git-gui: Support merge.summary, merge.verbosity.
[gitweb.git] / git-gui.sh
index ee7fdaabfd56d6991b4503a44097e36162239846..1ba7f5a29306e817ebb1eb70877c128ad36ae6b8 100755 (executable)
@@ -60,6 +60,17 @@ proc is_many_config {name} {
        }
 }
 
+proc is_config_true {name} {
+       global repo_config
+       if {[catch {set v $repo_config($name)}]} {
+               return 0
+       } elseif {$v eq {true} || $v eq {1} || $v eq {yes}} {
+               return 1
+       } else {
+               return 0
+       }
+}
+
 proc load_config {include_global} {
        global repo_config global_config default_config
 
@@ -187,13 +198,13 @@ proc warn_popup {msg} {
        eval $cmd
 }
 
-proc info_popup {msg} {
+proc info_popup {msg {parent .}} {
        set title [appname]
        if {[reponame] ne {}} {
                append title " ([reponame])"
        }
        tk_messageBox \
-               -parent . \
+               -parent $parent \
                -icon info \
                -type ok \
                -title $title \
@@ -428,6 +439,7 @@ proc load_message {file} {
                }
                set content [string trim [read $fd]]
                close $fd
+               regsub -all -line {[ \r\t]+$} $content {} content
                $ui_comm delete 0.0 end
                $ui_comm insert end $content
                return 1
@@ -567,7 +579,7 @@ proc reshow_diff {} {
        if {$p eq {}
                || $current_diff_side eq {}
                || [catch {set s $file_states($p)}]
-               || [lsearch -sorted $file_lists($current_diff_side) $p] == -1} {
+               || [lsearch -sorted -exact $file_lists($current_diff_side) $p] == -1} {
                clear_diff
        } else {
                show_diff $p $current_diff_side
@@ -606,16 +618,13 @@ proc show_diff {path w {lno {}}} {
        if {$diff_active || ![lock_index read]} return
 
        clear_diff
-       if {$w eq {} || $lno == {}} {
-               foreach w [array names file_lists] {
-                       set lno [lsearch -sorted $file_lists($w) $path]
-                       if {$lno >= 0} {
-                               incr lno
-                               break
-                       }
+       if {$lno == {}} {
+               set lno [lsearch -sorted -exact $file_lists($w) $path]
+               if {$lno >= 0} {
+                       incr lno
                }
        }
-       if {$w ne {} && $lno >= 1} {
+       if {$lno >= 1} {
                $w tag add in_diff $lno.0 [expr {$lno + 1}].0
        }
 
@@ -985,8 +994,8 @@ 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
+       if {![lock_index update]} return
 
        # -- Our in memory state should match the repository.
        #
@@ -1046,6 +1055,7 @@ You must add at least 1 file before you can commit.
        # -- A message is required.
        #
        set msg [string trim [$ui_comm get 1.0 end]]
+       regsub -all -line {[ \t\r]+$} $msg {} msg
        if {$msg eq {}} {
                error_popup {Please supply a commit message.
 
@@ -1270,87 +1280,25 @@ proc commit_committree {fd_wt curHEAD msg} {
 
 ######################################################################
 ##
-## fetch pull push
+## fetch push
 
 proc fetch_from {remote} {
-       set w [new_console "fetch $remote" \
+       set w [new_console \
+               "fetch $remote" \
                "Fetching new changes from $remote"]
        set cmd [list git fetch]
        lappend cmd $remote
-       console_exec $w $cmd
-}
-
-proc pull_remote {remote branch} {
-       global HEAD commit_type file_states repo_config
-
-       if {![lock_index update]} return
-
-       # -- Our in memory state should match the repository.
-       #
-       repository_state curType curHEAD curMERGE_HEAD
-       if {$commit_type ne $curType || $HEAD ne $curHEAD} {
-               info_popup {Last scanned state does not match repository state.
-
-Another Git program has modified this repository
-since the last scan.  A rescan must be performed
-before a pull operation can be started.
-
-The rescan will be automatically started now.
-}
-               unlock_index
-               rescan {set ui_status_value {Ready.}}
-               return
-       }
-
-       # -- No differences should exist before a pull.
-       #
-       if {[array size file_states] != 0} {
-               error_popup {Uncommitted but modified files are present.
-
-You should not perform a pull with unmodified
-files in your working directory as Git will be
-unable to recover from an incorrect merge.
-
-You should commit or revert all changes before
-starting a pull operation.
-}
-               unlock_index
-               return
-       }
-
-       set w [new_console "pull $remote $branch" \
-               "Pulling new changes from branch $branch in $remote"]
-       set cmd [list git pull]
-       if {$repo_config(gui.pullsummary) eq {false}} {
-               lappend cmd --no-summary
-       }
-       lappend cmd $remote
-       lappend cmd $branch
-       console_exec $w $cmd [list post_pull_remote $remote $branch]
-}
-
-proc post_pull_remote {remote branch success} {
-       global HEAD PARENT MERGE_HEAD commit_type selected_commit_type
-       global ui_status_value
-
-       unlock_index
-       if {$success} {
-               repository_state commit_type HEAD MERGE_HEAD
-               set PARENT $HEAD
-               set selected_commit_type new
-               set ui_status_value "Pulling $branch from $remote complete."
-       } else {
-               rescan [list set ui_status_value \
-                       "Conflicts detected while pulling $branch from $remote."]
-       }
+       console_exec $w $cmd console_done
 }
 
 proc push_to {remote} {
-       set w [new_console "push $remote" \
+       set w [new_console \
+               "push $remote" \
                "Pushing changes to $remote"]
        set cmd [list git push]
+       lappend cmd -v
        lappend cmd $remote
-       console_exec $w $cmd
+       console_exec $w $cmd console_done
 }
 
 ######################################################################
@@ -1428,7 +1376,7 @@ proc display_file_helper {w path icon_name old_m new_m} {
        global file_lists
 
        if {$new_m eq {_}} {
-               set lno [lsearch -sorted $file_lists($w) $path]
+               set lno [lsearch -sorted -exact $file_lists($w) $path]
                if {$lno >= 0} {
                        set file_lists($w) [lreplace $file_lists($w) $lno $lno]
                        incr lno
@@ -1439,7 +1387,7 @@ proc display_file_helper {w path icon_name old_m new_m} {
        } elseif {$old_m eq {_} && $new_m ne {_}} {
                lappend file_lists($w) $path
                set file_lists($w) [lsort -unique $file_lists($w)]
-               set lno [lsearch -sorted $file_lists($w) $path]
+               set lno [lsearch -sorted -exact $file_lists($w) $path]
                incr lno
                $w conf -state normal
                $w image create $lno.0 \
@@ -1820,7 +1768,9 @@ proc populate_branch_menu {} {
                }
        }
 
-       $m add separator
+       if {$all_heads ne {}} {
+               $m add separator
+       }
        foreach b $all_heads {
                $m add radiobutton \
                        -label $b \
@@ -1863,8 +1813,9 @@ proc do_create_branch_action {w} {
        global all_heads null_sha1 repo_config
        global create_branch_checkout create_branch_revtype
        global create_branch_head create_branch_trackinghead
+       global create_branch_name create_branch_revexp
 
-       set newbranch [string trim [$w.desc.name_t get 0.0 end]]
+       set newbranch $create_branch_name
        if {$newbranch eq {}
                || $newbranch eq $repo_config(gui.newbranchtemplate)} {
                tk_messageBox \
@@ -1901,7 +1852,7 @@ proc do_create_branch_action {w} {
        switch -- $create_branch_revtype {
        head {set rev $create_branch_head}
        tracking {set rev $create_branch_trackinghead}
-       expression {set rev [string trim [$w.from.exp_t get 0.0 end]]}
+       expression {set rev $create_branch_revexp}
        }
        if {[catch {set cmt [exec git rev-parse --verify "${rev}^0"]}]} {
                tk_messageBox \
@@ -1956,6 +1907,7 @@ 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
+       global create_branch_name create_branch_revexp
 
        set w .branch_editor
        toplevel $w
@@ -1981,26 +1933,18 @@ proc do_create_branch {} {
                -text {Branch Description} \
                -font font_ui
        label $w.desc.name_l -text {Name:} -font font_ui
-       text $w.desc.name_t \
+       entry $w.desc.name_t \
                -borderwidth 1 \
                -relief sunken \
-               -height 1 \
                -width 40 \
-               -font font_ui
-       $w.desc.name_t insert 0.0 $repo_config(gui.newbranchtemplate)
-       grid $w.desc.name_l $w.desc.name_t -sticky 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}
-                       && {%K} ne {Return}} {
-                       if {%k <= 32} break
-                       if {[string first %A {~^:?*[}] >= 0} break
+               -textvariable create_branch_name \
+               -font font_ui \
+               -validate key \
+               -validatecommand {
+                       if {%d == 1 && [regexp {[~^:?*\[\0- ]} %S]} {return 0}
+                       return 1
                }
-       }
+       grid $w.desc.name_l $w.desc.name_t -sticky we -padx {0 5}
        grid columnconfigure $w.desc 1 -weight 1
        pack $w.desc -anchor nw -fill x -pady 5 -padx 5
 
@@ -2032,18 +1976,21 @@ proc do_create_branch {} {
                -value expression \
                -variable create_branch_revtype \
                -font font_ui
-       text $w.from.exp_t \
+       entry $w.from.exp_t \
                -borderwidth 1 \
                -relief sunken \
-               -height 1 \
                -width 50 \
-               -font font_ui
+               -textvariable create_branch_revexp \
+               -font font_ui \
+               -validate key \
+               -validatecommand {
+                       if {%d == 1 && [regexp {\s} %S]} {return 0}
+                       if {%d == 1 && [string length %S] > 0} {
+                               set create_branch_revtype expression
+                       }
+                       return 1
+               }
        grid $w.from.exp_r $w.from.exp_t -sticky 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
 
@@ -2060,8 +2007,14 @@ proc do_create_branch {} {
        set create_branch_checkout 1
        set create_branch_head $current_branch
        set create_branch_revtype head
+       set create_branch_name $repo_config(gui.newbranchtemplate)
+       set create_branch_revexp {}
 
-       bind $w <Visibility> "grab $w; focus $w.desc.name_t"
+       bind $w <Visibility> "
+               grab $w
+               $w.desc.name_t icursor end
+               focus $w.desc.name_t
+       "
        bind $w <Key-Escape> "destroy $w"
        bind $w <Key-Return> "do_create_branch_action $w;break"
        wm title $w "[appname] ([reponame]): Create Branch"
@@ -2138,7 +2091,7 @@ Delete the selected branches?}
                if {[catch {exec git update-ref -d "refs/heads/$b" $o} err]} {
                        append failed " - $b: $err\n"
                } else {
-                       set x [lsearch -sorted $all_heads $b]
+                       set x [lsearch -sorted -exact $all_heads $b]
                        if {$x >= 0} {
                                set all_heads [lreplace $all_heads $x $x]
                        }
@@ -2187,16 +2140,19 @@ proc do_delete_branch {} {
                -font font_ui
        listbox $w.list.l \
                -height 10 \
-               -width 50 \
+               -width 70 \
                -selectmode extended \
+               -yscrollcommand [list $w.list.sby set] \
                -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
+       scrollbar $w.list.sby -command [list $w.list.l yview]
+       pack $w.list.sby -side right -fill y
+       pack $w.list.l -side left -fill both -expand 1
+       pack $w.list -fill both -expand 1 -pady 5 -padx 5
 
        labelframe $w.validate \
                -text {Delete Only If} \
@@ -2264,6 +2220,13 @@ The rescan will be automatically started now.
                return
        }
 
+       # -- Don't do a pointless switch.
+       #
+       if {$current_branch eq $new_branch} {
+               unlock_index
+               return
+       }
+
        if {$repo_config(gui.trustmtime) eq {true}} {
                switch_branch_stage2 {} $new_branch
        } else {
@@ -2424,9 +2387,10 @@ proc load_all_remotes {} {
        set all_remotes [lsort -unique $all_remotes]
 }
 
-proc populate_fetch_menu {m} {
+proc populate_fetch_menu {} {
        global all_remotes repo_config
 
+       set m .mbar.fetch
        foreach r $all_remotes {
                set enable 0
                if {![catch {set a $repo_config(remote.$r.url)}]} {
@@ -2455,9 +2419,11 @@ proc populate_fetch_menu {m} {
        }
 }
 
-proc populate_push_menu {m} {
+proc populate_push_menu {} {
        global all_remotes repo_config
 
+       set m .mbar.push
+       set fast_count 0
        foreach r $all_remotes {
                set enable 0
                if {![catch {set a $repo_config(remote.$r.url)}]} {
@@ -2478,48 +2444,458 @@ proc populate_push_menu {m} {
                }
 
                if {$enable} {
+                       if {!$fast_count} {
+                               $m add separator
+                       }
                        $m add command \
                                -label "Push to $r..." \
                                -command [list push_to $r] \
                                -font font_ui
+                       incr fast_count
                }
        }
 }
 
-proc populate_pull_menu {m} {
-       global repo_config all_remotes disable_on_lock
+proc start_push_anywhere_action {w} {
+       global push_urltype push_remote push_url push_thin push_tags
 
-       foreach remote $all_remotes {
-               set rb_list [list]
-               if {[array get repo_config remote.$remote.url] ne {}} {
-                       if {[array get repo_config remote.$remote.fetch] ne {}} {
-                               foreach line $repo_config(remote.$remote.fetch) {
-                                       if {[regexp {^([^:]+):} $line line rb]} {
-                                               lappend rb_list $rb
-                                       }
-                               }
-                       }
+       set r_url {}
+       switch -- $push_urltype {
+       remote {set r_url $push_remote}
+       url {set r_url $push_url}
+       }
+       if {$r_url eq {}} return
+
+       set cmd [list git push]
+       lappend cmd -v
+       if {$push_thin} {
+               lappend cmd --thin
+       }
+       if {$push_tags} {
+               lappend cmd --tags
+       }
+       lappend cmd $r_url
+       set cnt 0
+       foreach i [$w.source.l curselection] {
+               set b [$w.source.l get $i]
+               lappend cmd "refs/heads/$b:refs/heads/$b"
+               incr cnt
+       }
+       if {$cnt == 0} {
+               return
+       } elseif {$cnt == 1} {
+               set unit branch
+       } else {
+               set unit branches
+       }
+
+       set cons [new_console "push $r_url" "Pushing $cnt $unit to $r_url"]
+       console_exec $cons $cmd console_done
+       destroy $w
+}
+
+trace add variable push_remote write \
+       [list radio_selector push_urltype remote]
+
+proc do_push_anywhere {} {
+       global all_heads all_remotes current_branch
+       global push_urltype push_remote push_url push_thin push_tags
+
+       set w .push_setup
+       toplevel $w
+       wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
+
+       label $w.header -text {Push Branches} -font font_uibold
+       pack $w.header -side top -fill x
+
+       frame $w.buttons
+       button $w.buttons.create -text Push \
+               -font font_ui \
+               -command [list start_push_anywhere_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.source \
+               -text {Source Branches} \
+               -font font_ui
+       listbox $w.source.l \
+               -height 10 \
+               -width 70 \
+               -selectmode extended \
+               -yscrollcommand [list $w.source.sby set] \
+               -font font_ui
+       foreach h $all_heads {
+               $w.source.l insert end $h
+               if {$h eq $current_branch} {
+                       $w.source.l select set end
+               }
+       }
+       scrollbar $w.source.sby -command [list $w.source.l yview]
+       pack $w.source.sby -side right -fill y
+       pack $w.source.l -side left -fill both -expand 1
+       pack $w.source -fill both -expand 1 -pady 5 -padx 5
+
+       labelframe $w.dest \
+               -text {Destination Repository} \
+               -font font_ui
+       if {$all_remotes ne {}} {
+               radiobutton $w.dest.remote_r \
+                       -text {Remote:} \
+                       -value remote \
+                       -variable push_urltype \
+                       -font font_ui
+               eval tk_optionMenu $w.dest.remote_m push_remote $all_remotes
+               grid $w.dest.remote_r $w.dest.remote_m -sticky w
+               if {[lsearch -sorted -exact $all_remotes origin] != -1} {
+                       set push_remote origin
                } else {
-                       catch {
-                               set fd [open [gitdir remotes $remote] r]
-                               while {[gets $fd line] >= 0} {
-                                       if {[regexp {^Pull:[ \t]*([^:]+):} $line line rb]} {
-                                               lappend rb_list $rb
-                                       }
-                               }
-                               close $fd
+                       set push_remote [lindex $all_remotes 0]
+               }
+               set push_urltype remote
+       } else {
+               set push_urltype url
+       }
+       radiobutton $w.dest.url_r \
+               -text {Arbitrary URL:} \
+               -value url \
+               -variable push_urltype \
+               -font font_ui
+       entry $w.dest.url_t \
+               -borderwidth 1 \
+               -relief sunken \
+               -width 50 \
+               -textvariable push_url \
+               -font font_ui \
+               -validate key \
+               -validatecommand {
+                       if {%d == 1 && [regexp {\s} %S]} {return 0}
+                       if {%d == 1 && [string length %S] > 0} {
+                               set push_urltype url
                        }
+                       return 1
                }
+       grid $w.dest.url_r $w.dest.url_t -sticky we -padx {0 5}
+       grid columnconfigure $w.dest 1 -weight 1
+       pack $w.dest -anchor nw -fill x -pady 5 -padx 5
 
-               foreach rb $rb_list {
-                       regsub ^refs/heads/ $rb {} rb_short
-                       $m add command \
-                               -label "Branch $rb_short from $remote..." \
-                               -command [list pull_remote $remote $rb] \
-                               -font font_ui
-                       lappend disable_on_lock \
-                               [list $m entryconf [$m index last] -state]
+       labelframe $w.options \
+               -text {Transfer Options} \
+               -font font_ui
+       checkbutton $w.options.thin \
+               -text {Use thin pack (for slow network connections)} \
+               -variable push_thin \
+               -font font_ui
+       grid $w.options.thin -columnspan 2 -sticky w
+       checkbutton $w.options.tags \
+               -text {Include tags} \
+               -variable push_tags \
+               -font font_ui
+       grid $w.options.tags -columnspan 2 -sticky w
+       grid columnconfigure $w.options 1 -weight 1
+       pack $w.options -anchor nw -fill x -pady 5 -padx 5
+
+       set push_url {}
+       set push_thin 0
+       set push_tags 0
+
+       bind $w <Visibility> "grab $w"
+       bind $w <Key-Escape> "destroy $w"
+       wm title $w "[appname] ([reponame]): Push"
+       tkwait window $w
+}
+
+######################################################################
+##
+## merge
+
+proc can_merge {} {
+       global HEAD commit_type file_states
+
+       if {[string match amend* $commit_type]} {
+               info_popup {Cannot merge while amending.
+
+You must finish amending this commit before
+starting any type of merge.
+}
+               return 0
+       }
+
+       if {[committer_ident] eq {}} {return 0}
+       if {![lock_index merge]} {return 0}
+
+       # -- Our in memory state should match the repository.
+       #
+       repository_state curType curHEAD curMERGE_HEAD
+       if {$commit_type ne $curType || $HEAD ne $curHEAD} {
+               info_popup {Last scanned state does not match repository state.
+
+Another Git program has modified this repository
+since the last scan.  A rescan must be performed
+before a merge can be performed.
+
+The rescan will be automatically started now.
+}
+               unlock_index
+               rescan {set ui_status_value {Ready.}}
+               return 0
+       }
+
+       foreach path [array names file_states] {
+               switch -glob -- [lindex $file_states($path) 0] {
+               _O {
+                       continue; # and pray it works!
                }
+               U? {
+                       error_popup "You are in the middle of a conflicted merge.
+
+File [short_path $path] has merge conflicts.
+
+You must resolve them, add the file, and commit to
+complete the current merge.  Only then can you
+begin another merge.
+"
+                       unlock_index
+                       return 0
+               }
+               ?? {
+                       error_popup "You are in the middle of a change.
+
+File [short_path $path] is modified.
+
+You should complete the current commit before
+starting a merge.  Doing so will help you abort
+a failed merge, should the need arise.
+"
+                       unlock_index
+                       return 0
+               }
+               }
+       }
+
+       return 1
+}
+
+proc visualize_local_merge {w} {
+       set revs {}
+       foreach i [$w.source.l curselection] {
+               lappend revs [$w.source.l get $i]
+       }
+       if {$revs eq {}} return
+       lappend revs --not HEAD
+       do_gitk $revs
+}
+
+proc start_local_merge_action {w} {
+       global HEAD ui_status_value current_branch
+
+       set cmd [list git merge]
+       if {![is_config_true merge.summary]} {
+               lappend cmd --no-summary
+       }
+
+       set names {}
+       set revcnt 0
+       foreach i [$w.source.l curselection] {
+               set b [$w.source.l get $i]
+               lappend cmd $b
+               lappend names $b
+               incr revcnt
+       }
+
+       if {$revcnt == 0} {
+               return
+       } elseif {$revcnt == 1} {
+               set unit branch
+       } elseif {$revcnt <= 15} {
+               set unit branches
+       } else {
+               tk_messageBox \
+                       -icon error \
+                       -type ok \
+                       -title [wm title $w] \
+                       -parent $w \
+                       -message "Too many branches selected.
+
+You have requested to merge $revcnt branches
+in an octopus merge.  This exceeds Git's
+internal limit of 15 branches per merge.
+
+Please select fewer branches.  To merge more
+than 15 branches, merge the branches in batches.
+"
+               return
+       }
+
+       set msg "Merging $current_branch, [join $names {, }]"
+       set ui_status_value "$msg..."
+       set cons [new_console "Merge" $msg]
+       console_exec $cons $cmd [list finish_merge $revcnt]
+       bind $w <Destroy> {}
+       destroy $w
+}
+
+proc finish_merge {revcnt w ok} {
+       console_done $w $ok
+       if {$ok} {
+               set msg {Merge completed successfully.}
+       } else {
+               if {$revcnt != 1} {
+                       info_popup "Octopus merge failed.
+
+Your merge of $revcnt branches has failed.
+
+There are file-level conflicts between the
+branches which must be resolved manually.
+
+The working directory will now be reset.
+
+You can attempt this merge again
+by merging only one branch at a time." $w
+
+                       set fd [open "| git read-tree --reset -u HEAD" r]
+                       fconfigure $fd -blocking 0 -translation binary
+                       fileevent $fd readable [list reset_hard_wait $fd]
+                       set ui_status_value {Aborting... please wait...}
+                       return
+               }
+
+               set msg {Merge failed.  Conflict resolution is required.}
+       }
+       unlock_index
+       rescan [list set ui_status_value $msg]
+}
+
+proc do_local_merge {} {
+       global current_branch
+
+       if {![can_merge]} return
+
+       set w .merge_setup
+       toplevel $w
+       wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
+
+       label $w.header \
+               -text "Merge Into $current_branch" \
+               -font font_uibold
+       pack $w.header -side top -fill x
+
+       frame $w.buttons
+       button $w.buttons.visualize -text Visualize \
+               -font font_ui \
+               -command [list visualize_local_merge $w]
+       pack $w.buttons.visualize -side left
+       button $w.buttons.create -text Merge \
+               -font font_ui \
+               -command [list start_local_merge_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.source \
+               -text {Source Branches} \
+               -font font_ui
+       listbox $w.source.l \
+               -height 10 \
+               -width 70 \
+               -selectmode extended \
+               -yscrollcommand [list $w.source.sby set] \
+               -font font_ui
+       scrollbar $w.source.sby -command [list $w.source.l yview]
+       pack $w.source.sby -side right -fill y
+       pack $w.source.l -side left -fill both -expand 1
+       pack $w.source -fill both -expand 1 -pady 5 -padx 5
+
+       set cmd [list git for-each-ref]
+       lappend cmd {--format=%(objectname) %(refname)}
+       lappend cmd refs/heads
+       lappend cmd refs/remotes
+       set fr_fd [open "| $cmd" r]
+       fconfigure $fr_fd -translation binary
+       while {[gets $fr_fd line] > 0} {
+               set line [split $line { }]
+               set sha1([lindex $line 0]) [lindex $line 1]
+       }
+       close $fr_fd
+
+       set to_show {}
+       set fr_fd [open "| git rev-list --all --not HEAD"]
+       while {[gets $fr_fd line] > 0} {
+               if {[catch {set ref $sha1($line)}]} continue
+               regsub ^refs/(heads|remotes)/ $ref {} ref
+               lappend to_show $ref
+       }
+       close $fr_fd
+
+       foreach ref [lsort -unique $to_show] {
+               $w.source.l insert end $ref
+       }
+
+       bind $w <Visibility> "grab $w"
+       bind $w <Key-Escape> "unlock_index;destroy $w"
+       bind $w <Destroy> unlock_index
+       wm title $w "[appname] ([reponame]): Merge"
+       tkwait window $w
+}
+
+proc do_reset_hard {} {
+       global HEAD commit_type file_states
+
+       if {[string match amend* $commit_type]} {
+               info_popup {Cannot abort while amending.
+
+You must finish amending this commit.
+}
+               return
+       }
+
+       if {![lock_index abort]} return
+
+       if {[string match *merge* $commit_type]} {
+               set op merge
+       } else {
+               set op commit
+       }
+
+       if {[ask_popup "Abort $op?
+
+Aborting the current $op will cause
+*ALL* uncommitted changes to be lost.
+
+Continue with aborting the current $op?"] eq {yes}} {
+               set fd [open "| git read-tree --reset -u HEAD" r]
+               fconfigure $fd -blocking 0 -translation binary
+               fileevent $fd readable [list reset_hard_wait $fd]
+               set ui_status_value {Aborting... please wait...}
+       } else {
+               unlock_index
+       }
+}
+
+proc reset_hard_wait {fd} {
+       global ui_comm
+
+       read $fd
+       if {[eof $fd]} {
+               close $fd
+               unlock_index
+
+               $ui_comm delete 0.0 end
+               $ui_comm edit modified false
+
+               catch {file delete [gitdir MERGE_HEAD]}
+               catch {file delete [gitdir rr-cache MERGE_RR]}
+               catch {file delete [gitdir SQUASH_MSG]}
+               catch {file delete [gitdir MERGE_MSG]}
+               catch {file delete [gitdir GITGUI_MSG]}
+
+               rescan {set ui_status_value {Abort completed.  Ready.}}
        }
 }
 
@@ -2786,7 +3162,7 @@ proc console_init {w} {
        return $w
 }
 
-proc console_exec {w cmd {after {}}} {
+proc console_exec {w cmd after} {
        # -- Windows tosses the enviroment when we exec our child.
        #    But most users need that so we have to relogin. :-(
        #
@@ -2805,7 +3181,7 @@ proc console_exec {w cmd {after {}}} {
 }
 
 proc console_read {w fd after} {
-       global console_cr console_data
+       global console_cr
 
        set buf [read $fd]
        if {$buf ne {}} {
@@ -2839,25 +3215,72 @@ proc console_read {w fd after} {
        fconfigure $fd -blocking 1
        if {[eof $fd]} {
                if {[catch {close $fd}]} {
-                       if {![winfo exists $w]} {console_init $w}
-                       $w.m.s conf -background red -text {Error: Command Failed}
-                       $w.ok conf -state normal
                        set ok 0
-               } elseif {[winfo exists $w]} {
-                       $w.m.s conf -background green -text {Success}
-                       $w.ok conf -state normal
+               } else {
                        set ok 1
                }
-               array unset console_cr $w
-               array unset console_data $w
-               if {$after ne {}} {
-                       uplevel #0 $after $ok
-               }
+               uplevel #0 $after $w $ok
                return
        }
        fconfigure $fd -blocking 0
 }
 
+proc console_chain {cmdlist w {ok 1}} {
+       if {$ok} {
+               if {[llength $cmdlist] == 0} {
+                       console_done $w $ok
+                       return
+               }
+
+               set cmd [lindex $cmdlist 0]
+               set cmdlist [lrange $cmdlist 1 end]
+
+               if {[lindex $cmd 0] eq {console_exec}} {
+                       console_exec $w \
+                               [lindex $cmd 1] \
+                               [list console_chain $cmdlist]
+               } else {
+                       uplevel #0 $cmd $cmdlist $w $ok
+               }
+       } else {
+               console_done $w $ok
+       }
+}
+
+proc console_done {args} {
+       global console_cr console_data
+
+       switch -- [llength $args] {
+       2 {
+               set w [lindex $args 0]
+               set ok [lindex $args 1]
+       }
+       3 {
+               set w [lindex $args 1]
+               set ok [lindex $args 2]
+       }
+       default {
+               error "wrong number of args: console_done ?ignored? w ok"
+       }
+       }
+
+       if {$ok} {
+               if {[winfo exists $w]} {
+                       $w.m.s conf -background green -text {Success}
+                       $w.ok conf -state normal
+               }
+       } else {
+               if {![winfo exists $w]} {
+                       console_init $w
+               }
+               $w.m.s conf -background red -text {Error: Command Failed}
+               $w.ok conf -state normal
+       }
+
+       array unset console_cr $w
+       array unset console_data $w
+}
+
 ######################################################################
 ##
 ## ui commands
@@ -2948,7 +3371,7 @@ proc do_stats {} {
                label $w.stat.v_$name -text $value -anchor w -font font_ui
                grid $w.stat.l_$name $w.stat.v_$name -sticky we -padx {0 5}
        }
-       pack $w.stat
+       pack $w.stat -pady 10 -padx 10
 
        bind $w <Visibility> "grab $w; focus $w"
        bind $w <Key-Escape> [list destroy $w]
@@ -2959,7 +3382,12 @@ proc do_stats {} {
 
 proc do_gc {} {
        set w [new_console {gc} {Compressing the object database}]
-       console_exec $w {git gc}
+       console_chain {
+               {console_exec {git pack-refs --prune}}
+               {console_exec {git reflog expire --all}}
+               {console_exec {git repack -a -d -l}}
+               {console_exec {git rerere gc}}
+       } $w
 }
 
 proc do_fsck_objects {} {
@@ -2969,7 +3397,7 @@ proc do_fsck_objects {} {
        lappend cmd --full
        lappend cmd --cache
        lappend cmd --strict
-       console_exec $w $cmd
+       console_exec $w $cmd console_done
 }
 
 set is_quitting 0
@@ -2984,12 +3412,13 @@ proc do_quit {} {
        #
        set save [gitdir GITGUI_MSG]
        set msg [string trim [$ui_comm get 0.0 end]]
-       if {![string match amend* $commit_type]
-               && [$ui_comm edit modified]
+       regsub -all -line {[ \r\t]+$} $msg {} msg
+       if {(![string match amend* $commit_type]
+               || [$ui_comm edit modified])
                && $msg ne {}} {
                catch {
                        set fd [open $save w]
-                       puts $fd [string trim [$ui_comm get 0.0 end]]
+                       puts -nonewline $fd $msg
                        close $fd
                }
        } else {
@@ -3326,10 +3755,7 @@ proc do_options {} {
        pack $w.buttons.restore -side left
        button $w.buttons.save -text Save \
                -font font_ui \
-               -command "
-                       catch {eval \[bind \[focus -displayof $w\] <FocusOut>\]}
-                       do_save_config $w
-               "
+               -command [list do_save_config $w]
        pack $w.buttons.save -side right
        button $w.buttons.cancel -text {Cancel} \
                -font font_ui \
@@ -3344,61 +3770,59 @@ proc do_options {} {
        pack $w.repo -side left -fill both -expand 1 -pady 5 -padx 5
        pack $w.global -side right -fill both -expand 1 -pady 5 -padx 5
 
+       set optid 0
        foreach option {
-               {b pullsummary {Show Pull Summary}}
-               {b trustmtime  {Trust File Modification Timestamps}}
-               {i diffcontext {Number of Diff Context Lines}}
-               {t newbranchtemplate {New Branch Name Template}}
+               {b merge.summary {Show Merge Summary}}
+               {i-1..5 merge.verbosity {Merge Verbosity}}
+
+               {b gui.trustmtime  {Trust File Modification Timestamps}}
+               {i-1..99 gui.diffcontext {Number of Diff Context Lines}}
+               {t gui.newbranchtemplate {New Branch Name Template}}
                } {
                set type [lindex $option 0]
                set name [lindex $option 1]
                set text [lindex $option 2]
+               incr optid
                foreach f {repo global} {
-                       switch $type {
+                       switch -glob -- $type {
                        b {
-                               checkbutton $w.$f.$name -text $text \
-                                       -variable ${f}_config_new(gui.$name) \
+                               checkbutton $w.$f.$optid -text $text \
+                                       -variable ${f}_config_new($name) \
                                        -onvalue true \
                                        -offvalue false \
                                        -font font_ui
-                               pack $w.$f.$name -side top -anchor w
+                               pack $w.$f.$optid -side top -anchor w
                        }
-                       i {
-                               frame $w.$f.$name
-                               label $w.$f.$name.l -text "$text:" -font font_ui
-                               pack $w.$f.$name.l -side left -anchor w -fill x
-                               spinbox $w.$f.$name.v \
-                                       -textvariable ${f}_config_new(gui.$name) \
-                                       -from 1 -to 99 -increment 1 \
-                                       -width 3 \
+                       i-* {
+                               regexp -- {-(\d+)\.\.(\d+)$} $type _junk min max
+                               frame $w.$f.$optid
+                               label $w.$f.$optid.l -text "$text:" -font font_ui
+                               pack $w.$f.$optid.l -side left -anchor w -fill x
+                               spinbox $w.$f.$optid.v \
+                                       -textvariable ${f}_config_new($name) \
+                                       -from $min \
+                                       -to $max \
+                                       -increment 1 \
+                                       -width [expr {1 + [string length $max]}] \
                                        -font font_ui
-                               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
+                               bind $w.$f.$optid.v <FocusIn> {%W selection range 0 end}
+                               pack $w.$f.$optid.v -side right -anchor e -padx 5
+                               pack $w.$f.$optid -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 \
+                               frame $w.$f.$optid
+                               label $w.$f.$optid.l -text "$text:" -font font_ui
+                               entry $w.$f.$optid.v \
                                        -borderwidth 1 \
                                        -relief sunken \
-                                       -height 1 \
                                        -width 20 \
+                                       -textvariable ${f}_config_new($name) \
                                        -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 \
+                               pack $w.$f.$optid.l -side left -anchor w
+                               pack $w.$f.$optid.v -side left -anchor w \
                                        -fill x -expand 1 \
                                        -padx 5
-                               pack $w.$f.$name -side top -anchor w -fill x
+                               pack $w.$f.$optid -side top -anchor w -fill x
                        }
                        }
                }
@@ -3729,8 +4153,9 @@ proc apply_config {} {
        }
 }
 
+set default_config(merge.summary) true
+set default_config(merge.verbosity) 2
 set default_config(gui.trustmtime) false
-set default_config(gui.pullsummary) true
 set default_config(gui.diffcontext) 5
 set default_config(gui.newbranchtemplate) {}
 set default_config(gui.fontui) [font configure font_ui]
@@ -3756,8 +4181,8 @@ if {!$single_commit} {
 }
 .mbar add cascade -label Commit -menu .mbar.commit
 if {!$single_commit} {
+       .mbar add cascade -label Merge -menu .mbar.merge
        .mbar add cascade -label Fetch -menu .mbar.fetch
-       .mbar add cascade -label Pull -menu .mbar.pull
        .mbar add cascade -label Push -menu .mbar.push
 }
 . configure -menu .mbar
@@ -3769,12 +4194,10 @@ menu .mbar.repository
        -label {Visualize Current Branch} \
        -command {do_gitk {}} \
        -font font_ui
-if {![is_MacOSX]} {
-       .mbar.repository add command \
-               -label {Visualize All Branches} \
-               -command {do_gitk {--all}} \
-               -font font_ui
-}
+.mbar.repository add command \
+       -label {Visualize All Branches} \
+       -command {do_gitk {--all}} \
+       -font font_ui
 .mbar.repository add separator
 
 if {!$single_commit} {
@@ -3933,14 +4356,6 @@ lappend disable_on_lock \
 lappend disable_on_lock \
        [list .mbar.commit entryconf [.mbar.commit index last] -state]
 
-# -- Transport menus
-#
-if {!$single_commit} {
-       menu .mbar.fetch
-       menu .mbar.pull
-       menu .mbar.push
-}
-
 if {[is_MacOSX]} {
        # -- Apple Menu (Mac OS X only)
        #
@@ -4021,6 +4436,28 @@ pack .branch.l1 -side left
 pack .branch.cb -side left -fill x
 pack .branch -side top -fill x
 
+if {!$single_commit} {
+       menu .mbar.merge
+       .mbar.merge add command -label {Local Merge...} \
+               -command do_local_merge \
+               -font font_ui
+       lappend disable_on_lock \
+               [list .mbar.merge entryconf [.mbar.merge index last] -state]
+       .mbar.merge add command -label {Abort Merge...} \
+               -command do_reset_hard \
+               -font font_ui
+       lappend disable_on_lock \
+               [list .mbar.merge entryconf [.mbar.merge index last] -state]
+
+
+       menu .mbar.fetch
+
+       menu .mbar.push
+       .mbar.push add command -label {Push...} \
+               -command do_push_anywhere \
+               -font font_ui
+}
+
 # -- Main Window Layout
 #
 panedwindow .vpane -orient vertical
@@ -4416,6 +4853,7 @@ bind_button3 $ui_diff "
        }
        tk_popup $ctxm %X %Y
 "
+unset ui_diff_applyhunk
 
 # -- Status Bar
 #
@@ -4468,6 +4906,7 @@ bind $ui_diff <Key-Up>     {catch {%W yview scroll -1 units};break}
 bind $ui_diff <Key-Down>   {catch {%W yview scroll  1 units};break}
 bind $ui_diff <Key-Left>   {catch {%W xview scroll -1 units};break}
 bind $ui_diff <Key-Right>  {catch {%W xview scroll  1 units};break}
+bind $ui_diff <Button-1>   {focus %W}
 
 if {!$single_commit} {
        bind . <$M1B-Key-n> do_create_branch
@@ -4571,9 +5010,8 @@ if {!$single_commit} {
        load_all_heads
 
        populate_branch_menu
-       populate_fetch_menu .mbar.fetch
-       populate_pull_menu .mbar.pull
-       populate_push_menu .mbar.push
+       populate_fetch_menu
+       populate_push_menu
 }
 
 # -- Only suggest a gc run if we are going to stay running.