merge with debian-experimental-ma

5 files changed, 89 insertions, 19 deletions

diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc
index e95ddf562..62d42e4da 100644
--- a/apt-pkg/contrib/fileutl.cc
+++ b/apt-pkg/contrib/fileutl.cc
@@ -27,6 +27,7 @@
 
 #include <cstdlib>
 #include <cstring>
+#include <cstdio>
 
 #include <iostream>
 #include <unistd.h>
@@ -658,10 +659,11 @@ bool FileFd::Open(string FileName,OpenMode Mode, unsigned long Perms)
       
       case WriteEmpty:
       {
-	 struct stat Buf;
-	 if (lstat(FileName.c_str(),&Buf) == 0 && S_ISLNK(Buf.st_mode))
-	    unlink(FileName.c_str());
-	 iFd = open(FileName.c_str(),O_RDWR | O_CREAT | O_TRUNC,Perms);
+	 Flags |= Replace;
+	 char *name = strdup((FileName + ".XXXXXX").c_str());
+	 TemporaryFileName = string(mktemp(name));
+	 iFd = open(TemporaryFileName.c_str(),O_RDWR | O_CREAT | O_EXCL,Perms);
+	 free(name);
 	 break;
       }
       
@@ -843,11 +845,19 @@ bool FileFd::Close()
       if (iFd >= 0 && close(iFd) != 0)
 	 Res &= _error->Errno("close",_("Problem closing the file"));
    iFd = -1;
-   
+
+   if ((Flags & Replace) == Replace) {
+      if (rename(TemporaryFileName.c_str(), FileName.c_str()) != 0)
+	 Res &= _error->Errno("rename",_("Problem renaming the file"));
+      FileName = TemporaryFileName; // for the unlink() below.
+   }
+	    
    if ((Flags & Fail) == Fail && (Flags & DelOnFail) == DelOnFail &&
        FileName.empty() == false)
       if (unlink(FileName.c_str()) != 0)
 	 Res &= _error->WarningE("unlnk",_("Problem unlinking the file"));
+
+
    return Res;
 }
 									/*}}}*/
diff --git a/apt-pkg/contrib/fileutl.h b/apt-pkg/contrib/fileutl.h
index 003bd9b83..528725f89 100644
--- a/apt-pkg/contrib/fileutl.h
+++ b/apt-pkg/contrib/fileutl.h
@@ -34,9 +34,10 @@ class FileFd
    int iFd;
  
    enum LocalFlags {AutoClose = (1<<0),Fail = (1<<1),DelOnFail = (1<<2),
-                    HitEof = (1<<3)};
+                    HitEof = (1<<3), Replace = (1<<4) };
    unsigned long Flags;
    string FileName;
+   string TemporaryFileName;
    
    public:
    enum OpenMode {ReadOnly,WriteEmpty,WriteExists,WriteAny,WriteTemp};
diff --git a/apt-pkg/deb/deblistparser.cc b/apt-pkg/deb/deblistparser.cc
index d1931f909..24df57a5c 100644
--- a/apt-pkg/deb/deblistparser.cc
+++ b/apt-pkg/deb/deblistparser.cc
@@ -19,6 +19,7 @@
 #include <apt-pkg/md5.h>
 #include <apt-pkg/macros.h>
 
+#include <fnmatch.h>
 #include <ctype.h>
 									/*}}}*/
 
@@ -473,6 +474,20 @@ const char *debListParser::ConvertRelation(const char *I,unsigned int &Op)
    return I;
 }
 
+/*
+ * CompleteArch:
+ *
+ * The complete architecture, consisting of <kernel>-<cpu>.
+ */
+static string CompleteArch(std::string& arch) {
+    if (arch == "armel")              return "linux-arm";
+    if (arch == "lpia")               return "linux-i386";
+    if (arch == "powerpcspe")         return "linux-powerpc";
+    if (arch == "uclibc-linux-armel") return "linux-arm";
+    if (arch == "uclinux-armel")      return "uclinux-arm";
+
+    return (arch.find("-") != string::npos) ? arch : "linux-" + arch;
+}
 									/*}}}*/
 // ListParser::ParseDepends - Parse a dependency element		/*{{{*/
 // ---------------------------------------------------------------------
@@ -546,6 +561,7 @@ const char *debListParser::ParseDepends(const char *Start,const char *Stop,
    if (ParseArchFlags == true)
    {
       string arch = _config->Find("APT::Architecture");
+      string completeArch = CompleteArch(arch);
 
       // Parse an architecture
       if (I != Stop && *I == '[')
@@ -573,8 +589,13 @@ const char *debListParser::ParseDepends(const char *Start,const char *Stop,
 	       I++;
             }
 
-	    if (stringcmp(arch,I,End) == 0)
+	    if (stringcmp(arch,I,End) == 0) {
 	       Found = true;
+	    } else {
+	       std::string wildcard = SubstVar(string(I, End), "any", "*");
+	       if (fnmatch(wildcard.c_str(), completeArch.c_str(), 0) == 0)
+	          Found = true;
+	    }
 	    
 	    if (*End++ == ']') {
 	       I = End;
diff --git a/apt-pkg/versionmatch.cc b/apt-pkg/versionmatch.cc
index e5f0fafd2..093180f9b 100644
--- a/apt-pkg/versionmatch.cc
+++ b/apt-pkg/versionmatch.cc
@@ -18,6 +18,10 @@
 
 #include <stdio.h>
 #include <ctype.h>
+#include <fnmatch.h>
+#include <sys/types.h>
+#include <regex.h>
+
 									/*}}}*/
 
 // VersionMatch::pkgVersionMatch - Constructor				/*{{{*/
@@ -151,6 +155,8 @@ pkgCache::VerIterator pkgVersionMatch::Find(pkgCache::PkgIterator Pkg)
       {
 	 if (MatchVer(Ver.VerStr(),VerStr,VerPrefixMatch) == true)
 	    return Ver;
+	 if (ExpressionMatches(VerStr, Ver.VerStr()) == true)
+	    return Ver;
 	 continue;
       }
       
@@ -162,6 +168,36 @@ pkgCache::VerIterator pkgVersionMatch::Find(pkgCache::PkgIterator Pkg)
    // This will be Ended by now.
    return Ver;
 }
+
+#ifndef FNM_CASEFOLD
+#define FNM_CASEFOLD 0
+#endif
+
+bool pkgVersionMatch::ExpressionMatches(const char *pattern, const char *string)
+{
+   if (pattern[0] == '/') {
+      bool res = false;
+      size_t length = strlen(pattern);
+      if (pattern[length - 1] == '/') {
+	 regex_t preg;
+	 char *regex = strdup(pattern + 1);
+	 regex[length - 2] = '\0';
+	 if (regcomp(&preg, regex, REG_EXTENDED | REG_ICASE) != 0) {
+	    _error->Warning("Invalid regular expression: %s", regex);
+	 } else if (regexec(&preg, string, 0, NULL, 0) == 0) {
+	    res = true;
+	 }
+	 free(regex);
+	 regfree(&preg);
+	 return res;
+      }
+   }
+   return fnmatch(pattern, string, FNM_CASEFOLD) == 0;
+}
+bool pkgVersionMatch::ExpressionMatches(const std::string& pattern, const char *string)
+{
+    return ExpressionMatches(pattern.c_str(), string);
+}
 									/*}}}*/
 // VersionMatch::FileMatch - Match against an index file		/*{{{*/
 // ---------------------------------------------------------------------
@@ -185,37 +221,37 @@ bool pkgVersionMatch::FileMatch(pkgCache::PkgFileIterator File)
 
       if (RelVerStr.empty() == false)
 	 if (File->Version == 0 ||
-	     MatchVer(File.Version(),RelVerStr,RelVerPrefixMatch) == false)
+	     (MatchVer(File.Version(),RelVerStr,RelVerPrefixMatch) == false &&
+	      ExpressionMatches(RelVerStr, File.Version()) == false))
 	    return false;
       if (RelOrigin.empty() == false)
-	 if (File->Origin == 0 ||
-	     stringcasecmp(RelOrigin,File.Origin()) != 0)
+	 if (File->Origin == 0 || !ExpressionMatches(RelOrigin,File.Origin()))
 	    return false;
       if (RelArchive.empty() == false)
 	 if (File->Archive == 0 ||
-	     stringcasecmp(RelArchive,File.Archive()) != 0)
+	     !ExpressionMatches(RelArchive,File.Archive()))
             return false;
       if (RelCodename.empty() == false)
 	 if (File->Codename == 0 ||
-	     stringcasecmp(RelCodename,File.Codename()) != 0)
+	     !ExpressionMatches(RelCodename,File.Codename()))
             return false;
       if (RelRelease.empty() == false)
 	 if ((File->Archive == 0 ||
-	     stringcasecmp(RelRelease,File.Archive()) != 0) &&
+	     !ExpressionMatches(RelRelease,File.Archive())) &&
              (File->Codename == 0 ||
-	      stringcasecmp(RelRelease,File.Codename()) != 0))
+	      !ExpressionMatches(RelRelease,File.Codename())))
 	       return false;
       if (RelLabel.empty() == false)
 	 if (File->Label == 0 ||
-	     stringcasecmp(RelLabel,File.Label()) != 0)
+	     !ExpressionMatches(RelLabel,File.Label()))
 	    return false;
       if (RelComponent.empty() == false)
 	 if (File->Component == 0 ||
-	     stringcasecmp(RelComponent,File.Component()) != 0)
+	     !ExpressionMatches(RelComponent,File.Component()))
 	    return false;
       if (RelArchitecture.empty() == false)
 	 if (File->Architecture == 0 ||
-	     stringcasecmp(RelArchitecture,File.Architecture()) != 0)
+	     !ExpressionMatches(RelArchitecture,File.Architecture()))
 	    return false;
       return true;
    }
@@ -223,12 +259,12 @@ bool pkgVersionMatch::FileMatch(pkgCache::PkgFileIterator File)
    if (Type == Origin)
    {
       if (OrSite.empty() == false) {
-	 if (File->Site == 0 || OrSite != File.Site())
+	 if (File->Site == 0 || !ExpressionMatches(OrSite, File.Site()))
 	    return false;
       } else // so we are talking about file:// or status file
 	 if (strcmp(File.Site(),"") == 0 && File->Archive != 0) // skip the status file
 	    return false;
-      return (OrSite == File.Site());		/* both strings match */
+      return (ExpressionMatches(OrSite, File.Site())); /* both strings match */
    }
 
    return false;
diff --git a/apt-pkg/versionmatch.h b/apt-pkg/versionmatch.h
index a8da072ae..39639a23d 100644
--- a/apt-pkg/versionmatch.h
+++ b/apt-pkg/versionmatch.h
@@ -67,6 +67,8 @@ class pkgVersionMatch
    enum MatchType {None = 0,Version,Release,Origin} Type;
    
    bool MatchVer(const char *A,string B,bool Prefix);
+   bool ExpressionMatches(const char *pattern, const char *string);
+   bool ExpressionMatches(const std::string& pattern, const char *string);
    bool FileMatch(pkgCache::PkgFileIterator File);
    pkgCache::VerIterator Find(pkgCache::PkgIterator Pkg);