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-rw-r--r--apt-pkg/aptconfiguration.cc74
-rw-r--r--apt-pkg/aptconfiguration.h26
-rw-r--r--debian/changelog4
-rw-r--r--ftparchive/multicompress.cc59
-rw-r--r--ftparchive/multicompress.h21
-rw-r--r--ftparchive/writer.cc1
6 files changed, 133 insertions, 52 deletions
diff --git a/apt-pkg/aptconfiguration.cc b/apt-pkg/aptconfiguration.cc
index 9ded431e8..2a441fce7 100644
--- a/apt-pkg/aptconfiguration.cc
+++ b/apt-pkg/aptconfiguration.cc
@@ -42,10 +42,7 @@ const Configuration::getCompressionTypes(bool const &Cached) {
_config->CndSet("Acquire::CompressionTypes::lzma","lzma");
_config->CndSet("Acquire::CompressionTypes::gz","gzip");
- // Set default application paths to check for optional compression types
- _config->CndSet("Dir::Bin::lzma", "/usr/bin/lzma");
- _config->CndSet("Dir::Bin::xz", "/usr/bin/xz");
- _config->CndSet("Dir::Bin::bzip2", "/bin/bzip2");
+ setDefaultConfigurationForCompressors();
// accept non-list order as override setting for config settings on commandline
std::string const overrideOrder = _config->Find("Acquire::CompressionTypes::Order","");
@@ -346,4 +343,73 @@ bool const Configuration::checkArchitecture(std::string const &Arch) {
return (std::find(archs.begin(), archs.end(), Arch) != archs.end());
}
/*}}}*/
+// setDefaultConfigurationForCompressors /*{{{*/
+void Configuration::setDefaultConfigurationForCompressors() {
+ // Set default application paths to check for optional compression types
+ _config->CndSet("Dir::Bin::lzma", "/usr/bin/lzma");
+ _config->CndSet("Dir::Bin::xz", "/usr/bin/xz");
+ _config->CndSet("Dir::Bin::bzip2", "/bin/bzip2");
+}
+ /*}}}*/
+// getCompressors - Return Vector of usbale compressors /*{{{*/
+// ---------------------------------------------------------------------
+/* return a vector of compressors used by apt-ftparchive in the
+ multicompress functionality or to detect data.tar files */
+std::vector<APT::Configuration::Compressor>
+const Configuration::getCompressors(bool const Cached) {
+ static std::vector<APT::Configuration::Compressor> compressors;
+ if (compressors.empty() == false) {
+ if (Cached == true)
+ return compressors;
+ else
+ compressors.clear();
+ }
+
+ setDefaultConfigurationForCompressors();
+
+ compressors.push_back(Compressor(".", "", "", "", "", 1));
+ if (_config->Exists("Dir::Bin::gzip") == false || FileExists(_config->FindFile("Dir::Bin::gzip")) == true)
+ compressors.push_back(Compressor("gzip",".gz","gzip","-9n","-d",2));
+ if (_config->Exists("Dir::Bin::bzip2") == false || FileExists(_config->FindFile("Dir::Bin::bzip2")) == true)
+ compressors.push_back(Compressor("bzip2",".bz2","bzip2","-9","-d",3));
+ if (_config->Exists("Dir::Bin::lzma") == false || FileExists(_config->FindFile("Dir::Bin::lzma")) == true)
+ compressors.push_back(Compressor("lzma",".lzma","lzma","-9","-d",4));
+ if (_config->Exists("Dir::Bin::xz") == false || FileExists(_config->FindFile("Dir::Bin::xz")) == true)
+ compressors.push_back(Compressor("xz",".xz","xz","-6","-d",5));
+
+ std::vector<std::string> const comp = _config->FindVector("APT::Compressor");
+ for (std::vector<std::string>::const_iterator c = comp.begin();
+ c != comp.end(); ++c) {
+ if (*c == "." || *c == "gzip" || *c == "bzip2" || *c == "lzma" || *c == "xz")
+ continue;
+ compressors.push_back(Compressor(c->c_str(), std::string(".").append(*c).c_str(), c->c_str(), "-9", "-d", 100));
+ }
+
+ return compressors;
+}
+ /*}}}*/
+// Compressor constructor /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+Configuration::Compressor::Compressor(char const *name, char const *extension,
+ char const *binary,
+ char const *compressArg, char const *uncompressArg,
+ unsigned short const cost) {
+ std::string const config = string("APT:Compressor::").append(name).append("::");
+ Name = _config->Find(std::string(config).append("Name"), name);
+ Extension = _config->Find(std::string(config).append("Extension"), extension);
+ Binary = _config->Find(std::string(config).append("Binary"), binary);
+ Cost = _config->FindI(std::string(config).append("Cost"), cost);
+ std::string const compConf = std::string(config).append("CompressArg");
+ if (_config->Exists(compConf) == true)
+ CompressArgs = _config->FindVector(compConf);
+ else if (compressArg != NULL)
+ CompressArgs.push_back(compressArg);
+ std::string const uncompConf = std::string(config).append("UncompressArg");
+ if (_config->Exists(uncompConf) == true)
+ UncompressArgs = _config->FindVector(uncompConf);
+ else if (uncompressArg != NULL)
+ UncompressArgs.push_back(uncompressArg);
+}
+ /*}}}*/
}
diff --git a/apt-pkg/aptconfiguration.h b/apt-pkg/aptconfiguration.h
index dd339d841..e4bc5e683 100644
--- a/apt-pkg/aptconfiguration.h
+++ b/apt-pkg/aptconfiguration.h
@@ -82,6 +82,32 @@ public: /*{{{*/
*/
bool static const checkArchitecture(std::string const &Arch);
+ /** \brief Representation of supported compressors */
+ struct Compressor {
+ std::string Name;
+ std::string Extension;
+ std::string Binary;
+ std::vector<std::string> CompressArgs;
+ std::vector<std::string> UncompressArgs;
+ unsigned short Cost;
+
+ Compressor(char const *name, char const *extension, char const *binary,
+ char const *compressArg, char const *uncompressArg,
+ unsigned short const cost);
+ Compressor() {};
+ };
+
+ /** \brief Return a vector of Compressors supported for data.tar's
+ *
+ * \param Cached saves the result so we need to calculated it only once
+ * this parameter should ony be used for testing purposes.
+ *
+ * \return a vector of Compressors
+ */
+ std::vector<Compressor> static const getCompressors(bool const Cached = true);
+ /*}}}*/
+ private: /*{{{*/
+ void static setDefaultConfigurationForCompressors();
/*}}}*/
};
/*}}}*/
diff --git a/debian/changelog b/debian/changelog
index 6b2c35baf..499150d52 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -9,18 +9,20 @@ apt (0.8.11.6) UNRELEASED; urgency=low
* ftparchive/multicompress.cc, apt-inst/deb/debfile.cc:
- support xz compressor to create xz-compressed Indexes and be able
to open data.tar.xz files
+ - load the supported compressors from configuration
* ftparchive/writer.cc:
- ensure that Date and Valid-Until time strings are not localised
- add options to disable specific checksums for Indexes
- include xz-compressed Packages and Sources files in Release file
* apt-pkg/aptconfiguration.cc:
- support download of xz-compressed indexes files
+ - support adding new compressors by configuration
* apt-pkg/deb/debsrcrecords.cc:
- support xz-compressed source v3 debian.tar files
* ftparchive/contents.cc:
- remove ExtractArchive codecopy from apt-inst/deb/debfile.cc
- -- David Kalnischkies <kalnischkies@gmail.com> Wed, 23 Feb 2011 09:00:51 +0100
+ -- David Kalnischkies <kalnischkies@gmail.com> Sun, 27 Feb 2011 23:00:07 +0100
apt (0.8.11.5) unstable; urgency=low
diff --git a/ftparchive/multicompress.cc b/ftparchive/multicompress.cc
index c33414a11..f82879015 100644
--- a/ftparchive/multicompress.cc
+++ b/ftparchive/multicompress.cc
@@ -30,13 +30,6 @@
using namespace std;
-const MultiCompress::CompType MultiCompress::Compressors[] =
- {{".","",0,0,0,1},
- {"gzip",".gz","gzip","-9n","-d",2},
- {"bzip2",".bz2","bzip2","-9","-d",3},
- {"lzma",".lzma","lzma","-9","-d",4},
- {"xz",".xz","xz","-6","-d",5},
- {}};
// MultiCompress::MultiCompress - Constructor /*{{{*/
// ---------------------------------------------------------------------
@@ -49,7 +42,7 @@ MultiCompress::MultiCompress(string const &Output,string const &Compress,
Outputter = -1;
Input = 0;
UpdateMTime = 0;
-
+
/* Parse the compression string, a space separated lists of compresison
types */
string::const_iterator I = Compress.begin();
@@ -62,13 +55,14 @@ MultiCompress::MultiCompress(string const &Output,string const &Compress,
for (; I != Compress.end() && !isspace(*I); I++);
// Find the matching compressor
- const CompType *Comp = Compressors;
- for (; Comp->Name != 0; Comp++)
- if (stringcmp(Start,I,Comp->Name) == 0)
+ std::vector<APT::Configuration::Compressor> Compressors = APT::Configuration::getCompressors();
+ std::vector<APT::Configuration::Compressor>::const_iterator Comp = Compressors.begin();
+ for (; Comp != Compressors.end(); ++Comp)
+ if (stringcmp(Start,I,Comp->Name.c_str()) == 0)
break;
// Hmm.. unknown.
- if (Comp->Name == 0)
+ if (Comp == Compressors.end())
{
_error->Warning(_("Unknown compression algorithm '%s'"),string(Start,I).c_str());
continue;
@@ -78,7 +72,7 @@ MultiCompress::MultiCompress(string const &Output,string const &Compress,
Files *NewOut = new Files;
NewOut->Next = Outputs;
Outputs = NewOut;
- NewOut->CompressProg = Comp;
+ NewOut->CompressProg = *Comp;
NewOut->Output = Output+Comp->Extension;
struct stat St;
@@ -142,13 +136,14 @@ bool MultiCompress::GetStat(string const &Output,string const &Compress,struct s
for (; I != Compress.end() && !isspace(*I); I++);
// Find the matching compressor
- const CompType *Comp = Compressors;
- for (; Comp->Name != 0; Comp++)
- if (stringcmp(Start,I,Comp->Name) == 0)
+ std::vector<APT::Configuration::Compressor> Compressors = APT::Configuration::getCompressors();
+ std::vector<APT::Configuration::Compressor>::const_iterator Comp = Compressors.begin();
+ for (; Comp != Compressors.end(); ++Comp)
+ if (stringcmp(Start,I,Comp->Name.c_str()) == 0)
break;
// Hmm.. unknown.
- if (Comp->Name == 0)
+ if (Comp == Compressors.end())
continue;
string Name = Output+Comp->Extension;
@@ -269,13 +264,13 @@ bool MultiCompress::Finalize(unsigned long &OutSize)
/* This opens the compressor, either in compress mode or decompress
mode. FileFd is always the compressor input/output file,
OutFd is the created pipe, Input for Compress, Output for Decompress. */
-bool MultiCompress::OpenCompress(const CompType *Prog,pid_t &Pid,int const &FileFd,
- int &OutFd,bool const &Comp)
+bool MultiCompress::OpenCompress(APT::Configuration::Compressor const &Prog,
+ pid_t &Pid,int const &FileFd,int &OutFd,bool const &Comp)
{
Pid = -1;
// No compression
- if (Prog->Binary == 0)
+ if (Prog.Binary.empty() == true)
{
OutFd = dup(FileFd);
return true;
@@ -310,15 +305,17 @@ bool MultiCompress::OpenCompress(const CompType *Prog,pid_t &Pid,int const &File
SetCloseExec(STDOUT_FILENO,false);
SetCloseExec(STDIN_FILENO,false);
-
- const char *Args[3];
- Args[0] = Prog->Binary;
- if (Comp == true)
- Args[1] = Prog->CompArgs;
- else
- Args[1] = Prog->UnCompArgs;
- Args[2] = 0;
- execvp(Args[0],(char **)Args);
+
+ std::vector<char const*> Args;
+ Args.push_back(Prog.Binary.c_str());
+ std::vector<std::string> const * const addArgs =
+ (Comp == true) ? &(Prog.CompressArgs) : &(Prog.UncompressArgs);
+ for (std::vector<std::string>::const_iterator a = addArgs->begin();
+ a != addArgs->end(); ++a)
+ Args.push_back(a->c_str());
+ Args.push_back(NULL);
+
+ execvp(Args[0],(char **)&Args[0]);
cerr << _("Failed to exec compressor ") << Args[0] << endl;
_exit(100);
};
@@ -336,7 +333,7 @@ bool MultiCompress::OpenOld(int &Fd,pid_t &Proc)
{
Files *Best = Outputs;
for (Files *I = Outputs; I != 0; I = I->Next)
- if (Best->CompressProg->Cost > I->CompressProg->Cost)
+ if (Best->CompressProg.Cost > I->CompressProg.Cost)
Best = I;
// Open the file
@@ -415,7 +412,7 @@ bool MultiCompress::Child(int const &FD)
for (Files *I = Outputs; I != 0; I = I->Next)
{
if (I->CompressProc != -1)
- ExecWait(I->CompressProc,I->CompressProg->Binary,false);
+ ExecWait(I->CompressProc, I->CompressProg.Binary.c_str(), false);
}
if (_error->PendingError() == true)
diff --git a/ftparchive/multicompress.h b/ftparchive/multicompress.h
index 3ac3b8fb2..19dede174 100644
--- a/ftparchive/multicompress.h
+++ b/ftparchive/multicompress.h
@@ -20,28 +20,18 @@
#include <string>
#include <apt-pkg/fileutl.h>
+#include <apt-pkg/aptconfiguration.h>
#include <stdio.h>
#include <sys/types.h>
class MultiCompress
{
- // Enumeration of all supported compressors
- struct CompType
- {
- const char *Name;
- const char *Extension;
- const char *Binary;
- const char *CompArgs;
- const char *UnCompArgs;
- unsigned char Cost;
- };
-
// An output file
struct Files
{
string Output;
- const CompType *CompressProg;
- Files *Next;
+ APT::Configuration::Compressor CompressProg;
+ Files *Next;
FileFd TmpFile;
pid_t CompressProc;
time_t OldMTime;
@@ -51,10 +41,9 @@ class MultiCompress
Files *Outputs;
pid_t Outputter;
mode_t Permissions;
- static const CompType Compressors[];
- bool OpenCompress(const CompType *Prog,pid_t &Pid,int const &FileFd,
- int &OutFd,bool const &Comp);
+ bool OpenCompress(APT::Configuration::Compressor const &Prog,
+ pid_t &Pid,int const &FileFd, int &OutFd,bool const &Comp);
bool Child(int const &Fd);
bool Start();
bool Die();
diff --git a/ftparchive/writer.cc b/ftparchive/writer.cc
index 9462ebe27..9f12cbf3d 100644
--- a/ftparchive/writer.cc
+++ b/ftparchive/writer.cc
@@ -17,6 +17,7 @@
#include <apt-pkg/strutl.h>
#include <apt-pkg/error.h>
#include <apt-pkg/configuration.h>
+#include <apt-pkg/aptconfiguration.h>
#include <apt-pkg/md5.h>
#include <apt-pkg/sha1.h>
#include <apt-pkg/sha256.h>
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 16:50:37 +0000