sha1_file: allow map_sha1_file_1 to handle arbitrary repositories

diff --git a/quote.c b/quote.c
index b2970da627af4c2b389f65db81d47f88a407223d..37d26868656fe8c8c65de41580ab5ae9e89981fc 100644 (file)
--- a/quote.c
+++ b/quote.c
@@ -43,6 +43,22 @@ void sq_quote_buf(struct strbuf *dst, const char *src)
        free(to_free);
 }
 
+void sq_quote_buf_pretty(struct strbuf *dst, const char *src)
+{
+       static const char ok_punct[] = "+,-./:=@_^";
+       const char *p;
+
+       for (p = src; *p; p++) {
+               if (!isalpha(*p) && !isdigit(*p) && !strchr(ok_punct, *p)) {
+                       sq_quote_buf(dst, src);
+                       return;
+               }
+       }
+
+       /* if we get here, we did not need quoting */
+       strbuf_addstr(dst, src);
+}
+
 void sq_quotef(struct strbuf *dst, const char *fmt, ...)
 {
        struct strbuf src = STRBUF_INIT;
@@ -68,6 +84,16 @@ void sq_quote_argv(struct strbuf *dst, const char **argv)
        }
 }
 
+void sq_quote_argv_pretty(struct strbuf *dst, const char **argv)
+{
+       int i;
+
+       for (i = 0; argv[i]; i++) {
+               strbuf_addch(dst, ' ');
+               sq_quote_buf_pretty(dst, argv[i]);
+       }
+}
+
 static char *sq_dequote_step(char *arg, char **next)
 {
        char *dst = arg;