(共556篇)
全部分类

mac中安装homebrew(修改安装文件源码版)
[ Linux相关 ] 

某些原因下,系统访问不了github,导致homebrew安装失败,这是homebrew的安装文件源码,修改了67和68行,使用的清华镜像,如果想使用阿里或者腾讯,可以自行修改,复制粘贴保存到mac上,保存为homebrew-install.sh文件,修改为可执行文件,直接运行即可.

  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
#!/bin/bash
set -u

abort() {
  printf "%s\n" "$@"
  exit 1
}

if [ -z "${BASH_VERSION:-}" ]; then
  abort "Bash is required to interpret this script."
fi

# Check if script is run non-interactively (e.g. CI)
# If it is run non-interactively we should not prompt for passwords.
if [[ ! -t 0 || -n "${CI-}" ]]; then
  NONINTERACTIVE=1
fi

# First check OS.
OS="$(uname)"
if [[ "$OS" == "Linux" ]]; then
  HOMEBREW_ON_LINUX=1
elif [[ "$OS" != "Darwin" ]]; then
  abort "Homebrew is only supported on macOS and Linux."
fi

# Required installation paths. To install elsewhere (which is unsupported)
# you can untar https://github.com/Homebrew/brew/tarball/master
# anywhere you like.
if [[ -z "${HOMEBREW_ON_LINUX-}" ]]; then
  UNAME_MACHINE="$(/usr/bin/uname -m)"

  if [[ "$UNAME_MACHINE" == "arm64" ]]; then
    # On ARM macOS, this script installs to /opt/homebrew only
    HOMEBREW_PREFIX="/opt/homebrew"
    HOMEBREW_REPOSITORY="${HOMEBREW_PREFIX}"
  else
    # On Intel macOS, this script installs to /usr/local only
    HOMEBREW_PREFIX="/usr/local"
    HOMEBREW_REPOSITORY="${HOMEBREW_PREFIX}/Homebrew"
  fi
  HOMEBREW_CACHE="${HOME}/Library/Caches/Homebrew"
  HOMEBREW_CORE_DEFAULT_GIT_REMOTE="https://github.com/Homebrew/homebrew-core"

  STAT="stat -f"
  CHOWN="/usr/sbin/chown"
  CHGRP="/usr/bin/chgrp"
  GROUP="admin"
  TOUCH="/usr/bin/touch"
else
  UNAME_MACHINE="$(uname -m)"

  # On Linux, it installs to /home/linuxbrew/.linuxbrew if you have sudo access
  # and ~/.linuxbrew (which is unsupported) if run interactively.
  HOMEBREW_PREFIX_DEFAULT="/home/linuxbrew/.linuxbrew"
  HOMEBREW_CACHE="${HOME}/.cache/Homebrew"
  HOMEBREW_CORE_DEFAULT_GIT_REMOTE="https://github.com/Homebrew/linuxbrew-core"

  STAT="stat --printf"
  CHOWN="/bin/chown"
  CHGRP="/bin/chgrp"
  GROUP="$(id -gn)"
  TOUCH="/bin/touch"
fi
HOMEBREW_BREW_DEFAULT_GIT_REMOTE="https://github.com/Homebrew/brew"

HOMEBREW_BREW_DEFAULT_GIT_REMOTE="https://mirrors.ustc.edu.cn/brew.git"
HOMEBREW_CORE_DEFAULT_GIT_REMOTE="https://mirrors.ustc.edu.cn/homebrew-core.git"

# Use remote URLs of Homebrew repositories from environment if set.
HOMEBREW_BREW_GIT_REMOTE="${HOMEBREW_BREW_GIT_REMOTE:-"${HOMEBREW_BREW_DEFAULT_GIT_REMOTE}"}"
HOMEBREW_CORE_GIT_REMOTE="${HOMEBREW_CORE_GIT_REMOTE:-"${HOMEBREW_CORE_DEFAULT_GIT_REMOTE}"}"
# The URLs with and without the '.git' suffix are the same Git remote. Do not prompt.
if [[ "$HOMEBREW_BREW_GIT_REMOTE" == "${HOMEBREW_BREW_DEFAULT_GIT_REMOTE}.git" ]]; then
  HOMEBREW_BREW_GIT_REMOTE="${HOMEBREW_BREW_DEFAULT_GIT_REMOTE}"
fi
if [[ "$HOMEBREW_CORE_GIT_REMOTE" == "${HOMEBREW_CORE_DEFAULT_GIT_REMOTE}.git" ]]; then
  HOMEBREW_CORE_GIT_REMOTE="${HOMEBREW_CORE_DEFAULT_GIT_REMOTE}"
fi
export HOMEBREW_{BREW,CORE}_GIT_REMOTE

# TODO: bump version when new macOS is released or announced
MACOS_NEWEST_UNSUPPORTED="12.0"
# TODO: bump version when new macOS is released
MACOS_OLDEST_SUPPORTED="10.14"

# For Homebrew on Linux
REQUIRED_RUBY_VERSION=2.6  # https://github.com/Homebrew/brew/pull/6556
REQUIRED_GLIBC_VERSION=2.13  # https://docs.brew.sh/Homebrew-on-Linux#requirements

# no analytics during installation
export HOMEBREW_NO_ANALYTICS_THIS_RUN=1
export HOMEBREW_NO_ANALYTICS_MESSAGE_OUTPUT=1

# string formatters
if [[ -t 1 ]]; then
  tty_escape() { printf "\033[%sm" "$1"; }
else
  tty_escape() { :; }
fi
tty_mkbold() { tty_escape "1;$1"; }
tty_underline="$(tty_escape "4;39")"
tty_blue="$(tty_mkbold 34)"
tty_red="$(tty_mkbold 31)"
tty_bold="$(tty_mkbold 39)"
tty_reset="$(tty_escape 0)"

have_sudo_access() {
  local -a args
  if [[ -n "${SUDO_ASKPASS-}" ]]; then
    args=("-A")
  elif [[ -n "${NONINTERACTIVE-}" ]]; then
    args=("-n")
  fi

  if [[ -z "${HAVE_SUDO_ACCESS-}" ]]; then
    if [[ -n "${args[*]-}" ]]; then
      SUDO="/usr/bin/sudo ${args[*]}"
    else
      SUDO="/usr/bin/sudo"
    fi
    if [[ -n "${NONINTERACTIVE-}" ]]; then
      ${SUDO} -l mkdir &>/dev/null
    else
      ${SUDO} -v && ${SUDO} -l mkdir &>/dev/null
    fi
    HAVE_SUDO_ACCESS="$?"
  fi

  if [[ -z "${HOMEBREW_ON_LINUX-}" ]] && [[ "$HAVE_SUDO_ACCESS" -ne 0 ]]; then
    abort "Need sudo access on macOS (e.g. the user $USER needs to be an Administrator)!"
  fi

  return "$HAVE_SUDO_ACCESS"
}

shell_join() {
  local arg
  printf "%s" "$1"
  shift
  for arg in "$@"; do
    printf " "
    printf "%s" "${arg// /\ }"
  done
}

chomp() {
  printf "%s" "${1/"$'\n'"/}"
}

ohai() {
  printf "${tty_blue}==>${tty_bold} %s${tty_reset}\n" "$(shell_join "$@")"
}

warn() {
  printf "${tty_red}Warning${tty_reset}: %s\n" "$(chomp "$1")"
}

execute() {
  if ! "$@"; then
    abort "$(printf "Failed during: %s" "$(shell_join "$@")")"
  fi
}

execute_sudo() {
  local -a args=("$@")
  if have_sudo_access; then
    if [[ -n "${SUDO_ASKPASS-}" ]]; then
      args=("-A" "${args[@]}")
    fi
    ohai "/usr/bin/sudo" "${args[@]}"
    execute "/usr/bin/sudo" "${args[@]}"
  else
    ohai "${args[@]}"
    execute "${args[@]}"
  fi
}

getc() {
  local save_state
  save_state=$(/bin/stty -g)
  /bin/stty raw -echo
  IFS= read -r -n 1 -d '' "$@"
  /bin/stty "$save_state"
}

ring_bell() {
  # Use the shell's audible bell.
  if [[ -t 1 ]]; then
    printf "\a"
  fi
}

wait_for_user() {
  local c
  echo
  echo "Press RETURN to continue or any other key to abort"
  getc c
  # we test for \r and \n because some stuff does \r instead
  if ! [[ "$c" == $'\r' || "$c" == $'\n' ]]; then
    exit 1
  fi
}

major_minor() {
  echo "${1%%.*}.$(x="${1#*.}"; echo "${x%%.*}")"
}

version_gt() {
  [[ "${1%.*}" -gt "${2%.*}" ]] || [[ "${1%.*}" -eq "${2%.*}" && "${1#*.}" -gt "${2#*.}" ]]
}
version_ge() {
  [[ "${1%.*}" -gt "${2%.*}" ]] || [[ "${1%.*}" -eq "${2%.*}" && "${1#*.}" -ge "${2#*.}" ]]
}
version_lt() {
  [[ "${1%.*}" -lt "${2%.*}" ]] || [[ "${1%.*}" -eq "${2%.*}" && "${1#*.}" -lt "${2#*.}" ]]
}

should_install_command_line_tools() {
  if [[ -n "${HOMEBREW_ON_LINUX-}" ]]; then
    return 1
  fi

  if version_gt "$macos_version" "10.13"; then
    ! [[ -e "/Library/Developer/CommandLineTools/usr/bin/git" ]]
  else
    ! [[ -e "/Library/Developer/CommandLineTools/usr/bin/git" ]] ||
      ! [[ -e "/usr/include/iconv.h" ]]
  fi
}

get_permission() {
  $STAT "%A" "$1"
}

user_only_chmod() {
  [[ -d "$1" ]] && [[ "$(get_permission "$1")" != "755" ]]
}

exists_but_not_writable() {
  [[ -e "$1" ]] && ! [[ -r "$1" && -w "$1" && -x "$1" ]]
}

get_owner() {
  $STAT "%u" "$1"
}

file_not_owned() {
  [[ "$(get_owner "$1")" != "$(id -u)" ]]
}

get_group() {
  $STAT "%g" "$1"
}

file_not_grpowned() {
  [[ " $(id -G "$USER") " != *" $(get_group "$1") "*  ]]
}

# Please sync with 'test_ruby()' in 'Library/Homebrew/utils/ruby.sh' from Homebrew/brew repository.
test_ruby() {
  if [[ ! -x $1 ]]
  then
    return 1
  fi

  "$1" --enable-frozen-string-literal --disable=gems,did_you_mean,rubyopt -rrubygems -e \
    "abort if Gem::Version.new(RUBY_VERSION.to_s.dup).to_s.split('.').first(2) != \
              Gem::Version.new('$REQUIRED_RUBY_VERSION').to_s.split('.').first(2)" 2>/dev/null
}

no_usable_ruby() {
  local ruby_exec
  IFS=$'\n' # Do word splitting on new lines only
  for ruby_exec in $(which -a ruby); do
    if test_ruby "$ruby_exec"; then
      IFS=$' \t\n' # Restore IFS to its default value
      return 1
    fi
  done
  IFS=$' \t\n' # Restore IFS to its default value
  return 0
}

outdated_glibc() {
  local glibc_version
  glibc_version=$(ldd --version | head -n1 | grep -o '[0-9.]*$' | grep -o '^[0-9]\+\.[0-9]\+')
  version_lt "$glibc_version" "$REQUIRED_GLIBC_VERSION"
}

if [[ -n "${HOMEBREW_ON_LINUX-}" ]] && no_usable_ruby && outdated_glibc
then
    abort "$(cat <<-EOFABORT
	Homebrew requires Ruby $REQUIRED_RUBY_VERSION which was not found on your system.
	Homebrew portable Ruby requires Glibc version $REQUIRED_GLIBC_VERSION or newer,
	and your Glibc version is too old.
	See ${tty_underline}https://docs.brew.sh/Homebrew-on-Linux#requirements${tty_reset}
	Install Ruby $REQUIRED_RUBY_VERSION and add its location to your PATH.
	EOFABORT
    )"
fi

# USER isn't always set so provide a fall back for the installer and subprocesses.
if [[ -z "${USER-}" ]]; then
  USER="$(chomp "$(id -un)")"
  export USER
fi

# Invalidate sudo timestamp before exiting (if it wasn't active before).
if ! /usr/bin/sudo -n -v 2>/dev/null; then
  trap '/usr/bin/sudo -k' EXIT
fi

# Things can fail later if `pwd` doesn't exist.
# Also sudo prints a warning message for no good reason
cd "/usr" || exit 1

####################################################################### script
if ! command -v git >/dev/null; then
    abort "$(cat <<EOABORT
You must install Git before installing Homebrew. See:
  ${tty_underline}https://docs.brew.sh/Installation${tty_reset}
EOABORT
)"
fi

if ! command -v curl >/dev/null; then
    abort "$(cat <<EOABORT
You must install cURL before installing Homebrew. See:
  ${tty_underline}https://docs.brew.sh/Installation${tty_reset}
EOABORT
)"
fi

# shellcheck disable=SC2016
ohai 'Checking for `sudo` access (which may request your password).'

if [[ -z "${HOMEBREW_ON_LINUX-}" ]]; then
  have_sudo_access
else
  if [[ -n "${NONINTERACTIVE-}" ]] ||
     [[ -w "${HOMEBREW_PREFIX_DEFAULT}" ]] ||
     [[ -w "/home/linuxbrew" ]] ||
     [[ -w "/home" ]]; then
    HOMEBREW_PREFIX="$HOMEBREW_PREFIX_DEFAULT"
  else
    trap exit SIGINT
    if ! /usr/bin/sudo -n -v &>/dev/null; then
      ohai "Select the Homebrew installation directory"
      echo "- ${tty_bold}Enter your password${tty_reset} to install to ${tty_underline}${HOMEBREW_PREFIX_DEFAULT}${tty_reset} (${tty_bold}recommended${tty_reset})"
      echo "- ${tty_bold}Press Control-D${tty_reset} to install to ${tty_underline}$HOME/.linuxbrew${tty_reset}"
      echo "- ${tty_bold}Press Control-C${tty_reset} to cancel installation"
    fi
    if have_sudo_access; then
      HOMEBREW_PREFIX="$HOMEBREW_PREFIX_DEFAULT"
    else
      HOMEBREW_PREFIX="$HOME/.linuxbrew"
    fi
    trap - SIGINT
  fi
  HOMEBREW_REPOSITORY="${HOMEBREW_PREFIX}/Homebrew"
fi
HOMEBREW_CORE="${HOMEBREW_REPOSITORY}/Library/Taps/homebrew/homebrew-core"

if [[ "${EUID:-${UID}}" == "0" ]]; then
  abort "Don't run this as root!"
elif [[ -d "${HOMEBREW_PREFIX}" && ! -x "${HOMEBREW_PREFIX}" ]]; then
  abort "$(cat <<EOABORT
The Homebrew prefix, ${HOMEBREW_PREFIX}, exists but is not searchable.
If this is not intentional, please restore the default permissions and
try running the installer again:
    sudo chmod 775 ${HOMEBREW_PREFIX}
EOABORT
)"
fi

if [[ -z "${HOMEBREW_ON_LINUX-}" ]]; then
  # On macOS, support 64-bit Intel and ARM
  if [[ "$UNAME_MACHINE" != "arm64" ]] && [[ "$UNAME_MACHINE" != "x86_64" ]]; then
    abort "Homebrew is only supported on Intel and ARM processors!"
  fi
else
  # On Linux, support only 64-bit Intel
  if [[ "$UNAME_MACHINE" == "arm64" ]]; then
    abort "$(cat <<EOABORT
Homebrew on Linux is not supported on ARM processors.
You can try an alternate installation method instead:
  ${tty_underline}https://docs.brew.sh/Homebrew-on-Linux#arm${tty_reset}
EOABORT
)"
  elif [[ "$UNAME_MACHINE" != "x86_64" ]]; then
    abort "Homebrew on Linux is only supported on Intel processors!"
  fi
fi

if [[ -z "${HOMEBREW_ON_LINUX-}" ]]; then
  macos_version="$(major_minor "$(/usr/bin/sw_vers -productVersion)")"
  if version_lt "$macos_version" "10.7"; then
    abort "$(cat <<EOABORT
Your Mac OS X version is too old. See:
  ${tty_underline}https://github.com/mistydemeo/tigerbrew${tty_reset}
EOABORT
)"
  elif version_lt "$macos_version" "10.10"; then
    abort "Your OS X version is too old"
  elif version_ge "$macos_version" "$MACOS_NEWEST_UNSUPPORTED" || \
    version_lt "$macos_version" "$MACOS_OLDEST_SUPPORTED"; then
    who="We"
    what=""
    if version_ge "$macos_version" "$MACOS_NEWEST_UNSUPPORTED"; then
      what="pre-release version"
    else
      who+=" (and Apple)"
      what="old version"
    fi
    ohai "You are using macOS ${macos_version}."
    ohai "${who} do not provide support for this ${what}."

    echo "$(cat <<EOS
This installation may not succeed.
After installation, you will encounter build failures with some formulae.
Please create pull requests instead of asking for help on Homebrew\'s GitHub,
Twitter or IRC. You are responsible for resolving any issues you experience
while you are running this ${what}.
EOS
)
"
  fi
fi

ohai "This script will install:"
echo "${HOMEBREW_PREFIX}/bin/brew"
echo "${HOMEBREW_PREFIX}/share/doc/homebrew"
echo "${HOMEBREW_PREFIX}/share/man/man1/brew.1"
echo "${HOMEBREW_PREFIX}/share/zsh/site-functions/_brew"
echo "${HOMEBREW_PREFIX}/etc/bash_completion.d/brew"
echo "${HOMEBREW_REPOSITORY}"

# Keep relatively in sync with
# https://github.com/Homebrew/brew/blob/master/Library/Homebrew/keg.rb
directories=(bin etc include lib sbin share opt var
             Frameworks
             etc/bash_completion.d lib/pkgconfig
             share/aclocal share/doc share/info share/locale share/man
             share/man/man1 share/man/man2 share/man/man3 share/man/man4
             share/man/man5 share/man/man6 share/man/man7 share/man/man8
             var/log var/homebrew var/homebrew/linked
             bin/brew)
group_chmods=()
for dir in "${directories[@]}"; do
  if exists_but_not_writable "${HOMEBREW_PREFIX}/${dir}"; then
    group_chmods+=("${HOMEBREW_PREFIX}/${dir}")
  fi
done

# zsh refuses to read from these directories if group writable
directories=(share/zsh share/zsh/site-functions)
zsh_dirs=()
for dir in "${directories[@]}"; do
  zsh_dirs+=("${HOMEBREW_PREFIX}/${dir}")
done

directories=(bin etc include lib sbin share var opt
             share/zsh share/zsh/site-functions
             var/homebrew var/homebrew/linked
             Cellar Caskroom Frameworks)
mkdirs=()
for dir in "${directories[@]}"; do
  if ! [[ -d "${HOMEBREW_PREFIX}/${dir}" ]]; then
    mkdirs+=("${HOMEBREW_PREFIX}/${dir}")
  fi
done

user_chmods=()
if [[ "${#zsh_dirs[@]}" -gt 0 ]]; then
  for dir in "${zsh_dirs[@]}"; do
    if user_only_chmod "${dir}"; then
      user_chmods+=("${dir}")
    fi
  done
fi

chmods=()
if [[ "${#group_chmods[@]}" -gt 0 ]]; then
  chmods+=("${group_chmods[@]}")
fi
if [[ "${#user_chmods[@]}" -gt 0 ]]; then
  chmods+=("${user_chmods[@]}")
fi

chowns=()
chgrps=()
if [[ "${#chmods[@]}" -gt 0 ]]; then
  for dir in "${chmods[@]}"; do
    if file_not_owned "${dir}"; then
      chowns+=("${dir}")
    fi
    if file_not_grpowned "${dir}"; then
      chgrps+=("${dir}")
    fi
  done
fi

if [[ "${#group_chmods[@]}" -gt 0 ]]; then
  ohai "The following existing directories will be made group writable:"
  printf "%s\n" "${group_chmods[@]}"
fi
if [[ "${#user_chmods[@]}" -gt 0 ]]; then
  ohai "The following existing directories will be made writable by user only:"
  printf "%s\n" "${user_chmods[@]}"
fi
if [[ "${#chowns[@]}" -gt 0 ]]; then
  ohai "The following existing directories will have their owner set to ${tty_underline}${USER}${tty_reset}:"
  printf "%s\n" "${chowns[@]}"
fi
if [[ "${#chgrps[@]}" -gt 0 ]]; then
  ohai "The following existing directories will have their group set to ${tty_underline}${GROUP}${tty_reset}:"
  printf "%s\n" "${chgrps[@]}"
fi
if [[ "${#mkdirs[@]}" -gt 0 ]]; then
  ohai "The following new directories will be created:"
  printf "%s\n" "${mkdirs[@]}"
fi

if should_install_command_line_tools; then
  ohai "The Xcode Command Line Tools will be installed."
fi

non_default_repos=""
additional_shellenv_commands=()
if [[ "$HOMEBREW_BREW_DEFAULT_GIT_REMOTE" != "$HOMEBREW_BREW_GIT_REMOTE" ]]; then
  ohai "HOMEBREW_BREW_GIT_REMOTE is set to a non-default URL:"
  echo "${tty_underline}${HOMEBREW_BREW_GIT_REMOTE}${tty_reset} will be used for Homebrew/brew Git remote."
  non_default_repos="Homebrew/brew"
  additional_shellenv_commands+=("export HOMEBREW_BREW_GIT_REMOTE=\"$HOMEBREW_BREW_GIT_REMOTE\"")
fi

if [[ "$HOMEBREW_CORE_DEFAULT_GIT_REMOTE" != "$HOMEBREW_CORE_GIT_REMOTE" ]]; then
  ohai "HOMEBREW_CORE_GIT_REMOTE is set to a non-default URL:"
  echo "${tty_underline}${HOMEBREW_CORE_GIT_REMOTE}${tty_reset} will be used for Homebrew/core Git remote."
  non_default_repos="${non_default_repos:-}${non_default_repos:+ and }Homebrew/core"
  additional_shellenv_commands+=("export HOMEBREW_CORE_GIT_REMOTE=\"$HOMEBREW_CORE_GIT_REMOTE\"")
fi

if [[ -z "${NONINTERACTIVE-}" ]]; then
  ring_bell
  wait_for_user
fi

if [[ -d "${HOMEBREW_PREFIX}" ]]; then
  if [[ "${#chmods[@]}" -gt 0 ]]; then
    execute_sudo "/bin/chmod" "u+rwx" "${chmods[@]}"
  fi
  if [[ "${#group_chmods[@]}" -gt 0 ]]; then
    execute_sudo "/bin/chmod" "g+rwx" "${group_chmods[@]}"
  fi
  if [[ "${#user_chmods[@]}" -gt 0 ]]; then
    execute_sudo "/bin/chmod" "755" "${user_chmods[@]}"
  fi
  if [[ "${#chowns[@]}" -gt 0 ]]; then
    execute_sudo "$CHOWN" "$USER" "${chowns[@]}"
  fi
  if [[ "${#chgrps[@]}" -gt 0 ]]; then
    execute_sudo "$CHGRP" "$GROUP" "${chgrps[@]}"
  fi
else
  execute_sudo "/bin/mkdir" "-p" "${HOMEBREW_PREFIX}"
  if [[ -z "${HOMEBREW_ON_LINUX-}" ]]; then
    execute_sudo "$CHOWN" "root:wheel" "${HOMEBREW_PREFIX}"
  else
    execute_sudo "$CHOWN" "$USER:$GROUP" "${HOMEBREW_PREFIX}"
  fi
fi

if [[ "${#mkdirs[@]}" -gt 0 ]]; then
  execute_sudo "/bin/mkdir" "-p" "${mkdirs[@]}"
  execute_sudo "/bin/chmod" "g+rwx" "${mkdirs[@]}"
  execute_sudo "$CHOWN" "$USER" "${mkdirs[@]}"
  execute_sudo "$CHGRP" "$GROUP" "${mkdirs[@]}"
fi

if ! [[ -d "${HOMEBREW_REPOSITORY}" ]]; then
  execute_sudo "/bin/mkdir" "-p" "${HOMEBREW_REPOSITORY}"
fi
execute_sudo "$CHOWN" "-R" "$USER:$GROUP" "${HOMEBREW_REPOSITORY}"

if ! [[ -d "${HOMEBREW_CACHE}" ]]; then
  if [[ -z "${HOMEBREW_ON_LINUX-}" ]]; then
    execute_sudo "/bin/mkdir" "-p" "${HOMEBREW_CACHE}"
  else
    execute "/bin/mkdir" "-p" "${HOMEBREW_CACHE}"
  fi
fi
if exists_but_not_writable "${HOMEBREW_CACHE}"; then
  execute_sudo "/bin/chmod" "g+rwx" "${HOMEBREW_CACHE}"
fi
if file_not_owned "${HOMEBREW_CACHE}"; then
  execute_sudo "$CHOWN" "-R" "$USER" "${HOMEBREW_CACHE}"
fi
if file_not_grpowned "${HOMEBREW_CACHE}"; then
  execute_sudo "$CHGRP" "-R" "$GROUP" "${HOMEBREW_CACHE}"
fi
if [[ -d "${HOMEBREW_CACHE}" ]]; then
  execute "$TOUCH" "${HOMEBREW_CACHE}/.cleaned"
fi

if should_install_command_line_tools && version_ge "$macos_version" "10.13"; then
  ohai "Searching online for the Command Line Tools"
  # This temporary file prompts the 'softwareupdate' utility to list the Command Line Tools
  clt_placeholder="/tmp/.com.apple.dt.CommandLineTools.installondemand.in-progress"
  execute_sudo "$TOUCH" "$clt_placeholder"

  clt_label_command="/usr/sbin/softwareupdate -l |
                      grep -B 1 -E 'Command Line Tools' |
                      awk -F'*' '/^ *\\*/ {print \$2}' |
                      sed -e 's/^ *Label: //' -e 's/^ *//' |
                      sort -V |
                      tail -n1"
  clt_label="$(chomp "$(/bin/bash -c "$clt_label_command")")"

  if [[ -n "$clt_label" ]]; then
    ohai "Installing $clt_label"
    execute_sudo "/usr/sbin/softwareupdate" "-i" "$clt_label"
    execute_sudo "/bin/rm" "-f" "$clt_placeholder"
    execute_sudo "/usr/bin/xcode-select" "--switch" "/Library/Developer/CommandLineTools"
  fi
fi

# Headless install may have failed, so fallback to original 'xcode-select' method
if should_install_command_line_tools && test -t 0; then
  ohai "Installing the Command Line Tools (expect a GUI popup):"
  execute_sudo "/usr/bin/xcode-select" "--install"
  echo "Press any key when the installation has completed."
  getc
  execute_sudo "/usr/bin/xcode-select" "--switch" "/Library/Developer/CommandLineTools"
fi

if [[ -z "${HOMEBREW_ON_LINUX-}" ]] && ! output="$(/usr/bin/xcrun clang 2>&1)" && [[ "$output" == *"license"* ]]; then
  abort "$(cat <<EOABORT
You have not agreed to the Xcode license.
Before running the installer again please agree to the license by opening
Xcode.app or running:
    sudo xcodebuild -license
EOABORT
)"
fi

ohai "Downloading and installing Homebrew..."
(
  cd "${HOMEBREW_REPOSITORY}" >/dev/null || return

  # we do it in four steps to avoid merge errors when reinstalling
  execute "git" "init" "-q"

  # "git remote add" will fail if the remote is defined in the global config
  execute "git" "config" "remote.origin.url" "${HOMEBREW_BREW_GIT_REMOTE}"
  execute "git" "config" "remote.origin.fetch" "+refs/heads/*:refs/remotes/origin/*"

  # ensure we don't munge line endings on checkout
  execute "git" "config" "core.autocrlf" "false"

  execute "git" "fetch" "--force" "origin"
  execute "git" "fetch" "--force" "--tags" "origin"

  execute "git" "reset" "--hard" "origin/master"

  if [[ "${HOMEBREW_REPOSITORY}" != "${HOMEBREW_PREFIX}" ]]; then
    execute "ln" "-sf" "${HOMEBREW_REPOSITORY}/bin/brew" "${HOMEBREW_PREFIX}/bin/brew"
  fi

  if [[ ! -d "${HOMEBREW_CORE}" ]]; then
    ohai "Tapping homebrew/core"
    (
      execute "/bin/mkdir" "-p" "${HOMEBREW_CORE}"
      cd "${HOMEBREW_CORE}" >/dev/null || return

      execute "git" "init" "-q"
      execute "git" "config" "remote.origin.url" "${HOMEBREW_CORE_GIT_REMOTE}"
      execute "git" "config" "remote.origin.fetch" "+refs/heads/*:refs/remotes/origin/*"
      execute "git" "config" "core.autocrlf" "false"
      execute "git" "fetch" "--force" "origin" "refs/heads/master:refs/remotes/origin/master"
      execute "git" "remote" "set-head" "origin" "--auto" >/dev/null
      execute "git" "reset" "--hard" "origin/master"

      cd "${HOMEBREW_REPOSITORY}" >/dev/null || return
    ) || exit 1
  fi

  execute "${HOMEBREW_PREFIX}/bin/brew" "update" "--force" "--quiet"
) || exit 1

if [[ ":${PATH}:" != *":${HOMEBREW_PREFIX}/bin:"* ]]; then
  warn "${HOMEBREW_PREFIX}/bin is not in your PATH."
fi

ohai "Installation successful!"
echo

ring_bell

# Use an extra newline and bold to avoid this being missed.
ohai "Homebrew has enabled anonymous aggregate formulae and cask analytics."
echo "$(cat <<EOS
${tty_bold}Read the analytics documentation (and how to opt-out) here:
  ${tty_underline}https://docs.brew.sh/Analytics${tty_reset}
No analytics data has been sent yet (or will be during this \`install\` run).
EOS
)
"

ohai "Homebrew is run entirely by unpaid volunteers. Please consider donating:"
echo "$(cat <<EOS
  ${tty_underline}https://github.com/Homebrew/brew#donations${tty_reset}
EOS
)
"

(
  cd "${HOMEBREW_REPOSITORY}" >/dev/null || return
  execute "git" "config" "--replace-all" "homebrew.analyticsmessage" "true"
  execute "git" "config" "--replace-all" "homebrew.caskanalyticsmessage" "true"
) || exit 1

ohai "Next steps:"
case "$SHELL" in
  */bash*)
    if [[ -r "$HOME/.bash_profile" ]]; then
      shell_profile="$HOME/.bash_profile"
    else
      shell_profile="$HOME/.profile"
    fi
    ;;
  */zsh*)
    shell_profile="$HOME/.zprofile"
    ;;
  *)
    shell_profile="$HOME/.profile"
    ;;
esac
if [[ "$UNAME_MACHINE" == "arm64" ]] || [[ -n "${HOMEBREW_ON_LINUX-}" ]]; then
  cat <<EOS
- Add Homebrew to your ${tty_bold}PATH${tty_reset} in ${tty_underline}${shell_profile}${tty_reset}:
    echo 'eval "\$(${HOMEBREW_PREFIX}/bin/brew shellenv)"' >> ${shell_profile}
    eval "\$(${HOMEBREW_PREFIX}/bin/brew shellenv)"
EOS
fi
if [[ -n "${non_default_repos}" ]]; then
  s=""
  if [[ "${#additional_shellenv_commands[@]}" -gt 1 ]]; then
    s="s"
  fi
  echo "- Add the non-default Git remote${s} for ${non_default_repos} in ${tty_underline}${shell_profile}${tty_reset}:"
  printf "    echo '%s' >> ${shell_profile}\n" "${additional_shellenv_commands[@]}"
  printf "    %s\n" "${additional_shellenv_commands[@]}"
fi

echo "- Run \`brew help\` to get started"
echo "- Further documentation: "
echo "    ${tty_underline}https://docs.brew.sh${tty_reset}"

if [[ -n "${HOMEBREW_ON_LINUX-}" ]]; then
  echo "- Install the Homebrew dependencies if you have sudo access:"

  if [[ $(command -v apt-get) ]]; then
    echo "    sudo apt-get install build-essential"
  elif [[ $(command -v yum) ]]; then
    echo "    sudo yum groupinstall 'Development Tools'"
  elif [[ $(command -v pacman) ]]; then
    echo "    sudo pacman -S base-devel"
  elif [[ $(command -v apk) ]]; then
    echo "    sudo apk add build-base"
  fi

  cat <<EOS
    See ${tty_underline}https://docs.brew.sh/linux${tty_reset} for more information
- We recommend that you install GCC:
    brew install gcc

EOS
fi