Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

85 lines (68 sloc) 1.612 kb
#include "cache.h"
static void flush_current_id(int patchlen, unsigned char *id, git_SHA_CTX *c)
{
unsigned char result[20];
char name[50];
if (!patchlen)
return;
git_SHA1_Final(result, c);
memcpy(name, sha1_to_hex(id), 41);
printf("%s %s\n", sha1_to_hex(result), name);
git_SHA1_Init(c);
}
static int remove_space(char *line)
{
char *src = line;
char *dst = line;
unsigned char c;
while ((c = *src++) != '\0') {
if (!isspace(c))
*dst++ = c;
}
return dst - line;
}
static void generate_id_list(void)
{
static unsigned char sha1[20];
static char line[1000];
git_SHA_CTX ctx;
int patchlen = 0;
git_SHA1_Init(&ctx);
while (fgets(line, sizeof(line), stdin) != NULL) {
unsigned char n[20];
char *p = line;
int len;
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);
hashcpy(sha1, n);
patchlen = 0;
continue;
}
/* Ignore commit comments */
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;
/* Compute the sha without whitespace */
len = remove_space(line);
patchlen += len;
git_SHA1_Update(&ctx, line, len);
}
flush_current_id(patchlen, sha1, &ctx);
}
static const char patch_id_usage[] = "git-patch-id < patch";
int main(int argc, char **argv)
{
if (argc != 1)
usage(patch_id_usage);
generate_id_list();
return 0;
}
Jump to Line
Something went wrong with that request. Please try again.