Only download yum files if they're not there.

diff --git a/main.c b/main.c
index 267753c..546fca8 100644 (file)
--- a/main.c
+++ b/main.c
@@ -2,6 +2,8 @@
 #include <stddef.h>
 #include <stdio.h>
 #include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
 #include <unistd.h>
 
 #include <curl/curl.h>
@@ -149,23 +151,30 @@ command_import_yum(int argc, const char *argv[])
        CURL *curl;
        CURLcode res;
        FILE *fp;
+       struct stat buf;
 
        curl = curl_easy_init();
        if (curl == NULL)
                return 1;
 
-       curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0);
-       fp = fopen("primary.xml.gz", "w");
-       curl_easy_setopt(curl, CURLOPT_WRITEDATA, fp);
-       curl_easy_setopt(curl, CURLOPT_URL, REPO_URL "/primary.xml.gz");
-       res = curl_easy_perform(curl);
-       fclose(fp);
-
-       fp = fopen("filelists.xml.gz", "w");
-       curl_easy_setopt(curl, CURLOPT_WRITEDATA, fp);
-       curl_easy_setopt(curl, CURLOPT_URL, REPO_URL "/filelists.xml.gz");
-       res = curl_easy_perform(curl);
-       fclose(fp);
+       if (stat("primary.xml.gz", &buf) < 0) {
+               curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0);
+               fp = fopen("primary.xml.gz", "w");
+               curl_easy_setopt(curl, CURLOPT_WRITEDATA, fp);
+               curl_easy_setopt(curl, CURLOPT_URL,
+                                REPO_URL "/primary.xml.gz");
+               res = curl_easy_perform(curl);
+               fclose(fp);
+       }
+
+       if (stat("filelist.xml.gz", &buf) < 0) {
+               fp = fopen("filelists.xml.gz", "w");
+               curl_easy_setopt(curl, CURLOPT_WRITEDATA, fp);
+               curl_easy_setopt(curl, CURLOPT_URL,
+                                REPO_URL "/filelists.xml.gz");
+               res = curl_easy_perform(curl);
+               fclose(fp);
+       }
 
        curl_easy_cleanup(curl);