#include <apt-pkg/acquire-method.h>
#include <apt-pkg/configuration.h>
+#include <apt-pkg/error.h>
+#include <algorithm>
#include <locale>
#include <string>
+#include <vector>
+
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include <apti18n.h>
+
+static bool hasDoubleColon(std::string const &n)
+{
+ return n.find("::") != std::string::npos;
+}
class aptMethod : public pkgAcqMethod
{
- char const * const Binary;
+protected:
+ std::string const Binary;
public:
virtual bool Configuration(std::string Message) APT_OVERRIDE
return true;
}
- bool CalculateHashes(FetchItem const * const Itm, FetchResult &Res) const
+ bool CalculateHashes(FetchItem const * const Itm, FetchResult &Res) const APT_NONNULL(2)
{
Hashes Hash(Itm->ExpectedHashes);
FileFd Fd;
va_end(args);
}
- aptMethod(char const * const Binary, char const * const Ver, unsigned long const Flags) :
- pkgAcqMethod(Ver, Flags), Binary(Binary)
+ std::vector<std::string> methodNames;
+ void setPostfixForMethodNames(char const * const postfix) APT_NONNULL(2)
+ {
+ methodNames.erase(std::remove_if(methodNames.begin(), methodNames.end(), hasDoubleColon), methodNames.end());
+ decltype(methodNames) toAdd;
+ for (auto && name: methodNames)
+ toAdd.emplace_back(name + "::" + postfix);
+ std::move(toAdd.begin(), toAdd.end(), std::back_inserter(methodNames));
+ }
+ bool DebugEnabled() const
+ {
+ if (methodNames.empty())
+ return false;
+ auto const sni = std::find_if_not(methodNames.crbegin(), methodNames.crend(), hasDoubleColon);
+ if (unlikely(sni == methodNames.crend()))
+ return false;
+ auto const ln = methodNames[methodNames.size() - 1];
+ // worst case: all three are the same
+ std::string confln, confsn, confpn;
+ strprintf(confln, "Debug::Acquire::%s", ln.c_str());
+ strprintf(confsn, "Debug::Acquire::%s", sni->c_str());
+ auto const pni = sni->substr(0, sni->find('+'));
+ strprintf(confpn, "Debug::Acquire::%s", pni.c_str());
+ return _config->FindB(confln,_config->FindB(confsn, _config->FindB(confpn, false)));
+ }
+ std::string ConfigFind(char const * const postfix, std::string const &defValue) const APT_NONNULL(2)
+ {
+ for (auto name = methodNames.rbegin(); name != methodNames.rend(); ++name)
+ {
+ std::string conf;
+ strprintf(conf, "Acquire::%s::%s", name->c_str(), postfix);
+ auto const value = _config->Find(conf);
+ if (value.empty() == false)
+ return value;
+ }
+ return defValue;
+ }
+ std::string ConfigFind(std::string const &postfix, std::string const &defValue) const
+ {
+ return ConfigFind(postfix.c_str(), defValue);
+ }
+ bool ConfigFindB(char const * const postfix, bool const defValue) const APT_NONNULL(2)
+ {
+ return StringToBool(ConfigFind(postfix, defValue ? "yes" : "no"), defValue);
+ }
+ int ConfigFindI(char const * const postfix, int const defValue) const APT_NONNULL(2)
+ {
+ char *End;
+ std::string const value = ConfigFind(postfix, "");
+ auto const Res = strtol(value.c_str(), &End, 0);
+ if (value.c_str() == End)
+ return defValue;
+ return Res;
+ }
+
+ bool TransferModificationTimes(char const * const From, char const * const To, time_t &LastModified) APT_NONNULL(2, 3)
+ {
+ if (strcmp(To, "/dev/null") == 0)
+ return true;
+
+ struct stat Buf2;
+ if (lstat(To, &Buf2) != 0 || S_ISLNK(Buf2.st_mode))
+ return true;
+
+ struct stat Buf;
+ if (stat(From, &Buf) != 0)
+ return _error->Errno("stat",_("Failed to stat"));
+
+ // we don't use utimensat here for compatibility reasons: #738567
+ struct timeval times[2];
+ times[0].tv_sec = Buf.st_atime;
+ LastModified = times[1].tv_sec = Buf.st_mtime;
+ times[0].tv_usec = times[1].tv_usec = 0;
+ if (utimes(To, times) != 0)
+ return _error->Errno("utimes",_("Failed to set modification time"));
+ return true;
+ }
+
+ aptMethod(std::string &&Binary, char const * const Ver, unsigned long const Flags) APT_NONNULL(3) :
+ pkgAcqMethod(Ver, Flags), Binary(Binary), methodNames({Binary})
{
try {
std::locale::global(std::locale(""));