,10 @@ static int match_fragment(struct image *img, * hunk match. Update the context lines in the postimage. */ fixed_buf = strbuf_detach(&fixed, &fixed_len); + if (postlen < postimage->len) + postlen = 0; update_pre_post_images(preimage, postimage, - fixed_buf, fixed_len, 0); + fixed_buf, fixed_len, postlen); return 1; unmatch_exit: diff --git a/t/t4124-apply-ws-rule.sh b/t/t4124-apply-ws-rule.sh index 6f6ee88b2..0bbcf0603 100755 --- a/t/t4124-apply-ws-rule.sh +++ b/t/t4124-apply-ws-rule.sh @@ -486,4 +486,30 @@ test_expect_success 'same, but with CR-LF line endings && cr-at-eol unset' ' test_cmp one expect ' +test_expect_success 'whitespace=fix to expand' ' + qz_to_tab_space >preimage <<-\EOF && + QQa + QQb + QQc + ZZZZZZZZZZZZZZZZd + QQe + QQf + QQg + EOF + qz_to_tab_space >patch <<-\EOF && + diff --git a/preimage b/preimage + --- a/preimage + +++ b/preimage + @@ -1,7 +1,6 @@ + QQa + QQb + QQc + -QQd + QQe + QQf + QQg + EOF + git -c core.whitespace=tab-in-indent apply --whitespace=fix patch +' + test_done diff --git a/t/t4150-am.sh b/t/t4150-am.sh index cdafd7e7c..12f6b027a 100755 --- a/t/t4150-am.sh +++ b/t/t4150-am.sh @@ -17,7 +17,7 @@ test_expect_success 'setup: messages' ' vero eos et accusam et justo duo dolores et ea rebum. EOF - q_to_tab <<-\EOF >>msg && + qz_to_tab_space <<-\EOF >>msg && QDuis autem vel eum iriure dolor in hendrerit in vulputate velit Qesse molestie consequat, vel illum dolore eu feugiat nulla facilisis Qat vero eros et accumsan et iusto odio dignissim qui blandit diff --git a/t/test-lib-functions.sh b/t/test-lib-functions.sh index 61d080443..42c2258b4 100644 --- a/t/test-lib-functions.sh +++ b/t/test-lib-functions.sh @@ -91,6 +91,10 @@ q_to_tab () { tr Q '\011' } +qz_to_tab_space () { + tr QZ '\011\040' +} + append_cr () { sed -e 's/$/Q/' | tr Q '\015' } |