【GitHub】GitHub CLIのインストール方法と使い方

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はじめに

GitHub CLIのベータ版が公開されました。GitHub CLIは、イシューのフィルタリングやプルリクエストの作成、チェックアウトなどを実行可能なコマンドラインツールです。
本記事では、このGitHub CLIの導入とその使い方を紹介します。

GitHub CLIのインストール

Installation instructions
Take GitHub to the command line

macOSの場合、homebrewを使ってGitHub CLIをインストールするには、次のコマンドを実行します。

brew install github/gh/gh

PRの一覧を表示

PRの一覧を表示するときは、pr listを使用します。
オプションで-s、または–stateでopenやclosed、mergedなどのステータスを指定することができます。

$ gh pr list

Pull requests for golang/go

#37228  errors: add new function Temporary(error) bool                                                                                       aka-rider:errors-temporary
#37167  crypto/tls: This change removes the size parameter from the Generate functions                                                       brompwnie:patch-1
#37148  src/runtime/testdata/testprogcgo: fix goroutine leak on timeout                                                                      BurtonQin:bug-3-goroutine-leak
#37143  net/textproto, sync: add unlock before panic                                                                                         BurtonQin:bug-1-missing-unlock
#37125  doc: Rewrite godoc.org links to pkg.go.dev                                                                                           simon04:pkg.go.dev
#36989  cmd/go/internal/vet: print line numbers appropriately on list errors                                                                 nicks:nicks/vet
#36979  os: document Pid field from Process                                                                                                  tiriplicamihai:add-comment-to-exec-pid
#36966  net/mail: skip empty entries in parseAddressList                                                                                     timmydo:timmydo/obs-addr-list
#36945  crypto/x509: add RFC 5280/X509v2 compliant CRL generation function                                                                   rolandshoemaker:x509-create-crl-conform
#36938  encoding/json: fix broken link to json.org                                                                                           jonjohnsonjr:broken-link
#36920  cmd/vendor: create modules.txt even for unused deps                                                                                  jcrowgey:issue36580
#36910  encoding/base64: improve performance up to 40% total                                                                                 kirillx:master
#36903  os: error testing functions respect Unwrapper interface                                                                              husio:os_errors_unwrap
#36826  os: do not use procfs for os.Executable in dragonfly                                                                                 tuxillo:dragonfly-os-executable
#36815  strconv: Add ParseCompex function                                                                                                    pjebs:strconv.ParseCompex
#36783  x/website: Fix wrong variable name                                                                                                   HowJMay:fix_doc
#36732  bytes_test: Fix flaky test TestGrow                                                                                                  HowJMay:TestGrow
#36727  cmd/dist: ensure that cmd/internal/objabi/zbootstrap.go is cleaned properly                                                          SataQiu:fix-clean-20200124
#36715  cmd/go: validate module path in mod why                                                                                              GrigoriyMikhalkin:issue/36658
#36692  html/template: remove RawGit link from docs                                                                                          ncruces:ncruces-rawgit
#36678  net/http/httputil: add support for X-Forwarded-Proto, X-Forwarded-Host and an option to not trust forwarded headers in ReverseProxy  dunglas:x-forwarded
#36674  doc/articles/wiki/index.html: Added Missing Package                                                                                  ChiragSukhala:patch-1
#36630  go/constant: remove redundant octal & separator literals parsing                                                                     vovapi:constant-remove-todo
#36588  fmt: do not remove trailing zeros for %g and %G with #(sharp) flag                                                                   yah01:master
#36552  runtime/runtime2: pack the sudog struct                                                                                              tenderlove:pack-sudog
#36537  fix of #36535 issue                                                                                                                  ololosha228:fix-issue/36535
#36500  crypto/tls: create certs w/o KeyEncipherment KU for non-RSA keys in generate_cert.go                                                 cpu:cpu-generate-cert-fix-ku
#36454  solves #issues/36450                                                                                                                 petar-dambovaliev:issue/36450
#36412  add a scope variable choose                                                                                                          sleepingj:master
#36382  net/http: fix Transport upgrading responses for non-keep-alive requests                                                              nhooyr:upgrade

PRを指定してチェックアウト

PRブランチをチェックアウトするときは、pr checkoutコマンドを使用します。
引数にはPR番号を指定します。

$ gh pr checkout <number>

例)
$ gh pr checkout 36382
remote: Enumerating objects: 7, done.
remote: Counting objects: 100% (7/7), done.
remote: Total 8 (delta 7), reused 7 (delta 7), pack-reused 1
Unpacking objects: 100% (8/8), done.
From github.com:golang/go
 * [new ref]               refs/pull/36382/head -> upgrade
Switched to branch 'upgrade'

PRのステータスを表示

pr statusを使用すると、現在のブランチや、自分が作成したPRの状態を確認できます。

$ gh pr status

Relevant pull requests in golang/go

Current branch
  #36382  net/http: fix Transport upgrading responses for... [nhooyr:upgrade]
   - Checks passing

Created by you
  You have no open pull requests

Requesting a code review from you
  You have no pull requests to review

Issueの一覧を表示

イシューの表示にはissue listを実行します。

$ gh issue list

Issues for golang/go

#37235  strings: Title and ToTitle have similar names but do different things                  (Go2)
#37234  x/sys: Missing TIME_OOP and friends                                                    (NeedsFix, OS-Linux, help wanted)
#37233  runtime/race: leak in long-running programs, more transparent memory statistics        (NeedsInvestigation)
#37232  go.dev: support different GOOS/GOARCH values when displaying package documentation     (FeatureRequest, NeedsInvestigation, go.dev)
#37231  x/tools/gopls: language features fail on filenames containing @                        (Tools, gopls)
#37230  PowerRegisterSuspendResumeNotification error on Azure App Services with go 1.13.7 ...  (CherryPickCandidate)
#37229  PowerRegisterSuspendResumeNotification error on Azure App Services with go 1.13.7 ...  (CherryPickCandidate)
#37227  cmd/go: behavior of go list ... is not documented in module mode                       (Documentation, GoCommand, NeedsInvestigation, …)
#37225  cmd/go: global go get does not reference main package's module's go.sum                (GoCommand, NeedsInvestigation, modules)
#37223  x/tools/gopls: using a lot of memory                                                   (Tools, gopls)
#37222  spec: valid assignment does not compile but according to https://golang.org/ref/sp...  (NeedsInvestigation)
#37221  x/tools/gopls: support `gofmt -s` in formatting                                        (Tools, gopls)
#37220  compile/arm64: - undefined: hooks [windows]                                            (OS-Windows, WaitingForInfo)
#37219  proposal: x/crypto/ocsp: Return ocsp.Request from CreateRequest instead of []byte      (Proposal)
#37218  cmd/go: go list incorrectly says that can only use path@version syntax with 'go get'   (GoCommand, NeedsFix)
#37217  os/exec: (*SysProcAttr).Foreground causes the spawned process to hang                  (NeedsInvestigation)
#37216  runtime: invalid pc-encoded table when running Openshift tests using go1.14rc1 on ...  (NeedsInvestigation)
#37215  x/tools/gopls: enable debug server and some tracing by default                         (Tools, gopls)
#37214  cmd/go: "package not found" error is less useful than GOPATH's when the missing pa...  (GoCommand, NeedsFix, modules)
#37213  x/tools/gopls: invalidate package IDs (specific to command-line-arguments)             (Tools, gopls)
#37211  encoding/xml: Decoder allocates (and does not release) memory for every control <?...  (NeedsInvestigation)
#37210  cmd/vet: warn about more malformed JSON struct tags                                    (NeedsInvestigation)
#37208  x/sys/unix: If mips64le termios Ispeed and Ospeed can work                             (WaitingForInfo)
#37206  testing: when using a custom TestMain, m.Run does not return if one of the tests i...  (NeedsInvestigation)
#37205  x/tools/gopls: support and documentation for bazel-based projects                      (Documentation, Tools, gopls)
#37203  testing: parallel subtest log output not properly constrained in go1.14rc1             (NeedsInvestigation)
#37201  runtime: TestCgoPprofPIE is flaky                                                      (NeedsInvestigation)
#37198  go.dev: Examples title is not generated, anchor link to examples is not working        (NeedsFix, go.dev)
#37197  cmd/go: go list should not add a dependency to go.mod                                  (NeedsInvestigation, WaitingForInfo, modules)
#37196  time: a Timer should not send to its channel after its Stop method returns             (NeedsDecision, early-in-cycle)

Issueの詳細を表示

gh issue viewにイシュー番号を指定すると、対象のイシューのページをブラウザで開くことができます。

$ gh issue view <number>

例)
$ gh issue view 37235
Opening https://github.com/golang/go/issues/37235 in your browser.
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