git-gui/lib/index.tcl

   1 # git-gui index (add/remove) support
   2 # Copyright (C) 2006, 2007 Shawn Pearce
   3
   4 proc _delete_indexlock {} {
   5         if {[catch {file delete -- [gitdir index.lock]} err]} {
   6                 error_popup [strcat [mc "Unable to unlock the index."] "\n\n$err"]
   7         }
   8 }
   9
  10 proc _close_updateindex {fd after} {
  11         fconfigure $fd -blocking 1
  12         if {[catch {close $fd} err]} {
  13                 set w .indexfried
  14                 toplevel $w
  15                 wm title $w [strcat "[appname] ([reponame]): " [mc "Index Error"]]
  16                 wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
  17                 pack [label $w.msg \
  18                         -justify left \
  19                         -anchor w \
  20                         -text [strcat \
  21                                 [mc "Updating the Git index failed.  A rescan will be automatically started to resynchronize git-gui."] \
  22                                 "\n\n$err"] \
  23                         ] -anchor w
  24
  25                 frame $w.buttons
  26                 button $w.buttons.continue \
  27                         -text [mc "Continue"] \
  28                         -command [list destroy $w]
  29                 pack $w.buttons.continue -side right -padx 5
  30                 button $w.buttons.unlock \
  31                         -text [mc "Unlock Index"] \
  32                         -command "destroy $w; _delete_indexlock"
  33                 pack $w.buttons.unlock -side right
  34                 pack $w.buttons -side bottom -fill x -pady 10 -padx 10
  35
  36                 wm protocol $w WM_DELETE_WINDOW update
  37                 bind $w.buttons.continue <Visibility> "
  38                         grab $w
  39                         focus $w.buttons.continue
  40                 "
  41                 tkwait window $w
  42
  43                 $::main_status stop
  44                 unlock_index
  45                 rescan $after 0
  46                 return
  47         }
  48
  49         $::main_status stop
  50         unlock_index
  51         uplevel #0 $after
  52 }
  53
  54 proc update_indexinfo {msg pathList after} {
  55         global update_index_cp
  56
  57         if {![lock_index update]} return
  58
  59         set update_index_cp 0
  60         set pathList [lsort $pathList]
  61         set totalCnt [llength $pathList]
  62         set batch [expr {int($totalCnt * .01) + 1}]
  63         if {$batch > 25} {set batch 25}
  64
  65         $::main_status start $msg [mc "files"]
  66         set fd [git_write update-index -z --index-info]
  67         fconfigure $fd \
  68                 -blocking 0 \
  69                 -buffering full \
  70                 -buffersize 512 \
  71                 -encoding binary \
  72                 -translation binary
  73         fileevent $fd writable [list \
  74                 write_update_indexinfo \
  75                 $fd \
  76                 $pathList \
  77                 $totalCnt \
  78                 $batch \
  79                 $after \
  80                 ]
  81 }
  82
  83 proc write_update_indexinfo {fd pathList totalCnt batch after} {
  84         global update_index_cp
  85         global file_states current_diff_path
  86
  87         if {$update_index_cp >= $totalCnt} {
  88                 _close_updateindex $fd $after
  89                 return
  90         }
  91
  92         for {set i $batch} \
  93                 {$update_index_cp < $totalCnt && $i > 0} \
  94                 {incr i -1} {
  95                 set path [lindex $pathList $update_index_cp]
  96                 incr update_index_cp
  97
  98                 set s $file_states($path)
  99                 switch -glob -- [lindex $s 0] {
 100                 A? {set new _O}
 101                 M? {set new _M}
 102                 D_ {set new _D}
 103                 D? {set new _?}
 104                 ?? {continue}
 105                 }
 106                 set info [lindex $s 2]
 107                 if {$info eq {}} continue
 108
 109                 puts -nonewline $fd "$info\t[encoding convertto $path]\0"
 110                 display_file $path $new
 111         }
 112
 113         $::main_status update $update_index_cp $totalCnt
 114 }
 115
 116 proc update_index {msg pathList after} {
 117         global update_index_cp
 118
 119         if {![lock_index update]} return
 120
 121         set update_index_cp 0
 122         set pathList [lsort $pathList]
 123         set totalCnt [llength $pathList]
 124         set batch [expr {int($totalCnt * .01) + 1}]
 125         if {$batch > 25} {set batch 25}
 126
 127         $::main_status start $msg [mc "files"]
 128         set fd [git_write update-index --add --remove -z --stdin]
 129         fconfigure $fd \
 130                 -blocking 0 \
 131                 -buffering full \
 132                 -buffersize 512 \
 133                 -encoding binary \
 134                 -translation binary
 135         fileevent $fd writable [list \
 136                 write_update_index \
 137                 $fd \
 138                 $pathList \
 139                 $totalCnt \
 140                 $batch \
 141                 $after \
 142                 ]
 143 }
 144
 145 proc write_update_index {fd pathList totalCnt batch after} {
 146         global update_index_cp
 147         global file_states current_diff_path
 148
 149         if {$update_index_cp >= $totalCnt} {
 150                 _close_updateindex $fd $after
 151                 return
 152         }
 153
 154         for {set i $batch} \
 155                 {$update_index_cp < $totalCnt && $i > 0} \
 156                 {incr i -1} {
 157                 set path [lindex $pathList $update_index_cp]
 158                 incr update_index_cp
 159
 160                 switch -glob -- [lindex $file_states($path) 0] {
 161                 AD {set new __}
 162                 ?D {set new D_}
 163                 _O -
 164                 AM {set new A_}
 165                 U? {
 166                         if {[file exists $path]} {
 167                                 set new M_
 168                         } else {
 169                                 set new D_
 170                         }
 171                 }
 172                 ?M {set new M_}
 173                 ?? {continue}
 174                 }
 175                 puts -nonewline $fd "[encoding convertto $path]\0"
 176                 display_file $path $new
 177         }
 178
 179         $::main_status update $update_index_cp $totalCnt
 180 }
 181
 182 proc checkout_index {msg pathList after} {
 183         global update_index_cp
 184
 185         if {![lock_index update]} return
 186
 187         set update_index_cp 0
 188         set pathList [lsort $pathList]
 189         set totalCnt [llength $pathList]
 190         set batch [expr {int($totalCnt * .01) + 1}]
 191         if {$batch > 25} {set batch 25}
 192
 193         $::main_status start $msg [mc "files"]
 194         set fd [git_write checkout-index \
 195                 --index \
 196                 --quiet \
 197                 --force \
 198                 -z \
 199                 --stdin \
 200                 ]
 201         fconfigure $fd \
 202                 -blocking 0 \
 203                 -buffering full \
 204                 -buffersize 512 \
 205                 -encoding binary \
 206                 -translation binary
 207         fileevent $fd writable [list \
 208                 write_checkout_index \
 209                 $fd \
 210                 $pathList \
 211                 $totalCnt \
 212                 $batch \
 213                 $after \
 214                 ]
 215 }
 216
 217 proc write_checkout_index {fd pathList totalCnt batch after} {
 218         global update_index_cp
 219         global file_states current_diff_path
 220
 221         if {$update_index_cp >= $totalCnt} {
 222                 _close_updateindex $fd $after
 223                 return
 224         }
 225
 226         for {set i $batch} \
 227                 {$update_index_cp < $totalCnt && $i > 0} \
 228                 {incr i -1} {
 229                 set path [lindex $pathList $update_index_cp]
 230                 incr update_index_cp
 231                 switch -glob -- [lindex $file_states($path) 0] {
 232                 U? {continue}
 233                 ?M -
 234                 ?D {
 235                         puts -nonewline $fd "[encoding convertto $path]\0"
 236                         display_file $path ?_
 237                 }
 238                 }
 239         }
 240
 241         $::main_status update $update_index_cp $totalCnt
 242 }
 243
 244 proc unstage_helper {txt paths} {
 245         global file_states current_diff_path
 246
 247         if {![lock_index begin-update]} return
 248
 249         set pathList [list]
 250         set after {}
 251         foreach path $paths {
 252                 switch -glob -- [lindex $file_states($path) 0] {
 253                 A? -
 254                 M? -
 255                 D? {
 256                         lappend pathList $path
 257                         if {$path eq $current_diff_path} {
 258                                 set after {reshow_diff;}
 259                         }
 260                 }
 261                 }
 262         }
 263         if {$pathList eq {}} {
 264                 unlock_index
 265         } else {
 266                 update_indexinfo \
 267                         $txt \
 268                         $pathList \
 269                         [concat $after [list ui_ready]]
 270         }
 271 }
 272
 273 proc do_unstage_selection {} {
 274         global current_diff_path selected_paths
 275
 276         if {[array size selected_paths] > 0} {
 277                 unstage_helper \
 278                         {Unstaging selected files from commit} \
 279                         [array names selected_paths]
 280         } elseif {$current_diff_path ne {}} {
 281                 unstage_helper \
 282                         [mc "Unstaging %s from commit" [short_path $current_diff_path]] \
 283                         [list $current_diff_path]
 284         }
 285 }
 286
 287 proc add_helper {txt paths} {
 288         global file_states current_diff_path
 289
 290         if {![lock_index begin-update]} return
 291
 292         set pathList [list]
 293         set after {}
 294         foreach path $paths {
 295                 switch -glob -- [lindex $file_states($path) 0] {
 296                 _O -
 297                 ?M -
 298                 ?D -
 299                 U? {
 300                         lappend pathList $path
 301                         if {$path eq $current_diff_path} {
 302                                 set after {reshow_diff;}
 303                         }
 304                 }
 305                 }
 306         }
 307         if {$pathList eq {}} {
 308                 unlock_index
 309         } else {
 310                 update_index \
 311                         $txt \
 312                         $pathList \
 313                         [concat $after {ui_status {Ready to commit.}}]
 314         }
 315 }
 316
 317 proc do_add_selection {} {
 318         global current_diff_path selected_paths
 319
 320         if {[array size selected_paths] > 0} {
 321                 add_helper \
 322                         {Adding selected files} \
 323                         [array names selected_paths]
 324         } elseif {$current_diff_path ne {}} {
 325                 add_helper \
 326                         [mc "Adding %s" [short_path $current_diff_path]] \
 327                         [list $current_diff_path]
 328         }
 329 }
 330
 331 proc do_add_all {} {
 332         global file_states
 333
 334         set paths [list]
 335         foreach path [array names file_states] {
 336                 switch -glob -- [lindex $file_states($path) 0] {
 337                 U? {continue}
 338                 ?M -
 339                 ?D {lappend paths $path}
 340                 }
 341         }
 342         add_helper {Adding all changed files} $paths
 343 }
 344
 345 proc revert_helper {txt paths} {
 346         global file_states current_diff_path
 347
 348         if {![lock_index begin-update]} return
 349
 350         set pathList [list]
 351         set after {}
 352         foreach path $paths {
 353                 switch -glob -- [lindex $file_states($path) 0] {
 354                 U? {continue}
 355                 ?M -
 356                 ?D {
 357                         lappend pathList $path
 358                         if {$path eq $current_diff_path} {
 359                                 set after {reshow_diff;}
 360                         }
 361                 }
 362                 }
 363         }
 364
 365
 366         # Split question between singular and plural cases, because
 367         # such distinction is needed in some languages. Previously, the
 368         # code used "Revert changes in" for both, but that can't work
 369         # in languages where 'in' must be combined with word from
 370         # rest of string (in diffrent way for both cases of course).
 371         #
 372         # FIXME: Unfortunately, even that isn't enough in some languages
 373         # as they have quite complex plural-form rules. Unfortunately,
 374         # msgcat doesn't seem to support that kind of string translation.
 375         #
 376         set n [llength $pathList]
 377         if {$n == 0} {
 378                 unlock_index
 379                 return
 380         } elseif {$n == 1} {
 381                 set query [mc "Revert changes in file %s?" [short_path [lindex $pathList]]]
 382         } else {
 383                 set query [mc "Revert changes in these %i files?" $n]
 384         }
 385
 386         set reply [tk_dialog \
 387                 .confirm_revert \
 388                 "[appname] ([reponame])" \
 389                 [mc "Any unstaged changes will be permanently lost by the revert."] \
 390                 question \
 391                 1 \
 392                 [mc "Do Nothing"] \
 393                 [mc "Revert Changes"] \
 394                 ]
 395         if {$reply == 1} {
 396                 checkout_index \
 397                         $txt \
 398                         $pathList \
 399                         [concat $after [list ui_ready]]
 400         } else {
 401                 unlock_index
 402         }
 403 }
 404
 405 proc do_revert_selection {} {
 406         global current_diff_path selected_paths
 407
 408         if {[array size selected_paths] > 0} {
 409                 revert_helper \
 410                         {Reverting selected files} \
 411                         [array names selected_paths]
 412         } elseif {$current_diff_path ne {}} {
 413                 revert_helper \
 414                         "Reverting [short_path $current_diff_path]" \
 415                         [list $current_diff_path]
 416         }
 417 }
 418
 419 proc do_select_commit_type {} {
 420         global commit_type selected_commit_type
 421
 422         if {$selected_commit_type eq {new}
 423                 && [string match amend* $commit_type]} {
 424                 create_new_commit
 425         } elseif {$selected_commit_type eq {amend}
 426                 && ![string match amend* $commit_type]} {
 427                 load_last_commit
 428
 429                 # The amend request was rejected...
 430                 #
 431                 if {![string match amend* $commit_type]} {
 432                         set selected_commit_type new
 433                 }
 434         }
 435 }