Prism can now revert current changes

1 files changed, 27 insertions, 0 deletions

diff --git a/prism.c b/prism.c
index 3722d70..cdcaa90 100644
--- a/prism.c
+++ b/prism.c
@@ -26,6 +26,8 @@ static void usage(const char *name)
     printf("\thash\tdisplays a file's hash\n");

     printf("\tinfo\tshow information about repository\n");

     printf("\tinit\tinitializes this directory for versioning\n");

+    printf("\trevert\treverts the specified file to the last revision\n");

+    printf("\n");

 }

     

 static void init_task()

@@ -133,6 +135,27 @@ char hash[33];
         printf("  ERR: hash failed\n");

 }

 

+static void revert_task(const char *filename)

+{

+int res;

+

+    printf("Reverting changes to %s...\n", filename);

+    res = revert(filename, -1);

+    switch(res) { 

+        case PRET_OK:

+            printf("  changes reverted\n");

+            break;

+        case PRET_GZFAILED:

+            printf("  ERR: decompression failure\n");

+            break;

+        case PRET_NOREVISION:

+            printf("  ERR: no applicable revision found\n");

+            break;

+        default:

+            printf("  ERR: revert failed\n");

+    }

+}

+

 int main(int argc, char *argv[])

 {

     if(argc == 1) {

@@ -154,8 +177,12 @@ int main(int argc, char *argv[])
         info_task();

     else if(strcmp(argv[1], "hash") == 0 && argc == 3)

         hash_task(argv[2]);

+    else if(strcmp(argv[1], "revert") == 0 && argc == 3)

+        revert_task(argv[2]);

     else

         printf("Error processing command...\n");

 

+    printf("\n");

+

     return 0;

 }