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-rw-r--r--quote.c12
-rwxr-xr-xt/t1300-repo-config.sh23
2 files changed, 32 insertions, 3 deletions
diff --git a/quote.c b/quote.c
index 37d2686865..c95dd2cafb 100644
--- a/quote.c
+++ b/quote.c
@@ -118,9 +118,15 @@ static char *sq_dequote_step(char *arg, char **next)
*next = NULL;
return arg;
case '\\':
- c = *++src;
- if (need_bs_quote(c) && *++src == '\'') {
- *dst++ = c;
+ /*
+ * Allow backslashed characters outside of
+ * single-quotes only if they need escaping,
+ * and only if we resume the single-quoted part
+ * afterward.
+ */
+ if (need_bs_quote(src[1]) && src[2] == '\'') {
+ *dst++ = src[1];
+ src += 2;
continue;
}
/* Fallthrough */
diff --git a/t/t1300-repo-config.sh b/t/t1300-repo-config.sh
index cbeb9bebee..4f8e6f5fde 100755
--- a/t/t1300-repo-config.sh
+++ b/t/t1300-repo-config.sh
@@ -1206,6 +1206,29 @@ test_expect_success 'git -c is not confused by empty environment' '
GIT_CONFIG_PARAMETERS="" git -c x.one=1 config --list
'
+sq="'"
+test_expect_success 'detect bogus GIT_CONFIG_PARAMETERS' '
+ cat >expect <<-\EOF &&
+ env.one one
+ env.two two
+ EOF
+ GIT_CONFIG_PARAMETERS="${sq}env.one=one${sq} ${sq}env.two=two${sq}" \
+ git config --get-regexp "env.*" >actual &&
+ test_cmp expect actual &&
+
+ cat >expect <<-EOF &&
+ env.one one${sq}
+ env.two two
+ EOF
+ GIT_CONFIG_PARAMETERS="${sq}env.one=one${sq}\\$sq$sq$sq ${sq}env.two=two${sq}" \
+ git config --get-regexp "env.*" >actual &&
+ test_cmp expect actual &&
+
+ test_must_fail env \
+ GIT_CONFIG_PARAMETERS="${sq}env.one=one${sq}\\$sq ${sq}env.two=two${sq}" \
+ git config --get-regexp "env.*"
+'
+
test_expect_success 'git config --edit works' '
git config -f tmp test.value no &&
echo test.value=yes >expect &&