git-gui: Fix 'Select All' action on Windows.
[gitweb.git] / git-gui.sh
index db6d014e6660270b2c2f48d68477e0e841a09c71..bbf57b96a0632ab43722b5f3d6b9e4752dafae6e 100755 (executable)
@@ -335,7 +335,7 @@ proc PARENT {} {
        return $empty_tree
 }
 
-proc rescan {after} {
+proc rescan {after {honor_trustmtime 1}} {
        global HEAD PARENT MERGE_HEAD commit_type
        global ui_index ui_workdir ui_status_value ui_comm
        global rescan_active file_states
@@ -366,7 +366,7 @@ proc rescan {after} {
                $ui_comm edit modified false
        }
 
-       if {$repo_config(gui.trustmtime) eq {true}} {
+       if {$honor_trustmtime && $repo_config(gui.trustmtime) eq {true}} {
                rescan_stage2 {} $after
        } else {
                set rescan_active 1
@@ -524,24 +524,6 @@ proc rescan_done {fd buf after} {
        prune_selection
        unlock_index
        display_all_files
-
-       if {$repo_config(gui.partialinclude) ne {true}} {
-               set pathList [list]
-               foreach path [array names file_states] {
-                       switch -- [lindex $file_states($path) 0] {
-                       A? -
-                       M? {lappend pathList $path}
-                       }
-               }
-               if {$pathList ne {}} {
-                       update_index \
-                               "Updating included files" \
-                               $pathList \
-                               [concat {reshow_diff;} $after]
-                       return
-               }
-       }
-
        reshow_diff
        uplevel #0 $after
 }
@@ -561,33 +543,37 @@ proc prune_selection {} {
 ## diff
 
 proc clear_diff {} {
-       global ui_diff current_diff ui_index ui_workdir
+       global ui_diff current_diff_path ui_index ui_workdir
 
        $ui_diff conf -state normal
        $ui_diff delete 0.0 end
        $ui_diff conf -state disabled
 
-       set current_diff {}
+       set current_diff_path {}
 
        $ui_index tag remove in_diff 0.0 end
        $ui_workdir tag remove in_diff 0.0 end
 }
 
 proc reshow_diff {} {
-       global current_diff ui_status_value file_states
-
-       if {$current_diff eq {}
-               || [catch {set s $file_states($current_diff)}]} {
+       global ui_status_value file_states file_lists
+       global current_diff_path current_diff_side
+
+       set p $current_diff_path
+       if {$p eq {}
+               || $current_diff_side eq {}
+               || [catch {set s $file_states($p)}]
+               || [lsearch -sorted $file_lists($current_diff_side) $p] == -1} {
                clear_diff
        } else {
-               show_diff $current_diff
+               show_diff $p $current_diff_side
        }
 }
 
 proc handle_empty_diff {} {
-       global current_diff file_states file_lists
+       global current_diff_path file_states file_lists
 
-       set path $current_diff
+       set path $current_diff_path
        set s $file_states($path)
        if {[lindex $s 0] ne {_M}} return
 
@@ -600,23 +586,18 @@ by another application and you currently have
 the Trust File Modification Timestamps option
 enabled, so Git did not automatically detect
 that there are no content differences in this
-file.
-
-This file will now be removed from the modified
-files list, to prevent possible confusion.
-"
-       if {[catch {exec git update-index -- $path} err]} {
-               error_popup "Failed to refresh index:\n\n$err"
-       }
+file."
 
        clear_diff
        display_file $path __
+       rescan {set ui_status_value {Ready.}} 0
 }
 
-proc show_diff {path {w {}} {lno {}}} {
+proc show_diff {path w {lno {}}} {
        global file_states file_lists
        global is_3way_diff diff_active repo_config
-       global ui_diff current_diff ui_status_value
+       global ui_diff ui_status_value ui_index ui_workdir
+       global current_diff_path current_diff_side
 
        if {$diff_active || ![lock_index read]} return
 
@@ -638,21 +619,13 @@ proc show_diff {path {w {}} {lno {}}} {
        set m [lindex $s 0]
        set is_3way_diff 0
        set diff_active 1
-       set current_diff $path
+       set current_diff_path $path
+       set current_diff_side $w
        set ui_status_value "Loading diff of [escape_path $path]..."
 
-       set cmd [list | git diff-index]
-       lappend cmd --no-color
-       if {$repo_config(gui.diffcontext) > 0} {
-               lappend cmd "-U$repo_config(gui.diffcontext)"
-       }
-       lappend cmd -p
-
-       switch $m {
-       MM {
-               lappend cmd -c
-       }
-       _O {
+       # - Git won't give us the diff, there's nothing to compare to!
+       #
+       if {$m eq {_O}} {
                if {[catch {
                                set fd [open $path r]
                                set content [read $fd]
@@ -672,9 +645,27 @@ proc show_diff {path {w {}} {lno {}}} {
                set ui_status_value {Ready.}
                return
        }
+
+       set cmd [list | git]
+       if {$w eq $ui_index} {
+               lappend cmd diff-index
+               lappend cmd --cached
+       } elseif {$w eq $ui_workdir} {
+               if {[string index $m 0] eq {U}} {
+                       lappend cmd diff
+               } else {
+                       lappend cmd diff-files
+               }
        }
 
-       lappend cmd [PARENT]
+       lappend cmd -p
+       lappend cmd --no-color
+       if {$repo_config(gui.diffcontext) > 0} {
+               lappend cmd "-U$repo_config(gui.diffcontext)"
+       }
+       if {$w eq $ui_index} {
+               lappend cmd [PARENT]
+       }
        lappend cmd --
        lappend cmd $path
 
@@ -699,6 +690,7 @@ proc read_diff {fd} {
                # -- Cleanup uninteresting diff header lines.
                #
                if {[string match {diff --git *}      $line]} continue
+               if {[string match {diff --cc *}       $line]} continue
                if {[string match {diff --combined *} $line]} continue
                if {[string match {--- *}             $line]} continue
                if {[string match {+++ *}             $line]} continue
@@ -710,27 +702,53 @@ proc read_diff {fd} {
                #
                if {[string match {@@@ *} $line]} {set is_3way_diff 1}
 
-               # -- Reformat a 3 way diff, 'cause its too weird.
-               #
-               if {$is_3way_diff} {
+               if {[string match {index *} $line]
+                       || [string match {mode *} $line]
+                       || [string match {new file *} $line]
+                       || [string match {deleted file *} $line]
+                       || [regexp {^\* Unmerged path } $line]} {
+                       set tags {}
+               } elseif {$is_3way_diff} {
                        set op [string range $line 0 1]
                        switch -- $op {
+                       {  } {set tags {}}
                        {@@} {set tags d_@}
-                       {++} {set tags d_+ ; set op { +}}
-                       {--} {set tags d_- ; set op { -}}
-                       { +} {set tags d_++; set op {++}}
-                       { -} {set tags d_--; set op {--}}
-                       {+ } {set tags d_-+; set op {-+}}
-                       {- } {set tags d_+-; set op {+-}}
-                       default {set tags {}}
+                       { +} {set tags d_s+}
+                       { -} {set tags d_s-}
+                       {+ } {set tags d_+s}
+                       {- } {set tags d_-s}
+                       {--} {set tags d_--}
+                       {++} {
+                               if {[regexp {^\+\+([<>]{7} |={7})} $line _g op]} {
+                                       set line [string replace $line 0 1 {  }]
+                                       set tags d$op
+                               } else {
+                                       set tags d_++
+                               }
+                       }
+                       default {
+                               puts "error: Unhandled 3 way diff marker: {$op}"
+                               set tags {}
+                       }
                        }
-                       set line [string replace $line 0 1 $op]
                } else {
-                       switch -- [string index $line 0] {
-                       @ {set tags d_@}
-                       + {set tags d_+}
-                       - {set tags d_-}
-                       default {set tags {}}
+                       set op [string index $line 0]
+                       switch -- $op {
+                       { } {set tags {}}
+                       {@} {set tags d_@}
+                       {-} {set tags d_-}
+                       {+} {
+                               if {[regexp {^\+([<>]{7} |={7})} $line _g op]} {
+                                       set line [string replace $line 0 0 { }]
+                                       set tags d$op
+                               } else {
+                                       set tags d_+
+                               }
+                       }
+                       default {
+                               puts "error: Unhandled 2 way diff marker: {$op}"
+                               set tags {}
+                       }
                        }
                }
                $ui_diff insert end $line $tags
@@ -843,6 +861,7 @@ proc committer_ident {} {
 
 proc commit_tree {} {
        global HEAD commit_type file_states ui_comm repo_config
+       global ui_status_value pch_error
 
        if {![lock_index update]} return
        if {[committer_ident] eq {}} return
@@ -875,12 +894,12 @@ The rescan will be automatically started now.
                _? {continue}
                A? -
                D? -
-               M? {set files_ready 1; break}
+               M? {set files_ready 1}
                U? {
                        error_popup "Unmerged files cannot be committed.
 
 File [short_path $path] has merge conflicts.
-You must resolve them and include the file before committing.
+You must resolve them and add the file before committing.
 "
                        unlock_index
                        return
@@ -894,9 +913,9 @@ File [short_path $path] cannot be committed by this program.
                }
        }
        if {!$files_ready} {
-               error_popup {No included files to commit.
+               info_popup {No changes to commit.
 
-You must include at least 1 file before you can commit.
+You must add at least 1 file before you can commit.
 }
                unlock_index
                return
@@ -918,33 +937,8 @@ A good commit message has the following format:
                return
        }
 
-       # -- Update included files if partialincludes are off.
+       # -- Run the pre-commit hook.
        #
-       if {$repo_config(gui.partialinclude) ne {true}} {
-               set pathList [list]
-               foreach path [array names file_states] {
-                       switch -glob -- [lindex $file_states($path) 0] {
-                       A? -
-                       M? {lappend pathList $path}
-                       }
-               }
-               if {$pathList ne {}} {
-                       unlock_index
-                       update_index \
-                               "Updating included files" \
-                               $pathList \
-                               [concat {lock_index update;} \
-                                       [list commit_prehook $curHEAD $msg]]
-                       return
-               }
-       }
-
-       commit_prehook $curHEAD $msg
-}
-
-proc commit_prehook {curHEAD msg} {
-       global ui_status_value pch_error
-
        set pchook [gitdir hooks pre-commit]
 
        # On Cygwin [file executable] might lie so we need to ask
@@ -1000,7 +994,7 @@ proc commit_writetree {curHEAD msg} {
 
 proc commit_committree {fd_wt curHEAD msg} {
        global HEAD PARENT MERGE_HEAD commit_type
-       global single_commit
+       global single_commit all_heads current_branch
        global ui_status_value ui_comm selected_commit_type
        global file_states selected_paths rescan_active
 
@@ -1052,6 +1046,14 @@ proc commit_committree {fd_wt curHEAD msg} {
                return
        }
 
+       # -- Make sure our current branch exists.
+       #
+       if {$commit_type eq {initial}} {
+               lappend all_heads $current_branch
+               set all_heads [lsort -unique $all_heads]
+               populate_branch_menu
+       }
+
        # -- Cleanup after ourselves.
        #
        catch {file delete [gitdir MERGE_HEAD]}
@@ -1327,12 +1329,27 @@ proc display_file {path state} {
        set new_m [lindex $s 0]
        set icon_name [lindex $s 1]
 
-       display_file_helper     $ui_index $path $icon_name \
-               [string index $old_m 0] \
-               [string index $new_m 0]
-       display_file_helper     $ui_workdir $path $icon_name \
-               [string index $old_m 1] \
-               [string index $new_m 1]
+       set o [string index $old_m 0]
+       set n [string index $new_m 0]
+       if {$o eq {U}} {
+               set o _
+       }
+       if {$n eq {U}} {
+               set n _
+       }
+       display_file_helper     $ui_index $path $icon_name $o $n
+
+       if {[string index $old_m 0] eq {U}} {
+               set o U
+       } else {
+               set o [string index $old_m 1]
+       }
+       if {[string index $new_m 0] eq {U}} {
+               set n U
+       } else {
+               set n [string index $new_m 1]
+       }
+       display_file_helper     $ui_workdir $path $icon_name $o $n
 
        if {$new_m eq {__}} {
                unset file_states($path)
@@ -1372,13 +1389,20 @@ proc display_all_files {} {
                set m [lindex $s 0]
                set icon_name [lindex $s 1]
 
-               if {[string index $m 0] ne {_}} {
+               set s [string index $m 0]
+               if {$s ne {U} && $s ne {_}} {
                        display_all_files_helper $ui_index $path \
-                               $icon_name [string index $m 0]
+                               $icon_name $s
                }
-               if {[string index $m 1] ne {_}} {
+
+               if {[string index $m 0] eq {U}} {
+                       set s U
+               } else {
+                       set s [string index $m 1]
+               }
+               if {$s ne {_}} {
                        display_all_files_helper $ui_workdir $path \
-                               $icon_name [string index $m 1]
+                               $icon_name $s
                }
        }
 
@@ -1421,7 +1445,7 @@ proc update_indexinfo {msg pathList after} {
 
 proc write_update_indexinfo {fd pathList totalCnt batch msg after} {
        global update_index_cp ui_status_value
-       global file_states current_diff
+       global file_states current_diff_path
 
        if {$update_index_cp >= $totalCnt} {
                close $fd
@@ -1493,7 +1517,7 @@ proc update_index {msg pathList after} {
 
 proc write_update_index {fd pathList totalCnt batch msg after} {
        global update_index_cp ui_status_value
-       global file_states current_diff
+       global file_states current_diff_path
 
        if {$update_index_cp >= $totalCnt} {
                close $fd
@@ -1513,7 +1537,13 @@ proc write_update_index {fd pathList totalCnt batch msg after} {
                ?D {set new D_}
                _O -
                AM {set new A_}
-               U_ -
+               U? {
+                       if {[file exists $path]} {
+                               set new M_
+                       } else {
+                               set new D_
+                       }
+               }
                ?M {set new M_}
                ?? {continue}
                }
@@ -1569,7 +1599,7 @@ proc checkout_index {msg pathList after} {
 
 proc write_checkout_index {fd pathList totalCnt batch msg after} {
        global update_index_cp ui_status_value
-       global file_states current_diff
+       global file_states current_diff_path
 
        if {$update_index_cp >= $totalCnt} {
                close $fd
@@ -1604,16 +1634,27 @@ proc write_checkout_index {fd pathList totalCnt batch msg after} {
 ##
 ## branch management
 
+proc is_tracking_branch {name} {
+       global tracking_branches
+
+       if {![catch {set info $tracking_branches($name)}]} {
+               return 1
+       }
+       foreach t [array names tracking_branches] {
+               if {[string match {*/\*} $t] && [string match $t $name]} {
+                       return 1
+               }
+       }
+       return 0
+}
+
 proc load_all_heads {} {
-       global all_heads tracking_branches
+       global all_heads
 
        set all_heads [list]
-       set cmd [list git for-each-ref]
-       lappend cmd --format=%(refname)
-       lappend cmd refs/heads
-       set fd [open "| $cmd" r]
+       set fd [open "| git for-each-ref --format=%(refname) refs/heads" r]
        while {[gets $fd line] > 0} {
-               if {![catch {set info $tracking_branches($line)}]} continue
+               if {[is_tracking_branch $line]} continue
                if {![regsub ^refs/heads/ $line {} name]} continue
                lappend all_heads $name
        }
@@ -1654,11 +1695,49 @@ proc populate_branch_menu {} {
        }
 }
 
+proc all_tracking_branches {} {
+       global tracking_branches
+
+       set all_trackings {}
+       set cmd {}
+       foreach name [array names tracking_branches] {
+               if {[regsub {/\*$} $name {} name]} {
+                       lappend cmd $name
+               } else {
+                       regsub ^refs/(heads|remotes)/ $name {} name
+                       lappend all_trackings $name
+               }
+       }
+
+       if {$cmd ne {}} {
+               set fd [open "| git for-each-ref --format=%(refname) $cmd" r]
+               while {[gets $fd name] > 0} {
+                       regsub ^refs/(heads|remotes)/ $name {} name
+                       lappend all_trackings $name
+               }
+               close $fd
+       }
+
+       return [lsort -unique $all_trackings]
+}
+
 proc do_create_branch_action {w} {
-       global all_heads null_sha1
-       global create_branch_checkout create_branch_revtype create_branch_head
+       global all_heads null_sha1 repo_config
+       global create_branch_checkout create_branch_revtype
+       global create_branch_head create_branch_trackinghead
 
-       set newbranch [string trim [$w.name.t get 0.0 end]]
+       set newbranch [string trim [$w.desc.name_t get 0.0 end]]
+       if {$newbranch eq {}
+               || $newbranch eq $repo_config(gui.newbranchtemplate)} {
+               tk_messageBox \
+                       -icon error \
+                       -type ok \
+                       -title [wm title $w] \
+                       -parent $w \
+                       -message "Please supply a branch name."
+               focus $w.desc.name_t
+               return
+       }
        if {![catch {exec git show-ref --verify -- "refs/heads/$newbranch"}]} {
                tk_messageBox \
                        -icon error \
@@ -1666,7 +1745,7 @@ proc do_create_branch_action {w} {
                        -title [wm title $w] \
                        -parent $w \
                        -message "Branch '$newbranch' already exists."
-               focus $w.name.t
+               focus $w.desc.name_t
                return
        }
        if {[catch {exec git check-ref-format "heads/$newbranch"}]} {
@@ -1676,14 +1755,15 @@ proc do_create_branch_action {w} {
                        -title [wm title $w] \
                        -parent $w \
                        -message "We do not like '$newbranch' as a branch name."
-               focus $w.name.t
+               focus $w.desc.name_t
                return
        }
 
        set rev {}
        switch -- $create_branch_revtype {
        head {set rev $create_branch_head}
-       expression {set rev [string trim [$w.from.exp.t get 0.0 end]]}
+       tracking {set rev $create_branch_trackinghead}
+       expression {set rev [string trim [$w.from.exp_t get 0.0 end]]}
        }
        if {[catch {set cmt [exec git rev-parse --verify "${rev}^0"]}]} {
                tk_messageBox \
@@ -1713,17 +1793,31 @@ proc do_create_branch_action {w} {
        lappend all_heads $newbranch
        set all_heads [lsort $all_heads]
        populate_branch_menu
-
        destroy $w
+       if {$create_branch_checkout} {
+               switch_branch $newbranch
+       }
 }
 
-proc do_create_branch {} {
-       global all_heads current_branch
-       global create_branch_checkout create_branch_revtype create_branch_head
+proc radio_selector {varname value args} {
+       upvar #0 $varname var
+       set var $value
+}
 
-       set create_branch_checkout true
-       set create_branch_revtype head
-       set create_branch_head $current_branch
+trace add variable create_branch_head write \
+       [list radio_selector create_branch_revtype head]
+trace add variable create_branch_trackinghead write \
+       [list radio_selector create_branch_revtype tracking]
+
+trace add variable delete_branch_head write \
+       [list radio_selector delete_branch_checktype head]
+trace add variable delete_branch_trackinghead write \
+       [list radio_selector delete_branch_checktype tracking]
+
+proc do_create_branch {} {
+       global all_heads current_branch repo_config
+       global create_branch_checkout create_branch_revtype
+       global create_branch_head create_branch_trackinghead
 
        set w .branch_editor
        toplevel $w
@@ -1745,18 +1839,22 @@ proc do_create_branch {} {
        pack $w.buttons.cancel -side right -padx 5
        pack $w.buttons -side bottom -fill x -pady 10 -padx 10
 
-       labelframe $w.name \
+       labelframe $w.desc \
                -text {Branch Description} \
                -font font_ui
-       label $w.name.l -text {Name:} -font font_ui
-       text $w.name.t \
+       label $w.desc.name_l -text {Name:} -font font_ui
+       text $w.desc.name_t \
+               -borderwidth 1 \
+               -relief sunken \
                -height 1 \
                -width 40 \
                -font font_ui
-       bind $w.name.t <Shift-Key-Tab> "focus $w.postActions.checkout;break"
-       bind $w.name.t <Key-Tab> "focus $w.from.exp.t;break"
-       bind $w.name.t <Key-Return> "do_create_branch_action $w;break"
-       bind $w.name.t <Key> {
+       $w.desc.name_t insert 0.0 $repo_config(gui.newbranchtemplate)
+       grid $w.desc.name_l $w.desc.name_t -stick we -padx {0 5}
+       bind $w.desc.name_t <Shift-Key-Tab> {focus [tk_focusPrev %W];break}
+       bind $w.desc.name_t <Key-Tab> {focus [tk_focusNext %W];break}
+       bind $w.desc.name_t <Key-Return> "do_create_branch_action $w;break"
+       bind $w.desc.name_t <Key> {
                if {{%K} ne {BackSpace}
                        && {%K} ne {Tab}
                        && {%K} ne {Escape}
@@ -1765,39 +1863,50 @@ proc do_create_branch {} {
                        if {[string first %A {~^:?*[}] >= 0} break
                }
        }
-       pack $w.name.l -side left -padx 5
-       pack $w.name.t -side left -fill x -expand 1
-       pack $w.name -anchor nw -fill x -pady 5 -padx 5
+       grid columnconfigure $w.desc 1 -weight 1
+       pack $w.desc -anchor nw -fill x -pady 5 -padx 5
 
        labelframe $w.from \
                -text {Starting Revision} \
                -font font_ui
-       frame $w.from.head
-       radiobutton $w.from.head.r \
+       radiobutton $w.from.head_r \
                -text {Local Branch:} \
                -value head \
                -variable create_branch_revtype \
                -font font_ui
-       eval tk_optionMenu $w.from.head.m create_branch_head $all_heads
-       pack $w.from.head.r -side left
-       pack $w.from.head.m -side left
-       frame $w.from.exp
-       radiobutton $w.from.exp.r \
+       eval tk_optionMenu $w.from.head_m create_branch_head $all_heads
+       grid $w.from.head_r $w.from.head_m -sticky w
+       set all_trackings [all_tracking_branches]
+       if {$all_trackings ne {}} {
+               set create_branch_trackinghead [lindex $all_trackings 0]
+               radiobutton $w.from.tracking_r \
+                       -text {Tracking Branch:} \
+                       -value tracking \
+                       -variable create_branch_revtype \
+                       -font font_ui
+               eval tk_optionMenu $w.from.tracking_m \
+                       create_branch_trackinghead \
+                       $all_trackings
+               grid $w.from.tracking_r $w.from.tracking_m -sticky w
+       }
+       radiobutton $w.from.exp_r \
                -text {Revision Expression:} \
                -value expression \
                -variable create_branch_revtype \
                -font font_ui
-       text $w.from.exp.t \
+       text $w.from.exp_t \
+               -borderwidth 1 \
+               -relief sunken \
                -height 1 \
                -width 50 \
                -font font_ui
-       bind $w.from.exp.t <Shift-Key-Tab> "focus $w.name.t;break"
-       bind $w.from.exp.t <Key-Tab> "focus $w.postActions.checkout;break"
-       bind $w.from.exp.t <Key-Return> "do_create_branch_action $w;break"
-       pack $w.from.exp.r -side left
-       pack $w.from.exp.t -side left -fill x -expand 1
-       pack $w.from.head -padx 5 -fill x -expand 1
-       pack $w.from.exp -padx 5 -fill x -expand 1
+       grid $w.from.exp_r $w.from.exp_t -stick we -padx {0 5}
+       bind $w.from.exp_t <Shift-Key-Tab> {focus [tk_focusPrev %W];break}
+       bind $w.from.exp_t <Key-Tab> {focus [tk_focusNext %W];break}
+       bind $w.from.exp_t <Key-Return> "do_create_branch_action $w;break"
+       bind $w.from.exp_t <Key-space> break
+       bind $w.from.exp_t <Key> {set create_branch_revtype expression}
+       grid columnconfigure $w.from 1 -weight 1
        pack $w.from -anchor nw -fill x -pady 5 -padx 5
 
        labelframe $w.postActions \
@@ -1805,22 +1914,191 @@ proc do_create_branch {} {
                -font font_ui
        checkbutton $w.postActions.checkout \
                -text {Checkout after creation} \
-               -offvalue false \
-               -onvalue true \
                -variable create_branch_checkout \
                -font font_ui
        pack $w.postActions.checkout -anchor nw
        pack $w.postActions -anchor nw -fill x -pady 5 -padx 5
 
-       bind $w <Visibility> "grab $w; focus $w.name.t"
+       set create_branch_checkout 1
+       set create_branch_head $current_branch
+       set create_branch_revtype head
+
+       bind $w <Visibility> "grab $w; focus $w.desc.name_t"
        bind $w <Key-Escape> "destroy $w"
        bind $w <Key-Return> "do_create_branch_action $w;break"
        wm title $w "[appname] ([reponame]): Create Branch"
        tkwait window $w
 }
 
+proc do_delete_branch_action {w} {
+       global all_heads
+       global delete_branch_checktype delete_branch_head delete_branch_trackinghead
+
+       set check_rev {}
+       switch -- $delete_branch_checktype {
+       head {set check_rev $delete_branch_head}
+       tracking {set check_rev $delete_branch_trackinghead}
+       always {set check_rev {:none}}
+       }
+       if {$check_rev eq {:none}} {
+               set check_cmt {}
+       } elseif {[catch {set check_cmt [exec git rev-parse --verify "${check_rev}^0"]}]} {
+               tk_messageBox \
+                       -icon error \
+                       -type ok \
+                       -title [wm title $w] \
+                       -parent $w \
+                       -message "Invalid check revision: $check_rev"
+               return
+       }
+
+       set to_delete [list]
+       set not_merged [list]
+       foreach i [$w.list.l curselection] {
+               set b [$w.list.l get $i]
+               if {[catch {set o [exec git rev-parse --verify $b]}]} continue
+               if {$check_cmt ne {}} {
+                       if {$b eq $check_rev} continue
+                       if {[catch {set m [exec git merge-base $o $check_cmt]}]} continue
+                       if {$o ne $m} {
+                               lappend not_merged $b
+                               continue
+                       }
+               }
+               lappend to_delete [list $b $o]
+       }
+       if {$not_merged ne {}} {
+               set msg "The following branches are not completely merged into $check_rev:
+
+ - [join $not_merged "\n - "]"
+               tk_messageBox \
+                       -icon info \
+                       -type ok \
+                       -title [wm title $w] \
+                       -parent $w \
+                       -message $msg
+       }
+       if {$to_delete eq {}} return
+       if {$delete_branch_checktype eq {always}} {
+               set msg {Recovering deleted branches is difficult.
+
+Delete the selected branches?}
+               if {[tk_messageBox \
+                       -icon warning \
+                       -type yesno \
+                       -title [wm title $w] \
+                       -parent $w \
+                       -message $msg] ne yes} {
+                       return
+               }
+       }
+
+       set failed {}
+       foreach i $to_delete {
+               set b [lindex $i 0]
+               set o [lindex $i 1]
+               if {[catch {exec git update-ref -d "refs/heads/$b" $o} err]} {
+                       append failed " - $b: $err\n"
+               } else {
+                       set x [lsearch -sorted $all_heads $b]
+                       if {$x >= 0} {
+                               set all_heads [lreplace $all_heads $x $x]
+                       }
+               }
+       }
+
+       if {$failed ne {}} {
+               tk_messageBox \
+                       -icon error \
+                       -type ok \
+                       -title [wm title $w] \
+                       -parent $w \
+                       -message "Failed to delete branches:\n$failed"
+       }
+
+       set all_heads [lsort $all_heads]
+       populate_branch_menu
+       destroy $w
+}
+
 proc do_delete_branch {} {
-       error "NOT IMPLEMENTED"
+       global all_heads tracking_branches current_branch
+       global delete_branch_checktype delete_branch_head delete_branch_trackinghead
+
+       set w .branch_editor
+       toplevel $w
+       wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
+
+       label $w.header -text {Delete Local Branch} \
+               -font font_uibold
+       pack $w.header -side top -fill x
+
+       frame $w.buttons
+       button $w.buttons.create -text Delete \
+               -font font_ui \
+               -command [list do_delete_branch_action $w]
+       pack $w.buttons.create -side right
+       button $w.buttons.cancel -text {Cancel} \
+               -font font_ui \
+               -command [list destroy $w]
+       pack $w.buttons.cancel -side right -padx 5
+       pack $w.buttons -side bottom -fill x -pady 10 -padx 10
+
+       labelframe $w.list \
+               -text {Local Branches} \
+               -font font_ui
+       listbox $w.list.l \
+               -height 10 \
+               -width 50 \
+               -selectmode extended \
+               -font font_ui
+       foreach h $all_heads {
+               if {$h ne $current_branch} {
+                       $w.list.l insert end $h
+               }
+       }
+       pack $w.list.l -fill both -pady 5 -padx 5
+       pack $w.list -fill both -pady 5 -padx 5
+
+       labelframe $w.validate \
+               -text {Delete Only If} \
+               -font font_ui
+       radiobutton $w.validate.head_r \
+               -text {Merged Into Local Branch:} \
+               -value head \
+               -variable delete_branch_checktype \
+               -font font_ui
+       eval tk_optionMenu $w.validate.head_m delete_branch_head $all_heads
+       grid $w.validate.head_r $w.validate.head_m -sticky w
+       set all_trackings [all_tracking_branches]
+       if {$all_trackings ne {}} {
+               set delete_branch_trackinghead [lindex $all_trackings 0]
+               radiobutton $w.validate.tracking_r \
+                       -text {Merged Into Tracking Branch:} \
+                       -value tracking \
+                       -variable delete_branch_checktype \
+                       -font font_ui
+               eval tk_optionMenu $w.validate.tracking_m \
+                       delete_branch_trackinghead \
+                       $all_trackings
+               grid $w.validate.tracking_r $w.validate.tracking_m -sticky w
+       }
+       radiobutton $w.validate.always_r \
+               -text {Always (Do not perform merge checks)} \
+               -value always \
+               -variable delete_branch_checktype \
+               -font font_ui
+       grid $w.validate.always_r -columnspan 2 -sticky w
+       grid columnconfigure $w.validate 1 -weight 1
+       pack $w.validate -anchor nw -fill x -pady 5 -padx 5
+
+       set delete_branch_head $current_branch
+       set delete_branch_checktype head
+
+       bind $w <Visibility> "grab $w; focus $w"
+       bind $w <Key-Escape> "destroy $w"
+       wm title $w "[appname] ([reponame]): Delete Branch"
+       tkwait window $w
 }
 
 proc switch_branch {b} {
@@ -2109,6 +2387,7 @@ set all_icons(U$ui_index)   file_merge
 set all_icons(_$ui_workdir) file_plain
 set all_icons(M$ui_workdir) file_mod
 set all_icons(D$ui_workdir) file_question
+set all_icons(U$ui_workdir) file_merge
 set all_icons(O$ui_workdir) file_plain
 
 set max_status_desc 0
@@ -2130,6 +2409,7 @@ foreach i {
                {DO "Staged for removal, still present"}
 
                {U_ "Requires merge resolution"}
+               {UU "Requires merge resolution"}
                {UM "Requires merge resolution"}
                {UD "Requires merge resolution"}
        } {
@@ -2259,7 +2539,7 @@ proc console_init {w} {
                -command "tk_textCopy $w.m.t"
        $w.ctxm add command -label "Select All" \
                -font font_ui \
-               -command "$w.m.t tag add sel 0.0 end"
+               -command "focus $w.m.t;$w.m.t tag add sel 0.0 end"
        $w.ctxm add command -label "Copy All" \
                -font font_ui \
                -command "
@@ -2445,7 +2725,7 @@ proc do_rescan {} {
 }
 
 proc unstage_helper {txt paths} {
-       global file_states current_diff
+       global file_states current_diff_path
 
        if {![lock_index begin-update]} return
 
@@ -2457,7 +2737,7 @@ proc unstage_helper {txt paths} {
                M? -
                D? {
                        lappend pathList $path
-                       if {$path eq $current_diff} {
+                       if {$path eq $current_diff_path} {
                                set after {reshow_diff;}
                        }
                }
@@ -2474,21 +2754,21 @@ proc unstage_helper {txt paths} {
 }
 
 proc do_unstage_selection {} {
-       global current_diff selected_paths
+       global current_diff_path selected_paths
 
        if {[array size selected_paths] > 0} {
                unstage_helper \
                        {Unstaging selected files from commit} \
                        [array names selected_paths]
-       } elseif {$current_diff ne {}} {
+       } elseif {$current_diff_path ne {}} {
                unstage_helper \
-                       "Unstaging [short_path $current_diff] from commit" \
-                       [list $current_diff]
+                       "Unstaging [short_path $current_diff_path] from commit" \
+                       [list $current_diff_path]
        }
 }
 
 proc add_helper {txt paths} {
-       global file_states current_diff
+       global file_states current_diff_path
 
        if {![lock_index begin-update]} return
 
@@ -2501,7 +2781,7 @@ proc add_helper {txt paths} {
                ?D -
                U? {
                        lappend pathList $path
-                       if {$path eq $current_diff} {
+                       if {$path eq $current_diff_path} {
                                set after {reshow_diff;}
                        }
                }
@@ -2518,16 +2798,16 @@ proc add_helper {txt paths} {
 }
 
 proc do_add_selection {} {
-       global current_diff selected_paths
+       global current_diff_path selected_paths
 
        if {[array size selected_paths] > 0} {
                add_helper \
                        {Adding selected files} \
                        [array names selected_paths]
-       } elseif {$current_diff ne {}} {
+       } elseif {$current_diff_path ne {}} {
                add_helper \
-                       "Adding [short_path $current_diff]" \
-                       [list $current_diff]
+                       "Adding [short_path $current_diff_path]" \
+                       [list $current_diff_path]
        }
 }
 
@@ -2546,7 +2826,7 @@ proc do_add_all {} {
 }
 
 proc revert_helper {txt paths} {
-       global file_states current_diff
+       global file_states current_diff_path
 
        if {![lock_index begin-update]} return
 
@@ -2558,7 +2838,7 @@ proc revert_helper {txt paths} {
                ?M -
                ?D {
                        lappend pathList $path
-                       if {$path eq $current_diff} {
+                       if {$path eq $current_diff_path} {
                                set after {reshow_diff;}
                        }
                }
@@ -2597,16 +2877,16 @@ Any unadded changes will be permanently lost by the revert." \
 }
 
 proc do_revert_selection {} {
-       global current_diff selected_paths
+       global current_diff_path selected_paths
 
        if {[array size selected_paths] > 0} {
                revert_helper \
                        {Reverting selected files} \
                        [array names selected_paths]
-       } elseif {$current_diff ne {}} {
+       } elseif {$current_diff_path ne {}} {
                revert_helper \
-                       "Reverting [short_path $current_diff]" \
-                       [list $current_diff]
+                       "Reverting [short_path $current_diff_path]" \
+                       [list $current_diff_path]
        }
 }
 
@@ -2754,7 +3034,10 @@ proc do_options {} {
        pack $w.buttons.restore -side left
        button $w.buttons.save -text Save \
                -font font_ui \
-               -command [list do_save_config $w]
+               -command "
+                       catch {eval \[bind \[focus -displayof $w\] <FocusOut>\]}
+                       do_save_config $w
+               "
        pack $w.buttons.save -side right
        button $w.buttons.cancel -text {Cancel} \
                -font font_ui \
@@ -2772,10 +3055,10 @@ proc do_options {} {
        pack $w.global -side right -fill both -expand 1 -pady 5 -padx 5
 
        foreach option {
-               {b partialinclude {Allow Partially Added Files}}
                {b pullsummary {Show Pull Summary}}
                {b trustmtime  {Trust File Modification Timestamps}}
                {i diffcontext {Number of Diff Context Lines}}
+               {t newbranchtemplate {New Branch Name Template}}
                } {
                set type [lindex $option 0]
                set name [lindex $option 1]
@@ -2799,7 +3082,32 @@ proc do_options {} {
                                        -from 1 -to 99 -increment 1 \
                                        -width 3 \
                                        -font font_ui
-                               pack $w.$f.$name.v -side right -anchor e
+                               bind $w.$f.$name.v <FocusIn> {%W selection range 0 end}
+                               pack $w.$f.$name.v -side right -anchor e -padx 5
+                               pack $w.$f.$name -side top -anchor w -fill x
+                       }
+                       t {
+                               frame $w.$f.$name
+                               label $w.$f.$name.l -text "$text:" -font font_ui
+                               text $w.$f.$name.v \
+                                       -borderwidth 1 \
+                                       -relief sunken \
+                                       -height 1 \
+                                       -width 20 \
+                                       -font font_ui
+                               $w.$f.$name.v insert 0.0 [set ${f}_config_new(gui.$name)]
+                               bind $w.$f.$name.v <Shift-Key-Tab> {focus [tk_focusPrev %W];break}
+                               bind $w.$f.$name.v <Key-Tab> {focus [tk_focusNext %W];break}
+                               bind $w.$f.$name.v <Key-Return> break
+                               bind $w.$f.$name.v <FocusIn> "$w.$f.$name.v tag add sel 0.0 end"
+                               bind $w.$f.$name.v <FocusOut> "
+                                       set ${f}_config_new(gui.$name) \
+                                       \[string trim \[$w.$f.$name.v get 0.0 end\]\]
+                               "
+                               pack $w.$f.$name.l -side left -anchor w
+                               pack $w.$f.$name.v -side left -anchor w \
+                                       -fill x -expand 1 \
+                                       -padx 5
                                pack $w.$f.$name -side top -anchor w -fill x
                        }
                        }
@@ -2828,6 +3136,7 @@ proc do_options {} {
                        -from 2 -to 80 -increment 1 \
                        -width 3 \
                        -font font_ui
+               bind $w.global.$name.size <FocusIn> {%W selection range 0 end}
                pack $w.global.$name.size -side right -anchor e
                pack $w.global.$name.family -side right -anchor e
                pack $w.global.$name -side top -anchor w -fill x
@@ -2989,7 +3298,7 @@ proc do_macosx_app {} {
 }
 
 proc toggle_or_diff {w x y} {
-       global file_states file_lists current_diff ui_index ui_workdir
+       global file_states file_lists current_diff_path ui_index ui_workdir
        global last_clicked selected_paths
 
        set pos [split [$w index @$x,$y] .]
@@ -3007,7 +3316,7 @@ proc toggle_or_diff {w x y} {
        $ui_workdir tag remove in_sel 0.0 end
 
        if {$col == 0} {
-               if {$current_diff eq $path} {
+               if {$current_diff_path eq $path} {
                        set after {reshow_diff;}
                } else {
                        set after {}
@@ -3132,8 +3441,8 @@ proc apply_config {} {
 
 set default_config(gui.trustmtime) false
 set default_config(gui.pullsummary) true
-set default_config(gui.partialinclude) false
 set default_config(gui.diffcontext) 5
+set default_config(gui.newbranchtemplate) {}
 set default_config(gui.fontui) [font configure font_ui]
 set default_config(gui.fontdiff) [font configure font_diff]
 set font_descs {
@@ -3422,42 +3731,50 @@ pack .branch -side top -fill x
 #
 panedwindow .vpane -orient vertical
 panedwindow .vpane.files -orient horizontal
-.vpane add .vpane.files -sticky nsew -height 100 -width 400
+.vpane add .vpane.files -sticky nsew -height 100 -width 200
 pack .vpane -anchor n -side top -fill both -expand 1
 
 # -- Index File List
 #
-frame .vpane.files.index -height 100 -width 400
+frame .vpane.files.index -height 100 -width 200
 label .vpane.files.index.title -text {Changes To Be Committed} \
        -background green \
        -font font_ui
 text $ui_index -background white -borderwidth 0 \
-       -width 40 -height 10 \
+       -width 20 -height 10 \
+       -wrap none \
        -font font_ui \
        -cursor $cursor_ptr \
-       -yscrollcommand {.vpane.files.index.sb set} \
+       -xscrollcommand {.vpane.files.index.sx set} \
+       -yscrollcommand {.vpane.files.index.sy set} \
        -state disabled
-scrollbar .vpane.files.index.sb -command [list $ui_index yview]
+scrollbar .vpane.files.index.sx -orient h -command [list $ui_index xview]
+scrollbar .vpane.files.index.sy -orient v -command [list $ui_index yview]
 pack .vpane.files.index.title -side top -fill x
-pack .vpane.files.index.sb -side right -fill y
+pack .vpane.files.index.sx -side bottom -fill x
+pack .vpane.files.index.sy -side right -fill y
 pack $ui_index -side left -fill both -expand 1
 .vpane.files add .vpane.files.index -sticky nsew
 
 # -- Working Directory File List
 #
-frame .vpane.files.workdir -height 100 -width 100
+frame .vpane.files.workdir -height 100 -width 200
 label .vpane.files.workdir.title -text {Changed But Not Updated} \
        -background red \
        -font font_ui
 text $ui_workdir -background white -borderwidth 0 \
-       -width 40 -height 10 \
+       -width 20 -height 10 \
+       -wrap none \
        -font font_ui \
        -cursor $cursor_ptr \
-       -yscrollcommand {.vpane.files.workdir.sb set} \
+       -xscrollcommand {.vpane.files.workdir.sx set} \
+       -yscrollcommand {.vpane.files.workdir.sy set} \
        -state disabled
-scrollbar .vpane.files.workdir.sb -command [list $ui_workdir yview]
+scrollbar .vpane.files.workdir.sx -orient h -command [list $ui_workdir xview]
+scrollbar .vpane.files.workdir.sy -orient v -command [list $ui_workdir yview]
 pack .vpane.files.workdir.title -side top -fill x
-pack .vpane.files.workdir.sb -side right -fill y
+pack .vpane.files.workdir.sx -side bottom -fill x
+pack .vpane.files.workdir.sy -side right -fill y
 pack $ui_workdir -side left -fill both -expand 1
 .vpane.files add .vpane.files.workdir -sticky nsew
 
@@ -3596,7 +3913,7 @@ $ctxm add separator
 $ctxm add command \
        -label {Select All} \
        -font font_ui \
-       -command {$ui_comm tag add sel 0.0 end}
+       -command {focus $ui_comm;$ui_comm tag add sel 0.0 end}
 $ctxm add command \
        -label {Copy All} \
        -font font_ui \
@@ -3614,17 +3931,17 @@ bind_button3 $ui_comm "tk_popup $ctxm %X %Y"
 
 # -- Diff Header
 #
-set current_diff {}
+set current_diff_path {}
 set diff_actions [list]
-proc trace_current_diff {varname args} {
-       global current_diff diff_actions file_states
-       if {$current_diff eq {}} {
+proc trace_current_diff_path {varname args} {
+       global current_diff_path diff_actions file_states
+       if {$current_diff_path eq {}} {
                set s {}
                set f {}
                set p {}
                set o disabled
        } else {
-               set p $current_diff
+               set p $current_diff_path
                set s [mapdesc [lindex $file_states($p) 0] $p]
                set f {File:}
                set p [escape_path $p]
@@ -3638,7 +3955,7 @@ proc trace_current_diff {varname args} {
                uplevel #0 $w $o
        }
 }
-trace add variable current_diff write trace_current_diff
+trace add variable current_diff_path write trace_current_diff_path
 
 frame .vpane.lower.diff.header -background orange
 label .vpane.lower.diff.header.status \
@@ -3670,7 +3987,7 @@ $ctxm add command \
                clipboard append \
                        -format STRING \
                        -type STRING \
-                       -- $current_diff
+                       -- $current_diff_path
        }
 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
 bind_button3 .vpane.lower.diff.header.path "tk_popup $ctxm %X %Y"
@@ -3695,22 +4012,45 @@ pack $ui_diff -side left -fill both -expand 1
 pack .vpane.lower.diff.header -side top -fill x
 pack .vpane.lower.diff.body -side bottom -fill both -expand 1
 
-$ui_diff tag conf d_@ -font font_diffbold
-$ui_diff tag conf d_+  -foreground blue
-$ui_diff tag conf d_-  -foreground red
+$ui_diff tag conf d_@ -foreground blue -font font_diffbold
+$ui_diff tag conf d_+ -foreground {#00a000}
+$ui_diff tag conf d_- -foreground red
+
 $ui_diff tag conf d_++ -foreground {#00a000}
-$ui_diff tag conf d_-- -foreground {#a000a0}
-$ui_diff tag conf d_+- \
+$ui_diff tag conf d_-- -foreground red
+$ui_diff tag conf d_+s \
+       -foreground {#00a000} \
+       -background {#e2effa}
+$ui_diff tag conf d_-s \
+       -foreground red \
+       -background {#e2effa}
+$ui_diff tag conf d_s+ \
+       -foreground {#00a000} \
+       -background ivory1
+$ui_diff tag conf d_s- \
        -foreground red \
-       -background {light goldenrod yellow}
-$ui_diff tag conf d_-+ \
-       -foreground blue \
-       -background azure2
+       -background ivory1
+
+$ui_diff tag conf d<<<<<<< \
+       -foreground orange \
+       -font font_diffbold
+$ui_diff tag conf d======= \
+       -foreground orange \
+       -font font_diffbold
+$ui_diff tag conf d>>>>>>> \
+       -foreground orange \
+       -font font_diffbold
+
+$ui_diff tag raise sel
 
 # -- Diff Body Context Menu
 #
 set ctxm .vpane.lower.diff.body.ctxm
 menu $ctxm -tearoff 0
+$ctxm add command \
+       -label {Refresh} \
+       -font font_ui \
+       -command reshow_diff
 $ctxm add command \
        -label {Copy} \
        -font font_ui \
@@ -3719,7 +4059,7 @@ lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
 $ctxm add command \
        -label {Select All} \
        -font font_ui \
-       -command {$ui_diff tag add sel 0.0 end}
+       -command {focus $ui_diff;$ui_diff tag add sel 0.0 end}
 lappend diff_actions [list $ctxm entryconf [$ctxm index last] -state]
 $ctxm add command \
        -label {Copy All} \
@@ -3850,7 +4190,7 @@ set MERGE_HEAD [list]
 set commit_type {}
 set empty_tree {}
 set current_branch {}
-set current_diff {}
+set current_diff_path {}
 set selected_commit_type new
 
 wm title . "[appname] ([file normalize [file dirname [gitdir]]])"