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-rw-r--r--grep.c10
-rwxr-xr-xt/t7812-grep-icase-non-ascii.sh28
2 files changed, 38 insertions, 0 deletions
diff --git a/grep.c b/grep.c
index 6d60e2e557..5bc0f4f32a 100644
--- a/grep.c
+++ b/grep.c
@@ -615,6 +615,16 @@ static void compile_regexp(struct grep_pat *p, struct grep_opt *opt)
die(_("given pattern contains NULL byte (via -f <file>). This is only supported with -P under PCRE v2"));
p->is_fixed = is_fixed(p->pattern, p->patternlen);
+#ifdef USE_LIBPCRE2
+ if (!p->fixed && !p->is_fixed) {
+ const char *no_jit = "(*NO_JIT)";
+ const int no_jit_len = strlen(no_jit);
+ if (starts_with(p->pattern, no_jit) &&
+ is_fixed(p->pattern + no_jit_len,
+ p->patternlen - no_jit_len))
+ p->is_fixed = 1;
+ }
+#endif
if (p->fixed || p->is_fixed) {
#ifdef USE_LIBPCRE2
opt->pcre2 = 1;
diff --git a/t/t7812-grep-icase-non-ascii.sh b/t/t7812-grep-icase-non-ascii.sh
index 0c685d3598..96c3572056 100755
--- a/t/t7812-grep-icase-non-ascii.sh
+++ b/t/t7812-grep-icase-non-ascii.sh
@@ -53,4 +53,32 @@ test_expect_success REGEX_LOCALE 'pickaxe -i on non-ascii' '
test_cmp expected actual
'
+test_expect_success GETTEXT_LOCALE,LIBPCRE2 'PCRE v2: setup invalid UTF-8 data' '
+ printf "\\200\\n" >invalid-0x80 &&
+ echo "ævar" >expected &&
+ cat expected >>invalid-0x80 &&
+ git add invalid-0x80
+'
+
+test_expect_success GETTEXT_LOCALE,LIBPCRE2 'PCRE v2: grep ASCII from invalid UTF-8 data' '
+ git grep -h "var" invalid-0x80 >actual &&
+ test_cmp expected actual &&
+ git grep -h "(*NO_JIT)var" invalid-0x80 >actual &&
+ test_cmp expected actual
+'
+
+test_expect_success GETTEXT_LOCALE,LIBPCRE2 'PCRE v2: grep non-ASCII from invalid UTF-8 data' '
+ test_might_fail git grep -h "æ" invalid-0x80 >actual &&
+ test_cmp expected actual &&
+ test_must_fail git grep -h "(*NO_JIT)æ" invalid-0x80 &&
+ test_cmp expected actual
+'
+
+test_expect_success GETTEXT_LOCALE,LIBPCRE2 'PCRE v2: grep non-ASCII from invalid UTF-8 data with -i' '
+ test_might_fail git grep -hi "Æ" invalid-0x80 >actual &&
+ test_cmp expected actual &&
+ test_must_fail git grep -hi "(*NO_JIT)Æ" invalid-0x80 &&
+ test_cmp expected actual
+'
+
test_done