log: add log.showSignature configuration variable

diff --git a/convert.c b/convert.c
index d8b1f17e44044776a881f274e7d2e2ea9b5bbceb..b1614bf7ff0d38325baa427da09859fb4e36e1c9 100644 (file)
--- a/convert.c
+++ b/convert.c
@@ -441,7 +441,7 @@ static int apply_filter(const char *path, const char *src, size_t len, int fd,
        struct async async;
        struct filter_params params;
 
-       if (!cmd)
+       if (!cmd || !*cmd)
                return 0;
 
        if (!dst)
@@ -1380,27 +1380,22 @@ static struct stream_filter *ident_filter(const unsigned char *sha1)
 struct stream_filter *get_stream_filter(const char *path, const unsigned char *sha1)
 {
        struct conv_attrs ca;
-       enum crlf_action crlf_action;
        struct stream_filter *filter = NULL;
 
        convert_attrs(&ca, path);
-
        if (ca.drv && (ca.drv->smudge || ca.drv->clean))
-               return filter;
+               return NULL;
+
+       if (ca.crlf_action == CRLF_AUTO || ca.crlf_action == CRLF_AUTO_CRLF)
+               return NULL;
 
        if (ca.ident)
                filter = ident_filter(sha1);
 
-       crlf_action = ca.crlf_action;
-
-       if ((crlf_action == CRLF_BINARY) ||
-                       crlf_action == CRLF_AUTO_INPUT ||
-                       (crlf_action == CRLF_TEXT_INPUT))
-               filter = cascade_filter(filter, &null_filter_singleton);
-
-       else if (output_eol(crlf_action) == EOL_CRLF &&
-                !(crlf_action == CRLF_AUTO || crlf_action == CRLF_AUTO_CRLF))
+       if (output_eol(ca.crlf_action) == EOL_CRLF)
                filter = cascade_filter(filter, lf_to_crlf_filter());
+       else
+               filter = cascade_filter(filter, &null_filter_singleton);
 
        return filter;
 }