index-pack: add a helper function to derive .idx/.keep filename

diff --git a/builtin/check-ignore.c b/builtin/check-ignore.c
index 43f361797ac73b64c79bb163cbb38baf78981fc9..1d73d3ca3d0509d71b927d685f3239cdab3cc885 100644 (file)
--- a/builtin/check-ignore.c
+++ b/builtin/check-ignore.c
@@ -115,19 +115,19 @@ static int check_ignore(struct dir_struct *dir,
 
 static int check_ignore_stdin_paths(struct dir_struct *dir, const char *prefix)
 {
-       struct strbuf buf, nbuf;
+       struct strbuf buf = STRBUF_INIT;
+       struct strbuf unquoted = STRBUF_INIT;
        char *pathspec[2] = { NULL, NULL };
-       int line_termination = nul_term_line ? 0 : '\n';
+       strbuf_getline_fn getline_fn;
        int num_ignored = 0;
 
-       strbuf_init(&buf, 0);
-       strbuf_init(&nbuf, 0);
-       while (strbuf_getline(&buf, stdin, line_termination) != EOF) {
-               if (line_termination && buf.buf[0] == '"') {
-                       strbuf_reset(&nbuf);
-                       if (unquote_c_style(&nbuf, buf.buf, NULL))
+       getline_fn = nul_term_line ? strbuf_getline_nul : strbuf_getline_lf;
+       while (getline_fn(&buf, stdin) != EOF) {
+               if (!nul_term_line && buf.buf[0] == '"') {
+                       strbuf_reset(&unquoted);
+                       if (unquote_c_style(&unquoted, buf.buf, NULL))
                                die("line is badly quoted");
-                       strbuf_swap(&buf, &nbuf);
+                       strbuf_swap(&buf, &unquoted);
                }
                pathspec[0] = buf.buf;
                num_ignored += check_ignore(dir, prefix,
@@ -135,7 +135,7 @@ static int check_ignore_stdin_paths(struct dir_struct *dir, const char *prefix)
                maybe_flush_or_die(stdout, "check-ignore to stdout");
        }
        strbuf_release(&buf);
-       strbuf_release(&nbuf);
+       strbuf_release(&unquoted);
        return num_ignored;
 }