eval '(exit $?0)' && eval 'exec perl -S $0 ${1+"$@"}' & eval 'exec perl -S $0 $argv:q' if 0; # THE PRECEEDING STUFF EXECS perl via $PATH # -*-Fundamental-*- # $Id: //guest/richard_geiger/utils/cvs2p4/bin/genmetadata#7 $ # # Richard Geiger # require 5.000; sub dirname { local($dir) = @_; $dir =~ s%^$%.%; $dir = "$dir/"; if ($dir =~ m%^/[^/]*//*$%) { return "/"; } if ($dir =~ m%^.*[^/]//*[^/][^/]*//*$%) { $dir =~ s%^(.*[^/])//*[^/][^/]*//*$%$1%; { return $dir; } } return "."; } use Carp; # ...or flounder. (This will fail unless 'perl' is a perl5!) $| = 1; ($Myname = $0) =~ s%^.*/%%; $Mydir = &dirname($0); $Here = `/bin/pwd`; chop $Here; if ($Mydir ne ".") { chdir "$Mydir" || die "$Myname: can't chdir \"$Mydir\": $!"; } chdir ".." || die "$Myname: can't chdir \"..\": $!"; $Mydir = `/bin/pwd`; chop $Mydir; chdir $Here || die "$Myname: can't chdir \"$Here\": $!"; require "$Mydir/lib/util.pl"; $Usage = <; if ($line eq "") { if ($Rcs_Eofatal) { $m = "unexpected eof on \"$Rcs_File\"."; printf STDERR "%s$m\n", &lead(); exit 1; } else { return undef; } } if ($line =~ /\r{0,1}\n$/) { $line =~ s/\r{0,1}\n$//; } return $line; } $Rcstok_Buf = ""; $Rcstok_pushed = undef; # Return the next token from the RCS repository file. # Caller should open the file on descriptor RCS. # (Caller should also empty $Rcstok_Buf!) sub rcstok { my $rcsstr; my $m; my $strpart; if (defined($Rcstok_pushed)) { my $ret = $Rcstok_pushed; $Rcstok_pushed = undef; return $ret; } $Rcstok_Buf =~ s/^\s+//; if ($Rcstok_Buf eq "") { while (1) { $Rcstok_Buf = &rcsline(); if (! defined ($Rcstok_Buf)) { return undef; } if ($Rcstok_Buf ne "") { last; } } $Rcstok_Buf =~ s/^\s+//; } # num # if ($Rcstok_Buf =~ /^([0-9][0-9.]*)(.*)$/) { $Rcstok_Buf = $2; return $1; } # : ; id # # Note: the character class for "idchar" assumes all characters # are printable ascii! May break with binary RCS files. # (Actually, I've now convinced myself that there is no # concern here). # if ($Rcstok_Buf =~ /^(:|;|[a-zA-Z][^ \t\r\n$,:;@]+)(.*)$/) { $Rcstok_Buf = $2; return $1; } # string # if ($Rcstok_Buf =~ /^@(.*)$/) { $Rcstok_Buf = $1; $rcsstr = ""; while (1) { if ($Rcstok_Buf eq "") { $rcsstr .= "\n"; $Rcstok_Buf = &rcsline(); if (! defined ($Rcstok_Buf)) { return undef; } } if ($Rcstok_Buf =~ /^([^@]+)(.*)$/) { $rcsstr .= $1; $Rcstok_Buf = $2; next; } if ($Rcstok_Buf =~ /^@@(.*)$/) { $rcsstr .= "@"; $Rcstok_Buf = $1; next; } if ($Rcstok_Buf =~ /^@(.*)$/) { $Rcstok_Buf = $1; return $rcsstr; } } } $m = "rcstok(): internal error: \$Rcstok_Buf <$Rcstok_Buf>"; printf STDERR "%s$m\n", &lead(); exit 1; } sub dirname { my ($dir) = @_; $dir =~ s%^$%.%; $dir = "$dir/"; if ($dir =~ m%^/[^/]*//*$%) { return "/"; } if ($dir =~ m%^.*[^/]//*[^/][^/]*//*$%) { $dir =~ s%^(.*[^/])//*[^/][^/]*//*$%$1%; { return $dir; } } return "."; } sub skip_to_rcstok { my ($this) = @_; my $tok; while (($tok = &rcstok()) ne $this) { }; } sub skip_to_deltas { my $tok; # Called after we encounter ";" for symbols. We must now skip: # # locks {id : num}*; {strict ;} # { comment {string}; } # { expand {string}; } # { newphrase }* while (1) { $tok = &rcstok(); if ($tok eq "expand") { $RCS_expand = &rcstok(); if (&rcstok() ne ";") { die "$Myname: skip_to_deltas(): expected ';' after expand."; } next; } if ($tok =~ /^[0-9]/) { $Rcstok_pushed = $tok; last; } while (1) { $tok = &rcstok(); if ($tok eq ";") { last; } } } } sub test_rcstoks { my $tok; open(RCS, "<$ARGV[1]") || die; $Rcstok_Buf = ""; $Rcs_Eofatal = 0; while (defined($tok = &rcstok)) { print "<$tok>\n"; } exit 1; } sub setrevs { my($d_rev, $d_next, $d_branches, $d_date, $d_author, $d_state) = @_; my($b_rev); $RCS_Revs{$d_rev} = "$d_next:$d_branches"; $d_date = "19$d_date" if length(( split( /\./, $d_date ))[0]) < 4; $RCS_Dates{$d_rev} = "$d_date"; $RCS_Authors{$d_rev} = "$d_author"; $RCS_States{$d_rev} = "$d_state"; if ($d_rev =~ /^1\.1\.1\./) { # We have a "vendor" branch - spoof a branch tag for it. # $RCS_Branchtags{"import"} = "1.1.0.1"; $RCS_Tags{"import"} = "1.1.0.1"; } if ($d_rev =~ /^[0-9]+\.[0-9]+$/) { $RCS_Prevs{$d_rev} = $d_next; if ($d_next) { $RCS_Nexts{$d_next} = $d_rev; } } else { if ($d_next) { $RCS_Prevs{$d_next} = $d_rev; } $RCS_Nexts{$d_rev} = $d_next; } foreach $b_rev (split(/ /, $d_branches)) { $RCS_Prevs{$b_rev} = $d_rev; } } # initialize RCS_Tags, RCS_Revs, (etc.) from an RCS ,v file. # sub set_RCS_revs { my ($path, $do_texts) = @_; my $repfile; my $tag; my $rev; my $tok; my ($d_havedelta, $d_branches, $d_next, $d_rev); my $rcspath; my $msg; undef $RCS_Valid; undef $RCS_expand; undef $RCS_exec; undef %RCS_Tags; undef %RCS_Branchtags; undef %RCS_Revs; undef %RCS_States; undef %RCS_Authors; undef %RCS_Dates; undef %RCS_Prevs; undef %RCS_Nexts; undef $RCS_Branch; undef %RCS_Texts; ($Rcs_File = $path) =~ s%^.*/%%; $repfile = $path; $rcspath = "<$repfile"; if (! open(RCS, $rcspath)) { printf STDERR "%scan't open \"$rcspath\": $!\n", &lead(); return 0; } if (-x $repfile) { $RCS_exec = "x"; } $Rcstok_Buf = ""; #while (1) { $tok = &rcstok(); print "<$tok>\n"; } &skip_to_rcstok("head"); # # (If the RCS repository is in the Attic there is logically no "head" # # revision for this file) # # # if ($path !~ /Attic\/.+,v$/) { $RCS_Tags{"head"} = &rcstok(); } $RCS_Tags{"head"} = &rcstok(); $tok = &rcstok(); $tok = &rcstok(); if ($tok eq "branch") { $RCS_Branch = &rcstok(); } &skip_to_rcstok("symbols"); while (1) { $tok = &rcstok(); if ($tok eq ";") { last; } $tag = $tok; &rcstok(); $rev = &rcstok(); $RCS_Tags{$tag} = $rev; if ($rev =~ /\.0\.[0-9]+$/) { $RCS_Branchtags{$tag} = $rev; } } &skip_to_deltas(); $d_rev = ""; $d_havedelta = 0; $d_branches = ""; $d_next = ""; while (1) { $tok = &rcstok(); if ($tok =~ /[0-9.]+/) { if ($d_havedelta) { &setrevs($d_rev, $d_next, $d_branches, $d_date, $d_author, $d_state); } $d_rev = $tok; $d_havedelta = 1; $d_branches = ""; $d_next = ""; } elsif ($tok eq "branches") { while (1) { if (($tok = &rcstok()) eq ";") { last; } if ($d_branches ne "") { $d_branches .= " "; } $d_branches .= $tok; } } elsif ($tok eq "date") { $tok = &rcstok(); if ($tok ne ";") { $d_date = $tok; &rcstok(); } } elsif ($tok eq "author") { $tok = &rcstok(); if ($tok ne ";") { $d_author = $tok; &rcstok(); } } elsif ($tok eq "state") { $tok = &rcstok(); if ($tok ne ";") { $d_state = $tok; &rcstok(); } } elsif ($tok eq "next") { $tok = &rcstok(); if ($tok ne ";") { $d_next = $tok; &rcstok(); } } elsif ($tok eq "desc") { last; } else { &skip_to_rcstok(";"); } } if ($d_havedelta) { &setrevs($d_rev, $d_next, $d_branches, $d_date, $d_author, $d_state); } if (! defined($do_texts)) { close RCS; $RCS_Valid = 1; return 1; } $Rcs_Eofatal = 0; while (1) { $tok = &rcstok(); if (! defined($tok)) { last; } if ($tok =~ /[0-9.]+/) { $d_rev = $tok; } elsif ($tok eq "text") { $msg = &rcstok(); if ($msg eq "") { $RCS_Texts{$d_rev} = 0; } else { $RCS_Texts{$d_rev} = 1; } } elsif ($tok eq "log") { $log = &rcstok(); $RCS_Logs{$d_rev} = $log; } } $Rcs_Eofatal = 1; close RCS; $RCS_Valid = 1; return 1; } sub rcs_tip { my ($rev) = @_; my $next; # Find the tip of the branch... # while (1) { if (! defined($RCS_Revs{$rev})) { return "???"; } ($next) = split(/:/, $RCS_Revs{$rev}); if ($next eq "") { return $rev; } $rev = $next; } } # given a "CVS line spec" (revision #, "head", or a tag) # sub rev_on_line { my($line) = @_; if ($line eq $TRUNKLINE) { $line = "head"; } # else # { $line = "${line}_BRANCH"; } if (defined($RCS_Tags{$line})) { $line = $RCS_Tags{$line}; } elsif ($line !~ /^[0-9.]+$/) { return "none"; } if ($line =~ /\.0\.([0-9]+)$/) { # It's a CVS branch revision number... demunge it: # $line =~ s/\.0(\.[0-9]+)$/$1/; # OK, see whether the branch actually exists: # (We have an assumption here that first rev is always ".1") # $line = "$line.1"; if (! defined($RCS_Revs{$line})) { # Nope, so fall back to the root, which we know to be an # existing revision... $line =~ s/\.[0-9]+\.[0-9]+$//; return $line; } # Yep, the branch exists; so it *is* a branch; so, we go out to # the tip. (Right?) # return &rcs_tip($line); } # OK, do we have an RCS branch or an RCS revision number? (count # the dots) # if (($line =~ tr/\././) % 2) { # An odd number of dots... it's a revision number # if (defined($RCS_Revs{$line})) { return $line; } return "none"; # Or should we assert? } else { # An even number of dots... it's a branch number # (We have an assumption here that first rev is always ".1") # return &rcs_tip("$line.1"); } } # Is rev "$this" < rev "$that"? # Note: "" is considered infinitely high # revs must be of the same order (I.e., same # of "."s) # sub rev_lt { my($this, $that) = @_; my(@this, @that); if (! $that) { return 1; } @this = split(/\./, $this); @that = split(/\./, $that); while (1) { $this_n = shift(@this); $that_n = shift(@that); if ($this_n < $that_n) { return 1; } if ($this_n > $that_n) { return 0; } if ($#this < 0) { return 0; } } } # Note: "" is considered infinitely high # sub linerev_gt { my($this, $that) = @_; my $ret; if (! $that) { $ret = 1; } else { my $thisord, $thatord; $thisord = ($this =~ tr/\././); $thatord = ($that =~ tr/\././); if ($thisord < $thatord) { $ret = 1; } elsif ($thisord > $thatord) { $ret = 0; } else { $ret = &rev_lt($that, $this); } } return $ret; } # Maximum size for a log message we'll keep. # Messages beyond this get truncated, to accomodate a limitation # on the key/value pair size in ndbm. That's life. # $MAXSZ = 256*3; # Generate the metadata for a single file # sub dofile { local($dir, $file) = @_; if ($file !~ /,v$/) { return; } if ($IGNOREFILES && $file =~ /$IGNOREFILES/) { return; } #if ($file ne "rm.c,v") { return; } undef %RCS_lines; undef %RCS_Branches; undef $Firstusedrev; # This parses the RCS information from the ,v file, filling # in various data structures that we use, below. # &set_RCS_revs("$dir/$file", 0); # What RCS keyword expansion options are in effect? # (We use this to detect binary files) # $options = "${RCS_expand}$RCS_exec"; if (! $options) { $options = "-"; } @path = split(/\//, "$dir/$file"); $file = pop(@path); $file =~ s/,v$//; if ($path[$#path] eq "Attic") { pop @path; } $dir = join("/", @path); $path = sprintf("%s%s%s", $dir, $dir ? "/" : "", $file); print "$path\n"; # For all of the branches we see, store the tip revision in # $HAVELINES{$line}; this is also where we weed out # codelines we are not interested in. # foreach $line ((keys %RCS_Branchtags), $TRUNKLINE) { $no_flash_line = $line; if (defined($BRANCH_FLASH)) { $no_flash_line =~ s/$BRANCH_FLASH$//; } if ($WANTLINES && ! (defined($WANTLINES{$no_flash_line}))) { next; } if (($tiprev = &rev_on_line($line)) eq "none") { next; } $HAVELINES{$line} = $tiprev; } # Now we go through each line, to build a list of the RCS revs that # need to be exported into the metadata stream. # while (1) # We have more lines to deal with... { (@k) = (keys %HAVELINES); if ($#k < 0) { last; } my $theline; # Choose the highest numbered line of the lowest "order" for # the next one to export... this will always pickup lines on # branches nearer the trunk first, so the subsequent branches # will have a place to branch from! # foreach $k (@k) { if ($k eq $TRUNKLINE) { $theline = $k; last; } # if both lines select the *same* revision... # if ($HAVELINES{$k} eq $HAVELINES{$theline}) { # ...take the one with the lower branch tag order first # if (&linerev_gt($RCS_Branchtags{$k}, $RCS_Branchtags{$theline})) { $theline = $k; next; } } if (&linerev_gt($HAVELINES{$k}, $HAVELINES{$theline})) { $theline = $k; } } $rev = $tiprev = &rev_on_line($theline); $t = $theline; if (defined($BRANCH_FLASH)) { $t =~ s/$BRANCH_FLASH$//; } # This is where we build the list of codelines we've encountered. # $All_lines{$t} = 1; if ( (defined($RCS_lines{$rev})) && ($theline ne $TRUNKLINE) && (($rev =~ tr/\././) < ($RCS_Branchtags{$theline} =~ tr/\././))) { if ($RCS_Branches{$rev}) { $RCS_Branches{$rev} .= ":"; } $RCS_Branches{$rev} .= $t; } else { while ($rev && ! defined($RCS_lines{$rev})) { $RCS_lines{$rev} = $theline; $rev = $RCS_Prevs{$rev}; } if ($rev) { if ($RCS_Branches{$rev}) { $RCS_Branches{$rev} .= ":"; } $RCS_Branches{$rev} .= $t; } } # We test for "if $rev" here cause it may have gone null if the while loop # above ran off the end... # if ($rev && (($rev =~ tr/\././) == 1) && &rev_lt($rev, $Firstusedrev)) { $Firstusedrev = $rev } delete $HAVELINES{$theline}; } # OK, we have the set of revisions to export - write them to the # metadata stream. # foreach $rev (keys %RCS_Revs) { $revkey = "$path/$rev"; $state = $RCS_States{$rev}; $author = $RCS_Authors{$rev}; $date = $RCS_Dates{$rev}; $date =~ s/\.//g; $line = $RCS_lines{$rev}; if (defined($BRANCH_FLASH)) { $line =~ s/$BRANCH_FLASH$//; } $branches = $RCS_Branches{$rev}; # Detect revisions before the first branch point, and # omit them if we're not doing ALLTHEWAYBACK. # if ( (! $ALLTHEWAYBACK) && ($line eq $TRUNKLINE) && ($rev ne $RCS_Tags{"head"}) && $Firstusedrev && &rev_lt($rev, $Firstusedrev)) { next; } if (! $line) { next; } if (! $branches) { $branches = "-"; } if ((! $ALLTHEWAYBACK) && $rev eq $Firstusedrev) { $prevrev = "-"; } elsif ($RCS_Prevs{$rev}) { $prevrev = $RCS_Prevs{$rev}; } else { $prevrev = "-"; } $All_lines{$line} = 1; print META "$revkey$S$date$S$author$S$state$S$line$S$branches$S$prevrev$S$options\n"; # MAXSZ derives from a ndbm limitation on the size of a key/entry pair. # at (256*3) it allows for a $revkey up to 250 chars or so. # $logmsg = substr($RCS_Logs{$rev}, 0, $MAXSZ); if ($logmsg !~ /\n$/) { $logmsg .= "\n"; } if (length($logmsg)+length($revkey) > 1010) { print "$Myname: revkey + log too long for <$revkey>\n"; exit 1; } $MSGS{$revkey} = $logmsg; } } # option switch variables get defaults here... $Convdir = ""; $Boolopt = 0; $Valopt = 0; while ($#ARGV >= 0) { if ($ARGV[0] eq "-boolopt") { $Boolopt = 1; shift; next; } elsif ($ARGV[0] eq "-valopt") { shift; if ($ARGV[0] < 0) { &usage; } $Valopt = $ARGV[0]; shift; next; } elsif ($ARGV[0] eq "-help") { &help; } elsif ($ARGV[0] =~ /^-/) { &usage; } if ($Args ne "") { $Args .= " "; } push(@Args, $ARGV[0]); shift; } if ($#Args ne 0) { &usage; } $Convdir = $Args[0]; $Metadata = "$Convdir/metadata"; $Logmsgs = "$Convdir/logmsgs"; $Changes = "$Convdir/changes"; $Revmap = "$Convdir/revmap"; $Clientdir = "$Convdir/p4"; require "$Convdir/config"; if (! open(META, "| sort -t '$S' -n +1 >$Metadata")) { print "$Myname: can't open \"| sort -n +1 >$Metadata\": $!\n"; exit 1; } &s("rm -rf $Logmsgs.dir $Logmsgs.pag $Changes $Clientdir $Revmap.dir $Revmap.pag"); if (! dbmopen(MSGS, $Logmsgs, 0666)) { print "$Myname: can't dbmopen \"$Logmsgs\": $!\n"; exit 1; } #chdir $CVS_MODULE || die "$Myname: can't chdir \"$CVS_MODULE\": $!"; #$CVS_MODULE = `/bin/pwd`; chop $CVS_MODULE; #chdir $Here || die "$Myname: can't chdir \"$Here\": $!"; &traverse($CVS_MODULE, 0, "dofile"); close META; dbmclose MESSAGES; $Lines = "$Convdir/lines"; if (! open(LINES, ">$Lines")) { print "$Myname: can't open \">$Lines\": $!\n"; } else { print "===== Lines referenced:\n"; print LINES "===== Lines referenced:\n"; foreach $line (sort keys %All_lines) { print "$line\n"; print LINES "$line\n"; } close LINES; } exit 0;