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
  20
  21         make_toplevel top w
  22         wm title $top "[appname] ([reponame]): Create Branch"
  23         if {$top ne {.}} {
  24                 wm geometry $top "+[winfo rootx .]+[winfo rooty .]"
  25         }
  26
  27         label $w.header -text {Create New Branch} -font font_uibold
  28         pack $w.header -side top -fill x
  29
  30         frame $w.buttons
  31         button $w.buttons.create -text Create \
  32                 -default active \
  33                 -command [cb _create]
  34         pack $w.buttons.create -side right
  35         button $w.buttons.cancel -text {Cancel} \
  36                 -command [list destroy $w]
  37         pack $w.buttons.cancel -side right -padx 5
  38         pack $w.buttons -side bottom -fill x -pady 10 -padx 10
  39
  40         labelframe $w.desc -text {Branch Name}
  41         radiobutton $w.desc.name_r \
  42                 -anchor w \
  43                 -text {Name:} \
  44                 -value user \
  45                 -variable @name_type
  46         set w_name $w.desc.name_t
  47         entry $w_name \
  48                 -borderwidth 1 \
  49                 -relief sunken \
  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         radiobutton $w.desc.match_r \
  57                 -anchor w \
  58                 -text {Match Tracking Branch Name} \
  59                 -value match \
  60                 -variable @name_type
  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 {Starting Revision}]
  67         pack $w.rev -anchor nw -fill both -expand 1 -pady 5 -padx 5
  68
  69         labelframe $w.options -text {Options}
  70
  71         frame $w.options.merge
  72         label $w.options.merge.l -text {Update Existing Branch:}
  73         pack $w.options.merge.l -side left
  74         radiobutton $w.options.merge.no \
  75                 -text No \
  76                 -value none \
  77                 -variable @opt_merge
  78         pack $w.options.merge.no -side left
  79         radiobutton $w.options.merge.ff \
  80                 -text {Fast Forward Only} \
  81                 -value ff \
  82                 -variable @opt_merge
  83         pack $w.options.merge.ff -side left
  84         radiobutton $w.options.merge.reset \
  85                 -text {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         checkbutton $w.options.fetch \
  92                 -text {Fetch Tracking Branch} \
  93                 -variable @opt_fetch
  94         pack $w.options.fetch -anchor nw
  95
  96         checkbutton $w.options.checkout \
  97                 -text {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         tkwait window $w
 113 }
 114
 115 method _create {} {
 116         global repo_config
 117         global M1B
 118
 119         set spec [$w_rev get_tracking_branch]
 120         switch -- $name_type {
 121         user {
 122                 set newbranch $name
 123         }
 124         match {
 125                 if {$spec eq {}} {
 126                         tk_messageBox \
 127                                 -icon error \
 128                                 -type ok \
 129                                 -title [wm title $w] \
 130                                 -parent $w \
 131                                 -message "Please select a tracking branch."
 132                         return
 133                 }
 134                 if {![regsub ^refs/heads/ [lindex $spec 2] {} newbranch]} {
 135                         tk_messageBox \
 136                                 -icon error \
 137                                 -type ok \
 138                                 -title [wm title $w] \
 139                                 -parent $w \
 140                                 -message "Tracking branch [$w get] is not a branch in the remote repository."
 141                         return
 142                 }
 143         }
 144         }
 145
 146         if {$newbranch eq {}
 147                 || $newbranch eq $repo_config(gui.newbranchtemplate)} {
 148                 tk_messageBox \
 149                         -icon error \
 150                         -type ok \
 151                         -title [wm title $w] \
 152                         -parent $w \
 153                         -message "Please supply a branch name."
 154                 focus $w_name
 155                 return
 156         }
 157
 158         if {[catch {git check-ref-format "heads/$newbranch"}]} {
 159                 tk_messageBox \
 160                         -icon error \
 161                         -type ok \
 162                         -title [wm title $w] \
 163                         -parent $w \
 164                         -message "'$newbranch' is not an acceptable branch name."
 165                 focus $w_name
 166                 return
 167         }
 168
 169         if {$spec ne {} && $opt_fetch} {
 170                 set new {}
 171         } elseif {[catch {set new [$w_rev commit_or_die]}]} {
 172                 return
 173         }
 174
 175         set co [::checkout_op::new \
 176                 [$w_rev get] \
 177                 $new \
 178                 refs/heads/$newbranch]
 179         $co parent $w
 180         $co enable_create   1
 181         $co enable_merge    $opt_merge
 182         $co enable_checkout $opt_checkout
 183         if {$spec ne {} && $opt_fetch} {
 184                 $co enable_fetch $spec
 185         }
 186
 187         if {[$co run]} {
 188                 destroy $w
 189         } else {
 190                 focus $w_name
 191         }
 192 }
 193
 194 method _validate {d S} {
 195         if {$d == 1} {
 196                 if {[regexp {[~^:?*\[\0- ]} $S]} {
 197                         return 0
 198                 }
 199                 if {[string length $S] > 0} {
 200                         set name_type user
 201                 }
 202         }
 203         return 1
 204 }
 205
 206 method _select {args} {
 207         if {$name_type eq {match}} {
 208                 $w_rev pick_tracking_branch
 209         }
 210 }
 211
 212 method _visible {} {
 213         grab $w
 214         if {$name_type eq {user}} {
 215                 $w_name icursor end
 216                 focus $w_name
 217         }
 218 }
 219
 220 }