3 static void flush_current_id(int patchlen, unsigned char *id, SHA_CTX *c)
5 unsigned char result[20];
11 SHA1_Final(result, c);
12 memcpy(name, sha1_to_hex(id), 41);
13 printf("%s %s\n", sha1_to_hex(result), name);
17 static int remove_space(char *line)
23 while ((c = *src++) != '\0') {
30 static void generate_id_list(void)
32 static unsigned char sha1[20];
33 static char line[1000];
38 while (fgets(line, sizeof(line), stdin) != NULL) {
43 if (!memcmp(line, "diff-tree ", 10))
46 if (!get_sha1_hex(p, n)) {
47 flush_current_id(patchlen, sha1, &ctx);
53 /* Ignore commit comments */
54 if (!patchlen && memcmp(line, "diff ", 5))
57 /* Ignore git-diff index header */
58 if (!memcmp(line, "index ", 6))
61 /* Ignore line numbers when computing the SHA1 of the patch */
62 if (!memcmp(line, "@@ -", 4))
65 /* Compute the sha without whitespace */
66 len = remove_space(line);
68 SHA1_Update(&ctx, line, len);
70 flush_current_id(patchlen, sha1, &ctx);
73 static const char patch_id_usage[] = "git-patch-id < patch";
75 int main(int argc, char **argv)
78 usage(patch_id_usage);