pd.if.org Git - zpackage/blob - zpm-packagehash.c

   1 #define _POSIX_C_SOURCE 2
   2
   3 #include <stdlib.h>
   4 #include <stdio.h>
   5 #include <ctype.h>
   6 #include <unistd.h>
   7 #include <string.h>
   8
   9 #include "zpm.h"
  10
  11 static int found = 0;
  12
  13 void usage(void) {
  14         fprintf(stderr, "zpm-findpkg [-I] [-s <status> ...] [-S <status>] [package]\n");
  15 }
  16
  17 int main(int ac, char **av){
  18         int opt;
  19         struct zpm pkg;
  20         char *dbfile;
  21
  22         int set = 0;
  23         int check = 0;
  24         int quiet = 0;
  25
  26         dbfile = getenv("ZPMDB");
  27         if (!dbfile) {
  28                 dbfile = "/var/lib/zpm/local.db";
  29         }
  30
  31         while ((opt = getopt(ac, av, "f:scq")) != -1) {
  32                 switch (opt) {
  33                         case 'f': dbfile = optarg; break;
  34                         case 's': set = 1; break;
  35                         case 'c': check = 1; break;
  36                         case 'q': quiet = 1; break;
  37                         default:
  38                                   usage();
  39                                   exit(EXIT_FAILURE);
  40                                   break;
  41                 }
  42         }
  43         int argn = optind;
  44
  45         if (!dbfile) {
  46                 fprintf(stderr, "must specify db\n");
  47                 return 1;
  48         }
  49
  50         char *pkgid = av[argn];
  51         char hash[ZPM_HASH_STRLEN+1];
  52
  53         if (zpm_open(&pkg, dbfile)) {
  54                 if (check) {
  55                         found = zpm_package_hash(&pkg, pkgid, hash);
  56                         char *ehash = zpm_db_string(&pkg, "select hash from packages_pkgid where pkgid = %Q", pkgid);
  57                         if (ehash && found && !strcmp(ehash, hash)) {
  58                                 found = 1;
  59                         } else {
  60                                 found = 0;
  61                         }
  62                 } else if (set) {
  63                         found = zpm_package_sethash(&pkg, pkgid, hash);
  64                 } else {
  65                         found = zpm_package_hash(&pkg, pkgid, hash);
  66                 }
  67         }
  68         zpm_close(&pkg);
  69         if (found && !quiet) {
  70                 printf("%s\n", hash);
  71         }
  72         return found ? 0 : 1;
  73 }