|  | #include "cache.h" | 
|  | #include "sha1-array.h" | 
|  |  | 
|  | static void print_sha1(const unsigned char sha1[20], void *data) | 
|  | { | 
|  | puts(sha1_to_hex(sha1)); | 
|  | } | 
|  |  | 
|  | int main(int argc, char **argv) | 
|  | { | 
|  | struct sha1_array array = SHA1_ARRAY_INIT; | 
|  | struct strbuf line = STRBUF_INIT; | 
|  |  | 
|  | while (strbuf_getline(&line, stdin, '\n') != EOF) { | 
|  | const char *arg; | 
|  | unsigned char sha1[20]; | 
|  |  | 
|  | if (skip_prefix(line.buf, "append ", &arg)) { | 
|  | if (get_sha1_hex(arg, sha1)) | 
|  | die("not a hexadecimal SHA1: %s", arg); | 
|  | sha1_array_append(&array, sha1); | 
|  | } else if (skip_prefix(line.buf, "lookup ", &arg)) { | 
|  | if (get_sha1_hex(arg, sha1)) | 
|  | die("not a hexadecimal SHA1: %s", arg); | 
|  | printf("%d\n", sha1_array_lookup(&array, sha1)); | 
|  | } else if (!strcmp(line.buf, "clear")) | 
|  | sha1_array_clear(&array); | 
|  | else if (!strcmp(line.buf, "for_each_unique")) | 
|  | sha1_array_for_each_unique(&array, print_sha1, NULL); | 
|  | else | 
|  | die("unknown command: %s", line.buf); | 
|  | } | 
|  | return 0; | 
|  | } |