1 files changed, 105 insertions, 0 deletions
diff --git a/apt-private/private-sources.cc b/apt-private/private-sources.cc
new file mode 100644
index 0000000..a7d003f
--- /dev/null
+++ b/apt-private/private-sources.cc
@@ -0,0 +1,105 @@
+#include <config.h>
+
+#include <apt-pkg/cachefile.h>
+#include <apt-pkg/cmndline.h>
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/hashes.h>
+#include <apt-pkg/sourcelist.h>
+#include <apt-pkg/strutl.h>
+
+#include <apt-private/private-output.h>
+#include <apt-private/private-sources.h>
+#include <apt-private/private-utils.h>
+
+#include <cstddef>
+#include <iostream>
+#include <string>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <apti18n.h>
+
+/* Interface discussion with donkult (for the future):
+  apt [add-{archive,release,component}|edit|change-release|disable]-sources
+ and be clever and work out stuff from the Release file
+*/
+
+// EditSource - EditSourcesList						/*{{{*/
+class APT_HIDDEN ScopedGetLock {
+public:
+   int fd;
+   explicit ScopedGetLock(std::string const &filename) : fd(GetLock(filename)) {}
+   ~ScopedGetLock() { close(fd); }
+};
+bool EditSources(CommandLine &CmdL)
+{
+   std::string sourceslist;
+   if (CmdL.FileList[1] != NULL)
+   {
+      sourceslist = _config->FindDir("Dir::Etc::sourceparts") + CmdL.FileList[1];
+      if (!APT::String::Endswith(sourceslist, ".list"))
+         sourceslist += ".list";
+   } else {
+      sourceslist = _config->FindFile("Dir::Etc::sourcelist");
+   }
+   HashString before;
+   if (FileExists(sourceslist))
+       before.FromFile(sourceslist);
+   else
+   {
+      FileFd filefd;
+      if (filefd.Open(sourceslist, FileFd::Create | FileFd::WriteOnly, FileFd::None, 0644) == false)
+	 return false;
+   }
+
+   ScopedGetLock lock(sourceslist);
+   if (lock.fd < 0)
+      return false;
+
+   bool res;
+   bool file_changed = false;
+   do {
+      if (EditFileInSensibleEditor(sourceslist) == false)
+	 return false;
+      if (before.empty())
+      {
+	 struct stat St;
+	 if (stat(sourceslist.c_str(), &St) == 0 && St.st_size == 0)
+	       RemoveFile("edit-sources", sourceslist);
+      }
+      else if (FileExists(sourceslist) && !before.VerifyFile(sourceslist))
+      {
+	 file_changed = true;
+	 pkgCacheFile::RemoveCaches();
+      }
+      pkgCacheFile CacheFile;
+      res = CacheFile.BuildCaches(nullptr);
+      if (res == false || _error->empty(GlobalError::WARNING) == false) {
+	 std::string outs;
+	 strprintf(outs, _("Failed to parse %s. Edit again? "), sourceslist.c_str());
+         // FIXME: should we add a "restore previous" option here?
+         if (YnPrompt(outs.c_str(), true) == false)
+	 {
+	    if (res == false && _error->PendingError() == false)
+	    {
+	       CacheFile.Close();
+	       pkgCacheFile::RemoveCaches();
+	       res = CacheFile.BuildCaches(nullptr);
+	    }
+	    break;
+	 }
+      }
+   } while (res == false);
+
+   if (res == true && file_changed == true)
+   {
+      ioprintf(
+         std::cout, _("Your '%s' file changed, please run 'apt-get update'.\n"),
+         sourceslist.c_str());
+   }
+   return res;
+}
+									/*}}}*/