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 void usage(void) {
  12         fprintf(stderr, "zpm-findpkg [-I] [-s <status> ...] [-S <status>] [package]\n");
  13 }
  14
  15 int main(int ac, char **av){
  16         int opt;
  17         struct zpm pkg;
  18         char *dbfile;
  19
  20         int set = 0, clear = 0, showcurrent = 0;
  21         int check = 0;
  22         int quiet = 0;
  23
  24         dbfile = getenv("ZPMDB");
  25         if (!dbfile) {
  26                 dbfile = "/var/lib/zpm/local.db";
  27         }
  28
  29         /* set -s
  30          * clear -S
  31          * show current -e
  32          * check -c
  33          */
  34         while ((opt = getopt(ac, av, "f:sScqe")) != -1) {
  35                 switch (opt) {
  36                         case 'f': dbfile = optarg; break;
  37                         case 's': set = 1; break;
  38                         case 'S': clear = 1; break;
  39                         case 'c': check = 1; break;
  40                         case 'q': quiet = 1; break;
  41                         case 'e': showcurrent = 1; break;
  42                         default:
  43                                   usage();
  44                                   exit(EXIT_FAILURE);
  45                                   break;
  46                 }
  47         }
  48         int argn = optind;
  49
  50         if (!dbfile) {
  51                 fprintf(stderr, "must specify db\n");
  52                 return 1;
  53         }
  54
  55         char *pkgid = av[argn];
  56         char hash[ZPM_HASH_STRLEN+1];
  57         char *current = 0, *display = hash;
  58         int checkfail = 0;
  59
  60         if (zpm_open(&pkg, dbfile)) {
  61                 if (check || showcurrent) {
  62                         current = zpm_db_string(&pkg, "select hash from packages_pkgid where pkgid = %Q", pkgid);
  63                 }
  64
  65                 if (check) {
  66                         checkfail = 1;
  67                         if (current) {
  68                                 zpm_package_hash(&pkg, pkgid, hash);
  69                                 checkfail = strcmp(current, hash);
  70                         }
  71                 } else if (set) {
  72                         zpm_package_sethash(&pkg, pkgid, hash);
  73                 } else if (clear) {
  74                         zpm_package_sethash(&pkg, pkgid, NULL);
  75                         display = NULL;
  76                 } else if (showcurrent) {
  77                         display = current;
  78                 } else {
  79                         zpm_package_hash(&pkg, pkgid, hash);
  80                 }
  81
  82                 zpm_close(&pkg);
  83                 if (display && !quiet) {
  84                         printf("%s\n", display);
  85                 }
  86                 free(current);
  87         }
  88
  89         return checkfail ? EXIT_FAILURE : 0;
  90 }