mirror of
https://github.com/git/git.git
synced 2024-11-25 19:04:18 +08:00
419 lines
11 KiB
Tcl
Executable File
419 lines
11 KiB
Tcl
Executable File
#!/bin/sh
|
|
# Tcl ignores the next line -*- tcl -*- \
|
|
exec wish "$0" -- "${1+$@}"
|
|
|
|
# Copyright (C) 2005 Paul Mackerras. All rights reserved.
|
|
# This program is free software; it may be used, copied, modified
|
|
# and distributed under the terms of the GNU General Public Licence,
|
|
# either version 2, or (at your option) any later version.
|
|
|
|
set datemode 0
|
|
set boldnames 0
|
|
set revtreeargs {}
|
|
|
|
foreach arg $argv {
|
|
switch -regexp -- $arg {
|
|
"^$" { }
|
|
"^-d" { set datemode 1 }
|
|
"^-b" { set boldnames 1 }
|
|
"^-.*" {
|
|
puts stderr "unrecognized option $arg"
|
|
exit 1
|
|
}
|
|
default {
|
|
lappend revtreeargs $arg
|
|
}
|
|
}
|
|
}
|
|
|
|
proc getcommits {rargs} {
|
|
global commits parents cdate nparents children nchildren
|
|
if {$rargs == {}} {
|
|
set rargs HEAD
|
|
}
|
|
set commits {}
|
|
foreach c [split [eval exec git-rev-tree $rargs] "\n"] {
|
|
set i 0
|
|
set cid {}
|
|
foreach f $c {
|
|
if {$i == 0} {
|
|
set d $f
|
|
} else {
|
|
set id [lindex [split $f :] 0]
|
|
if {![info exists nchildren($id)]} {
|
|
set children($id) {}
|
|
set nchildren($id) 0
|
|
}
|
|
if {$i == 1} {
|
|
set cid $id
|
|
lappend commits $id
|
|
set parents($id) {}
|
|
set cdate($id) $d
|
|
set nparents($id) 0
|
|
} else {
|
|
lappend parents($cid) $id
|
|
incr nparents($cid)
|
|
incr nchildren($id)
|
|
lappend children($id) $cid
|
|
}
|
|
}
|
|
incr i
|
|
}
|
|
}
|
|
}
|
|
|
|
proc readcommit {id} {
|
|
global commitinfo
|
|
set inhdr 1
|
|
set comment {}
|
|
set headline {}
|
|
set auname {}
|
|
set audate {}
|
|
set comname {}
|
|
set comdate {}
|
|
foreach line [split [exec git-cat-file commit $id] "\n"] {
|
|
if {$inhdr} {
|
|
if {$line == {}} {
|
|
set inhdr 0
|
|
} else {
|
|
set tag [lindex $line 0]
|
|
if {$tag == "author"} {
|
|
set x [expr {[llength $line] - 2}]
|
|
set audate [lindex $line $x]
|
|
set auname [lrange $line 1 [expr {$x - 1}]]
|
|
} elseif {$tag == "committer"} {
|
|
set x [expr {[llength $line] - 2}]
|
|
set comdate [lindex $line $x]
|
|
set comname [lrange $line 1 [expr {$x - 1}]]
|
|
}
|
|
}
|
|
} else {
|
|
if {$comment == {}} {
|
|
set headline $line
|
|
} else {
|
|
append comment "\n"
|
|
}
|
|
append comment $line
|
|
}
|
|
}
|
|
if {$audate != {}} {
|
|
set audate [clock format $audate -format "%Y-%m-%d %H:%M:%S"]
|
|
}
|
|
if {$comdate != {}} {
|
|
set comdate [clock format $comdate -format "%Y-%m-%d %H:%M:%S"]
|
|
}
|
|
set commitinfo($id) [list $comment $auname $audate $comname $comdate]
|
|
return [list $headline $auname $audate]
|
|
}
|
|
|
|
proc makewindow {} {
|
|
global canv linespc charspc ctext
|
|
frame .clist
|
|
set canv .clist.canv
|
|
canvas $canv -height [expr 30 * $linespc + 4] -width [expr 90 * $charspc] \
|
|
-bg white -relief sunk -bd 1 \
|
|
-yscrollincr $linespc -yscrollcommand ".clist.csb set"
|
|
scrollbar .clist.csb -command "$canv yview" -highlightthickness 0
|
|
pack .clist.csb -side right -fill y
|
|
pack $canv -side bottom -fill both -expand 1
|
|
pack .clist -side top -fill both -expand 1
|
|
set ctext .ctext
|
|
text $ctext -bg white
|
|
pack $ctext -side top -fill x -expand 1
|
|
|
|
bind $canv <1> {selcanvline %x %y}
|
|
bind $canv <B1-Motion> {selcanvline %x %y}
|
|
bind $canv <ButtonRelease-4> "$canv yview scroll -5 u"
|
|
bind $canv <ButtonRelease-5> "$canv yview scroll 5 u"
|
|
bind $canv <2> "$canv scan mark 0 %y"
|
|
bind $canv <B2-Motion> "$canv scan dragto 0 %y"
|
|
bind . <Key-Prior> "$canv yview scroll -1 p"
|
|
bind . <Key-Next> "$canv yview scroll 1 p"
|
|
bind . <Key-Delete> "$canv yview scroll -1 p"
|
|
bind . <Key-BackSpace> "$canv yview scroll -1 p"
|
|
bind . <Key-space> "$canv yview scroll 1 p"
|
|
bind . <Key-Up> "$canv yview scroll -1 u"
|
|
bind . <Key-Down> "$canv yview scroll 1 u"
|
|
bind . Q "set stopped 1; destroy ."
|
|
}
|
|
|
|
proc truncatetofit {str width font} {
|
|
if {[font measure $font $str] <= $width} {
|
|
return $str
|
|
}
|
|
set best 0
|
|
set bad [string length $str]
|
|
set tmp $str
|
|
while {$best < $bad - 1} {
|
|
set try [expr {int(($best + $bad) / 2)}]
|
|
set tmp "[string range $str 0 [expr $try-1]]..."
|
|
if {[font measure $font $tmp] <= $width} {
|
|
set best $try
|
|
} else {
|
|
set bad $try
|
|
}
|
|
}
|
|
return $tmp
|
|
}
|
|
|
|
proc drawgraph {start} {
|
|
global parents children nparents nchildren commits
|
|
global canv mainfont namefont canvx0 canvy0 linespc namex datex
|
|
global datemode cdate
|
|
global lineid linehtag linentag linedtag
|
|
|
|
set colors {green red blue magenta darkgrey brown orange}
|
|
set ncolors [llength $colors]
|
|
set nextcolor 0
|
|
set colormap($start) [lindex $colors 0]
|
|
foreach id $commits {
|
|
set ncleft($id) $nchildren($id)
|
|
}
|
|
set todo [list $start]
|
|
set level 0
|
|
set canvy $canvy0
|
|
set linestarty(0) $canvy
|
|
set nullentry -1
|
|
set lineno -1
|
|
while 1 {
|
|
incr lineno
|
|
set nlines [llength $todo]
|
|
set id [lindex $todo $level]
|
|
set lineid($lineno) $id
|
|
foreach p $parents($id) {
|
|
incr ncleft($p) -1
|
|
}
|
|
set cinfo [readcommit $id]
|
|
set x [expr $canvx0 + $level * $linespc]
|
|
set y2 [expr $canvy + $linespc]
|
|
if {$linestarty($level) < $canvy} {
|
|
set t [$canv create line $x $linestarty($level) $x $canvy \
|
|
-width 2 -fill $colormap($id)]
|
|
$canv lower $t
|
|
set linestarty($level) $canvy
|
|
}
|
|
set t [$canv create oval [expr $x - 4] [expr $canvy - 4] \
|
|
[expr $x + 3] [expr $canvy + 3] \
|
|
-fill blue -outline black -width 1]
|
|
$canv raise $t
|
|
set xt [expr $canvx0 + $nlines * $linespc]
|
|
set headline [lindex $cinfo 0]
|
|
set name [lindex $cinfo 1]
|
|
set date [lindex $cinfo 2]
|
|
set headline [truncatetofit $headline [expr $namex-$xt-$linespc] \
|
|
$mainfont]
|
|
set linehtag($lineno) [$canv create text $xt $canvy -anchor w \
|
|
-text $headline -font $mainfont ]
|
|
set name [truncatetofit $name [expr $datex-$namex-$linespc] $namefont]
|
|
set linentag($lineno) [$canv create text $namex $canvy -anchor w \
|
|
-text $name -font $namefont]
|
|
set linedtag($lineno) [$canv create text $datex $canvy -anchor w \
|
|
-text $date -font $mainfont]
|
|
if {!$datemode && $nparents($id) == 1} {
|
|
set p [lindex $parents($id) 0]
|
|
if {$ncleft($p) == 0 && [lsearch -exact $todo $p] < 0} {
|
|
set todo [lreplace $todo $level $level $p]
|
|
set colormap($p) $colormap($id)
|
|
set canvy $y2
|
|
$canv conf -scrollregion [list 0 0 0 $canvy]
|
|
update
|
|
continue
|
|
}
|
|
}
|
|
|
|
set oldtodo $todo
|
|
set oldlevel $level
|
|
set lines {}
|
|
for {set i 0} {$i < $nlines} {incr i} {
|
|
if {[lindex $todo $i] == {}} continue
|
|
set oldstarty($i) $linestarty($i)
|
|
if {$i != $level} {
|
|
lappend lines [list $i [lindex $todo $i]]
|
|
}
|
|
}
|
|
unset linestarty
|
|
if {$nullentry >= 0} {
|
|
set todo [lreplace $todo $nullentry $nullentry]
|
|
if {$nullentry < $level} {
|
|
incr level -1
|
|
}
|
|
}
|
|
|
|
set badcolors [list $colormap($id)]
|
|
foreach p $parents($id) {
|
|
if {[info exists colormap($p)]} {
|
|
lappend badcolors $colormap($p)
|
|
}
|
|
}
|
|
set todo [lreplace $todo $level $level]
|
|
if {$nullentry > $level} {
|
|
incr nullentry -1
|
|
}
|
|
set i $level
|
|
foreach p $parents($id) {
|
|
set k [lsearch -exact $todo $p]
|
|
if {$k < 0} {
|
|
set todo [linsert $todo $i $p]
|
|
if {$nullentry >= $i} {
|
|
incr nullentry
|
|
}
|
|
if {$nparents($id) == 1 && $nparents($p) == 1
|
|
&& $nchildren($p) == 1} {
|
|
set colormap($p) $colormap($id)
|
|
} else {
|
|
for {set j 0} {$j <= $ncolors} {incr j} {
|
|
if {[incr nextcolor] >= $ncolors} {
|
|
set nextcolor 0
|
|
}
|
|
set c [lindex $colors $nextcolor]
|
|
# make sure the incoming and outgoing colors differ
|
|
if {[lsearch -exact $badcolors $c] < 0} break
|
|
}
|
|
set colormap($p) $c
|
|
lappend badcolors $c
|
|
}
|
|
}
|
|
lappend lines [list $oldlevel $p]
|
|
}
|
|
|
|
# choose which one to do next time around
|
|
set todol [llength $todo]
|
|
set level -1
|
|
set latest {}
|
|
for {set k $todol} {[incr k -1] >= 0} {} {
|
|
set p [lindex $todo $k]
|
|
if {$p == {}} continue
|
|
if {$ncleft($p) == 0} {
|
|
if {$datemode} {
|
|
if {$latest == {} || $cdate($p) > $latest} {
|
|
set level $k
|
|
set latest $cdate($p)
|
|
}
|
|
} else {
|
|
set level $k
|
|
break
|
|
}
|
|
}
|
|
}
|
|
if {$level < 0} {
|
|
if {$todo != {}} {
|
|
puts "ERROR: none of the pending commits can be done yet:"
|
|
foreach p $todo {
|
|
puts " $p"
|
|
}
|
|
}
|
|
break
|
|
}
|
|
|
|
# If we are reducing, put in a null entry
|
|
if {$todol < $nlines} {
|
|
if {$nullentry >= 0} {
|
|
set i $nullentry
|
|
while {$i < $todol
|
|
&& [lindex $oldtodo $i] == [lindex $todo $i]} {
|
|
incr i
|
|
}
|
|
} else {
|
|
set i $oldlevel
|
|
if {$level >= $i} {
|
|
incr i
|
|
}
|
|
}
|
|
if {$i >= $todol} {
|
|
set nullentry -1
|
|
} else {
|
|
set nullentry $i
|
|
set todo [linsert $todo $nullentry {}]
|
|
if {$level >= $i} {
|
|
incr level
|
|
}
|
|
}
|
|
} else {
|
|
set nullentry -1
|
|
}
|
|
|
|
foreach l $lines {
|
|
set i [lindex $l 0]
|
|
set dst [lindex $l 1]
|
|
set j [lsearch -exact $todo $dst]
|
|
if {$i == $j} {
|
|
set linestarty($i) $oldstarty($i)
|
|
continue
|
|
}
|
|
set xi [expr {$canvx0 + $i * $linespc}]
|
|
set xj [expr {$canvx0 + $j * $linespc}]
|
|
set coords {}
|
|
if {$oldstarty($i) < $canvy} {
|
|
lappend coords $xi $oldstarty($i)
|
|
}
|
|
lappend coords $xi $canvy
|
|
if {$j < $i - 1} {
|
|
lappend coords [expr $xj + $linespc] $canvy
|
|
} elseif {$j > $i + 1} {
|
|
lappend coords [expr $xj - $linespc] $canvy
|
|
}
|
|
lappend coords $xj $y2
|
|
set t [$canv create line $coords -width 2 -fill $colormap($dst)]
|
|
$canv lower $t
|
|
if {![info exists linestarty($j)]} {
|
|
set linestarty($j) $y2
|
|
}
|
|
}
|
|
set canvy $y2
|
|
$canv conf -scrollregion [list 0 0 0 $canvy]
|
|
update
|
|
}
|
|
}
|
|
|
|
proc selcanvline {x y} {
|
|
global canv canvy0 ctext linespc selectedline
|
|
global lineid linehtag linentag linedtag commitinfo
|
|
set ymax [lindex [$canv cget -scrollregion] 3]
|
|
set yfrac [lindex [$canv yview] 0]
|
|
set y [expr {$y + $yfrac * $ymax}]
|
|
set l [expr {int(($y - $canvy0) / $linespc + 0.5)}]
|
|
if {$l < 0} {
|
|
set l 0
|
|
}
|
|
if {[info exists selectedline] && $selectedline == $l} return
|
|
if {![info exists lineid($l)] || ![info exists linehtag($l)]} return
|
|
$canv select clear
|
|
$canv select from $linehtag($l) 0
|
|
$canv select to $linehtag($l) end
|
|
set id $lineid($l)
|
|
$ctext delete 0.0 end
|
|
set info $commitinfo($id)
|
|
$ctext insert end "Author: [lindex $info 1] \t[lindex $info 2]\n"
|
|
$ctext insert end "Committer: [lindex $info 3] \t[lindex $info 4]\n"
|
|
$ctext insert end "\n"
|
|
$ctext insert end [lindex $info 0]
|
|
}
|
|
|
|
getcommits $revtreeargs
|
|
|
|
set mainfont {Helvetica 9}
|
|
set namefont $mainfont
|
|
if {$boldnames} {
|
|
lappend namefont bold
|
|
}
|
|
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 namex [expr 45 * $charspc]
|
|
set datex [expr 75 * $charspc]
|
|
|
|
makewindow
|
|
|
|
set start {}
|
|
foreach id $commits {
|
|
if {$nchildren($id) == 0} {
|
|
set start $id
|
|
break
|
|
}
|
|
}
|
|
if {$start != {}} {
|
|
drawgraph $start
|
|
}
|