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
 102         pack $w.heads.footer.rescan -side right
 103
 104         pack $w.heads.footer -side bottom -fill x
 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         return $w
 135 }
 136
 137 method _delete {} {
 138         switch $urltype {
 139         remote {set uri $remote}
 140         url    {set uri $url}
 141         }
 142
 143         set cache $urltype:$uri
 144         set crev {}
 145         if {$checktype eq {head}} {
 146                 if {$check_head eq {}} {
 147                         tk_messageBox \
 148                                 -icon error \
 149                                 -type ok \
 150                                 -title [wm title $w] \
 151                                 -parent $w \
 152                                 -message "A branch is required for 'Merged Into'."
 153                         return
 154                 }
 155                 set crev $full_cache("$cache\nrefs/heads/$check_head")
 156         }
 157
 158         set not_merged [list]
 159         set need_fetch 0
 160         set have_selection 0
 161         set push_cmd [list git push]
 162         lappend push_cmd -v
 163         lappend push_cmd $uri
 164
 165         foreach i [$w.heads.l curselection] {
 166                 set ref [lindex $full_list $i]
 167                 if {$crev ne {}} {
 168                         set obj $full_cache("$cache\n$ref")
 169                         if {[catch {set m [git merge-base $obj $crev]}]} {
 170                                 set need_fetch 1
 171                                 set m {}
 172                         }
 173                         if {$obj ne $m} {
 174                                 lappend not_merged [lindex $head_list $i]
 175                                 continue
 176                         }
 177                 }
 178
 179                 lappend push_cmd :$ref
 180                 set have_selection 1
 181         }
 182
 183         if {$not_merged ne {}} {
 184                 set msg "The following branches are not completely merged into $check_head:
 185
 186  - [join $not_merged "\n - "]"
 187
 188                 if {$need_fetch} {
 189                         append msg "
 190
 191 One or more of the merge tests failed because you have not fetched the necessary commits.  Try fetching from $uri first."
 192                 }
 193
 194                 tk_messageBox \
 195                         -icon info \
 196                         -type ok \
 197                         -title [wm title $w] \
 198                         -parent $w \
 199                         -message $msg
 200                 if {!$have_selection} return
 201         }
 202
 203         if {!$have_selection} {
 204                 tk_messageBox \
 205                         -icon error \
 206                         -type ok \
 207                         -title [wm title $w] \
 208                         -parent $w \
 209                         -message "Please select one or more branches to delete."
 210                 return
 211         }
 212
 213         if {[tk_messageBox \
 214                 -icon warning \
 215                 -type yesno \
 216                 -title [wm title $w] \
 217                 -parent $w \
 218                 -message {Recovering deleted branches is difficult.
 219
 220 Delete the selected branches?}] ne yes} {
 221                 return
 222         }
 223
 224         destroy $w
 225
 226         set cons [console::new \
 227                 "push $uri" \
 228                 "Deleting branches from $uri"]
 229         console::exec $cons $push_cmd
 230 }
 231
 232 method _rescan {{force 1}} {
 233         switch $urltype {
 234         remote {set uri $remote}
 235         url    {set uri $url}
 236         }
 237
 238         if {$force} {
 239                 unset -nocomplain cached($urltype:$uri)
 240         }
 241
 242         if {$idle_id ne {}} {
 243                 after cancel $idle_id
 244                 set idle_id {}
 245         }
 246
 247         _load $this $urltype:$uri $uri
 248 }
 249
 250 method _write_remote     {args} { set urltype remote }
 251 method _write_url        {args} { set urltype url    }
 252 method _write_check_head {args} { set checktype head }
 253
 254 method _write_head_list {args} {
 255         $head_m delete 0 end
 256         foreach abr $head_list {
 257                 $head_m insert end radiobutton \
 258                         -label $abr \
 259                         -value $abr \
 260                         -variable @check_head
 261         }
 262         if {[lsearch -exact -sorted $head_list $check_head] < 0} {
 263                 set check_head {}
 264         }
 265 }
 266
 267 method _write_urltype {args} {
 268         if {$urltype eq {url}} {
 269                 if {$idle_id ne {}} {
 270                         after cancel $idle_id
 271                 }
 272                 _load $this none: {}
 273                 set idle_id [after 1000 [cb _rescan 0]]
 274         } else {
 275                 _rescan $this 0
 276         }
 277 }
 278
 279 method _load {cache uri} {
 280         if {$active_ls ne {}} {
 281                 catch {close $active_ls}
 282         }
 283
 284         if {$uri eq {}} {
 285                 $w.heads.l conf -state disabled
 286                 set head_list [list]
 287                 set full_list [list]
 288                 set status {No repository selected.}
 289                 return
 290         }
 291
 292         if {[catch {set x $cached($cache)}]} {
 293                 set status "Scanning $uri..."
 294                 $w.heads.l conf -state disabled
 295                 set head_list [list]
 296                 set full_list [list]
 297                 set head_cache($cache) [list]
 298                 set full_cache($cache) [list]
 299                 set active_ls [git_read ls-remote $uri]
 300                 fconfigure $active_ls \
 301                         -blocking 0 \
 302                         -translation lf \
 303                         -encoding utf-8
 304                 fileevent $active_ls readable [cb _read $cache $active_ls]
 305         } else {
 306                 set status {}
 307                 set full_list $full_cache($cache)
 308                 set head_list $head_cache($cache)
 309                 $w.heads.l conf -state normal
 310         }
 311 }
 312
 313 method _read {cache fd} {
 314         if {$fd ne $active_ls} {
 315                 catch {close $fd}
 316                 return
 317         }
 318
 319         while {[gets $fd line] >= 0} {
 320                 if {[string match {*^{}} $line]} continue
 321                 if {[regexp {^([0-9a-f]{40})    (.*)$} $line _junk obj ref]} {
 322                         if {[regsub ^refs/heads/ $ref {} abr]} {
 323                                 lappend head_list $abr
 324                                 lappend head_cache($cache) $abr
 325                                 lappend full_list $ref
 326                                 lappend full_cache($cache) $ref
 327                                 set full_cache("$cache\n$ref") $obj
 328                         }
 329                 }
 330         }
 331
 332         if {[eof $fd]} {
 333                 if {[catch {close $fd} err]} {
 334                         set status $err
 335                         set head_list [list]
 336                         set full_list [list]
 337                 } else {
 338                         set status {}
 339                         set cached($cache) 1
 340                         $w.heads.l conf -state normal
 341                 }
 342         }
 343 } ifdeleted {
 344         catch {close $fd}
 345 }
 346
 347 }