Extend index to save more flags

diff --git a/patch-id.c b/patch-id.c
index 5a8dc75d0e0184f8a4afa53e22b44d20f060685f..871f1d20c0e364220d23035b34685ced8737cda8 100644 (file)
--- a/patch-id.c
+++ b/patch-id.c
@@ -1,7 +1,6 @@
-#include <ctype.h>
 #include "cache.h"
 
-static void flush_current_id(int patchlen, unsigned char *id, SHA_CTX *c)
+static void flush_current_id(int patchlen, unsigned char *id, git_SHA_CTX *c)
 {
        unsigned char result[20];
        char name[50];
@@ -9,10 +8,10 @@ static void flush_current_id(int patchlen, unsigned char *id, SHA_CTX *c)
        if (!patchlen)
                return;
 
-       SHA1_Final(result, c);
+       git_SHA1_Final(result, c);
        memcpy(name, sha1_to_hex(id), 41);
        printf("%s %s\n", sha1_to_hex(result), name);
-       SHA1_Init(c);
+       git_SHA1_Init(c);
 }
 
 static int remove_space(char *line)
@@ -32,10 +31,10 @@ static void generate_id_list(void)
 {
        static unsigned char sha1[20];
        static char line[1000];
-       SHA_CTX ctx;
+       git_SHA_CTX ctx;
        int patchlen = 0;
 
-       SHA1_Init(&ctx);
+       git_SHA1_Init(&ctx);
        while (fgets(line, sizeof(line), stdin) != NULL) {
                unsigned char n[20];
                char *p = line;
@@ -43,10 +42,12 @@ static void generate_id_list(void)
 
                if (!memcmp(line, "diff-tree ", 10))
                        p += 10;
+               else if (!memcmp(line, "commit ", 7))
+                       p += 7;
 
                if (!get_sha1_hex(p, n)) {
                        flush_current_id(patchlen, sha1, &ctx);
-                       memcpy(sha1, n, 20);
+                       hashcpy(sha1, n);
                        patchlen = 0;
                        continue;
                }
@@ -55,6 +56,10 @@ static void generate_id_list(void)
                if (!patchlen && memcmp(line, "diff ", 5))
                        continue;
 
+               /* Ignore git-diff index header */
+               if (!memcmp(line, "index ", 6))
+                       continue;
+
                /* Ignore line numbers when computing the SHA1 of the patch */
                if (!memcmp(line, "@@ -", 4))
                        continue;
@@ -62,7 +67,7 @@ static void generate_id_list(void)
                /* Compute the sha without whitespace */
                len = remove_space(line);
                patchlen += len;
-               SHA1_Update(&ctx, line, len);
+               git_SHA1_Update(&ctx, line, len);
        }
        flush_current_id(patchlen, sha1, &ctx);
 }
@@ -76,4 +81,4 @@ int main(int argc, char **argv)
 
        generate_id_list();
        return 0;
-}      
+}