#include <map>
#include <pwd.h>
#include <grp.h>
+#include <iomanip>
#include <termios.h>
#include <unistd.h>
{
public:
pkgDPkgPMPrivate() : stdin_is_dev_null(false), dpkgbuf_pos(0),
- term_out(NULL), history_out(NULL)
+ term_out(NULL), history_out(NULL),
+ last_reported_progress(0.0), nr_terminal_rows(0),
+ fancy_progress_output(false)
{
dpkgbuf[0] = '\0';
+ if(_config->FindB("Dpkg::Progress-Fancy", false) == true)
+ {
+ fancy_progress_output = true;
+ _config->Set("DpkgPM::Progress", true);
+ }
}
bool stdin_is_dev_null;
// the buffer we use for the dpkg status-fd reading
FILE *term_out;
FILE *history_out;
string dpkg_error;
+
+ float last_reported_progress;
+ int nr_terminal_rows;
+ bool fancy_progress_output;
};
namespace
std::cerr << "Chrooting into " << chrootDir << std::endl;
if (chroot(chrootDir.c_str()) != 0)
_exit(100);
- chdir("/");
+ if (chdir("/") != 0)
+ _exit(100);
}
/*}}}*/
OptSec = "DPkg::Tools::Options::" + string(Opts->Value.c_str(),Pos);
unsigned int Version = _config->FindI(OptSec+"::Version",1);
+ unsigned int InfoFD = _config->FindI(OptSec + "::InfoFD", STDIN_FILENO);
// Create the pipes
int Pipes[2];
if (pipe(Pipes) != 0)
return _error->Errno("pipe","Failed to create IPC pipe to subprocess");
- SetCloseExec(Pipes[0],true);
+ if (InfoFD != (unsigned)Pipes[0])
+ SetCloseExec(Pipes[0],true);
+ else
+ _config->Set("APT::Keep-Fds::", Pipes[0]);
SetCloseExec(Pipes[1],true);
-
+
// Purified Fork for running the script
- pid_t Process = ExecFork();
+ pid_t Process = ExecFork();
if (Process == 0)
{
// Setup the FDs
- dup2(Pipes[0],STDIN_FILENO);
+ dup2(Pipes[0], InfoFD);
SetCloseExec(STDOUT_FILENO,false);
- SetCloseExec(STDIN_FILENO,false);
+ SetCloseExec(STDIN_FILENO,false);
SetCloseExec(STDERR_FILENO,false);
+ string hookfd;
+ strprintf(hookfd, "%d", InfoFD);
+ setenv("APT_HOOK_INFO_FD", hookfd.c_str(), 1);
+
dpkgChrootDirectory();
const char *Args[4];
Args[0] = "/bin/sh";
execv(Args[0],(char **)Args);
_exit(100);
}
+ if (InfoFD == (unsigned)Pipes[0])
+ _config->Clear("APT::Keep-Fds", Pipes[0]);
close(Pipes[0]);
FILE *F = fdopen(Pipes[1],"w");
if (F == 0)
/* dpkg sends strings like this:
- 'status: <pkg>: <pkg qstate>'
+ 'status: <pkg>: <pkg qstate>'
+ 'status: <pkg>:<arch>: <pkg qstate>'
errors look like this:
'status: /var/cache/apt/archives/krecipes_0.8.1-0ubuntu1_i386.deb : error : trying to overwrite `/usr/share/doc/kde/HTML/en/krecipes/krectip.png', which is also in package krecipes-data
and conffile-prompt like this
'processing: trigproc: trigger'
*/
- char* list[6];
- // dpkg sends multiline error messages sometimes (see
- // #374195 for a example. we should support this by
- // either patching dpkg to not send multiline over the
- // statusfd or by rewriting the code here to deal with
- // it. for now we just ignore it and not crash
- TokSplitString(':', line, list, sizeof(list)/sizeof(list[0]));
- if( list[0] == NULL || list[1] == NULL || list[2] == NULL)
+ // we need to split on ": " (note the appended space) as the ':' is
+ // part of the pkgname:arch information that dpkg sends
+ //
+ // A dpkg error message may contain additional ":" (like
+ // "failed in buffer_write(fd) (10, ret=-1): backend dpkg-deb ..."
+ // so we need to ensure to not split too much
+ std::vector<std::string> list = StringSplit(line, ": ", 3);
+ if(list.size() != 3)
{
if (Debug == true)
std::clog << "ignoring line: not enough ':'" << std::endl;
return;
}
- const char* const pkg = list[1];
- const char* action = _strstrip(list[2]);
+ // dpkg does not send always send "pkgname:arch" so we add it here if needed
+ std::string pkgname = list[1];
+ if (pkgname.find(":") == std::string::npos)
+ {
+ string const nativeArch = _config->Find("APT::Architecture");
+ pkgname = pkgname + ":" + nativeArch;
+ }
+ const char* const pkg = pkgname.c_str();
+ const char* action = list[2].c_str();
// 'processing' from dpkg looks like
// 'processing: action: pkg'
- if(strncmp(list[0], "processing", strlen("processing")) == 0)
+ if(strncmp(list[0].c_str(), "processing", strlen("processing")) == 0)
{
char s[200];
- const char* const pkg_or_trigger = _strstrip(list[2]);
- action = _strstrip( list[1]);
+ const char* const pkg_or_trigger = list[2].c_str();
+ action = list[1].c_str();
const std::pair<const char *, const char *> * const iter =
std::find_if(PackageProcessingOpsBegin,
PackageProcessingOpsEnd,
if(strncmp(action,"error",strlen("error")) == 0)
{
- // urgs, sometime has ":" in its error string so that we
- // end up with the error message split between list[3]
- // and list[4], e.g. the message:
- // "failed in buffer_write(fd) (10, ret=-1): backend dpkg-deb ..."
- // concat them again
- if( list[4] != NULL )
- list[3][strlen(list[3])] = ':';
-
status << "pmerror:" << list[1]
<< ":" << (PackagesDone/float(PackagesTotal)*100.0)
<< ":" << list[3]
if (Debug == true)
std::clog << "send: '" << status.str() << "'" << endl;
pkgFailures++;
- WriteApportReport(list[1], list[3]);
+ WriteApportReport(list[1].c_str(), list[3].c_str());
return;
}
else if(strncmp(action,"conffile",strlen("conffile")) == 0)
<< ":" << (PackagesDone/float(PackagesTotal)*100.0)
<< ":" << s
<< endl;
+ if(_config->FindB("DPkgPM::Progress", false) == true)
+ SendTerminalProgress(PackagesDone/float(PackagesTotal)*100.0);
+
if(OutStatusFd > 0)
FileFd::Write(OutStatusFd, status.str().c_str(), status.str().size());
if (Debug == true)
return _error->WarningE("OpenLog", _("Could not open file '%s'"), logfile_name.c_str());
setvbuf(d->term_out, NULL, _IONBF, 0);
SetCloseExec(fileno(d->term_out), true);
- struct passwd *pw;
- struct group *gr;
- pw = getpwnam("root");
- gr = getgrnam("adm");
- if (pw != NULL && gr != NULL)
- chown(logfile_name.c_str(), pw->pw_uid, gr->gr_gid);
- chmod(logfile_name.c_str(), 0640);
+ if (getuid() == 0) // if we aren't root, we can't chown a file, so don't try it
+ {
+ struct passwd *pw = getpwnam("root");
+ struct group *gr = getgrnam("adm");
+ if (pw != NULL && gr != NULL && chown(logfile_name.c_str(), pw->pw_uid, gr->gr_gid) != 0)
+ _error->WarningE("OpenLog", "chown to root:adm of file %s failed", logfile_name.c_str());
+ }
+ if (chmod(logfile_name.c_str(), 0640) != 0)
+ _error->WarningE("OpenLog", "chmod 0640 of file %s failed", logfile_name.c_str());
fprintf(d->term_out, "\nLog started: %s\n", timestr);
}
return true;
}
/*}}}*/
+// DPkgPM::SendTerminalProgress /*{{{*/
+// ---------------------------------------------------------------------
+/* Send progress info to the terminal
+ */
+void pkgDPkgPM::SendTerminalProgress(float percentage)
+{
+ int reporting_steps = _config->FindI("DpkgPM::Reporting-Steps", 1);
+
+ if(percentage < (d->last_reported_progress + reporting_steps))
+ return;
+
+ std::string progress_str;
+ strprintf(progress_str, "Progress: [%3i%%]", (int)percentage);
+ if (d->fancy_progress_output)
+ {
+ int row = d->nr_terminal_rows;
+
+ static string save_cursor = "\033[s";
+ static string restore_cursor = "\033[u";
+
+ static string set_bg_color = "\033[42m"; // green
+ static string set_fg_color = "\033[30m"; // black
+
+ static string restore_bg = "\033[49m";
+ static string restore_fg = "\033[39m";
+
+ std::cout << save_cursor
+ // move cursor position to last row
+ << "\033[" << row << ";0f"
+ << set_bg_color
+ << set_fg_color
+ << progress_str
+ << restore_cursor
+ << restore_bg
+ << restore_fg;
+ }
+ else
+ {
+ std::cout << progress_str << "\r\n";
+ }
+ std::flush(std::cout);
+
+ d->last_reported_progress = percentage;
+}
+ /*}}}*/
/*{{{*/
// This implements a racy version of pselect for those architectures
// that don't have a working implementation.
return retval;
}
/*}}}*/
+
+void pkgDPkgPM::SetupTerminalScrollArea(int nr_rows)
+{
+ if(!d->fancy_progress_output)
+ return;
+
+ // scroll down a bit to avoid visual glitch when the screen
+ // area shrinks by one row
+ std::cout << "\n";
+
+ // save cursor
+ std::cout << "\033[s";
+
+ // set scroll region (this will place the cursor in the top left)
+ std::cout << "\033[1;" << nr_rows - 1 << "r";
+
+ // restore cursor but ensure its inside the scrolling area
+ std::cout << "\033[u";
+ static const char *move_cursor_up = "\033[1A";
+ std::cout << move_cursor_up;
+ std::flush(std::cout);
+}
+
// DPkgPM::Go - Run the sequence /*{{{*/
// ---------------------------------------------------------------------
/* This globs the operations and calls dpkg
if((*I).Pkg.end() == true)
continue;
- string const name = (*I).Pkg.Name();
+ string const name = (*I).Pkg.FullName();
PackageOpsDone[name] = 0;
for(int i=0; (DpkgStatesOpMap[(*I).Op][i]).state != NULL; ++i)
{
// if tcgetattr does not return zero there was a error
// and we do not do any pty magic
- if (tcgetattr(0, &tt) == 0)
+ _error->PushToStack();
+ if (tcgetattr(STDOUT_FILENO, &tt) == 0)
{
- ioctl(0, TIOCGWINSZ, (char *)&win);
- if (openpty(&master, &slave, NULL, &tt, &win) < 0)
+ ioctl(1, TIOCGWINSZ, (char *)&win);
+ d->nr_terminal_rows = win.ws_row;
+ if (openpty(&master, &slave, NULL, &tt, &win) < 0)
{
- const char *s = _("Can not write log, openpty() "
- "failed (/dev/pts not mounted?)\n");
- fprintf(stderr, "%s",s);
- if(d->term_out)
- fprintf(d->term_out, "%s",s);
+ _error->Errno("openpty", _("Can not write log (%s)"), _("Is /dev/pts mounted?"));
master = slave = -1;
} else {
struct termios rtt;
sigprocmask(SIG_SETMASK, &original_sigmask, 0);
}
}
+ // complain only if stdout is either a terminal (but still failed) or is an invalid
+ // descriptor otherwise we would complain about redirection to e.g. /dev/null as well.
+ else if (isatty(STDOUT_FILENO) == 1 || errno == EBADF)
+ _error->Errno("tcgetattr", _("Can not write log (%s)"), _("Is stdout a terminal?"));
+
+ if (_error->PendingError() == true)
+ _error->DumpErrors(std::cerr);
+ _error->RevertToStack();
+
// Fork dpkg
pid_t Child;
_config->Set("APT::Keep-Fds::",fd[1]);
<< endl;
FileFd::Write(OutStatusFd, status.str().c_str(), status.str().size());
}
+
Child = ExecFork();
-
// This is the child
if (Child == 0)
{
+
if(slave >= 0 && master >= 0)
{
setsid();
if (chdir(_config->FindDir("DPkg::Run-Directory","/").c_str()) != 0)
_exit(100);
-
+
if (_config->FindB("DPkg::FlushSTDIN",true) == true && isatty(STDIN_FILENO))
{
int Flags,dummy;
if (fcntl(STDIN_FILENO,F_SETFL,Flags & (~(long)O_NONBLOCK)) < 0)
_exit(100);
}
+ SetupTerminalScrollArea(d->nr_terminal_rows);
/* No Job Control Stop Env is a magic dpkg var that prevents it
from using sigstop */
signal(SIGHUP,old_SIGHUP);
+ // reset scroll area
+ SetupTerminalScrollArea(d->nr_terminal_rows + 1);
+ if(d->fancy_progress_output)
+ {
+ // override the progress line (sledgehammer)
+ static const char* clear_screen_below_cursor = "\033[J";
+ std::cout << clear_screen_below_cursor;
+ }
+
if(master >= 0)
{
tcsetattr(0, TCSAFLUSH, &tt);
close(master);
}
-
+
// Check for an error code.
if (WIFEXITED(Status) == 0 || WEXITSTATUS(Status) != 0)
{
}
}
CloseLog();
-
+
+ // dpkg is done at this point
+ if(_config->FindB("DPkgPM::Progress", false) == true)
+ SendTerminalProgress(100);
+
if (pkgPackageManager::SigINTStop)
_error->Warning(_("Operation was interrupted before it could finish"));
HCoop / ntk / apt.git / blobdiff