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-rwxr-xr-xgitk367
1 files changed, 363 insertions, 4 deletions
diff --git a/gitk b/gitk
index 112c9c0..61af639 100755
--- a/gitk
+++ b/gitk
@@ -273,7 +273,7 @@ proc makewindow {} {
global findtype findtypemenu findloc findstring fstring geometry
global entries sha1entry sha1string sha1but
global maincursor textcursor
- global rowctxmenu gaudydiff
+ global rowctxmenu gaudydiff mergemax
menu .bar
.bar add cascade -label "File" -menu .bar.file
@@ -373,6 +373,15 @@ proc makewindow {} {
$ctext tag conf hunksep -fore blue
$ctext tag conf d0 -fore red
$ctext tag conf d1 -fore "#00a000"
+ $ctext tag conf m0 -fore red
+ $ctext tag conf m1 -fore blue
+ $ctext tag conf m2 -fore green
+ $ctext tag conf m3 -fore purple
+ $ctext tag conf m4 -fore brown
+ $ctext tag conf mmax -fore darkgrey
+ set mergemax 5
+ $ctext tag conf mresult -font [concat $textfont bold]
+ $ctext tag conf msep -font [concat $textfont bold]
$ctext tag conf found -back yellow
}
@@ -1752,7 +1761,9 @@ proc contmergediff {ids} {
}
if {![info exists treediffs($ids)]} {
set diffids $ids
- gettreediffs $ids
+ if {![info exists treepending]} {
+ gettreediffs $ids
+ }
return
}
}
@@ -1790,16 +1801,364 @@ proc contmergediff {ids} {
}
set mergefilelist($diffmergeid) $files
- showmergediff
+ if {$files ne {}} {
+ showmergediff
+ }
}
proc showmergediff {} {
- global cflist diffmergeid mergefilelist
+ global cflist diffmergeid mergefilelist parents
+ global diffopts diffinhunk currentfile diffblocked
+ global groupfilelast mergefds
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}
+ 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 offset($p) $diffoffset($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 i 0
+ set l $grouplinestart
+ while {$i < $nevents} {
+ 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
+ if {[llength $active] == $nmerge - 1} {
+ for {set pnum 0} {$pnum < $nmerge} {incr pnum} {
+ if {![info exists delta($pnum)]} {
+ if {$pnum < $mergemax} {
+ lappend ncol m$pnum
+ } else {
+ lappend ncol mmax
+ }
+ break
+ }
+ }
+ }
+ set pnum -1
+ foreach p $parents($id) {
+ incr pnum
+ if {![info exists delta($pnum)]} continue
+ set olc [expr {$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
+ }
+ }
+ for {} {$nlc > 0} {incr nlc -1} {
+ $ctext insert end "+$filelines($id,$f,$l)\n" $ncol
+ incr l
+ }
+ set i $j
+ }
+ while {$l < $grouplineend} {
+ $ctext insert end " $filelines($id,$f,$l)\n"
+ incr l
+ }
+ $ctext conf -state disabled
}
proc startdiff {ids} {