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 use_ttk NS
  27
  28         make_dialog top w
  29         wm title $top [mc "%s (%s): Delete Branch Remotely" [appname] [reponame]]
  30         if {$top ne {.}} {
  31                 wm geometry $top "+[winfo rootx .]+[winfo rooty .]"
  32         }
  33
  34         ${NS}::label $w.header -text [mc "Delete Branch Remotely"] \
  35                 -font font_uibold -anchor center
  36         pack $w.header -side top -fill x
  37
  38         ${NS}::frame $w.buttons
  39         ${NS}::button $w.buttons.delete -text [mc Delete] \
  40                 -default active \
  41                 -command [cb _delete]
  42         pack $w.buttons.delete -side right
  43         ${NS}::button $w.buttons.cancel -text [mc "Cancel"] \
  44                 -command [list destroy $w]
  45         pack $w.buttons.cancel -side right -padx 5
  46         pack $w.buttons -side bottom -fill x -pady 10 -padx 10
  47
  48         ${NS}::labelframe $w.dest -text [mc "From Repository"]
  49         if {$all_remotes ne {}} {
  50                 ${NS}::radiobutton $w.dest.remote_r \
  51                         -text [mc "Remote:"] \
  52                         -value remote \
  53                         -variable @urltype
  54                 if {$use_ttk} {
  55                         ttk::combobox $w.dest.remote_m -textvariable @remote \
  56                                 -values $all_remotes -state readonly
  57                 } else {
  58                         eval tk_optionMenu $w.dest.remote_m @remote $all_remotes
  59                 }
  60                 grid $w.dest.remote_r $w.dest.remote_m -sticky w
  61                 if {[lsearch -sorted -exact $all_remotes origin] != -1} {
  62                         set remote origin
  63                 } else {
  64                         set remote [lindex $all_remotes 0]
  65                 }
  66                 set urltype remote
  67                 trace add variable @remote write [cb _write_remote]
  68         } else {
  69                 set urltype url
  70         }
  71         ${NS}::radiobutton $w.dest.url_r \
  72                 -text [mc "Arbitrary Location:"] \
  73                 -value url \
  74                 -variable @urltype
  75         ${NS}::entry $w.dest.url_t \
  76                 -width 50 \
  77                 -textvariable @url \
  78                 -validate key \
  79                 -validatecommand {
  80                         if {%d == 1 && [regexp {\s} %S]} {return 0}
  81                         return 1
  82                 }
  83         trace add variable @url write [cb _write_url]
  84         grid $w.dest.url_r $w.dest.url_t -sticky we -padx {0 5}
  85         grid columnconfigure $w.dest 1 -weight 1
  86         pack $w.dest -anchor nw -fill x -pady 5 -padx 5
  87
  88         ${NS}::labelframe $w.heads -text [mc "Branches"]
  89         slistbox $w.heads.l \
  90                 -height 10 \
  91                 -width 70 \
  92                 -listvariable @head_list \
  93                 -selectmode extended
  94
  95         ${NS}::frame $w.heads.footer
  96         ${NS}::label $w.heads.footer.status \
  97                 -textvariable @status \
  98                 -anchor w \
  99                 -justify left
 100         ${NS}::button $w.heads.footer.rescan \
 101                 -text [mc "Rescan"] \
 102                 -command [cb _rescan]
 103         pack $w.heads.footer.status -side left -fill x
 104         pack $w.heads.footer.rescan -side right
 105
 106         pack $w.heads.footer -side bottom -fill x
 107         pack $w.heads.l -side left -fill both -expand 1
 108         pack $w.heads -fill both -expand 1 -pady 5 -padx 5
 109
 110         ${NS}::labelframe $w.validate -text [mc "Delete Only If"]
 111         ${NS}::radiobutton $w.validate.head_r \
 112                 -text [mc "Merged Into:"] \
 113                 -value head \
 114                 -variable @checktype
 115         set head_m [tk_optionMenu $w.validate.head_m @check_head {}]
 116         trace add variable @head_list write [cb _write_head_list]
 117         trace add variable @check_head write [cb _write_check_head]
 118         grid $w.validate.head_r $w.validate.head_m -sticky w
 119         ${NS}::radiobutton $w.validate.always_r \
 120                 -text [mc "Always (Do not perform merge checks)"] \
 121                 -value always \
 122                 -variable @checktype
 123         grid $w.validate.always_r -columnspan 2 -sticky w
 124         grid columnconfigure $w.validate 1 -weight 1
 125         pack $w.validate -anchor nw -fill x -pady 5 -padx 5
 126
 127         trace add variable @urltype write [cb _write_urltype]
 128         _rescan $this
 129
 130         bind $w <Key-F5>     [cb _rescan]
 131         bind $w <$M1B-Key-r> [cb _rescan]
 132         bind $w <$M1B-Key-R> [cb _rescan]
 133         bind $w <Key-Return> [cb _delete]
 134         bind $w <Key-Escape> [list destroy $w]
 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 [mc "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 [mc "The following branches are not completely merged into %s:
 186
 187  - %s" $check_head [join $not_merged "\n - "]]
 188
 189                 if {$need_fetch} {
 190                         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]
 191                 }
 192
 193                 tk_messageBox \
 194                         -icon info \
 195                         -type ok \
 196                         -title [wm title $w] \
 197                         -parent $w \
 198                         -message $msg
 199                 if {!$have_selection} return
 200         }
 201
 202         if {!$have_selection} {
 203                 tk_messageBox \
 204                         -icon error \
 205                         -type ok \
 206                         -title [wm title $w] \
 207                         -parent $w \
 208                         -message [mc "Please select one or more branches to delete."]
 209                 return
 210         }
 211
 212         if {$checktype ne {head}} {
 213                 if {[tk_messageBox \
 214                         -icon warning \
 215                         -type yesno \
 216                         -title [wm title $w] \
 217                         -parent $w \
 218                         -message [mc "Recovering deleted branches is difficult.\n\nDelete the selected branches?"]] ne yes} {
 219                         return
 220                 }
 221         }
 222
 223         destroy $w
 224
 225         set cons [console::new \
 226                 "push $uri" \
 227                 [mc "Deleting branches from %s" $uri]]
 228         console::exec $cons $push_cmd
 229 }
 230
 231 method _rescan {{force 1}} {
 232         switch $urltype {
 233         remote {set uri $remote}
 234         url    {set uri $url}
 235         }
 236
 237         if {$force} {
 238                 unset -nocomplain cached($urltype:$uri)
 239         }
 240
 241         if {$idle_id ne {}} {
 242                 after cancel $idle_id
 243                 set idle_id {}
 244         }
 245
 246         _load $this $urltype:$uri $uri
 247 }
 248
 249 method _write_remote     {args} { set urltype remote }
 250 method _write_url        {args} { set urltype url    }
 251 method _write_check_head {args} { set checktype head }
 252
 253 method _write_head_list {args} {
 254         global current_branch _last_merged_branch
 255
 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                 if {[lsearch -exact -sorted $head_list $current_branch] < 0} {
 265                         set check_head {}
 266                 } else {
 267                         set check_head $current_branch
 268                 }
 269         }
 270         set lmb [lsearch -exact -sorted $head_list $_last_merged_branch]
 271         if {$lmb >= 0} {
 272                 $w.heads.l conf -state normal
 273                 $w.heads.l select set $lmb
 274                 $w.heads.l yview $lmb
 275                 $w.heads.l conf -state disabled
 276         }
 277 }
 278
 279 method _write_urltype {args} {
 280         if {$urltype eq {url}} {
 281                 if {$idle_id ne {}} {
 282                         after cancel $idle_id
 283                 }
 284                 _load $this none: {}
 285                 set idle_id [after 1000 [cb _rescan 0]]
 286         } else {
 287                 _rescan $this 0
 288         }
 289 }
 290
 291 method _load {cache uri} {
 292         if {$active_ls ne {}} {
 293                 catch {close $active_ls}
 294         }
 295
 296         if {$uri eq {}} {
 297                 $w.heads.l conf -state disabled
 298                 set head_list [list]
 299                 set full_list [list]
 300                 set status [mc "No repository selected."]
 301                 return
 302         }
 303
 304         if {[catch {set x $cached($cache)}]} {
 305                 set status [mc "Scanning %s..." $uri]
 306                 $w.heads.l conf -state disabled
 307                 set head_list [list]
 308                 set full_list [list]
 309                 set head_cache($cache) [list]
 310                 set full_cache($cache) [list]
 311                 set active_ls [git_read ls-remote $uri]
 312                 fconfigure $active_ls \
 313                         -blocking 0 \
 314                         -translation lf \
 315                         -encoding utf-8
 316                 fileevent $active_ls readable [cb _read $cache $active_ls]
 317         } else {
 318                 set status {}
 319                 set full_list $full_cache($cache)
 320                 set head_list $head_cache($cache)
 321                 $w.heads.l conf -state normal
 322         }
 323 }
 324
 325 method _read {cache fd} {
 326         if {$fd ne $active_ls} {
 327                 catch {close $fd}
 328                 return
 329         }
 330
 331         while {[gets $fd line] >= 0} {
 332                 if {[string match {*^{}} $line]} continue
 333                 if {[regexp {^([0-9a-f]{40})    (.*)$} $line _junk obj ref]} {
 334                         if {[regsub ^refs/heads/ $ref {} abr]} {
 335                                 lappend head_list $abr
 336                                 lappend head_cache($cache) $abr
 337                                 lappend full_list $ref
 338                                 lappend full_cache($cache) $ref
 339                                 set full_cache("$cache\n$ref") $obj
 340                         }
 341                 }
 342         }
 343
 344         if {[eof $fd]} {
 345                 if {[catch {close $fd} err]} {
 346                         set status $err
 347                         set head_list [list]
 348                         set full_list [list]
 349                 } else {
 350                         set status {}
 351                         set cached($cache) 1
 352                         $w.heads.l conf -state normal
 353                 }
 354         }
 355 } ifdeleted {
 356         catch {close $fd}
 357 }
 358
 359 }