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-rw-r--r--dir.c34
-rwxr-xr-xt/t0008-ignores.sh23
2 files changed, 42 insertions, 15 deletions
diff --git a/dir.c b/dir.c
index eb6f581270..797805d6a1 100644
--- a/dir.c
+++ b/dir.c
@@ -508,21 +508,25 @@ void clear_exclude_list(struct exclude_list *el)
static void trim_trailing_spaces(char *buf)
{
- int i, last_space = -1, nr_spaces, len = strlen(buf);
- for (i = 0; i < len; i++)
- if (buf[i] == '\\')
- i++;
- else if (buf[i] == ' ') {
- if (last_space == -1) {
- last_space = i;
- nr_spaces = 1;
- } else
- nr_spaces++;
- } else
- last_space = -1;
-
- if (last_space != -1 && last_space + nr_spaces == len)
- buf[last_space] = '\0';
+ char *p, *last_space = NULL;
+
+ for (p = buf; *p; p++)
+ switch (*p) {
+ case ' ':
+ if (!last_space)
+ last_space = p;
+ break;
+ case '\\':
+ p++;
+ if (!*p)
+ return;
+ /* fallthrough */
+ default:
+ last_space = NULL;
+ }
+
+ if (last_space)
+ *last_space = '\0';
}
int add_excludes_from_file_to_list(const char *fname,
diff --git a/t/t0008-ignores.sh b/t/t0008-ignores.sh
index 63beb99828..5ef5ad3db4 100755
--- a/t/t0008-ignores.sh
+++ b/t/t0008-ignores.sh
@@ -806,4 +806,27 @@ test_expect_success !MINGW 'quoting allows trailing whitespace' '
test_cmp err.expect err
'
+test_expect_success NOT_MINGW,NOT_CYGWIN 'correct handling of backslashes' '
+ rm -rf whitespace &&
+ mkdir whitespace &&
+ >"whitespace/trailing 1 " &&
+ >"whitespace/trailing 2 \\\\" &&
+ >"whitespace/trailing 3 \\\\" &&
+ >"whitespace/trailing 4 \\ " &&
+ >"whitespace/trailing 5 \\ \\ " &&
+ >"whitespace/trailing 6 \\a\\" &&
+ >whitespace/untracked &&
+ echo "whitespace/trailing 1 \\ " >ignore &&
+ echo "whitespace/trailing 2 \\\\\\\\\\\\\\\\" >>ignore &&
+ echo "whitespace/trailing 3 \\\\\\\\\\\\\\\\ " >>ignore &&
+ echo "whitespace/trailing 4 \\\\\\\\\\\\ " >>ignore &&
+ echo "whitespace/trailing 5 \\\\\\\\ \\\\\\\\\\\\ " >>ignore &&
+ echo "whitespace/trailing 6 \\\\\\\\a\\\\\\\\" >>ignore &&
+ echo whitespace/untracked >expect &&
+ >err.expect &&
+ git ls-files -o -X ignore whitespace >actual 2>err &&
+ test_cmp expect actual &&
+ test_cmp err.expect err
+'
+
test_done