環境
macOS : High Sierra 10.13.6
Xcode : Version 10.0 (10A255)
手順
ローカルのFomulaのディレクトリに移動。
cd /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core/Formula/
Terminalで現在インストールされているバージョンを確認。
*がついているのが今動いているバージョン。
$ brew info jpeg
jpeg: stable 8d
Image manipulation library
http://www.ijg.org
/usr/local/Cellar/jpeg/8d (20 files, 734.6KB)
Built from source on 2018-10-10 at 11:11:05
/usr/local/Cellar/jpeg/9c (21 files, 724.5KB) *
Poured from bottle on 2018-10-09 at 19:17:29
From: https://github.com/Homebrew/homebrew-core/blob/master/Formula/jpeg.rb
==> Options
--universal
Build a universal binary
==> Analytics
install: 113,600 (30d), 535,050 (90d), 1,663,212 (365d)
install_on_request: 5,734 (30d), 31,458 (90d), 82,705 (365d)
build_error: 9 (30d)
A. 動かしたい過去バージョンが既にある場合
brew switch
でいける。
$ brew switch jpeg 8d
Cleaning /usr/local/Cellar/jpeg/9c
Cleaning /usr/local/Cellar/jpeg/8d
17 links created for /usr/local/Cellar/jpeg/8d
B. 過去バージョンがない場合
git log
で必要なバージョンのコミットを探す。
[q]キーで閲覧状態をエスケープ。
$ git log jpeg.rb
commit ae184c6fe491b63ab7624061f4078a1a2e9db3cd
Author: BrewTestBot <brew-test-bot@googlegroups.com>
Date: Wed Aug 15 21:51:17 2018 +0000
jpeg: update 9c bottle.
commit 299fc3de1d9bcc4f04c303f0a0cec9921e4e2e8c
Author: Viktor Szakats <commit@vszakats.net>
Date: Mon Jul 30 12:11:24 2018 +0000
jpeg: secure/fix url(s)
commit a70cad368bc5a14be037d24018ec9114d6b32f90
Author: ilovezfs <ilovezfs@icloud.com>
Date: Mon Jul 9 13:57:38 2018 +0100
jpeg: mirror to Bintray and use Bintray as primary (#29885)
also add fossies mirror
.
.
.
対象のものをcheckoutする
$ git checkout 7f16e5aa9451ea391cbb7822a59d2bf702c5b834 jpeg.rb
そしてinstall
$brew install jpeg
既に現行バージョンがはいってるよ、と言われるので縁を切る。
$ brew install jpeg
Error: jpeg 9c is already installed
To install 8d, first run `brew unlink jpeg`
$brew unlink jpeg
Unlinking /usr/local/Cellar/jpeg/9c symlinks removed
改めてbrew install
で完了。
$brew install jpeg
brew info
で確認。
$ brew info jpeg
jpeg: stable 8d
Image manipulation library
http://www.ijg.org
/usr/local/Cellar/jpeg/8d (20 files, 734.6KB) *
Built from source on 2018-10-10 at 11:11:05
/usr/local/Cellar/jpeg/9c (21 files, 724.5KB)
Poured from bottle on 2018-10-09 at 19:17:29
From: https://github.com/Homebrew/homebrew-core/blob/master/Formula/jpeg.rb
==> Options
--universal
Build a universal binary
==> Analytics
install: 115,661 (30d), 535,050 (90d), 1,663,212 (365d)
install_on_request: 5,859 (30d), 31,458 (90d), 82,705 (365d)
build_error: 3 (30d)
一度インストールをしていればbrew switch
で好きなバージョンに簡単に切り替えられる。
$ brew switch jpeg 9c
Cleaning /usr/local/Cellar/jpeg/9c
Cleaning /usr/local/Cellar/jpeg/8d
18 links created for /usr/local/Cellar/jpeg/9c
nagahora-2:Formula nagahora$ brew info jpeg
jpeg: stable 8d
Image manipulation library
http://www.ijg.org
/usr/local/Cellar/jpeg/8d (20 files, 734.6KB)
Built from source on 2018-10-10 at 11:11:05
/usr/local/Cellar/jpeg/9c (21 files, 724.5KB) *
Poured from bottle on 2018-10-09 at 19:17:29
From: https://github.com/Homebrew/homebrew-core/blob/master/Formula/jpeg.rb
==> Options
--universal
Build a universal binary
==> Analytics
install: 115,661 (30d), 535,050 (90d), 1,663,212 (365d)
install_on_request: 5,859 (30d), 31,458 (90d), 82,705 (365d)
build_error: 3 (30d)