git-gui/lib/branch_create.tcl

   1 # git-gui branch create support
   2 # Copyright (C) 2006, 2007 Shawn Pearce
   3
   4 class branch_create {
   5
   6 field w              ; # widget path
   7 field w_rev          ; # mega-widget to pick the initial revision
   8 field w_name         ; # new branch name widget
   9
  10 field name         {}; # name of the branch the user has chosen
  11 field name_type  user; # type of branch name to use
  12
  13 field opt_merge    ff; # type of merge to apply to existing branch
  14 field opt_checkout  1; # automatically checkout the new branch?
  15 field opt_fetch     1; # refetch tracking branch if used?
  16 field reset_ok      0; # did the user agree to reset?
  17
  18 constructor dialog {} {
  19         global repo_config use_ttk NS
  20
  21         make_dialog top w
  22         wm withdraw $w
  23         wm title $top [mc "%s (%s): Create Branch" [appname] [reponame]]
  24         if {$top ne {.}} {
  25                 wm geometry $top "+[winfo rootx .]+[winfo rooty .]"
  26         }
  27
  28         ${NS}::label $w.header -text [mc "Create New Branch"] \
  29                 -font font_uibold -anchor center
  30         pack $w.header -side top -fill x
  31
  32         ${NS}::frame $w.buttons
  33         ${NS}::button $w.buttons.create -text [mc Create] \
  34                 -default active \
  35                 -command [cb _create]
  36         pack $w.buttons.create -side right
  37         ${NS}::button $w.buttons.cancel -text [mc Cancel] \
  38                 -command [list destroy $w]
  39         pack $w.buttons.cancel -side right -padx 5
  40         pack $w.buttons -side bottom -fill x -pady 10 -padx 10
  41
  42         ${NS}::labelframe $w.desc -text [mc "Branch Name"]
  43         ${NS}::radiobutton $w.desc.name_r \
  44                 -text [mc "Name:"] \
  45                 -value user \
  46                 -variable @name_type
  47         if {!$use_ttk} {$w.desc.name_r configure -anchor w}
  48         set w_name $w.desc.name_t
  49         ${NS}::entry $w_name \
  50                 -width 40 \
  51                 -textvariable @name \
  52                 -validate key \
  53                 -validatecommand [cb _validate %d %S]
  54         grid $w.desc.name_r $w_name -sticky we -padx {0 5}
  55
  56         ${NS}::radiobutton $w.desc.match_r \
  57                 -text [mc "Match Tracking Branch Name"] \
  58                 -value match \
  59                 -variable @name_type
  60         if {!$use_ttk} {$w.desc.match_r configure -anchor w}
  61         grid $w.desc.match_r -sticky we -padx {0 5} -columnspan 2
  62
  63         grid columnconfigure $w.desc 1 -weight 1
  64         pack $w.desc -anchor nw -fill x -pady 5 -padx 5
  65
  66         set w_rev [::choose_rev::new $w.rev [mc "Starting Revision"]]
  67         pack $w.rev -anchor nw -fill both -expand 1 -pady 5 -padx 5
  68
  69         ${NS}::labelframe $w.options -text [mc Options]
  70
  71         ${NS}::frame $w.options.merge
  72         ${NS}::label $w.options.merge.l -text [mc "Update Existing Branch:"]
  73         pack $w.options.merge.l -side left
  74         ${NS}::radiobutton $w.options.merge.no \
  75                 -text [mc No] \
  76                 -value none \
  77                 -variable @opt_merge
  78         pack $w.options.merge.no -side left
  79         ${NS}::radiobutton $w.options.merge.ff \
  80                 -text [mc "Fast Forward Only"] \
  81                 -value ff \
  82                 -variable @opt_merge
  83         pack $w.options.merge.ff -side left
  84         ${NS}::radiobutton $w.options.merge.reset \
  85                 -text [mc Reset] \
  86                 -value reset \
  87                 -variable @opt_merge
  88         pack $w.options.merge.reset -side left
  89         pack $w.options.merge -anchor nw
  90
  91         ${NS}::checkbutton $w.options.fetch \
  92                 -text [mc "Fetch Tracking Branch"] \
  93                 -variable @opt_fetch
  94         pack $w.options.fetch -anchor nw
  95
  96         ${NS}::checkbutton $w.options.checkout \
  97                 -text [mc "Checkout After Creation"] \
  98                 -variable @opt_checkout
  99         pack $w.options.checkout -anchor nw
 100         pack $w.options -anchor nw -fill x -pady 5 -padx 5
 101
 102         trace add variable @name_type write [cb _select]
 103
 104         set name $repo_config(gui.newbranchtemplate)
 105         if {[is_config_true gui.matchtrackingbranch]} {
 106                 set name_type match
 107         }
 108
 109         bind $w <Visibility> [cb _visible]
 110         bind $w <Key-Escape> [list destroy $w]
 111         bind $w <Key-Return> [cb _create]\;break
 112         wm deiconify $w
 113         tkwait window $w
 114 }
 115
 116 method _create {} {
 117         global repo_config
 118         global M1B
 119
 120         set spec [$w_rev get_tracking_branch]
 121         switch -- $name_type {
 122         user {
 123                 set newbranch $name
 124         }
 125         match {
 126                 if {$spec eq {}} {
 127                         tk_messageBox \
 128                                 -icon error \
 129                                 -type ok \
 130                                 -title [wm title $w] \
 131                                 -parent $w \
 132                                 -message [mc "Please select a tracking branch."]
 133                         return
 134                 }
 135                 if {![regsub ^refs/heads/ [lindex $spec 2] {} newbranch]} {
 136                         tk_messageBox \
 137                                 -icon error \
 138                                 -type ok \
 139                                 -title [wm title $w] \
 140                                 -parent $w \
 141                                 -message [mc "Tracking branch %s is not a branch in the remote repository." [$w get]]
 142                         return
 143                 }
 144         }
 145         }
 146
 147         if {$newbranch eq {}
 148                 || $newbranch eq $repo_config(gui.newbranchtemplate)} {
 149                 tk_messageBox \
 150                         -icon error \
 151                         -type ok \
 152                         -title [wm title $w] \
 153                         -parent $w \
 154                         -message [mc "Please supply a branch name."]
 155                 focus $w_name
 156                 return
 157         }
 158
 159         if {[catch {git check-ref-format "heads/$newbranch"}]} {
 160                 tk_messageBox \
 161                         -icon error \
 162                         -type ok \
 163                         -title [wm title $w] \
 164                         -parent $w \
 165                         -message [mc "'%s' is not an acceptable branch name." $newbranch]
 166                 focus $w_name
 167                 return
 168         }
 169
 170         if {$spec ne {} && $opt_fetch} {
 171                 set new {}
 172         } elseif {[catch {set new [$w_rev commit_or_die]}]} {
 173                 return
 174         }
 175
 176         set co [::checkout_op::new \
 177                 [$w_rev get] \
 178                 $new \
 179                 refs/heads/$newbranch]
 180         $co parent $w
 181         $co enable_create   1
 182         $co enable_merge    $opt_merge
 183         $co enable_checkout $opt_checkout
 184         if {$spec ne {} && $opt_fetch} {
 185                 $co enable_fetch $spec
 186         }
 187         if {$spec ne {}} {
 188                 $co remote_source $spec
 189         }
 190
 191         if {[$co run]} {
 192                 destroy $w
 193         } else {
 194                 focus $w_name
 195         }
 196 }
 197
 198 method _validate {d S} {
 199         if {$d == 1} {
 200                 if {[regexp {[~^:?*\[\0- ]} $S]} {
 201                         return 0
 202                 }
 203                 if {[string length $S] > 0} {
 204                         set name_type user
 205                 }
 206         }
 207         return 1
 208 }
 209
 210 method _select {args} {
 211         if {$name_type eq {match}} {
 212                 $w_rev pick_tracking_branch
 213         }
 214 }
 215
 216 method _visible {} {
 217         grab $w
 218         if {$name_type eq {user}} {
 219                 $w_name icursor end
 220                 focus $w_name
 221         }
 222 }
 223
 224 }