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}
# Get an RCS revision
proc GetRcsRev {filename outfile {rev {}}} {
catch {exec co -p$rev [file nativename $filename] \
> $outfile}
}
# Get a ClearCase revision
proc GetCtRev {filename outfile rev} {
set filerev [file nativename $filename@@$rev]
if {[catch {exec cleartool get -to $outfile $filerev} msg]} {
tk_messageBox -icon error -title "Cleartool error" -message $msg
return
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}
# Get an RCS revision
proc GetRcsRev {filename outfile {rev {}}} {
catch {exec co -p$rev [file nativename $filename] \
> $outfile}
}
# Return current revision of a CVS file
proc GetCurrentRev {filename} {
set old ""
set dir [file dirname $filename]
if {$dir != "."} {
set old [pwd]
cd $dir
set filename [file tail $filename]
}
set cmd [list exec cvs status [file nativename $filename]]
if {[catch {eval $cmd} res]} {
# What to do here?
set rev "1.1"
} else {
if {![regexp {Working revision:\s+(\d\S*)} $res -> rev]} {
set rev "1.1"
}
}
if {$old != ""} {
cd $old
}
return $rev
}
# Figure out CVS revision from arguments
proc ParseCvsRevs {filename rev} {
# An integer rev is a relative rev
if {[string is integer -strict $rev]} {
puts "Hej $rev"
set curr [GetCurrentRev $filename]
puts "Hopp $curr"
regexp {^(.*\.)(\d+)$} $curr -> head tail
set tail [expr {$tail + $rev}]
if {$tail < 1} {set tail 1}
set rev $head$tail
}
return $rev
}
# Get a ClearCase revision
proc GetCtRev {filename outfile rev} {
set filerev [file nativename $filename@@$rev]
if {[catch {exec cleartool get -to $outfile $filerev} msg]} {
tk_messageBox -icon error -title "Cleartool error" -message $msg
return
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set revlabels {}
foreach rev $revs {
set rev [ParseCtRevs $::diff($top,RevFile) $stream $rev]
lappend revs2 $rev
lappend revlabels [GetLastTwoPath $rev]
}
set revs $revs2
} else {
set revlabels $revs
}
if {[llength $revs] < 2} {
# Compare local file with specified version.
disallowEdit $top 1
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set revlabels {}
foreach rev $revs {
set rev [ParseCtRevs $::diff($top,RevFile) $stream $rev]
lappend revs2 $rev
lappend revlabels [GetLastTwoPath $rev]
}
set revs $revs2
} elseif {$type eq "CVS"} {
set revs2 {}
set revlabels {}
foreach rev $revs {
set rev [ParseCvsRevs $::diff($top,RevFile) $rev]
lappend revs2 $rev
}
set revs $revs2
set revlabels $revs
} else {
set revlabels $revs
}
if {[llength $revs] < 2} {
# Compare local file with specified version.
disallowEdit $top 1
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