pd.if.org Git - zpackage/blob - zpm-findpkg.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
   8 #include "zpm.h"
   9
  10 void usage(void) {
  11         fprintf(stderr, "zpm-findpkg [-I] [-s <status> ...] [-S <status>] [package]\n");
  12 }
  13
  14 int main(int ac, char **av){
  15         int opt, argn;
  16         struct zpm zpm;
  17         char *dbfile = 0, *pkgstr = 0, *pkgid = 0;
  18
  19         char *sql;
  20         sqlite3_str *include;
  21         sqlite3_str *exclude;
  22         sqlite3_str *query;
  23
  24         dbfile = getenv("ZPMDB");
  25         if (!dbfile) {
  26                 dbfile = "/var/lib/zpm/local.db";
  27         }
  28
  29         include = sqlite3_str_new(NULL);
  30         exclude = sqlite3_str_new(NULL);
  31
  32         while ((opt = getopt(ac, av, "f:s:S:I")) != -1) {
  33                 switch (opt) {
  34                         case 'f': dbfile = optarg; break;
  35                         case 's': sqlite3_str_appendf(include,",%Q", optarg);
  36                                   break;
  37                         case 'S': sqlite3_str_appendf(exclude,",%Q", optarg);
  38                                   break;
  39                         case 'I': sqlite3_str_appendall(include,",'installed'");
  40                                   break;
  41                         default:
  42                                   usage();
  43                                   exit(EXIT_FAILURE);
  44                                   break;
  45                 }
  46         }
  47         argn = optind;
  48
  49         if (!dbfile) {
  50                 fprintf(stderr, "must specify db\n");
  51                 return 1;
  52         }
  53
  54         query = sqlite3_str_new(NULL);
  55
  56         if (zpm_open(&zpm, dbfile)) {
  57                 char *excludes, *includes;
  58
  59                 excludes = sqlite3_str_value(exclude);
  60                 includes = sqlite3_str_value(include);
  61
  62                 if (includes) {
  63                         sqlite3_str_appendf(query, "status in (%s)", includes+1);
  64                 }
  65                 if (excludes) {
  66                         sqlite3_str_appendf(query, "%sstatus not in (%s)",
  67                                        includes ? " and " : "",
  68                                        excludes+1);
  69                 }
  70
  71                 if (ac >= argn) {
  72                         pkgstr = av[argn];
  73                 }
  74
  75                 sql = sqlite3_str_value(query);
  76
  77                 pkgid = zpm_findpkg(&zpm, pkgstr, sql);
  78
  79                 sqlite3_free(sql);
  80                 if (pkgid) {
  81                         printf("%s\n", pkgid);
  82                 }
  83                 zpm_close(&zpm);
  84         }
  85         return pkgid ? 0 : 1;
  86 }