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-rw-r--r--methods/aptmethod.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/methods/aptmethod.h b/methods/aptmethod.h
index bef61a8bc..d3c948636 100644
--- a/methods/aptmethod.h
+++ b/methods/aptmethod.h
@@ -3,10 +3,18 @@
#include <apt-pkg/acquire-method.h>
#include <apt-pkg/configuration.h>
+#include <apt-pkg/error.h>
#include <locale>
#include <string>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include <apti18n.h>
+
class aptMethod : public pkgAcqMethod
{
char const * const Binary;
@@ -43,6 +51,29 @@ public:
va_end(args);
}
+ bool TransferModificationTimes(char const * const From, char const * const To, time_t &LastModified)
+ {
+ 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(char const * const Binary, char const * const Ver, unsigned long const Flags) :
pkgAcqMethod(Ver, Flags), Binary(Binary)
{