diff options
-rwxr-xr-x | gitk | 147 |
1 files changed, 145 insertions, 2 deletions
@@ -1088,6 +1088,8 @@ proc makewindow {} { -command {flist_hl 0} $flist_menu add command -label [mc "Highlight this only"] \ -command {flist_hl 1} + $flist_menu add command -label [mc "External diff"] \ + -command {external_diff} } # Windows sends all mouse wheel events to the current focused window, not @@ -1192,7 +1194,7 @@ proc savestuff {w} { global viewname viewfiles viewargs viewargscmd viewperm nextviewnum global cmitmode wrapcomment datetimeformat limitdiffs global colors bgcolor fgcolor diffcolors diffcontext selectbgcolor - global autoselect + global autoselect extdifftool if {$stuffsaved} return if {![winfo viewable .]} return @@ -1218,6 +1220,7 @@ proc savestuff {w} { puts $f [list set diffcolors $diffcolors] puts $f [list set diffcontext $diffcontext] puts $f [list set selectbgcolor $selectbgcolor] + puts $f [list set extdifftool $extdifftool] puts $f "set geometry(main) [wm geometry .]" puts $f "set geometry(topwidth) [winfo width .tf]" @@ -1768,6 +1771,12 @@ proc pop_flist_menu {w X Y x y} { set e [lindex $treediffs($diffids) [expr {$l-2}]] } set flist_menu_file $e + set xdiffstate "normal" + if {$cmitmode eq "tree"} { + set xdiffstate "disabled" + } + # Disable "External diff" item in tree mode + $flist_menu entryconf 2 -state $xdiffstate tk_popup $flist_menu $X $Y } @@ -1783,6 +1792,113 @@ proc flist_hl {only} { set gdttype [mc "touching paths:"] } +proc save_file_from_commit {filename output what} { + global nullfile + + if {[catch {exec git show $filename -- > $output} err]} { + if {[string match "fatal: bad revision *" $err]} { + return $nullfile + } + error_popup "Error getting \"$filename\" from $what: $err" + return {} + } + return $output +} + +proc external_diff_get_one_file {diffid filename diffdir} { + global nullid nullid2 nullfile + global gitdir + + if {$diffid == $nullid} { + set difffile [file join [file dirname $gitdir] $filename] + if {[file exists $difffile]} { + return $difffile + } + return $nullfile + } + if {$diffid == $nullid2} { + set difffile [file join $diffdir "\[index\] [file tail $filename]"] + return [save_file_from_commit :$filename $difffile index] + } + set difffile [file join $diffdir "\[$diffid\] [file tail $filename]"] + return [save_file_from_commit $diffid:$filename $difffile \ + "revision $diffid"] +} + +proc external_diff {} { + global gitktmpdir nullid nullid2 + global flist_menu_file + global diffids + global diffnum + global gitdir extdifftool + + if {[llength $diffids] == 1} { + # no reference commit given + set diffidto [lindex $diffids 0] + if {$diffidto eq $nullid} { + # diffing working copy with index + set diffidfrom $nullid2 + } elseif {$diffidto eq $nullid2} { + # diffing index with HEAD + set diffidfrom "HEAD" + } else { + # use first parent commit + global parentlist selectedline + set diffidfrom [lindex $parentlist $selectedline 0] + } + } else { + set diffidfrom [lindex $diffids 0] + set diffidto [lindex $diffids 1] + } + + # make sure that several diffs wont collide + if {![info exists gitktmpdir]} { + set gitktmpdir [file join [file dirname $gitdir] \ + [format ".gitk-tmp.%s" [pid]]] + if {[catch {file mkdir $gitktmpdir} err]} { + error_popup "Error creating temporary directory $gitktmpdir: $err" + unset gitktmpdir + return + } + set diffnum 0 + } + incr diffnum + set diffdir [file join $gitktmpdir $diffnum] + if {[catch {file mkdir $diffdir} err]} { + error_popup "Error creating temporary directory $diffdir: $err" + return + } + + # gather files to diff + set difffromfile [external_diff_get_one_file $diffidfrom $flist_menu_file $diffdir] + set difftofile [external_diff_get_one_file $diffidto $flist_menu_file $diffdir] + + if {$difffromfile ne {} && $difftofile ne {}} { + set cmd [concat | [shellsplit $extdifftool] \ + [list $difffromfile $difftofile]] + if {[catch {set fl [open $cmd r]} err]} { + file delete -force $diffdir + error_popup [mc "$extdifftool: command failed: $err"] + } else { + fconfigure $fl -blocking 0 + filerun $fl [list delete_at_eof $fl $diffdir] + } + } +} + +# delete $dir when we see eof on $f (presumably because the child has exited) +proc delete_at_eof {f dir} { + while {[gets $f line] >= 0} {} + if {[eof $f]} { + if {[catch {close $f} err]} { + error_popup "External diff viewer failed: $err" + } + file delete -force $dir + return 0 + } + return 1 +} + # Functions for adding and removing shell-type quoting proc shellquote {str} { @@ -7881,9 +7997,15 @@ proc showtag {tag isnew} { proc doquit {} { global stopped + global gitktmpdir + set stopped 100 savestuff . destroy . + + if {[info exists gitktmpdir]} { + catch {file delete -force $gitktmpdir} + } } proc mkfontdisp {font top which} { @@ -8012,7 +8134,7 @@ proc doprefs {} { global maxwidth maxgraphpct global oldprefs prefstop showneartags showlocalchanges global bgcolor fgcolor ctext diffcolors selectbgcolor - global tabstop limitdiffs autoselect + global tabstop limitdiffs autoselect extdifftool set top .gitkprefs set prefstop $top @@ -8064,6 +8186,15 @@ proc doprefs {} { pack $top.ldiff.b $top.ldiff.l -side left grid x $top.ldiff -sticky w + entry $top.extdifft -textvariable extdifftool + frame $top.extdifff + label $top.extdifff.l -text [mc "External diff tool" ] -font optionfont \ + -padx 10 + button $top.extdifff.b -text [mc "Choose..."] -font optionfont \ + -command choose_extdiff + pack $top.extdifff.l $top.extdifff.b -side left + grid x $top.extdifff $top.extdifft -sticky w + label $top.cdisp -text [mc "Colors: press to choose"] grid $top.cdisp - -sticky w -pady 10 label $top.bg -padx 40 -relief sunk -background $bgcolor @@ -8111,6 +8242,15 @@ proc doprefs {} { bind $top <Visibility> "focus $top.buts.ok" } +proc choose_extdiff {} { + global extdifftool + + set prog [tk_getOpenFile -title "External diff tool" -multiple false] + if {$prog ne {}} { + set extdifftool $prog + } +} + proc choosecolor {v vi w x cmd} { global $v @@ -8539,6 +8679,8 @@ set limitdiffs 1 set datetimeformat "%Y-%m-%d %H:%M:%S" set autoselect 1 +set extdifftool "meld" + set colors {green red blue magenta darkgrey brown orange} set bgcolor white set fgcolor black @@ -8685,6 +8827,7 @@ if {$mergeonly} { set nullid "0000000000000000000000000000000000000000" set nullid2 "0000000000000000000000000000000000000001" +set nullfile "/dev/null" set have_tk85 [expr {[package vcompare $tk_version "8.5"] >= 0}] |