vim-python-ide / .vim / plugin / fugitive.vim

   1
   2
   3
   4
   5
   6
   7
   8
   9
  10
  11
  12
  13
  14
  15
  16
  17
  18
  19
  20
  21
  22
  23
  24
  25
  26
  27
  28
  29
  30
  31
  32
  33
  34
  35
  36
  37
  38
  39
  40
  41
  42
  43
  44
  45
  46
  47
  48
  49
  50
  51
  52
  53
  54
  55
  56
  57
  58
  59
  60
  61
  62
  63
  64
  65
  66
  67
  68
  69
  70
  71
  72
  73
  74
  75
  76
  77
  78
  79
  80
  81
  82
  83
  84
  85
  86
  87
  88
  89
  90
  91
  92
  93
  94
  95
  96
  97
  98
  99
 100
 101
 102
 103
 104
 105
 106
 107
 108
 109
 110
 111
 112
 113
 114
 115
 116
 117
 118
 119
 120
 121
 122
 123
 124
 125
 126
 127
 128
 129
 130
 131
 132
 133
 134
 135
 136
 137
 138
 139
 140
 141
 142
 143
 144
 145
 146
 147
 148
 149
 150
 151
 152
 153
 154
 155
 156
 157
 158
 159
 160
 161
 162
 163
 164
 165
 166
 167
 168
 169
 170
 171
 172
 173
 174
 175
 176
 177
 178
 179
 180
 181
 182
 183
 184
 185
 186
 187
 188
 189
 190
 191
 192
 193
 194
 195
 196
 197
 198
 199
 200
 201
 202
 203
 204
 205
 206
 207
 208
 209
 210
 211
 212
 213
 214
 215
 216
 217
 218
 219
 220
 221
 222
 223
 224
 225
 226
 227
 228
 229
 230
 231
 232
 233
 234
 235
 236
 237
 238
 239
 240
 241
 242
 243
 244
 245
 246
 247
 248
 249
 250
 251
 252
 253
 254
 255
 256
 257
 258
 259
 260
 261
 262
 263
 264
 265
 266
 267
 268
 269
 270
 271
 272
 273
 274
 275
 276
 277
 278
 279
 280
 281
 282
 283
 284
 285
 286
 287
 288
 289
 290
 291
 292
 293
 294
 295
 296
 297
 298
 299
 300
 301
 302
 303
 304
 305
 306
 307
 308
 309
 310
 311
 312
 313
 314
 315
 316
 317
 318
 319
 320
 321
 322
 323
 324
 325
 326
 327
 328
 329
 330
 331
 332
 333
 334
 335
 336
 337
 338
 339
 340
 341
 342
 343
 344
 345
 346
 347
 348
 349
 350
 351
 352
 353
 354
 355
 356
 357
 358
 359
 360
 361
 362
 363
 364
 365
 366
 367
 368
 369
 370
 371
 372
 373
 374
 375
 376
 377
 378
 379
 380
 381
 382
 383
 384
 385
 386
 387
 388
 389
 390
 391
 392
 393
 394
 395
 396
 397
 398
 399
 400
 401
 402
 403
 404
 405
 406
 407
 408
 409
 410
 411
 412
 413
 414
 415
 416
 417
 418
 419
 420
 421
 422
 423
 424
 425
 426
 427
 428
 429
 430
 431
 432
 433
 434
 435
 436
 437
 438
 439
 440
 441
 442
 443
 444
 445
 446
 447
 448
 449
 450
 451
 452
 453
 454
 455
 456
 457
 458
 459
 460
 461
 462
 463
 464
 465
 466
 467
 468
 469
 470
 471
 472
 473
 474
 475
 476
 477
 478
 479
 480
 481
 482
 483
 484
 485
 486
 487
 488
 489
 490
 491
 492
 493
 494
 495
 496
 497
 498
 499
 500
 501
 502
 503
 504
 505
 506
 507
 508
 509
 510
 511
 512
 513
 514
 515
 516
 517
 518
 519
 520
 521
 522
 523
 524
 525
 526
 527
 528
 529
 530
 531
 532
 533
 534
 535
 536
 537
 538
 539
 540
 541
 542
 543
 544
 545
 546
 547
 548
 549
 550
 551
 552
 553
 554
 555
 556
 557
 558
 559
 560
 561
 562
 563
 564
 565
 566
 567
 568
 569
 570
 571
 572
 573
 574
 575
 576
 577
 578
 579
 580
 581
 582
 583
 584
 585
 586
 587
 588
 589
 590
 591
 592
 593
 594
 595
 596
 597
 598
 599
 600
 601
 602
 603
 604
 605
 606
 607
 608
 609
 610
 611
 612
 613
 614
 615
 616
 617
 618
 619
 620
 621
 622
 623
 624
 625
 626
 627
 628
 629
 630
 631
 632
 633
 634
 635
 636
 637
 638
 639
 640
 641
 642
 643
 644
 645
 646
 647
 648
 649
 650
 651
 652
 653
 654
 655
 656
 657
 658
 659
 660
 661
 662
 663
 664
 665
 666
 667
 668
 669
 670
 671
 672
 673
 674
 675
 676
 677
 678
 679
 680
 681
 682
 683
 684
 685
 686
 687
 688
 689
 690
 691
 692
 693
 694
 695
 696
 697
 698
 699
 700
 701
 702
 703
 704
 705
 706
 707
 708
 709
 710
 711
 712
 713
 714
 715
 716
 717
 718
 719
 720
 721
 722
 723
 724
 725
 726
 727
 728
 729
 730
 731
 732
 733
 734
 735
 736
 737
 738
 739
 740
 741
 742
 743
 744
 745
 746
 747
 748
 749
 750
 751
 752
 753
 754
 755
 756
 757
 758
 759
 760
 761
 762
 763
 764
 765
 766
 767
 768
 769
 770
 771
 772
 773
 774
 775
 776
 777
 778
 779
 780
 781
 782
 783
 784
 785
 786
 787
 788
 789
 790
 791
 792
 793
 794
 795
 796
 797
 798
 799
 800
 801
 802
 803
 804
 805
 806
 807
 808
 809
 810
 811
 812
 813
 814
 815
 816
 817
 818
 819
 820
 821
 822
 823
 824
 825
 826
 827
 828
 829
 830
 831
 832
 833
 834
 835
 836
 837
 838
 839
 840
 841
 842
 843
 844
 845
 846
 847
 848
 849
 850
 851
 852
 853
 854
 855
 856
 857
 858
 859
 860
 861
 862
 863
 864
 865
 866
 867
 868
 869
 870
 871
 872
 873
 874
 875
 876
 877
 878
 879
 880
 881
 882
 883
 884
 885
 886
 887
 888
 889
 890
 891
 892
 893
 894
 895
 896
 897
 898
 899
 900
 901
 902
 903
 904
 905
 906
 907
 908
 909
 910
 911
 912
 913
 914
 915
 916
 917
 918
 919
 920
 921
 922
 923
 924
 925
 926
 927
 928
 929
 930
 931
 932
 933
 934
 935
 936
 937
 938
 939
 940
 941
 942
 943
 944
 945
 946
 947
 948
 949
 950
 951
 952
 953
 954
 955
 956
 957
 958
 959
 960
 961
 962
 963
 964
 965
 966
 967
 968
 969
 970
 971
 972
 973
 974
 975
 976
 977
 978
 979
 980
 981
 982
 983
 984
 985
 986
 987
 988
 989
 990
 991
 992
 993
 994
 995
 996
 997
 998
 999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
" fugitive.vim - Fugitive
" Maintainer:   Tim Pope <vimNOSPAM@tpope.info>

if (exists("g:loaded_fugitive") && g:loaded_fugitive) || &cp
  finish
endif
let g:loaded_fugitive = 1

if !exists('g:fugitive_git_executable')
  let g:fugitive_git_executable = 'git'
endif

" Utility {{{1

function! s:function(name) abort
  return function(substitute(a:name,'^s:',matchstr(expand('<sfile>'), '<SNR>\d\+_'),''))
endfunction

function! s:sub(str,pat,rep) abort
  return substitute(a:str,'\v\C'.a:pat,a:rep,'')
endfunction

function! s:gsub(str,pat,rep) abort
  return substitute(a:str,'\v\C'.a:pat,a:rep,'g')
endfunction

function! s:shellesc(arg) abort
  if a:arg =~ '^[A-Za-z0-9_/.-]\+$'
    return a:arg
  else
    return shellescape(a:arg)
  endif
endfunction

function! s:fnameescape(file) abort
  if exists('*fnameescape')
    return fnameescape(a:file)
  else
    return escape(a:file," \t\n*?[{`$\\%#'\"|!<")
  endif
endfunction

function! s:throw(string) abort
  let v:errmsg = 'fugitive: '.a:string
  throw v:errmsg
endfunction

function! s:add_methods(namespace, method_names) abort
  for name in a:method_names
    let s:{a:namespace}_prototype[name] = s:function('s:'.a:namespace.'_'.name)
  endfor
endfunction

let s:commands = []
function! s:command(definition) abort
  let s:commands += [a:definition]
endfunction

function! s:define_commands()
  for command in s:commands
    exe 'command! -buffer '.command
  endfor
endfunction

augroup fugitive_commands
  autocmd!
  autocmd User Fugitive call s:define_commands()
augroup END

let s:abstract_prototype = {}

" }}}1
" Initialization {{{1

function! s:ExtractGitDir(path) abort
  if a:path =~? '^fugitive://.*//'
    return matchstr(a:path,'fugitive://\zs.\{-\}\ze//')
  endif
  let fn = fnamemodify(a:path,':s?[\/]$??')
  let ofn = ""
  let nfn = fn
  while fn != ofn
    if isdirectory(fn . '/.git')
      return s:sub(simplify(fnamemodify(fn . '/.git',':p')),'/$','')
    elseif fn =~ '\.git$' && filereadable(fn . '/HEAD')
      return s:sub(simplify(fnamemodify(fn,':p')),'/$','')
    endif
    let ofn = fn
    let fn = fnamemodify(ofn,':h')
  endwhile
  return ''
endfunction

function! s:Detect()
  if !exists('b:git_dir')
    let dir = s:ExtractGitDir(expand('%:p'))
    if dir != ''
      let b:git_dir = dir
    endif
  endif
  if exists('b:git_dir')
    silent doautocmd User Fugitive
    cnoremap <expr> <buffer> <C-R><C-G> fugitive#buffer().rev()
  endif
endfunction

augroup fugitive
  autocmd!
  autocmd BufNewFile,BufReadPost * call s:Detect()
  autocmd BufUnload * execute getbufvar(+expand('<abuf>'), 'fugitive_restore')
augroup END

" }}}1
" Repository {{{1

let s:repo_prototype = {}
let s:repos = {}

function! s:repo(...) abort
  let dir = a:0 ? a:1 : (exists('b:git_dir') ? b:git_dir : s:ExtractGitDir(expand('%:p')))
  if dir == ''
    call s:throw('not a git repository: '.expand('%:p'))
  else
    if has_key(s:repos,dir)
      let repo = get(s:repos,dir)
    else
      let repo = {'git_dir': dir}
      let s:repos[dir] = repo
    endif
    return extend(extend(repo,s:repo_prototype,'keep'),s:abstract_prototype,'keep')
  endif
endfunction

function! s:repo_dir(...) dict abort
  return join([self.git_dir]+a:000,'/')
endfunction

function! s:repo_tree(...) dict abort
  if self.bare()
    call s:throw('no work tree')
  else
    let dir = fnamemodify(self.git_dir,':h')
    return join([dir]+a:000,'/')
  endif
endfunction

function! s:repo_bare() dict abort
  return self.dir() !~# '/\.git$'
endfunction

function! s:repo_translate(spec) dict abort
  if a:spec ==# '.' || a:spec ==# '/.'
    return self.bare() ? self.dir() : self.tree()
  elseif a:spec =~# '^/'
    return fnamemodify(self.dir(),':h').a:spec
  elseif a:spec =~# '^:[0-3]:'
    return 'fugitive://'.self.dir().'//'.a:spec[1].'/'.a:spec[3:-1]
  elseif a:spec ==# ':'
    return self.dir('index')
  elseif a:spec =~# '^:/'
    let ref = self.rev_parse(matchstr(a:spec,'.[^:]*'))
    return 'fugitive://'.self.dir().'//'.ref
  elseif a:spec =~# '^:'
    return 'fugitive://'.self.dir().'//0/'.a:spec[1:-1]
  elseif a:spec =~# 'HEAD\|^refs/' && a:spec !~ ':' && filereadable(self.dir(a:spec))
    return self.dir(a:spec)
  elseif filereadable(s:repo().dir('refs/'.a:spec))
    return self.dir('refs/'.a:spec)
  elseif filereadable(s:repo().dir('refs/tags/'.a:spec))
    return self.dir('refs/tags/'.a:spec)
  elseif filereadable(s:repo().dir('refs/heads/'.a:spec))
    return self.dir('refs/heads/'.a:spec)
  elseif filereadable(s:repo().dir('refs/remotes/'.a:spec))
    return self.dir('refs/remotes/'.a:spec)
  elseif filereadable(s:repo().dir('refs/remotes/'.a:spec.'/HEAD'))
    return self.dir('refs/remotes/'.a:spec,'/HEAD')
  else
    try
      let ref = self.rev_parse(matchstr(a:spec,'[^:]*'))
      let path = s:sub(matchstr(a:spec,':.*'),'^:','/')
      return 'fugitive://'.self.dir().'//'.ref.path
    catch /^fugitive:/
      return self.tree(a:spec)
    endtry
  endif
endfunction

call s:add_methods('repo',['dir','tree','bare','translate'])

function! s:repo_git_command(...) dict abort
  let git = g:fugitive_git_executable . ' --git-dir='.s:shellesc(self.git_dir)
  return git.join(map(copy(a:000),'" ".s:shellesc(v:val)'),'')
endfunction

function! s:repo_git_chomp(...) dict abort
  return s:sub(system(call(self.git_command,a:000,self)),'\n$','')
endfunction

function! s:repo_git_chomp_in_tree(...) dict abort
  let cd = exists('*haslocaldir') && haslocaldir() ? 'lcd ' : 'cd '
  let dir = getcwd()
  try
    execute cd.' `=s:repo().tree()`'
    return call(s:repo().git_chomp, a:000, s:repo())
  finally
    execute cd.' `=dir`'
  endtry
endfunction

function! s:repo_rev_parse(rev) dict abort
  let hash = self.git_chomp('rev-parse','--verify',a:rev)
  if hash =~ '^\x\{40\}$'
    return hash
  else
    call s:throw('rev-parse '.a:rev.': '.hash)
  endif
endfunction

call s:add_methods('repo',['git_command','git_chomp','git_chomp_in_tree','rev_parse'])

function! s:repo_dirglob(base) dict abort
  let base = s:sub(a:base,'^/','')
  let matches = split(glob(self.tree(s:gsub(base,'/','*&').'*/')),"\n")
  call map(matches,'v:val[ strlen(self.tree())+(a:base !~ "^/") : -1 ]')
  return matches
endfunction

function! s:repo_superglob(base) dict abort
  if a:base =~# '^/' || a:base !~# ':'
    let results = []
    if a:base !~# '^/'
      let heads = ["HEAD","ORIG_HEAD","FETCH_HEAD","MERGE_HEAD"]
      let heads += sort(split(s:repo().git_chomp("rev-parse","--symbolic","--branches","--tags","--remotes"),"\n"))
      call filter(heads,'v:val[ 0 : strlen(a:base)-1 ] ==# a:base')
      let results += heads
    endif
    if !self.bare()
      let base = s:sub(a:base,'^/','')
      let matches = split(glob(self.tree(s:gsub(base,'/','*&').'*')),"\n")
      call map(matches,'v:val !~ "/$" && isdirectory(v:val) ? v:val."/" : v:val')
      call map(matches,'v:val[ strlen(self.tree())+(a:base !~ "^/") : -1 ]')
      let results += matches
    endif
    return results

  elseif a:base =~# '^:'
    let entries = split(self.git_chomp('ls-files','--stage'),"\n")
    call map(entries,'s:sub(v:val,".*(\\d)\\t(.*)",":\\1:\\2")')
    if a:base !~# '^:[0-3]\%(:\|$\)'
      call filter(entries,'v:val[1] == "0"')
      call map(entries,'v:val[2:-1]')
    endif
    call filter(entries,'v:val[ 0 : strlen(a:base)-1 ] ==# a:base')
    return entries

  else
    let tree = matchstr(a:base,'.*[:/]')
    let entries = split(self.git_chomp('ls-tree',tree),"\n")
    call map(entries,'s:sub(v:val,"^04.*\\zs$","/")')
    call map(entries,'tree.s:sub(v:val,".*\t","")')
    return filter(entries,'v:val[ 0 : strlen(a:base)-1 ] ==# a:base')
  endif
endfunction

call s:add_methods('repo',['dirglob','superglob'])

function! s:repo_keywordprg() dict abort
  let args = ' --git-dir='.escape(self.dir(),"\\\"' ").' show'
  if has("gui_running")
    return g:fugitive_git_executable . ' --no-pager' . args
  else
    return g:fugitive_git_executable . args
  endif
endfunction

call s:add_methods('repo',['keywordprg'])

" }}}1
" Buffer {{{1

let s:buffer_prototype = {}

function! s:buffer(...) abort
  let buffer = {'#': bufnr(a:0 ? a:1 : '%')}
  call extend(extend(buffer,s:buffer_prototype,'keep'),s:abstract_prototype,'keep')
  if buffer.getvar('git_dir') == ''
    call s:throw('not a git repository: '.expand('%:p'))
  endif
  return buffer
endfunction

function! fugitive#buffer(...) abort
  return s:buffer(a:0 ? a:1 : '%')
endfunction

function! s:buffer_getvar(var) dict abort
  return getbufvar(self['#'],a:var)
endfunction

function! s:buffer_getline(lnum) dict abort
  return getbufline(self['#'],a:lnum)[0]
endfunction

function! s:buffer_repo() dict abort
  return s:repo(self.getvar('git_dir'))
endfunction

function! s:buffer_type(...) dict abort
  if self.getvar('fugitive_type') != ''
    let type = self.getvar('fugitive_type')
  elseif fnamemodify(self.name(),':p') =~# '.\git/refs/\|\.git/\w*HEAD$'
    let type = 'head'
  elseif self.getline(1) =~ '^tree \x\{40\}$' && self.getline(2) == ''
    let type = 'tree'
  elseif self.getline(1) =~ '^\d\{6\} \w\{4\} \x\{40\}\>\t'
    let type = 'tree'
  elseif self.getline(1) =~ '^\d\{6\} \x\{40\}\> \d\t'
    let type = 'index'
  elseif isdirectory(self.name())
    let type = 'directory'
  elseif filereadable(self.name())
    let type = 'file'
  else
    let type = ''
  endif
  if a:0
    return !empty(filter(copy(a:000),'v:val ==# type'))
  else
    return type
  endif
endfunction

function! s:buffer_name() dict abort
  return fnamemodify(bufname(self['#']),':p')
endfunction

function! s:buffer_commit() dict abort
  return matchstr(self.name(),'^fugitive://.\{-\}//\zs\w*')
endfunction

function! s:buffer_path(...) dict abort
  let rev = matchstr(self.name(),'^fugitive://.\{-\}//\zs.*')
  if rev != ''
    let rev = s:sub(rev,'\w*','')
  elseif self.name() =~ '\.git/refs/\|\.git/.*HEAD$'
    let rev = ''
  else
    let rev = self.name()[strlen(self.repo().tree()) : -1]
  endif
  return s:sub(rev,'^/',a:0 ? a:1 : '')
endfunction

function! s:buffer_rev() dict abort
  let rev = matchstr(self.name(),'^fugitive://.\{-\}//\zs.*')
  if rev =~ '^\x/'
    return ':'.rev[0].':'.rev[2:-1]
  elseif rev =~ '.'
    return s:sub(rev,'/',':')
  elseif self.name() =~ '\.git/index$'
    return ':'
  elseif self.name() =~ '\.git/refs/\|\.git/.*HEAD$'
    return self.name()[strlen(self.repo().dir())+1 : -1]
  else
    return self.path()
  endif
endfunction

function! s:buffer_sha1() dict abort
  if self.name() =~ '^fugitive://' || self.name() =~ '\.git/refs/\|\.git/.*HEAD$'
    return self.repo().rev_parse(self.rev())
  else
    return ''
  endif
endfunction

function! s:buffer_expand(rev) dict abort
  if a:rev =~# '^:[0-3]$'
    let file = a:rev.self.path(':')
  elseif a:rev =~# '^-'
    let file = 'HEAD^{}'.a:rev[1:-1].self.path(':')
  elseif a:rev =~# '^@{'
    let file = 'HEAD'.a:rev.self.path(':')
  elseif a:rev =~# '^[~^]'
    let commit = s:sub(self.commit(),'^\d=$','HEAD')
    let file = commit.a:rev.self.path(':')
  else
    let file = a:rev
  endif
  return s:sub(file,'\%$',self.path())
endfunction

function! s:buffer_containing_commit() dict abort
  if self.commit() =~# '\x\{40\}'
    return self.commit()
  elseif self.commit() =~# '.'
    return ':'
  else
    return 'HEAD'
  endif
endfunction

call s:add_methods('buffer',['getvar','getline','repo','type','name','commit','path','rev','sha1','expand','containing_commit'])

" }}}1
" Git {{{1

call s:command("-bar -bang -nargs=? -complete=customlist,s:GitComplete Git :call s:Git(<bang>0,<f-args>)")

function! s:ExecuteInTree(cmd) abort
  let cd = exists('*haslocaldir') && haslocaldir() ? 'lcd ' : 'cd '
  let dir = getcwd()
  try
    execute cd.' `=s:repo().tree()`'
    execute a:cmd
  finally
    execute cd.' `=dir`'
  endtry
endfunction

function! s:Git(bang,cmd) abort
  let git = s:repo().git_command()
  if has('gui_running')
    let git .= ' --no-pager'
  endif
  call s:ExecuteInTree('!'.git.' '.a:cmd)
endfunction

function! s:GitComplete(A,L,P) abort
  if !exists('s:exec_path')
    let s:exec_path = s:sub(system(g:fugitive_git_executable.' --exec-path'),'\n$','')
  endif
  let cmds = map(split(glob(s:exec_path.'/git-*'),"\n"),'v:val[strlen(s:exec_path)+5 : -1]')
  if a:L =~ ' [[:alnum:]-]\+ '
    return s:repo().superglob(a:A)
  elseif a:A == ''
    return cmds
  else
    return filter(cmds,'v:val[0 : strlen(a:A)-1] ==# a:A')
  endif
endfunction

" }}}1
" Gcd, Glcd {{{1

function! s:DirComplete(A,L,P) abort
  let matches = s:repo().dirglob(a:A)
  return matches
endfunction

call s:command("-bar -bang -nargs=? -complete=customlist,s:DirComplete Gcd  :cd<bang>  `=s:repo().bare() ? s:repo().dir(<q-args>) : s:repo().tree(<q-args>)`")
call s:command("-bar -bang -nargs=? -complete=customlist,s:DirComplete Glcd :lcd<bang> `=s:repo().bare() ? s:repo().dir(<q-args>) : s:repo().tree(<q-args>)`")

" }}}1
" Ggrep, Glog {{{1

call s:command("-bar -bang -nargs=? -complete=customlist,s:EditComplete Ggrep :call s:Grep(<bang>0,<q-args>)")
call s:command("-bar -bang Glog :execute s:Log('grep<bang>')")

function! s:Grep(bang,arg) abort
  let grepprg = &grepprg
  let grepformat = &grepformat
  let cd = exists('*haslocaldir') && haslocaldir() ? 'lcd ' : 'cd '
  let cd .= s:fnameescape(getcwd())
  try
    cd `=s:repo().tree()`
    let &grepprg = s:repo().git_command('--no-pager', 'grep', '-n')
    let &grepformat = '%f:%l:%m'
    exe 'grep! '.a:arg
    let list = getqflist()
    for entry in list
      if bufname(entry.bufnr) =~ ':'
        let entry.filename = s:repo().translate(bufname(entry.bufnr))
        unlet! entry.bufnr
      elseif a:arg =~# '\%(^\| \)--cached\>'
        let entry.filename = s:repo().translate(':0:'.bufname(entry.bufnr))
        unlet! entry.bufnr
      endif
    endfor
    call setqflist(list,'r')
    if !a:bang && !empty(list)
      cfirst
    endif
  finally
    let &grepprg = grepprg
    let &grepformat = grepformat
    exe cd
  endtry
endfunction

function! s:Log(cmd)
  let cmd = ['--no-pager', 'log', '--no-color', '--pretty=format:fugitive://'.s:repo().dir().'//%H'.s:buffer().path('/').'::%s']
  if s:buffer().commit() =~# '\x\{40\}'
    let cmd += [s:buffer().commit().'^']
  endif
  let cmd += ['--']
  if s:buffer().path() != ''
    let cmd += [s:buffer().path()]
  endif
  let grepformat = &grepformat
  let grepprg = &grepprg
  try
    let &grepprg = escape(call(s:repo().git_command,cmd,s:repo()),'%')
    let &grepformat = '%f::%m'
    exe a:cmd
  finally
    let &grepformat = grepformat
    let &grepprg = grepprg
  endtry
endfunction

" }}}1
" Gedit, Gpedit, Gsplit, Gvsplit, Gtabedit, Gread {{{1

function! s:Edit(cmd,...) abort
  if a:0 && a:1 == ''
    return ''
  elseif a:0
    let file = s:buffer().expand(a:1)
  elseif s:buffer().commit() ==# ''
    let file = s:buffer().path(':')
  else
    let file = s:buffer().path('/')
  endif
  let file = s:repo().translate(file)
  if a:cmd =~# 'read!$'
    return '%delete|read '.s:fnameescape(file).'|1delete_|diffupdate|'.line('.')
  else
    return a:cmd.' '.s:fnameescape(file)
  endif
endfunction

function! s:EditComplete(A,L,P) abort
  return s:repo().superglob(a:A)
endfunction

call s:command("-bar -bang -nargs=? -complete=customlist,s:EditComplete Ge       :execute s:Edit('edit<bang>',<f-args>)")
call s:command("-bar -bang -nargs=? -complete=customlist,s:EditComplete Gedit    :execute s:Edit('edit<bang>',<f-args>)")
call s:command("-bar -bang -nargs=? -complete=customlist,s:EditComplete Gpedit   :execute s:Edit('pedit<bang>',<f-args>)")
call s:command("-bar -bang -nargs=? -complete=customlist,s:EditComplete Gsplit   :execute s:Edit('split<bang>',<f-args>)")
call s:command("-bar -bang -nargs=? -complete=customlist,s:EditComplete Gvsplit  :execute s:Edit('vsplit<bang>',<f-args>)")
call s:command("-bar -bang -nargs=? -complete=customlist,s:EditComplete Gtabedit :execute s:Edit('tabedit<bang>',<f-args>)")
call s:command("-bar -bang -nargs=? -range -complete=customlist,s:EditComplete Gread :execute s:Edit('<line1>,<line2>read<bang>',<f-args>)")

" }}}1
" Gdiff {{{1

call s:command("-bar -nargs=? -complete=customlist,s:EditComplete Gdiff :execute s:Diff(<f-args>)")

function! s:Diff(...) abort
  if exists(':DiffGitCached')
    return 'DiffGitCached'
  elseif a:0
    if a:1 ==# ''
      return ''
    elseif a:1 == ':' || a:1 == '/'
      let file = s:buffer().path(a:1)
    else
      let file = s:buffer().expand(a:1)
    endif
    if file !~ ':' && file !~ '^/'
      let file = file.s:buffer.path(':')
    endif
  else
    let file = s:buffer().path(s:buffer().commit() == '' ? ':' : '/')
  endif
  try
    vsplit `=fugitive#buffer().repo().translate(file)`
    let b:fugitive_restore = 'diffoff!'
    diffthis
    wincmd p
    let b:fugitive_restore = 'diffoff!'
    diffthis
    return ''
  catch /^fugitive:/
    return 'echoerr v:errmsg'
  endtry
endfunction

" }}}1
" Gmove, Gremove {{{1

function! s:Move(force,destination)
  if a:destination =~# '^/'
    let destination = a:destination[1:-1]
  else
    let destination = fnamemodify(s:sub(a:destination,'[%#]%(:\w)*','\=expand(submatch(0))'),':p')
    if destination[0:strlen(s:repo().tree())] == s:repo().tree('')
      let destination = destination[strlen(s:repo().tree('')):-1]
    endif
  endif
  let message = call(s:repo().git_chomp_in_tree,['mv']+(a:force ? ['-f'] : [])+['--', s:buffer().path(), destination], s:repo())
  if v:shell_error
    let v:errmsg = 'fugitive: '.message
    return 'echoerr v:errmsg'
  endif
  let destination = s:repo().tree(destination)
  if isdirectory(destination)
    let destination = fnamemodify(s:sub(destination,'/$','').'/'.expand('%:t'),':.')
  endif
  if s:buffer().commit() == ''
    return 'saveas! '.s:fnameescape(destination)
  else
    return 'file '.s:fnameescape(s:repo.translate(':0:'.destination)
  endif
endfunction

function! s:MoveComplete(A,L,P)
  if a:A =~ '^/'
    return s:repo().superglob(a:A)
  else
    return split(glob(a:A.'*'),"\n")
  endif
endfunction

function! s:Remove(force)
  if s:buffer().commit() ==# ''
    let cmd = ['rm']
  elseif s:buffer().commit() ==# '0'
    let cmd = ['rm','--cached']
  else
    let v:errmsg = 'fugitive: rm not supported here'
    return 'echoerr v:errmsg'
  endif
  if a:force
    let cmd += ['--force']
  endif
  let message = call(s:repo().git_chomp_in_tree,cmd+['--',s:buffer().path()],s:repo())
  if v:shell_error
    let v:errmsg = 'fugitive: '.s:sub(message,'error:.*\zs\n\(.*-f.*',' (add ! to force)')
    return 'echoerr '.string(v:errmsg)
  else
    return 'bdelete'.(a:force ? '!' : '')
  endif
endfunction

augroup fugitive_remove
  autocmd!
  autocmd User Fugitive if s:buffer().commit() =~# '^0\=$' |
        \ exe "command! -buffer -bar -bang -nargs=1 -complete=customlist,s:MoveComplete Gmove :execute s:Move(<bang>0,<q-args>)" |
        \ exe "command! -buffer -bar -bang Gremove :execute s:Remove(<bang>0)" |
        \ endif
augroup END

" }}}1
" Gblame {{{1

augroup fugitive_blame
  autocmd!
  autocmd BufReadPost *.fugitiveblame setfiletype fugitiveblame
  autocmd FileType fugitiveblame setlocal nomodeline | if exists('b:git_dir') | let &l:keywordprg = s:repo().keywordprg() | endif
  autocmd Syntax fugitiveblame call s:BlameSyntax()
  autocmd User Fugitive if s:buffer().type('file', 'blob') | exe "command! -buffer -bar -bang -range=0 Gblame :execute s:Blame(<bang>0,<line1>,<line2>,<count>,<f-args>)" | endif
augroup END

function! s:Blame(bang,line1,line2,count) abort
  try
    if s:buffer().path() == ''
      call s:throw('file or blob required')
    endif
    let git_dir = s:repo().dir()
    let cmd = ['--no-pager', 'blame', '--show-number']
    if strlen(s:buffer().commit()) == 40
      let cmd += [s:buffer().commit()]
    else
      let cmd = ['--work-tree='.s:repo().tree()] + cmd + ['--contents', '-']
    endif
    let basecmd = call(s:repo().git_command,cmd+['--',s:buffer().path()],s:repo())
    if a:count
      return 'write !'.substitute(basecmd,' blame ',' blame -L '.a:line1.','.a:line2.' ','g')
    else
      let temp = tempname().'.fugitiveblame'
      silent! exe '%write !'.basecmd.' > '.temp.' 2> '.temp
      if v:shell_error
        call s:throw(join(readfile(temp),"\n"))
      endif
      let bufnr = bufnr('')
      let restore = 'call setbufvar('.bufnr.',"&scrollbind",0)'
      if &l:wrap
        let restore .= '|call setbufvar('.bufnr.',"&wrap",1)'
      endif
      if &l:foldenable
        let restore .= '|call setbufvar('.bufnr.',"&foldenable",1)'
      endif
      let winnr = winnr()
      windo set noscrollbind
      exe winnr.'wincmd w'
      setlocal scrollbind nowrap nofoldenable
      let top = line('w0') + &scrolloff
      let current = line('.')
      exe 'leftabove vsplit '.temp
      let b:git_dir = git_dir
      let b:fugitive_type = 'blame'
      let b:fugitive_blamed_bufnr = bufnr
      let b:fugitive_restore = restore
      call s:Detect()
      execute top
      normal! zt
      execute current
      execute "vertical resize ".(match(getline('.'),'\s\+\d\+)')+1)
      setlocal nomodified nomodifiable nonumber scrollbind nowrap foldcolumn=0 nofoldenable filetype=fugitiveblame
      nnoremap <buffer> <silent> q    :bdelete<CR>
      nnoremap <buffer> <silent> <CR> :exe <SID>BlameJump()<CR>
      nnoremap <buffer> <silent> o    :<C-U>exe <SID>Edit((&splitbelow ? "botright" : "topleft")." split", matchstr(getline('.'),'\x\+'))<CR>
      nnoremap <buffer> <silent> O    :<C-U>exe <SID>Edit("tabedit", matchstr(getline('.'),'\x\+'))<CR>
      syncbind
    endif
    return ''
  catch /^fugitive:/
    return 'echoerr v:errmsg'
  endtry
endfunction

function! s:BlameJump() abort
  let commit = matchstr(getline('.'),'^\^\=\zs\x\+')
  if commit =~# '^0\+$'
    let commit = ':0'
  endif
  let lnum = matchstr(getline('.'),'\d\+\ze (')
  let path = matchstr(getline('.'),'^\^\=\zs\x\+\s\+\zs.\{-\}\ze\s*\d\+ (')
  if path ==# ''
    let path = s:buffer(b:fugitive_blamed_bufnr).path()
  endif
  let offset = line('.') - line('w0')
  let bufnr = bufnr('%')
  let winnr = bufwinnr(b:fugitive_blamed_bufnr)
  if winnr > 0
    exe winnr.'wincmd w'
  endif
  execute s:Edit('edit',commit.':'.path)
  if winnr > 0
    exe bufnr.'bdelete'
  endif
  Gblame
  execute lnum
  let delta = line('.') - line('w0') - offset
  if delta > 0
    execute 'norm! 'delta."\<C-E>"
  elseif delta < 0
    execute 'norm! '(-delta)."\<C-Y>"
  endif
  syncbind
  return ''
endfunction

function! s:BlameSyntax() abort
  let b:current_syntax = 'fugitiveblame'
  syn match FugitiveblameBoundary "^\^"
  syn match FugitiveblameHash       "\%(^\^\=\)\@<=\x\{7,40\}\>" nextgroup=FugitiveblameAnnotation,fugitiveblameOriginalFile,FugitiveblameOriginalLineNumber skipwhite
  syn match FugitiveblameUncommitted "\%(^\^\=\)\@<=0\{7,40\}\>" nextgroup=FugitiveblameAnnotation,FugitiveblameOriginalLineNumber,fugitiveblameOriginalFile skipwhite
  syn region FugitiveblameAnnotation matchgroup=FugitiveblameDelimiter start="(" end="\%( \d\+\)\@<=)" contained keepend oneline
  syn match FugitiveblameTime "[0-9:/+-][0-9:/+ -]*[0-9:/+-]\%( \+\d\+)\)\@=" contained containedin=FugitiveblameAnnotation
  syn match FugitiveblameLineNumber         " \@<=\d\+)\@=" contained containedin=FugitiveblameAnnotation
  syn match FugitiveblameOriginalFile       " \%(\f\+\D\@<=\|\D\@=\f\+\)\%(\%(\s\+\d\+\)\= (\)\@=" contained nextgroup=FugitiveblameOriginalLineNumber,FugitiveblameAnnotation skipwhite
  syn match FugitiveblameOriginalLineNumber " \@<=\d\+\%( (\)\@=" contained nextgroup=FugitiveblameAnnotation skipwhite
  syn match FugitiveblameNotCommittedYet "(\@<=Not Committed Yet\>" contained containedin=FugitiveblameAnnotation
  hi def link FugitiveblameBoundary           Keyword
  hi def link FugitiveblameHash               Identifier
  hi def link FugitiveblameUncommitted        Function
  hi def link FugitiveblameTime               PreProc
  hi def link FugitiveblameLineNumber         Number
  hi def link FugitiveblameOriginalFile       String
  hi def link FugitiveblameOriginalLineNumber Float
  hi def link FugitiveblameDelimiter          Delimiter
  hi def link FugitiveblameNotCommittedYet    Comment
endfunction

" }}}1
" File access {{{1

function! s:ReplaceCmd(cmd) abort
  let fn = bufname('')
  let tmp = tempname()
  let aw = &autowrite
  try
    set noautowrite
    silent exe '!'.escape(a:cmd,'%#') ' > '.tmp
  finally
    let &autowrite = aw
  endtry
  silent exe 'keepalt file '.tmp
  silent edit!
  silent exe 'keepalt file '.s:fnameescape(fn)
  call delete(tmp)
  silent exe 'doau BufReadPost '.s:fnameescape(fn)
endfunction

function! s:BufReadIndex()
  try
    let b:git_dir = s:repo().dir()
    let b:fugitive_type = 'index'
    setlocal noro ma
    call s:ReplaceCmd(s:repo().git_command('ls-files','--stage'))
    setlocal ro noma nomod nomodeline ft=git
  catch /^fugitive:/
    return 'echoerr v:errmsg'
  endtry
endfunction

function! s:FileRead()
  try
    let repo = s:repo(s:ExtractGitDir(expand('<amatch>')))
    let path = s:sub(s:sub(matchstr(expand('<amatch>'),'fugitive://.\{-\}//\zs.*'),'/',':'),'^\d:',':&')
    let hash = repo.rev_parse(path)
    if path =~ '^:'
      let type = 'blob'
    else
      let type = repo.git_chomp('cat-file','-t',hash)
    endif
    " TODO: use count, if possible
    return "read !".escape(repo.git_command('cat-file',type,hash),'%#\')
  catch /^fugitive:/
    return 'echoerr v:errmsg'
  endtry
endfunction

function! s:BufReadIndexFile()
  try
    let b:fugitive_type = 'blob'
    let b:git_dir = s:repo().dir()
    call s:ReplaceCmd(s:repo().git_command('cat-file','blob',s:buffer().sha1()))
    return ''
  catch /^fugitive: rev-parse/
    silent exe 'doau BufNewFile '.s:fnameescape(bufname(''))
    return ''
  catch /^fugitive:/
    return 'echoerr v:errmsg'
  endtry
endfunction

function! s:BufWriteIndexFile()
  let tmp = tempname()
  try
    silent execute 'write !'.s:repo().git_command('hash-object','-w','--stdin').' > '.tmp
    let sha1 = readfile(tmp)[0]
    let old_mode = matchstr(s:repo().git_chomp('ls-files','--stage',s:buffer().path()),'^\d\+')
    if old_mode == ''
      let old_mode = executable(s:repo().tree(s:buffer().path())) ? '100755' : '100644'
    endif
    let info = old_mode.' '.sha1.' '.s:buffer().commit()."\t".s:buffer().path()
    call writefile([info],tmp)
    let error = system(s:repo().git_command('update-index','--index-info').' < '.tmp)
    if v:shell_error == 0
      setlocal nomodified
      return ''
    else
      return 'echoerr '.string('fugitive: '.error)
    endif
  finally
    call delete(tmp)
  endtry
endfunction

function! s:BufReadObject()
  try
    setlocal noro ma
    let b:git_dir = s:repo().dir()
    let hash = s:buffer().sha1()
    if !exists("b:fugitive_type")
      let b:fugitive_type = s:repo().git_chomp('cat-file','-t',hash)
    endif
    if b:fugitive_type !~# '^\%(tag\|commit\|tree\|blob\)$'
      return "echoerr 'Unrecognized git type'"
    endif
    let firstline = getline('.')
    if !exists('b:fugitive_display_format') && b:fugitive_type != 'blob'
      let b:fugitive_display_format = +getbufvar('#','fugitive_display_format')
    endif

    let pos = getpos('.')
    silent %delete
    setlocal endofline

    if b:fugitive_type == 'tree'
      let b:fugitive_display_format = b:fugitive_display_format % 2
      if b:fugitive_display_format
        call s:ReplaceCmd(s:repo().git_command('ls-tree',hash))
      else
        call s:ReplaceCmd(s:repo().git_command('show',hash))
      endif
    elseif b:fugitive_type == 'tag'
      let b:fugitive_display_format = b:fugitive_display_format % 2
      if b:fugitive_display_format
        call s:ReplaceCmd(s:repo().git_command('cat-file',b:fugitive_type,hash))
      else
        call s:ReplaceCmd(s:repo().git_command('cat-file','-p',hash))
      endif
    elseif b:fugitive_type == 'commit'
      let b:fugitive_display_format = b:fugitive_display_format % 2
      if b:fugitive_display_format
        call s:ReplaceCmd(s:repo().git_command('cat-file',b:fugitive_type,hash))
      else
        call s:ReplaceCmd(s:repo().git_command('show','--pretty=format:tree %T%nparent %P%nauthor %an <%ae> %ad%ncommitter %cn <%ce> %cd%nencoding %e%n%n%s%n%n%b',hash))
        call search('^parent ')
        silent s/\%(^parent\)\@<! /\rparent /ge
        if search('^encoding \%(<unknown>\)\=$','W',line('.')+3)
          silent delete
        end
        1
      endif
    elseif b:fugitive_type ==# 'blob'
      call s:ReplaceCmd(s:repo().git_command('cat-file',b:fugitive_type,hash))
    endif
    call setpos('.',pos)
    setlocal ro noma nomod nomodeline
    if b:fugitive_type !=# 'blob'
      set filetype=git
      nnoremap <buffer> <silent> a :let b:fugitive_display_format += 1<Bar>exe <SID>BufReadObject()<CR>
      nnoremap <buffer> <silent> i :let b:fugitive_display_format -= 1<Bar>exe <SID>BufReadObject()<CR>
    else
      call s:JumpInit()
    endif

    return ''
  catch /^fugitive:/
    return 'echoerr v:errmsg'
  endtry
endfunction

augroup fugitive_files
  autocmd!
  autocmd BufReadCmd  *.git/index                      exe s:BufReadIndex()
  autocmd FileReadCmd fugitive://**//[0-3]/**          exe s:FileRead()
  autocmd BufReadCmd  fugitive://**//[0-3]/**          exe s:BufReadIndexFile()
  autocmd BufWriteCmd fugitive://**//[0-3]/**          exe s:BufWriteIndexFile()
  autocmd BufReadCmd  fugitive://**//[0-9a-f][0-9a-f]* exe s:BufReadObject()
  autocmd FileReadCmd fugitive://**//[0-9a-f][0-9a-f]* exe s:FileRead()
  autocmd FileType git       call s:JumpInit()
augroup END

" }}}1
" Go to file {{{1

function! s:JumpInit() abort
  nnoremap <buffer> <silent> <CR>    :<C-U>exe <SID>GF("edit")<CR>
  if !&modifiable
    nnoremap <buffer> <silent> o     :<C-U>exe <SID>GF("split")<CR>
    nnoremap <buffer> <silent> O     :<C-U>exe <SID>GF("tabedit")<CR>
    nnoremap <buffer> <silent> P     :<C-U>exe <SID>Edit('edit',<SID>buffer().commit().'^'.v:count1.<SID>buffer().path(':'))<CR>
    nnoremap <buffer> <silent> ~     :<C-U>exe <SID>Edit('edit',<SID>buffer().commit().'~'.v:count1.<SID>buffer().path(':'))<CR>
    nnoremap <buffer> <silent> C     :<C-U>exe <SID>Edit('edit',<SID>buffer().containing_commit())<CR>
    nnoremap <buffer> <silent> c     :<C-U>exe <SID>Edit('pedit',<SID>buffer().containing_commit())<CR>
  endif
endfunction

function! s:GF(mode) abort
  try
    let buffer = s:buffer()
    let myhash = buffer.sha1()

    if buffer.type('index')
      if getline('.') =~# '^\d\{6\} \x\{40\} \d\t'
        let ref = matchstr(getline('.'),'\x\{40\}')
        let file = ':'.s:sub(matchstr(getline('.'),'\d\t.*'),'\t',':')
        return s:Edit(a:mode,file)
      endif

    elseif buffer.type('tree')
      let showtree = (getline(1) =~# '^tree ' && getline(2) == "")
      if showtree && line('.') == 1
        return ""
      elseif showtree && line('.') > 2
        return s:Edit(a:mode,buffer.commit().':'.(buffer.path() == '' ? '' : buffer.path().'/').s:sub(getline('.'),'/$',''))
      elseif getline('.') =~# '^\d\{6\} \l\{3,8\} \x\{40\}\t'
        return s:Edit(a:mode,buffer.commit().':'.(buffer.path() == '' ? '' : buffer.path().'/').s:sub(matchstr(getline('.'),'\t\zs.*'),'/$',''))
      endif

    elseif buffer.type('blob')
      let ref = expand("<cfile>")
      try
        let sha1 = buffer.repo().rev_parse(ref)
      catch /^fugitive:/
      endtry
      if exists('sha1')
        return s:Edit(a:mode,ref)
      endif

    else
      let showtree = (getline(1) =~# '^tree ' && getline(2) == "")

      if getline('.') =~# '^ref: '
        let ref = strpart(getline('.'),5)

      elseif getline('.') =~# '^parent \x\{40\}\>'
        let ref = matchstr(getline('.'),'\x\{40\}')
        let line = line('.')
        let parent = 0
        while getline(line) =~# '^parent '
          let parent += 1
          let line -= 1
        endwhile
        return s:Edit(a:mode,ref)

      elseif getline('.') =~ '^tree \x\{40\}$'
        let ref = matchstr(getline('.'),'\x\{40\}')
        if s:repo().rev_parse(myhash.':') == ref
          let ref = myhash.':'
        endif
        return s:Edit(a:mode,ref)

      elseif getline('.') =~# '^object \x\{40\}$' && getline(line('.')+1) =~ '^type \%(commit\|tree\|blob\)$'
        let ref = matchstr(getline('.'),'\x\{40\}')
        let type = matchstr(getline(line('.')+1),'type \zs.*')

      elseif getline('.') =~# '^\l\{3,8\} '.myhash.'$'
        return ''

      elseif getline('.') =~# '^\l\{3,8\} \x\{40\}\>'
        let ref = matchstr(getline('.'),'\x\{40\}')
        echoerr "warning: unknown context ".matchstr(getline('.'),'^\l*')

      elseif getline('.') =~# '^[+-]\{3\} [ab/]'
        let ref = getline('.')[4:]

      elseif line('$') == 1 && getline('.') =~ '^\x\{40\}$'
        let ref = getline('.')
      else
        let ref = ''
      endif

      if myhash != ''
        let ref = s:sub(ref,'^a/',myhash.'^:')
        let ref = s:sub(ref,'^b/',myhash.':')
      endif

      if ref == '/dev/null'
        " Empty blob
        let ref = 'e69de29bb2d1d6434b8b29ae775ad8c2e48c5391'
      endif

      if ref != ""
        return s:Edit(a:mode,ref)
      endif

    endif
    return ''
  catch /^fugitive:/
    return 'echoerr v:errmsg'
  endtry
endfunction

" }}}1

" vim:set ft=vim ts=8 sw=2 sts=2:
Tip: Filter by directory path e.g. /media app.js to search for public/media/app.js.
Tip: Use camelCasing e.g. ProjME to search for ProjectModifiedEvent.java.
Tip: Filter by extension type e.g. /repo .js to search for all .js files in the /repo directory.
Tip: Separate your search with spaces e.g. /ssh pom.xml to search for src/ssh/pom.xml.
Tip: Use ↑ and ↓ arrow keys to navigate and return to view the file.
Tip: You can also navigate files with Ctrl+j (next) and Ctrl+k (previous) and view the file with Ctrl+o.
Tip: You can also navigate files with Alt+j (next) and Alt+k (previous) and view the file with Alt+o.