daemon: support <directory> arguments again

diff --git a/diff.c b/diff.c
index 0a438694351e555f66cbb3d24759d3a10a46ff20..5422c438826254f36d1e00af0e8b882690661276 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -4412,7 +4412,7 @@ size_t fill_textconv(struct userdiff_driver *driver,
                return df->size;
        }
 
-       if (driver->textconv_cache) {
+       if (driver->textconv_cache && df->sha1_valid) {
                *outbuf = notes_cache_get(driver->textconv_cache, df->sha1,
                                          &size);
                if (*outbuf)
@@ -4423,7 +4423,7 @@ size_t fill_textconv(struct userdiff_driver *driver,
        if (!*outbuf)
                die("unable to read files to diff");
 
-       if (driver->textconv_cache) {
+       if (driver->textconv_cache && df->sha1_valid) {
                /* ignore errors, as we might be in a readonly repository */
                notes_cache_put(driver->textconv_cache, df->sha1, *outbuf,
                                size);