+// DoInstallTask - Install task from the command line /*{{{*/
+// ---------------------------------------------------------------------
+/* Install named task */
+bool TryInstallTask(pkgDepCache &Cache, pkgProblemResolver &Fix,
+ bool BrokenFix,
+ unsigned int& ExpectedInst,
+ const char *taskname,
+ bool Remove)
+{
+ const char *start, *end;
+ pkgCache::PkgIterator Pkg;
+ char buf[64*1024];
+ regex_t Pattern;
+
+ // get the records
+ pkgRecords Recs(Cache);
+
+ // build regexp for the task
+ char S[300];
+ snprintf(S, sizeof(S), "^Task:.*[, ]%s([, ]|$)", taskname);
+ if(regcomp(&Pattern,S, REG_EXTENDED | REG_NOSUB | REG_NEWLINE) != 0)
+ return _error->Error("Failed to compile task regexp");
+
+ bool found = false;
+ bool res = true;
+
+ // two runs, first ignore dependencies, second install any missing
+ for(int IgnoreBroken=1; IgnoreBroken >= 0; IgnoreBroken--)
+ {
+ for (Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++)
+ {
+ pkgCache::VerIterator ver = Cache[Pkg].CandidateVerIter(Cache);
+ if(ver.end())
+ continue;
+ pkgRecords::Parser &parser = Recs.Lookup(ver.FileList());
+ parser.GetRec(start,end);
+ strncpy(buf, start, end-start);
+ buf[end-start] = 0x0;
+ if (regexec(&Pattern,buf,0,0,0) != 0)
+ continue;
+ res &= TryToInstall(Pkg,Cache,Fix,Remove,IgnoreBroken,ExpectedInst);
+ found = true;
+ }
+ }
+
+ // now let the problem resolver deal with any issues
+ Fix.Resolve(true);
+
+ if(!found)
+ _error->Error(_("Couldn't find task %s"),taskname);
+
+ regfree(&Pattern);
+ return res;
+}
+
projects / apt.git / blobdiff