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 $top [append "[appname] ([reponame]): " [mc "Delete Remote Branch"]]
  30         if {$top ne {.}} {
  31                 wm geometry $top "+[winfo rootx .]+[winfo rooty .]"
  32         }
  33
  34         label $w.header -text [mc "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 [mc Delete] \
  39                 -default active \
  40                 -command [cb _delete]
  41         pack $w.buttons.delete -side right
  42         button $w.buttons.cancel -text [mc "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 $w.dest -text [mc "From Repository"]
  48         if {$all_remotes ne {}} {
  49                 radiobutton $w.dest.remote_r \
  50                         -text [mc "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 [mc "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 [mc "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 [mc "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 [mc "Delete Only If"]
 110         radiobutton $w.validate.head_r \
 111                 -text [mc "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 [mc "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 [mc "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 [mc "The following branches are not completely merged into %s:
 185
 186  - %s" $check_head [join $not_merged "\n - "]]
 187
 188                 if {$need_fetch} {
 189                         append msg "\n\n" [mc "One or more of the merge tests failed because you have not fetched the necessary commits.  Try fetching from %s first." $uri]
 190                 }
 191
 192                 tk_messageBox \
 193                         -icon info \
 194                         -type ok \
 195                         -title [wm title $w] \
 196                         -parent $w \
 197                         -message $msg
 198                 if {!$have_selection} return
 199         }
 200
 201         if {!$have_selection} {
 202                 tk_messageBox \
 203                         -icon error \
 204                         -type ok \
 205                         -title [wm title $w] \
 206                         -parent $w \
 207                         -message [mc "Please select one or more branches to delete."]
 208                 return
 209         }
 210
 211         if {[tk_messageBox \
 212                 -icon warning \
 213                 -type yesno \
 214                 -title [wm title $w] \
 215                 -parent $w \
 216                 -message [mc "Recovering deleted branches is difficult.
 217
 218 Delete the selected branches?"]] ne yes} {
 219                 return
 220         }
 221
 222         destroy $w
 223
 224         set cons [console::new \
 225                 "push $uri" \
 226                 [mc "Deleting branches from %s" $uri]]
 227         console::exec $cons $push_cmd
 228 }
 229
 230 method _rescan {{force 1}} {
 231         switch $urltype {
 232         remote {set uri $remote}
 233         url    {set uri $url}
 234         }
 235
 236         if {$force} {
 237                 unset -nocomplain cached($urltype:$uri)
 238         }
 239
 240         if {$idle_id ne {}} {
 241                 after cancel $idle_id
 242                 set idle_id {}
 243         }
 244
 245         _load $this $urltype:$uri $uri
 246 }
 247
 248 method _write_remote     {args} { set urltype remote }
 249 method _write_url        {args} { set urltype url    }
 250 method _write_check_head {args} { set checktype head }
 251
 252 method _write_head_list {args} {
 253         $head_m delete 0 end
 254         foreach abr $head_list {
 255                 $head_m insert end radiobutton \
 256                         -label $abr \
 257                         -value $abr \
 258                         -variable @check_head
 259         }
 260         if {[lsearch -exact -sorted $head_list $check_head] < 0} {
 261                 set check_head {}
 262         }
 263 }
 264
 265 method _write_urltype {args} {
 266         if {$urltype eq {url}} {
 267                 if {$idle_id ne {}} {
 268                         after cancel $idle_id
 269                 }
 270                 _load $this none: {}
 271                 set idle_id [after 1000 [cb _rescan 0]]
 272         } else {
 273                 _rescan $this 0
 274         }
 275 }
 276
 277 method _load {cache uri} {
 278         if {$active_ls ne {}} {
 279                 catch {close $active_ls}
 280         }
 281
 282         if {$uri eq {}} {
 283                 $w.heads.l conf -state disabled
 284                 set head_list [list]
 285                 set full_list [list]
 286                 set status [mc "No repository selected."]
 287                 return
 288         }
 289
 290         if {[catch {set x $cached($cache)}]} {
 291                 set status [mc "Scanning %s..." $uri]
 292                 $w.heads.l conf -state disabled
 293                 set head_list [list]
 294                 set full_list [list]
 295                 set head_cache($cache) [list]
 296                 set full_cache($cache) [list]
 297                 set active_ls [git_read ls-remote $uri]
 298                 fconfigure $active_ls \
 299                         -blocking 0 \
 300                         -translation lf \
 301                         -encoding utf-8
 302                 fileevent $active_ls readable [cb _read $cache $active_ls]
 303         } else {
 304                 set status {}
 305                 set full_list $full_cache($cache)
 306                 set head_list $head_cache($cache)
 307                 $w.heads.l conf -state normal
 308         }
 309 }
 310
 311 method _read {cache fd} {
 312         if {$fd ne $active_ls} {
 313                 catch {close $fd}
 314                 return
 315         }
 316
 317         while {[gets $fd line] >= 0} {
 318                 if {[string match {*^{}} $line]} continue
 319                 if {[regexp {^([0-9a-f]{40})    (.*)$} $line _junk obj ref]} {
 320                         if {[regsub ^refs/heads/ $ref {} abr]} {
 321                                 lappend head_list $abr
 322                                 lappend head_cache($cache) $abr
 323                                 lappend full_list $ref
 324                                 lappend full_cache($cache) $ref
 325                                 set full_cache("$cache\n$ref") $obj
 326                         }
 327                 }
 328         }
 329
 330         if {[eof $fd]} {
 331                 if {[catch {close $fd} err]} {
 332                         set status $err
 333                         set head_list [list]
 334                         set full_list [list]
 335                 } else {
 336                         set status {}
 337                         set cached($cache) 1
 338                         $w.heads.l conf -state normal
 339                 }
 340         }
 341 } ifdeleted {
 342         catch {close $fd}
 343 }
 344
 345 }