remove the artificial restriction tagsize < 8kb

diff --git a/mktag.c b/mktag.c
index 585677eb83cd0fd21963d21291a6af2b54fc9c84..f1598dbd215811ead04d4f02c4d29012db699ac9 100644 (file)
--- a/mktag.c
+++ b/mktag.c
@@ -1,4 +1,5 @@
 #include "cache.h"
+#include "tag.h"
 
 /*
  * A signature file has a very simple fixed format: three lines
@@ -44,7 +45,7 @@ static int verify_tag(char *buffer, unsigned long size)
        unsigned char sha1[20];
        const char *object, *type_line, *tag_line, *tagger_line;
 
-       if (size < 64 || size > MAXSIZE-1)
+       if (size < 64)
                return -1;
        buffer[size] = 0;
 
@@ -104,33 +105,29 @@ static int verify_tag(char *buffer, unsigned long size)
 
 int main(int argc, char **argv)
 {
-       unsigned long size;
-       char buffer[MAXSIZE];
+       unsigned long size = 4096;
+       char *buffer = malloc(size);
        unsigned char result_sha1[20];
 
        if (argc != 1)
                usage("cat <signaturefile> | git-mktag");
 
-       // Read the signature
-       size = 0;
-       for (;;) {
-               int ret = read(0, buffer + size, MAXSIZE - size);
-               if (!ret)
-                       break;
-               if (ret < 0) {
-                       if (errno == EAGAIN)
-                               continue;
-                       break;
-               }
-               size += ret;
+       setup_git_directory();
+
+       if (read_pipe(0, &buffer, &size)) {
+               free(buffer);
+               die("could not read from stdin");
        }
 
        // Verify it for some basic sanity: it needs to start with "object <sha1>\ntype\ntagger "
        if (verify_tag(buffer, size) < 0)
                die("invalid tag signature file");
 
-       if (write_sha1_file(buffer, size, "tag", result_sha1) < 0)
+       if (write_sha1_file(buffer, size, tag_type, result_sha1) < 0)
                die("unable to write tag file");
+
+       free(buffer);
+
        printf("%s\n", sha1_to_hex(result_sha1));
        return 0;
 }