git-gui/lib/remote_branch_delete.tcl

   1 # git-gui remote branch deleting support
   2 # Copyright (C) 2007 Shawn Pearce
   3
   4 class remote_branch_delete {
   5
   6 field w
   7 field head_m
   8
   9 field urltype   {url}
  10 field remote    {}
  11 field url       {}
  12
  13 field checktype  {head}
  14 field check_head {}
  15
  16 field status    {}
  17 field idle_id   {}
  18 field full_list {}
  19 field head_list {}
  20 field active_ls {}
  21 field head_cache
  22 field full_cache
  23 field cached
  24
  25 constructor dialog {} {
  26         global all_remotes M1B
  27
  28         make_toplevel top w
  29         wm title $top "[appname] ([reponame]): Delete Remote Branch"
  30         if {$top ne {.}} {
  31                 wm geometry $top "+[winfo rootx .]+[winfo rooty .]"
  32         }
  33
  34         label $w.header -text {Delete Remote Branch} -font font_uibold
  35         pack $w.header -side top -fill x
  36
  37         frame $w.buttons
  38         button $w.buttons.delete -text Delete \
  39                 -default active \
  40                 -command [cb _delete]
  41         pack $w.buttons.delete -side right
  42         button $w.buttons.cancel -text {Cancel} \
  43                 -command [list destroy $w]
  44         pack $w.buttons.cancel -side right -padx 5
  45         pack $w.buttons -side bottom -fill x -pady 10 -padx 10
  46
  47         labelframe $w.dest -text {From Repository}
  48         if {$all_remotes ne {}} {
  49                 radiobutton $w.dest.remote_r \
  50                         -text {Remote:} \
  51                         -value remote \
  52                         -variable @urltype
  53                 eval tk_optionMenu $w.dest.remote_m @remote $all_remotes
  54                 grid $w.dest.remote_r $w.dest.remote_m -sticky w
  55                 if {[lsearch -sorted -exact $all_remotes origin] != -1} {
  56                         set remote origin
  57                 } else {
  58                         set remote [lindex $all_remotes 0]
  59                 }
  60                 set urltype remote
  61                 trace add variable @remote write [cb _write_remote]
  62         } else {
  63                 set urltype url
  64         }
  65         radiobutton $w.dest.url_r \
  66                 -text {Arbitrary URL:} \
  67                 -value url \
  68                 -variable @urltype
  69         entry $w.dest.url_t \
  70                 -borderwidth 1 \
  71                 -relief sunken \
  72                 -width 50 \
  73                 -textvariable @url \
  74                 -validate key \
  75                 -validatecommand {
  76                         if {%d == 1 && [regexp {\s} %S]} {return 0}
  77                         return 1
  78                 }
  79         trace add variable @url write [cb _write_url]
  80         grid $w.dest.url_r $w.dest.url_t -sticky we -padx {0 5}
  81         grid columnconfigure $w.dest 1 -weight 1
  82         pack $w.dest -anchor nw -fill x -pady 5 -padx 5
  83
  84         labelframe $w.heads -text {Branches}
  85         listbox $w.heads.l \
  86                 -height 10 \
  87                 -width 70 \
  88                 -listvariable @head_list \
  89                 -selectmode extended \
  90                 -yscrollcommand [list $w.heads.sby set]
  91         scrollbar $w.heads.sby -command [list $w.heads.l yview]
  92
  93         frame $w.heads.footer
  94         label $w.heads.footer.status \
  95                 -textvariable @status \
  96                 -anchor w \
  97                 -justify left
  98         button $w.heads.footer.rescan \
  99                 -text {Rescan} \
 100                 -command [cb _rescan]
 101         pack $w.heads.footer.status -side left -fill x -expand 1
 102         pack $w.heads.footer.rescan -side right
 103
 104         pack $w.heads.footer -side bottom -fill x -expand 1
 105         pack $w.heads.sby -side right -fill y
 106         pack $w.heads.l -side left -fill both -expand 1
 107         pack $w.heads -fill both -expand 1 -pady 5 -padx 5
 108
 109         labelframe $w.validate -text {Delete Only If}
 110         radiobutton $w.validate.head_r \
 111                 -text {Merged Into:} \
 112                 -value head \
 113                 -variable @checktype
 114         set head_m [tk_optionMenu $w.validate.head_m @check_head {}]
 115         trace add variable @head_list write [cb _write_head_list]
 116         trace add variable @check_head write [cb _write_check_head]
 117         grid $w.validate.head_r $w.validate.head_m -sticky w
 118         radiobutton $w.validate.always_r \
 119                 -text {Always (Do not perform merge checks)} \
 120                 -value always \
 121                 -variable @checktype
 122         grid $w.validate.always_r -columnspan 2 -sticky w
 123         grid columnconfigure $w.validate 1 -weight 1
 124         pack $w.validate -anchor nw -fill x -pady 5 -padx 5
 125
 126         trace add variable @urltype write [cb _write_urltype]
 127         _rescan $this
 128
 129         bind $w <Key-F5>     [cb _rescan]
 130         bind $w <$M1B-Key-r> [cb _rescan]
 131         bind $w <$M1B-Key-R> [cb _rescan]
 132         bind $w <Key-Return> [cb _delete]
 133         bind $w <Key-Escape> [list destroy $w]
 134         bind $w.header <Destroy> [list delete_this $this]
 135         return $w
 136 }
 137
 138 method _delete {} {
 139         switch $urltype {
 140         remote {set uri $remote}
 141         url    {set uri $url}
 142         }
 143
 144         set cache $urltype:$uri
 145         set crev {}
 146         if {$checktype eq {head}} {
 147                 if {$check_head eq {}} {
 148                         tk_messageBox \
 149                                 -icon error \
 150                                 -type ok \
 151                                 -title [wm title $w] \
 152                                 -parent $w \
 153                                 -message "A branch is required for 'Merged Into'."
 154                         return
 155                 }
 156                 set crev $full_cache("$cache\nrefs/heads/$check_head")
 157         }
 158
 159         set not_merged [list]
 160         set need_fetch 0
 161         set have_selection 0
 162         set push_cmd [list git push]
 163         lappend push_cmd -v
 164         lappend push_cmd $uri
 165
 166         foreach i [$w.heads.l curselection] {
 167                 set ref [lindex $full_list $i]
 168                 if {$crev ne {}} {
 169                         set obj $full_cache("$cache\n$ref")
 170                         if {[catch {set m [git merge-base $obj $crev]}]} {
 171                                 set need_fetch 1
 172                                 set m {}
 173                         }
 174                         if {$obj ne $m} {
 175                                 lappend not_merged [lindex $head_list $i]
 176                                 continue
 177                         }
 178                 }
 179
 180                 lappend push_cmd :$ref
 181                 set have_selection 1
 182         }
 183
 184         if {$not_merged ne {}} {
 185                 set msg "The following branches are not completely merged into $check_head:
 186
 187  - [join $not_merged "\n - "]"
 188
 189                 if {$need_fetch} {
 190                         append msg "
 191
 192 One or more of the merge tests failed because you have not fetched the necessary commits.  Try fetching from $uri first."
 193                 }
 194
 195                 tk_messageBox \
 196                         -icon info \
 197                         -type ok \
 198                         -title [wm title $w] \
 199                         -parent $w \
 200                         -message $msg
 201                 if {!$have_selection} return
 202         }
 203
 204         if {!$have_selection} {
 205                 tk_messageBox \
 206                         -icon error \
 207                         -type ok \
 208                         -title [wm title $w] \
 209                         -parent $w \
 210                         -message "Please select one or more branches to delete."
 211                 return
 212         }
 213
 214         if {[tk_messageBox \
 215                 -icon warning \
 216                 -type yesno \
 217                 -title [wm title $w] \
 218                 -parent $w \
 219                 -message {Recovering deleted branches is difficult.
 220
 221 Delete the selected branches?}] ne yes} {
 222                 return
 223         }
 224
 225         destroy $w
 226
 227         set cons [console::new \
 228                 "push $uri" \
 229                 "Deleting branches from $uri"]
 230         console::exec $cons $push_cmd
 231 }
 232
 233 method _rescan {{force 1}} {
 234         switch $urltype {
 235         remote {set uri $remote}
 236         url    {set uri $url}
 237         }
 238
 239         if {$force} {
 240                 unset -nocomplain cached($urltype:$uri)
 241         }
 242
 243         if {$idle_id ne {}} {
 244                 after cancel $idle_id
 245                 set idle_id {}
 246         }
 247
 248         _load $this $urltype:$uri $uri
 249 }
 250
 251 method _write_remote     {args} { set urltype remote }
 252 method _write_url        {args} { set urltype url    }
 253 method _write_check_head {args} { set checktype head }
 254
 255 method _write_head_list {args} {
 256         $head_m delete 0 end
 257         foreach abr $head_list {
 258                 $head_m insert end radiobutton \
 259                         -label $abr \
 260                         -value $abr \
 261                         -variable @check_head
 262         }
 263         if {[lsearch -exact -sorted $head_list $check_head] < 0} {
 264                 set check_head {}
 265         }
 266 }
 267
 268 method _write_urltype {args} {
 269         if {$urltype eq {url}} {
 270                 if {$idle_id ne {}} {
 271                         after cancel $idle_id
 272                 }
 273                 _load $this none: {}
 274                 set idle_id [after 1000 [cb _rescan 0]]
 275         } else {
 276                 _rescan $this 0
 277         }
 278 }
 279
 280 method _load {cache uri} {
 281         if {$active_ls ne {}} {
 282                 catch {close $active_ls}
 283         }
 284
 285         if {$uri eq {}} {
 286                 $w.heads.l conf -state disabled
 287                 set head_list [list]
 288                 set full_list [list]
 289                 set status {No repository selected.}
 290                 return
 291         }
 292
 293         if {[catch {set x $cached($cache)}]} {
 294                 set status "Scanning $uri..."
 295                 $w.heads.l conf -state disabled
 296                 set head_list [list]
 297                 set full_list [list]
 298                 set head_cache($cache) [list]
 299                 set full_cache($cache) [list]
 300                 set active_ls [open "| [list git ls-remote $uri]" r]
 301                 fconfigure $active_ls \
 302                         -blocking 0 \
 303                         -translation lf \
 304                         -encoding utf-8
 305                 fileevent $active_ls readable [cb _read $cache $active_ls]
 306         } else {
 307                 set status {}
 308                 set full_list $full_cache($cache)
 309                 set head_list $head_cache($cache)
 310                 $w.heads.l conf -state normal
 311         }
 312 }
 313
 314 method _read {cache fd} {
 315         if {$fd ne $active_ls} {
 316                 catch {close $fd}
 317                 return
 318         }
 319
 320         while {[gets $fd line] >= 0} {
 321                 if {[string match {*^{}} $line]} continue
 322                 if {[regexp {^([0-9a-f]{40})    (.*)$} $line _junk obj ref]} {
 323                         if {[regsub ^refs/heads/ $ref {} abr]} {
 324                                 lappend head_list $abr
 325                                 lappend head_cache($cache) $abr
 326                                 lappend full_list $ref
 327                                 lappend full_cache($cache) $ref
 328                                 set full_cache("$cache\n$ref") $obj
 329                         }
 330                 }
 331         }
 332
 333         if {[eof $fd]} {
 334                 if {[catch {close $fd} err]} {
 335                         set status $err
 336                         set head_list [list]
 337                         set full_list [list]
 338                 } else {
 339                         set status {}
 340                         set cached($cache) 1
 341                         $w.heads.l conf -state normal
 342                 }
 343         }
 344 } ifdeleted {
 345         catch {close $fd}
 346 }
 347
 348 }