+
+proc contmergediff {ids} {
+ global diffmergeid diffpindex parents nparents diffmergegca
+ global treediffs mergefilelist diffids treepending
+
+ # diff the child against each of the parents, and diff
+ # each of the parents against the GCA.
+ while 1 {
+ if {[lindex $ids 1] == $diffmergeid && $diffmergegca ne {}} {
+ set ids [list $diffmergegca [lindex $ids 0]]
+ } else {
+ if {[incr diffpindex] >= $nparents($diffmergeid)} break
+ set p [lindex $parents($diffmergeid) $diffpindex]
+ set ids [list $p $diffmergeid]
+ }
+ if {![info exists treediffs($ids)]} {
+ set diffids $ids
+ if {![info exists treepending]} {
+ gettreediffs $ids
+ }
+ return
+ }
+ }
+
+ # If a file in some parent is different from the child and also
+ # different from the GCA, then it's interesting.
+ # If we don't have a GCA, then a file is interesting if it is
+ # different from the child in all the parents.
+ if {$diffmergegca ne {}} {
+ set files {}
+ foreach p $parents($diffmergeid) {
+ set gcadiffs $treediffs([list $diffmergegca $p])
+ foreach f $treediffs([list $p $diffmergeid]) {
+ if {[lsearch -exact $files $f] < 0
+ && [lsearch -exact $gcadiffs $f] >= 0} {
+ lappend files $f
+ }
+ }
+ }
+ set files [lsort $files]
+ } else {
+ set p [lindex $parents($diffmergeid) 0]
+ set files $treediffs([list $diffmergeid $p])
+ for {set i 1} {$i < $nparents($diffmergeid) && $files ne {}} {incr i} {
+ set p [lindex $parents($diffmergeid) $i]
+ set df $treediffs([list $p $diffmergeid])
+ set nf {}
+ foreach f $files {
+ if {[lsearch -exact $df $f] >= 0} {
+ lappend nf $f
+ }
+ }
+ set files $nf
+ }
+ }
+
+ set mergefilelist($diffmergeid) $files
+ if {$files ne {}} {
+ showmergediff
+ }
+}
+
+proc showmergediff {} {
+ global cflist diffmergeid mergefilelist parents
+ global diffopts diffinhunk currentfile currenthunk filelines
+ global diffblocked groupfilelast mergefds groupfilenum grouphunks
+
+ set files $mergefilelist($diffmergeid)
+ foreach f $files {
+ $cflist insert end $f
+ }
+ set env(GIT_DIFF_OPTS) $diffopts
+ set flist {}
+ catch {unset currentfile}
+ catch {unset currenthunk}
+ catch {unset filelines}
+ catch {unset groupfilenum}
+ catch {unset grouphunks}
+ set groupfilelast -1
+ foreach p $parents($diffmergeid) {
+ set cmd [list | git-diff-tree -p $p $diffmergeid]
+ set cmd [concat $cmd $mergefilelist($diffmergeid)]
+ if {[catch {set f [open $cmd r]} err]} {
+ error_popup "Error getting diffs: $err"
+ foreach f $flist {
+ catch {close $f}
+ }
+ return
+ }
+ lappend flist $f
+ set ids [list $diffmergeid $p]
+ set mergefds($ids) $f
+ set diffinhunk($ids) 0
+ set diffblocked($ids) 0
+ fconfigure $f -blocking 0
+ fileevent $f readable [list getmergediffline $f $ids $diffmergeid]
+ }
+}
+
+proc getmergediffline {f ids id} {
+ global diffmergeid diffinhunk diffoldlines diffnewlines
+ global currentfile currenthunk
+ global diffoldstart diffnewstart diffoldlno diffnewlno
+ global diffblocked mergefilelist
+ global noldlines nnewlines difflcounts filelines
+
+ set n [gets $f line]
+ if {$n < 0} {
+ if {![eof $f]} return
+ }
+
+ if {!([info exists diffmergeid] && $diffmergeid == $id)} {
+ if {$n < 0} {
+ close $f
+ }
+ return
+ }
+
+ if {$diffinhunk($ids) != 0} {
+ set fi $currentfile($ids)
+ if {$n > 0 && [regexp {^[-+ \\]} $line match]} {
+ # continuing an existing hunk
+ set line [string range $line 1 end]
+ set p [lindex $ids 1]
+ if {$match eq "-" || $match eq " "} {
+ set filelines($p,$fi,$diffoldlno($ids)) $line
+ incr diffoldlno($ids)
+ }
+ if {$match eq "+" || $match eq " "} {
+ set filelines($id,$fi,$diffnewlno($ids)) $line
+ incr diffnewlno($ids)
+ }
+ if {$match eq " "} {
+ if {$diffinhunk($ids) == 2} {
+ lappend difflcounts($ids) \
+ [list $noldlines($ids) $nnewlines($ids)]
+ set noldlines($ids) 0
+ set diffinhunk($ids) 1
+ }
+ incr noldlines($ids)
+ } elseif {$match eq "-" || $match eq "+"} {
+ if {$diffinhunk($ids) == 1} {
+ lappend difflcounts($ids) [list $noldlines($ids)]
+ set noldlines($ids) 0
+ set nnewlines($ids) 0
+ set diffinhunk($ids) 2
+ }
+ if {$match eq "-"} {
+ incr noldlines($ids)
+ } else {
+ incr nnewlines($ids)
+ }
+ }
+ # and if it's \ No newline at end of line, then what?
+ return
+ }
+ # end of a hunk
+ if {$diffinhunk($ids) == 1 && $noldlines($ids) != 0} {
+ lappend difflcounts($ids) [list $noldlines($ids)]
+ } elseif {$diffinhunk($ids) == 2
+ && ($noldlines($ids) != 0 || $nnewlines($ids) != 0)} {
+ lappend difflcounts($ids) [list $noldlines($ids) $nnewlines($ids)]
+ }
+ set currenthunk($ids) [list $currentfile($ids) \
+ $diffoldstart($ids) $diffnewstart($ids) \
+ $diffoldlno($ids) $diffnewlno($ids) \
+ $difflcounts($ids)]
+ set diffinhunk($ids) 0
+ # -1 = need to block, 0 = unblocked, 1 = is blocked
+ set diffblocked($ids) -1
+ processhunks
+ if {$diffblocked($ids) == -1} {
+ fileevent $f readable {}
+ set diffblocked($ids) 1
+ }
+ }
+
+ if {$n < 0} {
+ # eof
+ if {!$diffblocked($ids)} {
+ close $f
+ set currentfile($ids) [llength $mergefilelist($diffmergeid)]
+ set currenthunk($ids) [list $currentfile($ids) 0 0 0 0 {}]
+ processhunks
+ }
+ } elseif {[regexp {^diff --git a/(.*) b/} $line match fname]} {
+ # start of a new file
+ set currentfile($ids) \
+ [lsearch -exact $mergefilelist($diffmergeid) $fname]
+ } elseif {[regexp {^@@ -([0-9]+),([0-9]+) \+([0-9]+),([0-9]+) @@(.*)} \
+ $line match f1l f1c f2l f2c rest]} {
+ if {[info exists currentfile($ids)] && $currentfile($ids) >= 0} {
+ # start of a new hunk
+ if {$f1l == 0 && $f1c == 0} {
+ set f1l 1
+ }
+ if {$f2l == 0 && $f2c == 0} {
+ set f2l 1
+ }
+ set diffinhunk($ids) 1
+ set diffoldstart($ids) $f1l
+ set diffnewstart($ids) $f2l
+ set diffoldlno($ids) $f1l
+ set diffnewlno($ids) $f2l
+ set difflcounts($ids) {}
+ set noldlines($ids) 0
+ set nnewlines($ids) 0
+ }
+ }
+}
+
+proc processhunks {} {
+ global diffmergeid parents nparents currenthunk
+ global mergefilelist diffblocked mergefds
+ global grouphunks grouplinestart grouplineend groupfilenum
+
+ set nfiles [llength $mergefilelist($diffmergeid)]
+ while 1 {
+ set fi $nfiles
+ set lno 0
+ # look for the earliest hunk
+ foreach p $parents($diffmergeid) {
+ set ids [list $diffmergeid $p]
+ if {![info exists currenthunk($ids)]} return
+ set i [lindex $currenthunk($ids) 0]
+ set l [lindex $currenthunk($ids) 2]
+ if {$i < $fi || ($i == $fi && $l < $lno)} {
+ set fi $i
+ set lno $l
+ set pi $p
+ }
+ }
+
+ if {$fi < $nfiles} {
+ set ids [list $diffmergeid $pi]
+ set hunk $currenthunk($ids)
+ unset currenthunk($ids)
+ if {$diffblocked($ids) > 0} {
+ fileevent $mergefds($ids) readable \
+ [list getmergediffline $mergefds($ids) $ids $diffmergeid]
+ }
+ set diffblocked($ids) 0
+
+ if {[info exists groupfilenum] && $groupfilenum == $fi
+ && $lno <= $grouplineend} {
+ # add this hunk to the pending group
+ lappend grouphunks($pi) $hunk
+ set endln [lindex $hunk 4]
+ if {$endln > $grouplineend} {
+ set grouplineend $endln
+ }
+ continue
+ }
+ }
+
+ # succeeding stuff doesn't belong in this group, so
+ # process the group now
+ if {[info exists groupfilenum]} {
+ processgroup
+ unset groupfilenum
+ unset grouphunks
+ }
+
+ if {$fi >= $nfiles} break
+
+ # start a new group
+ set groupfilenum $fi
+ set grouphunks($pi) [list $hunk]
+ set grouplinestart $lno
+ set grouplineend [lindex $hunk 4]
+ }
+}
+
+proc processgroup {} {
+ global groupfilelast groupfilenum difffilestart
+ global mergefilelist diffmergeid ctext filelines
+ global parents diffmergeid diffoffset
+ global grouphunks grouplinestart grouplineend nparents
+ global mergemax
+
+ $ctext conf -state normal
+ set id $diffmergeid
+ set f $groupfilenum
+ if {$groupfilelast != $f} {
+ $ctext insert end "\n"
+ set here [$ctext index "end - 1c"]
+ set difffilestart($f) $here
+ set mark fmark.[expr {$f + 1}]
+ $ctext mark set $mark $here
+ $ctext mark gravity $mark left
+ set header [lindex $mergefilelist($id) $f]
+ set l [expr {(78 - [string length $header]) / 2}]
+ set pad [string range "----------------------------------------" 1 $l]
+ $ctext insert end "$pad $header $pad\n" filesep
+ set groupfilelast $f
+ foreach p $parents($id) {
+ set diffoffset($p) 0
+ }
+ }
+
+ $ctext insert end "@@" msep
+ set nlines [expr {$grouplineend - $grouplinestart}]
+ set events {}
+ set pnum 0
+ foreach p $parents($id) {
+ set startline [expr {$grouplinestart + $diffoffset($p)}]
+ set ol $startline
+ set nl $grouplinestart
+ if {[info exists grouphunks($p)]} {
+ foreach h $grouphunks($p) {
+ set l [lindex $h 2]
+ if {$nl < $l} {
+ for {} {$nl < $l} {incr nl} {
+ set filelines($p,$f,$ol) $filelines($id,$f,$nl)
+ incr ol
+ }
+ }
+ foreach chunk [lindex $h 5] {
+ if {[llength $chunk] == 2} {
+ set olc [lindex $chunk 0]
+ set nlc [lindex $chunk 1]
+ set nnl [expr {$nl + $nlc}]
+ lappend events [list $nl $nnl $pnum $olc $nlc]
+ incr ol $olc
+ set nl $nnl
+ } else {
+ incr ol [lindex $chunk 0]
+ incr nl [lindex $chunk 0]
+ }
+ }
+ }
+ }
+ if {$nl < $grouplineend} {
+ for {} {$nl < $grouplineend} {incr nl} {
+ set filelines($p,$f,$ol) $filelines($id,$f,$nl)
+ incr ol
+ }
+ }
+ set nlines [expr {$ol - $startline}]
+ $ctext insert end " -$startline,$nlines" msep
+ incr pnum
+ }
+
+ set nlines [expr {$grouplineend - $grouplinestart}]
+ $ctext insert end " +$grouplinestart,$nlines @@\n" msep
+
+ set events [lsort -integer -index 0 $events]
+ set nevents [llength $events]
+ set nmerge $nparents($diffmergeid)
+ set l $grouplinestart
+ for {set i 0} {$i < $nevents} {set i $j} {
+ set nl [lindex $events $i 0]
+ while {$l < $nl} {
+ $ctext insert end " $filelines($id,$f,$l)\n"
+ incr l
+ }
+ set e [lindex $events $i]
+ set enl [lindex $e 1]
+ set j $i
+ set active {}
+ while 1 {
+ set pnum [lindex $e 2]
+ set olc [lindex $e 3]
+ set nlc [lindex $e 4]
+ if {![info exists delta($pnum)]} {
+ set delta($pnum) [expr {$olc - $nlc}]
+ lappend active $pnum
+ } else {
+ incr delta($pnum) [expr {$olc - $nlc}]
+ }
+ if {[incr j] >= $nevents} break
+ set e [lindex $events $j]
+ if {[lindex $e 0] >= $enl} break
+ if {[lindex $e 1] > $enl} {
+ set enl [lindex $e 1]
+ }
+ }
+ set nlc [expr {$enl - $l}]
+ set ncol mresult
+ set bestpn -1
+ if {[llength $active] == $nmerge - 1} {
+ # no diff for one of the parents, i.e. it's identical
+ for {set pnum 0} {$pnum < $nmerge} {incr pnum} {
+ if {![info exists delta($pnum)]} {
+ if {$pnum < $mergemax} {
+ lappend ncol m$pnum
+ } else {
+ lappend ncol mmax
+ }
+ break
+ }
+ }
+ } elseif {[llength $active] == $nmerge} {
+ # all parents are different, see if one is very similar
+ set bestsim 30
+ for {set pnum 0} {$pnum < $nmerge} {incr pnum} {
+ set sim [similarity $pnum $l $nlc $f \
+ [lrange $events $i [expr {$j-1}]]]
+ if {$sim > $bestsim} {
+ set bestsim $sim
+ set bestpn $pnum
+ }
+ }
+ if {$bestpn >= 0} {
+ lappend ncol m$bestpn
+ }
+ }
+ set pnum -1
+ foreach p $parents($id) {
+ incr pnum
+ if {![info exists delta($pnum)] || $pnum == $bestpn} continue
+ set olc [expr {$nlc + $delta($pnum)}]
+ set ol [expr {$l + $diffoffset($p)}]
+ incr diffoffset($p) $delta($pnum)
+ unset delta($pnum)
+ for {} {$olc > 0} {incr olc -1} {
+ $ctext insert end "-$filelines($p,$f,$ol)\n" m$pnum
+ incr ol
+ }
+ }
+ set endl [expr {$l + $nlc}]
+ if {$bestpn >= 0} {
+ # show this pretty much as a normal diff
+ set p [lindex $parents($id) $bestpn]
+ set ol [expr {$l + $diffoffset($p)}]
+ incr diffoffset($p) $delta($bestpn)
+ unset delta($bestpn)
+ for {set k $i} {$k < $j} {incr k} {
+ set e [lindex $events $k]
+ if {[lindex $e 2] != $bestpn} continue
+ set nl [lindex $e 0]
+ set ol [expr {$ol + $nl - $l}]
+ for {} {$l < $nl} {incr l} {
+ $ctext insert end "+$filelines($id,$f,$l)\n" $ncol
+ }
+ set c [lindex $e 3]
+ for {} {$c > 0} {incr c -1} {
+ $ctext insert end "-$filelines($p,$f,$ol)\n" m$bestpn
+ incr ol
+ }
+ set nl [lindex $e 1]
+ for {} {$l < $nl} {incr l} {
+ $ctext insert end "+$filelines($id,$f,$l)\n" mresult
+ }
+ }
+ }
+ for {} {$l < $endl} {incr l} {
+ $ctext insert end "+$filelines($id,$f,$l)\n" $ncol
+ }
+ }
+ while {$l < $grouplineend} {
+ $ctext insert end " $filelines($id,$f,$l)\n"
+ incr l
+ }
+ $ctext conf -state disabled
+}
+
+proc similarity {pnum l nlc f events} {
+ global diffmergeid parents diffoffset filelines
+
+ set id $diffmergeid
+ set p [lindex $parents($id) $pnum]
+ set ol [expr {$l + $diffoffset($p)}]
+ set endl [expr {$l + $nlc}]
+ set same 0
+ set diff 0
+ foreach e $events {
+ if {[lindex $e 2] != $pnum} continue
+ set nl [lindex $e 0]
+ set ol [expr {$ol + $nl - $l}]
+ for {} {$l < $nl} {incr l} {
+ incr same [string length $filelines($id,$f,$l)]
+ incr same
+ }
+ set oc [lindex $e 3]
+ for {} {$oc > 0} {incr oc -1} {
+ incr diff [string length $filelines($p,$f,$ol)]
+ incr diff
+ incr ol
+ }
+ set nl [lindex $e 1]
+ for {} {$l < $nl} {incr l} {
+ incr diff [string length $filelines($id,$f,$l)]
+ incr diff
+ }
+ }
+ for {} {$l < $endl} {incr l} {
+ incr same [string length $filelines($id,$f,$l)]
+ incr same
+ }
+ if {$same == 0} {
+ return 0
+ }
+ return [expr {200 * $same / (2 * $same + $diff)}]
+}
+
+proc startdiff {ids} {
+ global treediffs diffids treepending diffmergeid
+
+ set diffids $ids
+ catch {unset diffmergeid}
+ if {![info exists treediffs($ids)]} {
+ if {![info exists treepending]} {
+ gettreediffs $ids
+ }
+ } else {
+ addtocflist $ids
+ }
+}
+
+proc addtocflist {ids} {
+ global treediffs cflist
+ foreach f $treediffs($ids) {
+ $cflist insert end $f
+ }
+ getblobdiffs $ids
+}
+
+proc gettreediffs {ids} {
+ global treediff parents treepending
+ set treepending $ids
+ set treediff {}
+ if [catch {set gdtf [open [concat | git-diff-tree --no-commit-id -r $ids] r]}] return
+ fconfigure $gdtf -blocking 0
+ fileevent $gdtf readable [list gettreediffline $gdtf $ids]
+}
+
+proc gettreediffline {gdtf ids} {
+ global treediff treediffs treepending diffids diffmergeid
+
+ set n [gets $gdtf line]
+ if {$n < 0} {
+ if {![eof $gdtf]} return
+ close $gdtf
+ set treediffs($ids) $treediff
+ unset treepending
+ if {$ids != $diffids} {
+ gettreediffs $diffids
+ } else {
+ if {[info exists diffmergeid]} {
+ contmergediff $ids
+ } else {
+ addtocflist $ids
+ }
+ }
+ return
+ }
+ set file [lindex $line 5]
+ lappend treediff $file
+}
+
+proc getblobdiffs {ids} {
+ global diffopts blobdifffd diffids env curdifftag curtagstart
+ global difffilestart nextupdate diffinhdr treediffs
+
+ set env(GIT_DIFF_OPTS) $diffopts
+ set cmd [concat | git-diff-tree --no-commit-id -r -p -C $ids]
+ if {[catch {set bdf [open $cmd r]} err]} {
+ puts "error getting diffs: $err"
+ return
+ }
+ set diffinhdr 0
+ fconfigure $bdf -blocking 0
+ set blobdifffd($ids) $bdf
+ set curdifftag Comments
+ set curtagstart 0.0
+ catch {unset difffilestart}
+ fileevent $bdf readable [list getblobdiffline $bdf $diffids]
+ set nextupdate [expr {[clock clicks -milliseconds] + 100}]
+}
+
+proc getblobdiffline {bdf ids} {
+ global diffids blobdifffd ctext curdifftag curtagstart
+ global diffnexthead diffnextnote difffilestart
+ global nextupdate diffinhdr treediffs
+
+ set n [gets $bdf line]
+ if {$n < 0} {
+ if {[eof $bdf]} {
+ close $bdf
+ if {$ids == $diffids && $bdf == $blobdifffd($ids)} {
+ $ctext tag add $curdifftag $curtagstart end
+ }
+ }
+ return
+ }
+ if {$ids != $diffids || $bdf != $blobdifffd($ids)} {
+ return
+ }
+ $ctext conf -state normal
+ if {[regexp {^diff --git a/(.*) b/(.*)} $line match fname newname]} {
+ # start of a new file
+ $ctext insert end "\n"
+ $ctext tag add $curdifftag $curtagstart end
+ set curtagstart [$ctext index "end - 1c"]
+ set header $newname
+ set here [$ctext index "end - 1c"]
+ set i [lsearch -exact $treediffs($diffids) $fname]
+ if {$i >= 0} {
+ set difffilestart($i) $here
+ incr i
+ $ctext mark set fmark.$i $here
+ $ctext mark gravity fmark.$i left
+ }
+ if {$newname != $fname} {
+ set i [lsearch -exact $treediffs($diffids) $newname]
+ if {$i >= 0} {
+ set difffilestart($i) $here
+ incr i
+ $ctext mark set fmark.$i $here
+ $ctext mark gravity fmark.$i left
+ }
+ }
+ set curdifftag "f:$fname"
+ $ctext tag delete $curdifftag
+ set l [expr {(78 - [string length $header]) / 2}]
+ set pad [string range "----------------------------------------" 1 $l]
+ $ctext insert end "$pad $header $pad\n" filesep
+ set diffinhdr 1
+ } elseif {[regexp {^(---|\+\+\+)} $line]} {
+ set diffinhdr 0
+ } elseif {[regexp {^@@ -([0-9]+),([0-9]+) \+([0-9]+),([0-9]+) @@(.*)} \
+ $line match f1l f1c f2l f2c rest]} {
+ $ctext insert end "$line\n" hunksep
+ set diffinhdr 0
+ } else {
+ set x [string range $line 0 0]
+ if {$x == "-" || $x == "+"} {
+ set tag [expr {$x == "+"}]
+ $ctext insert end "$line\n" d$tag
+ } elseif {$x == " "} {
+ $ctext insert end "$line\n"
+ } elseif {$diffinhdr || $x == "\\"} {
+ # e.g. "\ No newline at end of file"
+ $ctext insert end "$line\n" filesep
+ } else {
+ # Something else we don't recognize
+ if {$curdifftag != "Comments"} {
+ $ctext insert end "\n"
+ $ctext tag add $curdifftag $curtagstart end
+ set curtagstart [$ctext index "end - 1c"]
+ set curdifftag Comments
+ }
+ $ctext insert end "$line\n" filesep
+ }
+ }
+ $ctext conf -state disabled
+ if {[clock clicks -milliseconds] >= $nextupdate} {
+ incr nextupdate 100
+ fileevent $bdf readable {}
+ update
+ fileevent $bdf readable "getblobdiffline $bdf {$ids}"
+ }
+}
+
+proc nextfile {} {
+ global difffilestart ctext
+ set here [$ctext index @0,0]
+ for {set i 0} {[info exists difffilestart($i)]} {incr i} {
+ if {[$ctext compare $difffilestart($i) > $here]} {
+ if {![info exists pos]
+ || [$ctext compare $difffilestart($i) < $pos]} {
+ set pos $difffilestart($i)
+ }
+ }
+ }
+ if {[info exists pos]} {
+ $ctext yview $pos
+ }
+}
+
+proc listboxsel {} {
+ global ctext cflist currentid
+ if {![info exists currentid]} return
+ set sel [lsort [$cflist curselection]]
+ if {$sel eq {}} return
+ set first [lindex $sel 0]
+ catch {$ctext yview fmark.$first}
+}
+
+proc setcoords {} {
+ global linespc charspc canvx0 canvy0 mainfont
+ global xspc1 xspc2 lthickness
+
+ set linespc [font metrics $mainfont -linespace]
+ set charspc [font measure $mainfont "m"]
+ set canvy0 [expr {3 + 0.5 * $linespc}]
+ set canvx0 [expr {3 + 0.5 * $linespc}]
+ set lthickness [expr {int($linespc / 9) + 1}]
+ set xspc1(0) $linespc
+ set xspc2 $linespc
+}
+
+proc redisplay {} {
+ global stopped redisplaying phase
+ if {$stopped > 1} return
+ if {$phase == "getcommits"} return
+ set redisplaying 1
+ if {$phase == "drawgraph" || $phase == "incrdraw"} {
+ set stopped 1
+ } else {
+ drawgraph
+ }
+}
+
+proc incrfont {inc} {
+ global mainfont namefont textfont ctext canv phase
+ global stopped entries
+ unmarkmatches
+ set mainfont [lreplace $mainfont 1 1 [expr {[lindex $mainfont 1] + $inc}]]
+ set namefont [lreplace $namefont 1 1 [expr {[lindex $namefont 1] + $inc}]]
+ set textfont [lreplace $textfont 1 1 [expr {[lindex $textfont 1] + $inc}]]
+ setcoords
+ $ctext conf -font $textfont
+ $ctext tag conf filesep -font [concat $textfont bold]
+ foreach e $entries {
+ $e conf -font $mainfont
+ }
+ if {$phase == "getcommits"} {
+ $canv itemconf textitems -font $mainfont
+ }
+ redisplay
+}
+
+proc clearsha1 {} {
+ global sha1entry sha1string
+ if {[string length $sha1string] == 40} {
+ $sha1entry delete 0 end
+ }
+}
+
+proc sha1change {n1 n2 op} {
+ global sha1string currentid sha1but
+ if {$sha1string == {}
+ || ([info exists currentid] && $sha1string == $currentid)} {
+ set state disabled
+ } else {
+ set state normal
+ }
+ if {[$sha1but cget -state] == $state} return
+ if {$state == "normal"} {
+ $sha1but conf -state normal -relief raised -text "Goto: "
+ } else {
+ $sha1but conf -state disabled -relief flat -text "SHA1 ID: "
+ }
+}
+
+proc gotocommit {} {
+ global sha1string currentid idline tagids
+ global lineid numcommits
+
+ if {$sha1string == {}
+ || ([info exists currentid] && $sha1string == $currentid)} return
+ if {[info exists tagids($sha1string)]} {
+ set id $tagids($sha1string)
+ } else {
+ set id [string tolower $sha1string]
+ if {[regexp {^[0-9a-f]{4,39}$} $id]} {
+ set matches {}
+ for {set l 0} {$l < $numcommits} {incr l} {
+ if {[string match $id* $lineid($l)]} {
+ lappend matches $lineid($l)
+ }
+ }
+ if {$matches ne {}} {
+ if {[llength $matches] > 1} {
+ error_popup "Short SHA1 id $id is ambiguous"
+ return
+ }
+ set id [lindex $matches 0]
+ }
+ }
+ }
+ if {[info exists idline($id)]} {
+ selectline $idline($id) 1
+ return
+ }
+ if {[regexp {^[0-9a-fA-F]{4,}$} $sha1string]} {
+ set type "SHA1 id"
+ } else {
+ set type "Tag"
+ }
+ error_popup "$type $sha1string is not known"
+}
+
+proc lineenter {x y id} {
+ global hoverx hovery hoverid hovertimer
+ global commitinfo canv
+
+ if {![info exists commitinfo($id)]} return
+ set hoverx $x
+ set hovery $y
+ set hoverid $id
+ if {[info exists hovertimer]} {
+ after cancel $hovertimer
+ }
+ set hovertimer [after 500 linehover]
+ $canv delete hover
+}
+
+proc linemotion {x y id} {
+ global hoverx hovery hoverid hovertimer
+
+ if {[info exists hoverid] && $id == $hoverid} {
+ set hoverx $x
+ set hovery $y
+ if {[info exists hovertimer]} {
+ after cancel $hovertimer
+ }
+ set hovertimer [after 500 linehover]
+ }
+}
+
+proc lineleave {id} {
+ global hoverid hovertimer canv
+
+ if {[info exists hoverid] && $id == $hoverid} {
+ $canv delete hover
+ if {[info exists hovertimer]} {
+ after cancel $hovertimer
+ unset hovertimer
+ }
+ unset hoverid
+ }
+}
+
+proc linehover {} {
+ global hoverx hovery hoverid hovertimer
+ global canv linespc lthickness
+ global commitinfo mainfont
+
+ set text [lindex $commitinfo($hoverid) 0]
+ set ymax [lindex [$canv cget -scrollregion] 3]
+ if {$ymax == {}} return
+ set yfrac [lindex [$canv yview] 0]
+ set x [expr {$hoverx + 2 * $linespc}]
+ set y [expr {$hovery + $yfrac * $ymax - $linespc / 2}]
+ set x0 [expr {$x - 2 * $lthickness}]
+ set y0 [expr {$y - 2 * $lthickness}]
+ set x1 [expr {$x + [font measure $mainfont $text] + 2 * $lthickness}]
+ set y1 [expr {$y + $linespc + 2 * $lthickness}]
+ set t [$canv create rectangle $x0 $y0 $x1 $y1 \
+ -fill \#ffff80 -outline black -width 1 -tags hover]
+ $canv raise $t
+ set t [$canv create text $x $y -anchor nw -text $text -tags hover -font $mainfont]
+ $canv raise $t
+}
+
+proc clickisonarrow {id y} {
+ global mainline mainlinearrow sidelines lthickness
+
+ set thresh [expr {2 * $lthickness + 6}]
+ if {[info exists mainline($id)]} {
+ if {$mainlinearrow($id) ne "none"} {
+ if {abs([lindex $mainline($id) 1] - $y) < $thresh} {
+ return "up"
+ }
+ }
+ }
+ if {[info exists sidelines($id)]} {
+ foreach ls $sidelines($id) {
+ set coords [lindex $ls 0]
+ set arrow [lindex $ls 2]
+ if {$arrow eq "first" || $arrow eq "both"} {
+ if {abs([lindex $coords 1] - $y) < $thresh} {
+ return "up"
+ }
+ }
+ if {$arrow eq "last" || $arrow eq "both"} {
+ if {abs([lindex $coords end] - $y) < $thresh} {
+ return "down"
+ }
+ }
+ }
+ }
+ return {}
+}
+
+proc arrowjump {id dirn y} {
+ global mainline sidelines canv canv2 canv3
+
+ set yt {}
+ if {$dirn eq "down"} {
+ if {[info exists mainline($id)]} {
+ set y1 [lindex $mainline($id) 1]
+ if {$y1 > $y} {
+ set yt $y1
+ }
+ }
+ if {[info exists sidelines($id)]} {
+ foreach ls $sidelines($id) {
+ set y1 [lindex $ls 0 1]
+ if {$y1 > $y && ($yt eq {} || $y1 < $yt)} {
+ set yt $y1
+ }
+ }
+ }
+ } else {
+ if {[info exists sidelines($id)]} {
+ foreach ls $sidelines($id) {
+ set y1 [lindex $ls 0 end]
+ if {$y1 < $y && ($yt eq {} || $y1 > $yt)} {
+ set yt $y1
+ }
+ }
+ }
+ }
+ if {$yt eq {}} return
+ set ymax [lindex [$canv cget -scrollregion] 3]
+ if {$ymax eq {} || $ymax <= 0} return
+ set view [$canv yview]
+ set yspan [expr {[lindex $view 1] - [lindex $view 0]}]
+ set yfrac [expr {$yt / $ymax - $yspan / 2}]
+ if {$yfrac < 0} {
+ set yfrac 0
+ }
+ $canv yview moveto $yfrac
+ $canv2 yview moveto $yfrac
+ $canv3 yview moveto $yfrac
+}
+
+proc lineclick {x y id isnew} {
+ global ctext commitinfo children cflist canv thickerline
+
+ unmarkmatches
+ unselectline
+ normalline
+ $canv delete hover
+ # draw this line thicker than normal
+ drawlines $id 1 1
+ set thickerline $id
+ if {$isnew} {
+ set ymax [lindex [$canv cget -scrollregion] 3]
+ if {$ymax eq {}} return
+ set yfrac [lindex [$canv yview] 0]
+ set y [expr {$y + $yfrac * $ymax}]
+ }
+ set dirn [clickisonarrow $id $y]
+ if {$dirn ne {}} {
+ arrowjump $id $dirn $y
+ return
+ }
+
+ if {$isnew} {
+ addtohistory [list lineclick $x $y $id 0]
+ }
+ # fill the details pane with info about this line
+ $ctext conf -state normal
+ $ctext delete 0.0 end
+ $ctext tag conf link -foreground blue -underline 1
+ $ctext tag bind link <Enter> { %W configure -cursor hand2 }
+ $ctext tag bind link <Leave> { %W configure -cursor $curtextcursor }
+ $ctext insert end "Parent:\t"
+ $ctext insert end $id [list link link0]
+ $ctext tag bind link0 <1> [list selbyid $id]
+ set info $commitinfo($id)
+ $ctext insert end "\n\t[lindex $info 0]\n"
+ $ctext insert end "\tAuthor:\t[lindex $info 1]\n"
+ set date [formatdate [lindex $info 2]]
+ $ctext insert end "\tDate:\t$date\n"
+ if {[info exists children($id)]} {
+ $ctext insert end "\nChildren:"
+ set i 0
+ foreach child $children($id) {
+ incr i
+ set info $commitinfo($child)
+ $ctext insert end "\n\t"
+ $ctext insert end $child [list link link$i]
+ $ctext tag bind link$i <1> [list selbyid $child]
+ $ctext insert end "\n\t[lindex $info 0]"
+ $ctext insert end "\n\tAuthor:\t[lindex $info 1]"
+ set date [formatdate [lindex $info 2]]
+ $ctext insert end "\n\tDate:\t$date\n"
+ }
+ }
+ $ctext conf -state disabled
+
+ $cflist delete 0 end
+}
+
+proc normalline {} {
+ global thickerline
+ if {[info exists thickerline]} {
+ drawlines $thickerline 0 1
+ unset thickerline
+ }
+}
+
+proc selbyid {id} {
+ global idline
+ if {[info exists idline($id)]} {
+ selectline $idline($id) 1
+ }
+}
+
+proc mstime {} {
+ global startmstime
+ if {![info exists startmstime]} {
+ set startmstime [clock clicks -milliseconds]
+ }
+ return [format "%.3f" [expr {([clock click -milliseconds] - $startmstime) / 1000.0}]]
+}
+
+proc rowmenu {x y id} {
+ global rowctxmenu idline selectedline rowmenuid
+
+ if {![info exists selectedline] || $idline($id) eq $selectedline} {
+ set state disabled
+ } else {
+ set state normal
+ }
+ $rowctxmenu entryconfigure 0 -state $state
+ $rowctxmenu entryconfigure 1 -state $state
+ $rowctxmenu entryconfigure 2 -state $state
+ set rowmenuid $id
+ tk_popup $rowctxmenu $x $y
+}
+
+proc diffvssel {dirn} {
+ global rowmenuid selectedline lineid
+
+ if {![info exists selectedline]} return
+ if {$dirn} {
+ set oldid $lineid($selectedline)
+ set newid $rowmenuid
+ } else {
+ set oldid $rowmenuid
+ set newid $lineid($selectedline)
+ }
+ addtohistory [list doseldiff $oldid $newid]
+ doseldiff $oldid $newid
+}
+
+proc doseldiff {oldid newid} {
+ global ctext cflist
+ global commitinfo
+
+ $ctext conf -state normal
+ $ctext delete 0.0 end
+ $ctext mark set fmark.0 0.0
+ $ctext mark gravity fmark.0 left
+ $cflist delete 0 end
+ $cflist insert end "Top"
+ $ctext insert end "From "
+ $ctext tag conf link -foreground blue -underline 1
+ $ctext tag bind link <Enter> { %W configure -cursor hand2 }
+ $ctext tag bind link <Leave> { %W configure -cursor $curtextcursor }
+ $ctext tag bind link0 <1> [list selbyid $oldid]
+ $ctext insert end $oldid [list link link0]
+ $ctext insert end "\n "
+ $ctext insert end [lindex $commitinfo($oldid) 0]
+ $ctext insert end "\n\nTo "
+ $ctext tag bind link1 <1> [list selbyid $newid]
+ $ctext insert end $newid [list link link1]
+ $ctext insert end "\n "
+ $ctext insert end [lindex $commitinfo($newid) 0]
+ $ctext insert end "\n"
+ $ctext conf -state disabled
+ $ctext tag delete Comments
+ $ctext tag remove found 1.0 end
+ startdiff [list $oldid $newid]
+}
+
+proc mkpatch {} {
+ global rowmenuid currentid commitinfo patchtop patchnum
+
+ if {![info exists currentid]} return
+ set oldid $currentid
+ set oldhead [lindex $commitinfo($oldid) 0]
+ set newid $rowmenuid
+ set newhead [lindex $commitinfo($newid) 0]
+ set top .patch
+ set patchtop $top
+ catch {destroy $top}
+ toplevel $top
+ label $top.title -text "Generate patch"
+ grid $top.title - -pady 10
+ label $top.from -text "From:"
+ entry $top.fromsha1 -width 40 -relief flat
+ $top.fromsha1 insert 0 $oldid
+ $top.fromsha1 conf -state readonly
+ grid $top.from $top.fromsha1 -sticky w
+ entry $top.fromhead -width 60 -relief flat
+ $top.fromhead insert 0 $oldhead
+ $top.fromhead conf -state readonly
+ grid x $top.fromhead -sticky w
+ label $top.to -text "To:"
+ entry $top.tosha1 -width 40 -relief flat
+ $top.tosha1 insert 0 $newid
+ $top.tosha1 conf -state readonly
+ grid $top.to $top.tosha1 -sticky w
+ entry $top.tohead -width 60 -relief flat
+ $top.tohead insert 0 $newhead
+ $top.tohead conf -state readonly
+ grid x $top.tohead -sticky w
+ button $top.rev -text "Reverse" -command mkpatchrev -padx 5
+ grid $top.rev x -pady 10
+ label $top.flab -text "Output file:"
+ entry $top.fname -width 60
+ $top.fname insert 0 [file normalize "patch$patchnum.patch"]
+ incr patchnum
+ grid $top.flab $top.fname -sticky w
+ frame $top.buts
+ button $top.buts.gen -text "Generate" -command mkpatchgo
+ button $top.buts.can -text "Cancel" -command mkpatchcan
+ grid $top.buts.gen $top.buts.can
+ grid columnconfigure $top.buts 0 -weight 1 -uniform a
+ grid columnconfigure $top.buts 1 -weight 1 -uniform a
+ grid $top.buts - -pady 10 -sticky ew
+ focus $top.fname
+}
+
+proc mkpatchrev {} {
+ global patchtop
+
+ set oldid [$patchtop.fromsha1 get]
+ set oldhead [$patchtop.fromhead get]
+ set newid [$patchtop.tosha1 get]
+ set newhead [$patchtop.tohead get]
+ foreach e [list fromsha1 fromhead tosha1 tohead] \
+ v [list $newid $newhead $oldid $oldhead] {
+ $patchtop.$e conf -state normal
+ $patchtop.$e delete 0 end
+ $patchtop.$e insert 0 $v
+ $patchtop.$e conf -state readonly
+ }
+}
+
+proc mkpatchgo {} {
+ global patchtop
+
+ set oldid [$patchtop.fromsha1 get]
+ set newid [$patchtop.tosha1 get]
+ set fname [$patchtop.fname get]
+ if {[catch {exec git-diff-tree -p $oldid $newid >$fname &} err]} {
+ error_popup "Error creating patch: $err"
+ }
+ catch {destroy $patchtop}
+ unset patchtop
+}
+
+proc mkpatchcan {} {
+ global patchtop
+
+ catch {destroy $patchtop}
+ unset patchtop
+}
+
+proc mktag {} {
+ global rowmenuid mktagtop commitinfo
+
+ set top .maketag
+ set mktagtop $top
+ catch {destroy $top}
+ toplevel $top
+ label $top.title -text "Create tag"
+ grid $top.title - -pady 10
+ label $top.id -text "ID:"
+ entry $top.sha1 -width 40 -relief flat
+ $top.sha1 insert 0 $rowmenuid
+ $top.sha1 conf -state readonly
+ grid $top.id $top.sha1 -sticky w
+ entry $top.head -width 60 -relief flat
+ $top.head insert 0 [lindex $commitinfo($rowmenuid) 0]
+ $top.head conf -state readonly
+ grid x $top.head -sticky w
+ label $top.tlab -text "Tag name:"
+ entry $top.tag -width 60
+ grid $top.tlab $top.tag -sticky w
+ frame $top.buts
+ button $top.buts.gen -text "Create" -command mktaggo
+ button $top.buts.can -text "Cancel" -command mktagcan
+ grid $top.buts.gen $top.buts.can
+ grid columnconfigure $top.buts 0 -weight 1 -uniform a
+ grid columnconfigure $top.buts 1 -weight 1 -uniform a
+ grid $top.buts - -pady 10 -sticky ew
+ focus $top.tag
+}
+
+proc domktag {} {
+ global mktagtop env tagids idtags
+
+ set id [$mktagtop.sha1 get]
+ set tag [$mktagtop.tag get]
+ if {$tag == {}} {
+ error_popup "No tag name specified"
+ return
+ }
+ if {[info exists tagids($tag)]} {
+ error_popup "Tag \"$tag\" already exists"
+ return
+ }
+ if {[catch {
+ set dir [gitdir]
+ set fname [file join $dir "refs/tags" $tag]
+ set f [open $fname w]
+ puts $f $id
+ close $f
+ } err]} {
+ error_popup "Error creating tag: $err"
+ return
+ }
+
+ set tagids($tag) $id
+ lappend idtags($id) $tag
+ redrawtags $id
+}
+
+proc redrawtags {id} {
+ global canv linehtag idline idpos selectedline
+
+ if {![info exists idline($id)]} return
+ $canv delete tag.$id
+ set xt [eval drawtags $id $idpos($id)]
+ $canv coords $linehtag($idline($id)) $xt [lindex $idpos($id) 2]
+ if {[info exists selectedline] && $selectedline == $idline($id)} {
+ selectline $selectedline 0
+ }
+}
+
+proc mktagcan {} {
+ global mktagtop
+
+ catch {destroy $mktagtop}
+ unset mktagtop
+}
+
+proc mktaggo {} {
+ domktag
+ mktagcan
+}
+
+proc writecommit {} {
+ global rowmenuid wrcomtop commitinfo wrcomcmd
+
+ set top .writecommit
+ set wrcomtop $top
+ catch {destroy $top}
+ toplevel $top
+ label $top.title -text "Write commit to file"
+ grid $top.title - -pady 10
+ label $top.id -text "ID:"
+ entry $top.sha1 -width 40 -relief flat
+ $top.sha1 insert 0 $rowmenuid
+ $top.sha1 conf -state readonly
+ grid $top.id $top.sha1 -sticky w
+ entry $top.head -width 60 -relief flat
+ $top.head insert 0 [lindex $commitinfo($rowmenuid) 0]
+ $top.head conf -state readonly
+ grid x $top.head -sticky w
+ label $top.clab -text "Command:"
+ entry $top.cmd -width 60 -textvariable wrcomcmd
+ grid $top.clab $top.cmd -sticky w -pady 10
+ label $top.flab -text "Output file:"
+ entry $top.fname -width 60
+ $top.fname insert 0 [file normalize "commit-[string range $rowmenuid 0 6]"]
+ grid $top.flab $top.fname -sticky w
+ frame $top.buts
+ button $top.buts.gen -text "Write" -command wrcomgo
+ button $top.buts.can -text "Cancel" -command wrcomcan
+ grid $top.buts.gen $top.buts.can
+ grid columnconfigure $top.buts 0 -weight 1 -uniform a
+ grid columnconfigure $top.buts 1 -weight 1 -uniform a
+ grid $top.buts - -pady 10 -sticky ew
+ focus $top.fname
+}
+
+proc wrcomgo {} {
+ global wrcomtop
+
+ set id [$wrcomtop.sha1 get]
+ set cmd "echo $id | [$wrcomtop.cmd get]"
+ set fname [$wrcomtop.fname get]
+ if {[catch {exec sh -c $cmd >$fname &} err]} {
+ error_popup "Error writing commit: $err"
+ }
+ catch {destroy $wrcomtop}
+ unset wrcomtop
+}
+
+proc wrcomcan {} {
+ global wrcomtop
+
+ catch {destroy $wrcomtop}
+ unset wrcomtop
+}
+
+proc listrefs {id} {
+ global idtags idheads idotherrefs
+
+ set x {}
+ if {[info exists idtags($id)]} {
+ set x $idtags($id)
+ }
+ set y {}
+ if {[info exists idheads($id)]} {
+ set y $idheads($id)
+ }
+ set z {}
+ if {[info exists idotherrefs($id)]} {
+ set z $idotherrefs($id)
+ }
+ return [list $x $y $z]
+}
+
+proc rereadrefs {} {
+ global idtags idheads idotherrefs
+ global tagids headids otherrefids
+
+ set refids [concat [array names idtags] \
+ [array names idheads] [array names idotherrefs]]
+ foreach id $refids {
+ if {![info exists ref($id)]} {
+ set ref($id) [listrefs $id]
+ }
+ }
+ readrefs
+ set refids [lsort -unique [concat $refids [array names idtags] \
+ [array names idheads] [array names idotherrefs]]]
+ foreach id $refids {
+ set v [listrefs $id]
+ if {![info exists ref($id)] || $ref($id) != $v} {
+ redrawtags $id
+ }
+ }
+}
+
+proc showtag {tag isnew} {
+ global ctext cflist tagcontents tagids linknum
+
+ if {$isnew} {
+ addtohistory [list showtag $tag 0]
+ }
+ $ctext conf -state normal
+ $ctext delete 0.0 end
+ set linknum 0
+ if {[info exists tagcontents($tag)]} {
+ set text $tagcontents($tag)
+ } else {
+ set text "Tag: $tag\nId: $tagids($tag)"
+ }
+ appendwithlinks $text
+ $ctext conf -state disabled
+ $cflist delete 0 end
+}
+
+proc doquit {} {
+ global stopped
+ set stopped 100
+ destroy .
+}
+
+proc doprefs {} {
+ global maxwidth maxgraphpct diffopts findmergefiles
+ global oldprefs prefstop
+
+ set top .gitkprefs
+ set prefstop $top
+ if {[winfo exists $top]} {
+ raise $top
+ return
+ }
+ foreach v {maxwidth maxgraphpct diffopts findmergefiles} {
+ set oldprefs($v) [set $v]
+ }
+ toplevel $top
+ wm title $top "Gitk preferences"
+ label $top.ldisp -text "Commit list display options"
+ grid $top.ldisp - -sticky w -pady 10
+ label $top.spacer -text " "
+ label $top.maxwidthl -text "Maximum graph width (lines)" \
+ -font optionfont
+ spinbox $top.maxwidth -from 0 -to 100 -width 4 -textvariable maxwidth
+ grid $top.spacer $top.maxwidthl $top.maxwidth -sticky w
+ label $top.maxpctl -text "Maximum graph width (% of pane)" \
+ -font optionfont
+ spinbox $top.maxpct -from 1 -to 100 -width 4 -textvariable maxgraphpct
+ grid x $top.maxpctl $top.maxpct -sticky w
+ checkbutton $top.findm -variable findmergefiles
+ label $top.findml -text "Include merges for \"Find\" in \"Files\"" \
+ -font optionfont
+ grid $top.findm $top.findml - -sticky w
+ label $top.ddisp -text "Diff display options"
+ grid $top.ddisp - -sticky w -pady 10
+ label $top.diffoptl -text "Options for diff program" \
+ -font optionfont
+ entry $top.diffopt -width 20 -textvariable diffopts
+ grid x $top.diffoptl $top.diffopt -sticky w
+ frame $top.buts
+ button $top.buts.ok -text "OK" -command prefsok
+ button $top.buts.can -text "Cancel" -command prefscan
+ grid $top.buts.ok $top.buts.can
+ grid columnconfigure $top.buts 0 -weight 1 -uniform a
+ grid columnconfigure $top.buts 1 -weight 1 -uniform a
+ grid $top.buts - - -pady 10 -sticky ew
+}
+
+proc prefscan {} {
+ global maxwidth maxgraphpct diffopts findmergefiles
+ global oldprefs prefstop
+
+ foreach v {maxwidth maxgraphpct diffopts findmergefiles} {
+ set $v $oldprefs($v)
+ }
+ catch {destroy $prefstop}
+ unset prefstop
+}
+
+proc prefsok {} {
+ global maxwidth maxgraphpct
+ global oldprefs prefstop
+
+ catch {destroy $prefstop}
+ unset prefstop
+ if {$maxwidth != $oldprefs(maxwidth)
+ || $maxgraphpct != $oldprefs(maxgraphpct)} {
+ redisplay
+ }
+}
+
+proc formatdate {d} {
+ return [clock format $d -format "%Y-%m-%d %H:%M:%S"]
+}
+
+# This list of encoding names and aliases is distilled from
+# http://www.iana.org/assignments/character-sets.
+# Not all of them are supported by Tcl.
+set encoding_aliases {
+ { ANSI_X3.4-1968 iso-ir-6 ANSI_X3.4-1986 ISO_646.irv:1991 ASCII
+ ISO646-US US-ASCII us IBM367 cp367 csASCII }
+ { ISO-10646-UTF-1 csISO10646UTF1 }
+ { ISO_646.basic:1983 ref csISO646basic1983 }
+ { INVARIANT csINVARIANT }
+ { ISO_646.irv:1983 iso-ir-2 irv csISO2IntlRefVersion }
+ { BS_4730 iso-ir-4 ISO646-GB gb uk csISO4UnitedKingdom }
+ { NATS-SEFI iso-ir-8-1 csNATSSEFI }
+ { NATS-SEFI-ADD iso-ir-8-2 csNATSSEFIADD }
+ { NATS-DANO iso-ir-9-1 csNATSDANO }
+ { NATS-DANO-ADD iso-ir-9-2 csNATSDANOADD }
+ { SEN_850200_B iso-ir-10 FI ISO646-FI ISO646-SE se csISO10Swedish }
+ { SEN_850200_C iso-ir-11 ISO646-SE2 se2 csISO11SwedishForNames }
+ { KS_C_5601-1987 iso-ir-149 KS_C_5601-1989 KSC_5601 korean csKSC56011987 }
+ { ISO-2022-KR csISO2022KR }
+ { EUC-KR csEUCKR }
+ { ISO-2022-JP csISO2022JP }
+ { ISO-2022-JP-2 csISO2022JP2 }
+ { JIS_C6220-1969-jp JIS_C6220-1969 iso-ir-13 katakana x0201-7
+ csISO13JISC6220jp }
+ { JIS_C6220-1969-ro iso-ir-14 jp ISO646-JP csISO14JISC6220ro }
+ { IT iso-ir-15 ISO646-IT csISO15Italian }
+ { PT iso-ir-16 ISO646-PT csISO16Portuguese }
+ { ES iso-ir-17 ISO646-ES csISO17Spanish }
+ { greek7-old iso-ir-18 csISO18Greek7Old }
+ { latin-greek iso-ir-19 csISO19LatinGreek }
+ { DIN_66003 iso-ir-21 de ISO646-DE csISO21German }
+ { NF_Z_62-010_(1973) iso-ir-25 ISO646-FR1 csISO25French }
+ { Latin-greek-1 iso-ir-27 csISO27LatinGreek1 }
+ { ISO_5427 iso-ir-37 csISO5427Cyrillic }
+ { JIS_C6226-1978 iso-ir-42 csISO42JISC62261978 }
+ { BS_viewdata iso-ir-47 csISO47BSViewdata }
+ { INIS iso-ir-49 csISO49INIS }
+ { INIS-8 iso-ir-50 csISO50INIS8 }
+ { INIS-cyrillic iso-ir-51 csISO51INISCyrillic }
+ { ISO_5427:1981 iso-ir-54 ISO5427Cyrillic1981 }
+ { ISO_5428:1980 iso-ir-55 csISO5428Greek }
+ { GB_1988-80 iso-ir-57 cn ISO646-CN csISO57GB1988 }
+ { GB_2312-80 iso-ir-58 chinese csISO58GB231280 }
+ { NS_4551-1 iso-ir-60 ISO646-NO no csISO60DanishNorwegian
+ csISO60Norwegian1 }
+ { NS_4551-2 ISO646-NO2 iso-ir-61 no2 csISO61Norwegian2 }
+ { NF_Z_62-010 iso-ir-69 ISO646-FR fr csISO69French }
+ { videotex-suppl iso-ir-70 csISO70VideotexSupp1 }
+ { PT2 iso-ir-84 ISO646-PT2 csISO84Portuguese2 }
+ { ES2 iso-ir-85 ISO646-ES2 csISO85Spanish2 }
+ { MSZ_7795.3 iso-ir-86 ISO646-HU hu csISO86Hungarian }
+ { JIS_C6226-1983 iso-ir-87 x0208 JIS_X0208-1983 csISO87JISX0208 }
+ { greek7 iso-ir-88 csISO88Greek7 }
+ { ASMO_449 ISO_9036 arabic7 iso-ir-89 csISO89ASMO449 }
+ { iso-ir-90 csISO90 }
+ { JIS_C6229-1984-a iso-ir-91 jp-ocr-a csISO91JISC62291984a }
+ { JIS_C6229-1984-b iso-ir-92 ISO646-JP-OCR-B jp-ocr-b
+ csISO92JISC62991984b }
+ { JIS_C6229-1984-b-add iso-ir-93 jp-ocr-b-add csISO93JIS62291984badd }
+ { JIS_C6229-1984-hand iso-ir-94 jp-ocr-hand csISO94JIS62291984hand }
+ { JIS_C6229-1984-hand-add iso-ir-95 jp-ocr-hand-add
+ csISO95JIS62291984handadd }
+ { JIS_C6229-1984-kana iso-ir-96 csISO96JISC62291984kana }
+ { ISO_2033-1983 iso-ir-98 e13b csISO2033 }
+ { ANSI_X3.110-1983 iso-ir-99 CSA_T500-1983 NAPLPS csISO99NAPLPS }
+ { ISO_8859-1:1987 iso-ir-100 ISO_8859-1 ISO-8859-1 latin1 l1 IBM819
+ CP819 csISOLatin1 }
+ { ISO_8859-2:1987 iso-ir-101 ISO_8859-2 ISO-8859-2 latin2 l2 csISOLatin2 }
+ { T.61-7bit iso-ir-102 csISO102T617bit }
+ { T.61-8bit T.61 iso-ir-103 csISO103T618bit }
+ { ISO_8859-3:1988 iso-ir-109 ISO_8859-3 ISO-8859-3 latin3 l3 csISOLatin3 }
+ { ISO_8859-4:1988 iso-ir-110 ISO_8859-4 ISO-8859-4 latin4 l4 csISOLatin4 }
+ { ECMA-cyrillic iso-ir-111 KOI8-E csISO111ECMACyrillic }
+ { CSA_Z243.4-1985-1 iso-ir-121 ISO646-CA csa7-1 ca csISO121Canadian1 }
+ { CSA_Z243.4-1985-2 iso-ir-122 ISO646-CA2 csa7-2 csISO122Canadian2 }
+ { CSA_Z243.4-1985-gr iso-ir-123 csISO123CSAZ24341985gr }
+ { ISO_8859-6:1987 iso-ir-127 ISO_8859-6 ISO-8859-6 ECMA-114 ASMO-708
+ arabic csISOLatinArabic }
+ { ISO_8859-6-E csISO88596E ISO-8859-6-E }
+ { ISO_8859-6-I csISO88596I ISO-8859-6-I }
+ { ISO_8859-7:1987 iso-ir-126 ISO_8859-7 ISO-8859-7 ELOT_928 ECMA-118
+ greek greek8 csISOLatinGreek }
+ { T.101-G2 iso-ir-128 csISO128T101G2 }
+ { ISO_8859-8:1988 iso-ir-138 ISO_8859-8 ISO-8859-8 hebrew
+ csISOLatinHebrew }
+ { ISO_8859-8-E csISO88598E ISO-8859-8-E }
+ { ISO_8859-8-I csISO88598I ISO-8859-8-I }
+ { CSN_369103 iso-ir-139 csISO139CSN369103 }
+ { JUS_I.B1.002 iso-ir-141 ISO646-YU js yu csISO141JUSIB1002 }
+ { ISO_6937-2-add iso-ir-142 csISOTextComm }
+ { IEC_P27-1 iso-ir-143 csISO143IECP271 }
+ { ISO_8859-5:1988 iso-ir-144 ISO_8859-5 ISO-8859-5 cyrillic
+ csISOLatinCyrillic }
+ { JUS_I.B1.003-serb iso-ir-146 serbian csISO146Serbian }
+ { JUS_I.B1.003-mac macedonian iso-ir-147 csISO147Macedonian }
+ { ISO_8859-9:1989 iso-ir-148 ISO_8859-9 ISO-8859-9 latin5 l5 csISOLatin5 }
+ { greek-ccitt iso-ir-150 csISO150 csISO150GreekCCITT }
+ { NC_NC00-10:81 cuba iso-ir-151 ISO646-CU csISO151Cuba }
+ { ISO_6937-2-25 iso-ir-152 csISO6937Add }
+ { GOST_19768-74 ST_SEV_358-88 iso-ir-153 csISO153GOST1976874 }
+ { ISO_8859-supp iso-ir-154 latin1-2-5 csISO8859Supp }
+ { ISO_10367-box iso-ir-155 csISO10367Box }
+ { ISO-8859-10 iso-ir-157 l6 ISO_8859-10:1992 csISOLatin6 latin6 }
+ { latin-lap lap iso-ir-158 csISO158Lap }
+ { JIS_X0212-1990 x0212 iso-ir-159 csISO159JISX02121990 }
+ { DS_2089 DS2089 ISO646-DK dk csISO646Danish }
+ { us-dk csUSDK }
+ { dk-us csDKUS }
+ { JIS_X0201 X0201 csHalfWidthKatakana }
+ { KSC5636 ISO646-KR csKSC5636 }
+ { ISO-10646-UCS-2 csUnicode }
+ { ISO-10646-UCS-4 csUCS4 }
+ { DEC-MCS dec csDECMCS }
+ { hp-roman8 roman8 r8 csHPRoman8 }
+ { macintosh mac csMacintosh }
+ { IBM037 cp037 ebcdic-cp-us ebcdic-cp-ca ebcdic-cp-wt ebcdic-cp-nl
+ csIBM037 }
+ { IBM038 EBCDIC-INT cp038 csIBM038 }
+ { IBM273 CP273 csIBM273 }
+ { IBM274 EBCDIC-BE CP274 csIBM274 }
+ { IBM275 EBCDIC-BR cp275 csIBM275 }
+ { IBM277 EBCDIC-CP-DK EBCDIC-CP-NO csIBM277 }
+ { IBM278 CP278 ebcdic-cp-fi ebcdic-cp-se csIBM278 }
+ { IBM280 CP280 ebcdic-cp-it csIBM280 }
+ { IBM281 EBCDIC-JP-E cp281 csIBM281 }
+ { IBM284 CP284 ebcdic-cp-es csIBM284 }
+ { IBM285 CP285 ebcdic-cp-gb csIBM285 }
+ { IBM290 cp290 EBCDIC-JP-kana csIBM290 }
+ { IBM297 cp297 ebcdic-cp-fr csIBM297 }
+ { IBM420 cp420 ebcdic-cp-ar1 csIBM420 }
+ { IBM423 cp423 ebcdic-cp-gr csIBM423 }
+ { IBM424 cp424 ebcdic-cp-he csIBM424 }
+ { IBM437 cp437 437 csPC8CodePage437 }
+ { IBM500 CP500 ebcdic-cp-be ebcdic-cp-ch csIBM500 }
+ { IBM775 cp775 csPC775Baltic }
+ { IBM850 cp850 850 csPC850Multilingual }
+ { IBM851 cp851 851 csIBM851 }
+ { IBM852 cp852 852 csPCp852 }
+ { IBM855 cp855 855 csIBM855 }
+ { IBM857 cp857 857 csIBM857 }
+ { IBM860 cp860 860 csIBM860 }
+ { IBM861 cp861 861 cp-is csIBM861 }
+ { IBM862 cp862 862 csPC862LatinHebrew }
+ { IBM863 cp863 863 csIBM863 }
+ { IBM864 cp864 csIBM864 }
+ { IBM865 cp865 865 csIBM865 }
+ { IBM866 cp866 866 csIBM866 }
+ { IBM868 CP868 cp-ar csIBM868 }
+ { IBM869 cp869 869 cp-gr csIBM869 }
+ { IBM870 CP870 ebcdic-cp-roece ebcdic-cp-yu csIBM870 }
+ { IBM871 CP871 ebcdic-cp-is csIBM871 }
+ { IBM880 cp880 EBCDIC-Cyrillic csIBM880 }
+ { IBM891 cp891 csIBM891 }
+ { IBM903 cp903 csIBM903 }
+ { IBM904 cp904 904 csIBBM904 }
+ { IBM905 CP905 ebcdic-cp-tr csIBM905 }
+ { IBM918 CP918 ebcdic-cp-ar2 csIBM918 }
+ { IBM1026 CP1026 csIBM1026 }
+ { EBCDIC-AT-DE csIBMEBCDICATDE }
+ { EBCDIC-AT-DE-A csEBCDICATDEA }
+ { EBCDIC-CA-FR csEBCDICCAFR }
+ { EBCDIC-DK-NO csEBCDICDKNO }
+ { EBCDIC-DK-NO-A csEBCDICDKNOA }
+ { EBCDIC-FI-SE csEBCDICFISE }
+ { EBCDIC-FI-SE-A csEBCDICFISEA }
+ { EBCDIC-FR csEBCDICFR }
+ { EBCDIC-IT csEBCDICIT }
+ { EBCDIC-PT csEBCDICPT }
+ { EBCDIC-ES csEBCDICES }
+ { EBCDIC-ES-A csEBCDICESA }
+ { EBCDIC-ES-S csEBCDICESS }
+ { EBCDIC-UK csEBCDICUK }
+ { EBCDIC-US csEBCDICUS }
+ { UNKNOWN-8BIT csUnknown8BiT }
+ { MNEMONIC csMnemonic }
+ { MNEM csMnem }
+ { VISCII csVISCII }
+ { VIQR csVIQR }
+ { KOI8-R csKOI8R }
+ { IBM00858 CCSID00858 CP00858 PC-Multilingual-850+euro }
+ { IBM00924 CCSID00924 CP00924 ebcdic-Latin9--euro }
+ { IBM01140 CCSID01140 CP01140 ebcdic-us-37+euro }
+ { IBM01141 CCSID01141 CP01141 ebcdic-de-273+euro }
+ { IBM01142 CCSID01142 CP01142 ebcdic-dk-277+euro ebcdic-no-277+euro }
+ { IBM01143 CCSID01143 CP01143 ebcdic-fi-278+euro ebcdic-se-278+euro }
+ { IBM01144 CCSID01144 CP01144 ebcdic-it-280+euro }
+ { IBM01145 CCSID01145 CP01145 ebcdic-es-284+euro }
+ { IBM01146 CCSID01146 CP01146 ebcdic-gb-285+euro }
+ { IBM01147 CCSID01147 CP01147 ebcdic-fr-297+euro }
+ { IBM01148 CCSID01148 CP01148 ebcdic-international-500+euro }
+ { IBM01149 CCSID01149 CP01149 ebcdic-is-871+euro }
+ { IBM1047 IBM-1047 }
+ { PTCP154 csPTCP154 PT154 CP154 Cyrillic-Asian }
+ { Amiga-1251 Ami1251 Amiga1251 Ami-1251 }
+ { UNICODE-1-1 csUnicode11 }
+ { CESU-8 csCESU-8 }
+ { BOCU-1 csBOCU-1 }
+ { UNICODE-1-1-UTF-7 csUnicode11UTF7 }
+ { ISO-8859-14 iso-ir-199 ISO_8859-14:1998 ISO_8859-14 latin8 iso-celtic
+ l8 }
+ { ISO-8859-15 ISO_8859-15 Latin-9 }
+ { ISO-8859-16 iso-ir-226 ISO_8859-16:2001 ISO_8859-16 latin10 l10 }
+ { GBK CP936 MS936 windows-936 }
+ { JIS_Encoding csJISEncoding }
+ { Shift_JIS MS_Kanji csShiftJIS }
+ { Extended_UNIX_Code_Packed_Format_for_Japanese csEUCPkdFmtJapanese
+ EUC-JP }
+ { Extended_UNIX_Code_Fixed_Width_for_Japanese csEUCFixWidJapanese }
+ { ISO-10646-UCS-Basic csUnicodeASCII }
+ { ISO-10646-Unicode-Latin1 csUnicodeLatin1 ISO-10646 }
+ { ISO-Unicode-IBM-1261 csUnicodeIBM1261 }
+ { ISO-Unicode-IBM-1268 csUnicodeIBM1268 }
+ { ISO-Unicode-IBM-1276 csUnicodeIBM1276 }
+ { ISO-Unicode-IBM-1264 csUnicodeIBM1264 }
+ { ISO-Unicode-IBM-1265 csUnicodeIBM1265 }
+ { ISO-8859-1-Windows-3.0-Latin-1 csWindows30Latin1 }
+ { ISO-8859-1-Windows-3.1-Latin-1 csWindows31Latin1 }
+ { ISO-8859-2-Windows-Latin-2 csWindows31Latin2 }
+ { ISO-8859-9-Windows-Latin-5 csWindows31Latin5 }
+ { Adobe-Standard-Encoding csAdobeStandardEncoding }
+ { Ventura-US csVenturaUS }
+ { Ventura-International csVenturaInternational }
+ { PC8-Danish-Norwegian csPC8DanishNorwegian }
+ { PC8-Turkish csPC8Turkish }
+ { IBM-Symbols csIBMSymbols }
+ { IBM-Thai csIBMThai }
+ { HP-Legal csHPLegal }
+ { HP-Pi-font csHPPiFont }
+ { HP-Math8 csHPMath8 }
+ { Adobe-Symbol-Encoding csHPPSMath }
+ { HP-DeskTop csHPDesktop }
+ { Ventura-Math csVenturaMath }
+ { Microsoft-Publishing csMicrosoftPublishing }
+ { Windows-31J csWindows31J }
+ { GB2312 csGB2312 }
+ { Big5 csBig5 }
+}
+
+proc tcl_encoding {enc} {
+ global encoding_aliases
+ set names [encoding names]
+ set lcnames [string tolower $names]
+ set enc [string tolower $enc]
+ set i [lsearch -exact $lcnames $enc]
+ if {$i < 0} {
+ # look for "isonnn" instead of "iso-nnn" or "iso_nnn"
+ if {[regsub {^iso[-_]} $enc iso encx]} {
+ set i [lsearch -exact $lcnames $encx]
+ }
+ }
+ if {$i < 0} {
+ foreach l $encoding_aliases {
+ set ll [string tolower $l]
+ if {[lsearch -exact $ll $enc] < 0} continue
+ # look through the aliases for one that tcl knows about
+ foreach e $ll {
+ set i [lsearch -exact $lcnames $e]
+ if {$i < 0} {
+ if {[regsub {^iso[-_]} $e iso ex]} {
+ set i [lsearch -exact $lcnames $ex]
+ }
+ }
+ if {$i >= 0} break
+ }
+ break
+ }
+ }
+ if {$i >= 0} {
+ return [lindex $names $i]
+ }
+ return {}
+}
+
+# defaults...
+set datemode 0
+set diffopts "-U 5 -p"
+set wrcomcmd "git-diff-tree --stdin -p --pretty"
+
+set gitencoding {}
+catch {
+ set gitencoding [exec git-repo-config --get i18n.commitencoding]
+}
+if {$gitencoding == ""} {
+ set gitencoding "utf-8"
+}
+set tclencoding [tcl_encoding $gitencoding]
+if {$tclencoding == {}} {
+ puts stderr "Warning: encoding $gitencoding is not supported by Tcl/Tk"
+}
+
+set mainfont {Helvetica 9}
+set textfont {Courier 9}
+set findmergefiles 0
+set maxgraphpct 50
+set maxwidth 16
+set revlistorder 0
+set fastdate 0
+
+set colors {green red blue magenta darkgrey brown orange}
+
+catch {source ~/.gitk}
+
+set namefont $mainfont
+
+font create optionfont -family sans-serif -size -12
+
+set revtreeargs {}
+foreach arg $argv {
+ switch -regexp -- $arg {
+ "^$" { }
+ "^-d" { set datemode 1 }
+ "^-r" { set revlistorder 1 }
+ default {
+ lappend revtreeargs $arg
+ }
+ }
+}
+
+set history {}
+set historyindex 0
+
+set stopped 0
+set redisplaying 0
+set stuffsaved 0
+set patchnum 0
+setcoords
+makewindow $revtreeargs
+readrefs
+getcommits $revtreeargs