pd.if.org Git - zpackage/blob - src/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, argn;
  17         struct zpm pkg;
  18         char *dbfile;
  19
  20         int set = 0, clear = 0, showcurrent = 0;
  21         int check = 0, quiet = 0, checkfail = 0, verbose = 0;
  22         char hash[ZPM_HASH_STRLEN+1];
  23         char *pkgid = 0, *current = 0, *display = hash;
  24
  25         dbfile = getenv("ZPMDB");
  26         if (!dbfile) {
  27                 dbfile = "/var/lib/zpm/local.db";
  28         }
  29
  30         /* set -s
  31          * clear -S
  32          * show current -e
  33          * check -c
  34          */
  35         while ((opt = getopt(ac, av, "f:sScqev")) != -1) {
  36                 switch (opt) {
  37                         case 'f': dbfile = optarg; break;
  38                         case 's': set = 1; break;
  39                         case 'S': clear = 1; break;
  40                         case 'c': check = 1; break;
  41                         case 'q': quiet = 1; break;
  42                         case 'e': showcurrent = 1; break;
  43                         case 'v': verbose = 1; break;
  44                         default:
  45                                   usage();
  46                                   exit(EXIT_FAILURE);
  47                                   break;
  48                 }
  49         }
  50         argn = optind;
  51
  52         if (!dbfile) {
  53                 fprintf(stderr, "must specify db\n");
  54                 return 1;
  55         }
  56
  57         if (zpm_open(&pkg, dbfile)) {
  58                 pkgid = zpm_findpkg(&pkg, av[argn], NULL);
  59                 if (!pkgid) {
  60                         exit(EXIT_FAILURE);
  61                 }
  62                 if (check || showcurrent) {
  63                         current = zpm_db_string(&pkg, "select hash from packages_pkgid where pkgid = %Q", pkgid);
  64                 }
  65
  66                 if (check) {
  67                         checkfail = 1;
  68                         if (current) {
  69                                 zpm_package_hash(&pkg, pkgid, hash);
  70                                 checkfail = strcmp(current, hash);
  71                         }
  72                 } else if (set) {
  73                         zpm_package_sethash(&pkg, pkgid, hash);
  74                 } else if (clear) {
  75                         zpm_package_sethash(&pkg, pkgid, NULL);
  76                         display = NULL;
  77                 } else if (showcurrent) {
  78                         display = current;
  79                 } else {
  80                         zpm_package_hash(&pkg, pkgid, hash);
  81                 }
  82
  83                 zpm_close(&pkg);
  84                 if (display && !quiet) {
  85                         if (verbose) {
  86                                 printf("%s ", pkgid);
  87                         }
  88                         printf("%s\n", display);
  89                 }
  90                 free(current);
  91         }
  92
  93         return checkfail ? EXIT_FAILURE : 0;
  94 }