Set up benchmark on migration

pkg/config/app_config_test.go

@@ -87,3 +87,611 @@ git:
 		})
 	}
 }
+
+var largeConfiguration = []byte(`
+# Config relating to the Lazygit UI
+gui:
+  # The number of lines you scroll by when scrolling the main window
+  scrollHeight: 2
+
+  # If true, allow scrolling past the bottom of the content in the main window
+  scrollPastBottom: true
+
+  # See https://github.com/jesseduffield/lazygit/blob/master/docs/Config.md#scroll-off-margin
+  scrollOffMargin: 2
+
+  # One of: 'margin' (default) | 'jump'
+  scrollOffBehavior: margin
+
+  # The number of spaces per tab; used for everything that's shown in the main view, but probably mostly relevant for diffs.
+  # Note that when using a pager, the pager has its own tab width setting, so you need to pass it separately in the pager command.
+  tabWidth: 4
+
+  # If true, capture mouse events.
+  # When mouse events are captured, it's a little harder to select text: e.g. requiring you to hold the option key when on macOS.
+  mouseEvents: true
+
+  # If true, do not show a warning when discarding changes in the staging view.
+  skipDiscardChangeWarning: false
+
+  # If true, do not show warning when applying/popping the stash
+  skipStashWarning: false
+
+  # If true, do not show a warning when attempting to commit without any staged files; instead stage all unstaged files.
+  skipNoStagedFilesWarning: false
+
+  # If true, do not show a warning when rewording a commit via an external editor
+  skipRewordInEditorWarning: false
+
+  # Fraction of the total screen width to use for the left side section. You may want to pick a small number (e.g. 0.2) if you're using a narrow screen, so that you can see more of the main section.
+  # Number from 0 to 1.0.
+  sidePanelWidth: 0.3333
+
+  # If true, increase the height of the focused side window; creating an accordion effect.
+  expandFocusedSidePanel: false
+
+  # The weight of the expanded side panel, relative to the other panels. 2 means
+  # twice as tall as the other panels. Only relevant if expandFocusedSidePanel is true.
+  expandedSidePanelWeight: 2
+
+  # Sometimes the main window is split in two (e.g. when the selected file has both staged and unstaged changes). This setting controls how the two sections are split.
+  # Options are:
+  # - 'horizontal': split the window horizontally
+  # - 'vertical': split the window vertically
+  # - 'flexible': (default) split the window horizontally if the window is wide enough, otherwise split vertically
+  mainPanelSplitMode: flexible
+
+  # How the window is split when in half screen mode (i.e. after hitting '+' once).
+  # Possible values:
+  # - 'left': split the window horizontally (side panel on the left, main view on the right)
+  # - 'top': split the window vertically (side panel on top, main view below)
+  enlargedSideViewLocation: left
+
+  # If true, wrap lines in the staging view to the width of the view. This
+  # makes it much easier to work with diffs that have long lines, e.g.
+  # paragraphs of markdown text.
+  wrapLinesInStagingView: true
+
+  # One of 'auto' (default) | 'en' | 'zh-CN' | 'zh-TW' | 'pl' | 'nl' | 'ja' | 'ko' | 'ru'
+  language: auto
+
+  # Format used when displaying time e.g. commit time.
+  # Uses Go's time format syntax: https://pkg.go.dev/time#Time.Format
+  timeFormat: 02 Jan 06
+
+  # Format used when displaying time if the time is less than 24 hours ago.
+  # Uses Go's time format syntax: https://pkg.go.dev/time#Time.Format
+  shortTimeFormat: 3:04PM
+
+  # Config relating to colors and styles.
+  # See https://github.com/jesseduffield/lazygit/blob/master/docs/Config.md#color-attributes
+  theme:
+    # Border color of focused window
+    activeBorderColor:
+      - green
+      - bold
+
+    # Border color of non-focused windows
+    inactiveBorderColor:
+      - default
+
+    # Border color of focused window when searching in that window
+    searchingActiveBorderColor:
+      - cyan
+      - bold
+
+    # Color of keybindings help text in the bottom line
+    optionsTextColor:
+      - blue
+
+    # Background color of selected line.
+    # See https://github.com/jesseduffield/lazygit/blob/master/docs/Config.md#highlighting-the-selected-line
+    selectedLineBgColor:
+      - blue
+
+    # Background color of selected line when view doesn't have focus.
+    inactiveViewSelectedLineBgColor:
+      - bold
+
+    # Foreground color of copied commit
+    cherryPickedCommitFgColor:
+      - blue
+
+    # Background color of copied commit
+    cherryPickedCommitBgColor:
+      - cyan
+
+    # Foreground color of marked base commit (for rebase)
+    markedBaseCommitFgColor:
+      - blue
+
+    # Background color of marked base commit (for rebase)
+    markedBaseCommitBgColor:
+      - yellow
+
+    # Color for file with unstaged changes
+    unstagedChangesColor:
+      - red
+
+    # Default text color
+    defaultFgColor:
+      - default
+
+  # Config relating to the commit length indicator
+  commitLength:
+    # If true, show an indicator of commit message length
+    show: true
+
+  # If true, show the '5 of 20' footer at the bottom of list views
+  showListFooter: true
+
+  # If true, display the files in the file views as a tree. If false, display the files as a flat list.
+  # This can be toggled from within Lazygit with the '' key, but that will not change the default.
+  showFileTree: true
+
+  # If true, show the number of lines changed per file in the Files view
+  showNumstatInFilesView: false
+
+  # If true, show a random tip in the command log when Lazygit starts
+  showRandomTip: true
+
+  # If true, show the command log
+  showCommandLog: true
+
+  # If true, show the bottom line that contains keybinding info and useful buttons. If false, this line will be hidden except to display a loader for an in-progress action.
+  showBottomLine: true
+
+  # If true, show jump-to-window keybindings in window titles.
+  showPanelJumps: true
+
+  # Deprecated: use nerdFontsVersion instead
+  showIcons: false
+
+  # Nerd fonts version to use.
+  # One of: '2' | '3' | empty string (default)
+  # If empty, do not show icons.
+  nerdFontsVersion: ""
+
+  # If true (default), file icons are shown in the file views. Only relevant if NerdFontsVersion is not empty.
+  showFileIcons: true
+
+  # Length of author name in (non-expanded) commits view. 2 means show initials only.
+  commitAuthorShortLength: 2
+
+  # Length of author name in expanded commits view. 2 means show initials only.
+  commitAuthorLongLength: 17
+
+  # Length of commit hash in commits view. 0 shows '*' if NF icons aren't on.
+  commitHashLength: 8
+
+  # If true, show commit hashes alongside branch names in the branches view.
+  showBranchCommitHash: false
+
+  # Whether to show the divergence from the base branch in the branches view.
+  # One of: 'none' | 'onlyArrow'  | 'arrowAndNumber'
+  showDivergenceFromBaseBranch: none
+
+  # Height of the command log view
+  commandLogSize: 8
+
+  # Whether to split the main window when viewing file changes.
+  # One of: 'auto' | 'always'
+  # If 'auto', only split the main window when a file has both staged and unstaged changes
+  splitDiff: auto
+
+  # Default size for focused window. Can be changed from within Lazygit with '+' and '_' (but this won't change the default).
+  # One of: 'normal' (default) | 'half' | 'full'
+  screenMode: normal
+
+  # Window border style.
+  # One of 'rounded' (default) | 'single' | 'double' | 'hidden'
+  border: rounded
+
+  # If true, show a seriously epic explosion animation when nuking the working tree.
+  animateExplosion: true
+
+  # Whether to stack UI components on top of each other.
+  # One of 'auto' (default) | 'always' | 'never'
+  portraitMode: auto
+
+  # How things are filtered when typing '/'.
+  # One of 'substring' (default) | 'fuzzy'
+  filterMode: substring
+
+  # Config relating to the spinner.
+  spinner:
+    # The frames of the spinner animation.
+    frames:
+      - '|'
+      - /
+      - '-'
+      - \
+
+    # The "speed" of the spinner in milliseconds.
+    rate: 50
+
+  # Status panel view.
+  # One of 'dashboard' (default) | 'allBranchesLog'
+  statusPanelView: dashboard
+
+  # If true, jump to the Files panel after popping a stash
+  switchToFilesAfterStashPop: true
+
+  # If true, jump to the Files panel after applying a stash
+  switchToFilesAfterStashApply: true
+
+  # If true, when using the panel jump keys (default 1 through 5) and target panel is already active, go to next tab instead
+  switchTabsWithPanelJumpKeys: false
+
+# Config relating to git
+git:
+  # See https://github.com/jesseduffield/lazygit/blob/master/docs/Custom_Pagers.md
+  paging:
+    # Value of the --color arg in the git diff command. Some pagers want this to be set to 'always' and some want it set to 'never'
+    colorArg: always
+
+    # e.g.
+    # diff-so-fancy
+    # delta --dark --paging=never
+    # ydiff -p cat -s --wrap --width={{columnWidth}}
+    pager: ""
+
+    useConfig: false
+
+    # e.g. 'difft --color=always'
+    externalDiffCommand: ""
+
+  # Config relating to committing
+  commit:
+    # If true, pass '--signoff' flag when committing
+    signOff: false
+
+    # Automatic WYSIWYG wrapping of the commit message as you type
+    autoWrapCommitMessage: true
+
+    # If autoWrapCommitMessage is true, the width to wrap to
+    autoWrapWidth: 72
+
+  # Config relating to merging
+  merging:
+    # If true, run merges in a subprocess so that if a commit message is required, Lazygit will not hang
+    # Only applicable to unix users.
+    manualCommit: false
+
+    # Extra args passed to , e.g. --no-ff
+    args: ""
+
+    # The commit message to use for a squash merge commit. Can contain "{{selectedRef}}" and "{{currentBranch}}" placeholders.
+    squashMergeMessage: Squash merge {{selectedRef}} into {{currentBranch}}
+
+  # list of branches that are considered 'main' branches, used when displaying commits
+  mainBranches:
+    - master
+    - main
+
+  # Prefix to use when skipping hooks. E.g. if set to 'WIP', then pre-commit hooks will be skipped when the commit message starts with 'WIP'
+  skipHookPrefix: WIP
+
+  # If true, periodically fetch from remote
+  autoFetch: true
+
+  # If true, periodically refresh files and submodules
+  autoRefresh: true
+
+  # If true, pass the --all arg to git fetch
+  fetchAll: true
+
+  # If true, lazygit will automatically stage files that used to have merge
+  # conflicts but no longer do; and it will also ask you if you want to
+  # continue a merge or rebase if you've resolved all conflicts. If false, it
+  # won't do either of these things.
+  autoStageResolvedConflicts: true
+
+  # Command used when displaying the current branch git log in the main window
+  branchLogCmd: git log --graph --color=always --abbrev-commit --decorate --date=relative --pretty=medium {{branchName}} --
+
+  # Command used to display git log of all branches in the main window.
+  # Deprecated: Use allBranchesLogCmds instead.
+  allBranchesLogCmd: git log --graph --all --color=always --abbrev-commit --decorate --date=relative  --pretty=medium
+
+  # If true, do not spawn a separate process when using GPG
+  overrideGpg: false
+
+  # If true, do not allow force pushes
+  disableForcePushing: false
+
+  # See https://github.com/jesseduffield/lazygit/blob/master/docs/Config.md#predefined-branch-name-prefix
+  branchPrefix: ""
+
+  # If true, parse emoji strings in commit messages e.g. render :rocket: as 🚀
+  # (This should really be under 'gui', not 'git')
+  parseEmoji: false
+
+  # Config for showing the log in the commits view
+  log:
+    # One of: 'date-order' | 'author-date-order' | 'topo-order' | 'default'
+    # 'topo-order' makes it easier to read the git log graph, but commits may not
+    # appear chronologically. See https://git-scm.com/docs/
+    #
+    # Deprecated: Configure this with Log menu -> Commit sort order (<c-l> in the commits window by default).
+    order: topo-order
+
+    # This determines whether the git graph is rendered in the commits panel
+    # One of 'always' | 'never' | 'when-maximised'
+    #
+    # Deprecated: Configure this with Log menu -> Show git graph (<c-l> in the commits window by default).
+    showGraph: always
+
+    # displays the whole git graph by default in the commits view (equivalent to passing the --all argument to git log)
+    showWholeGraph: false
+
+  # When copying commit hashes to the clipboard, truncate them to this
+  # length. Set to 40 to disable truncation.
+  truncateCopiedCommitHashesTo: 12
+
+# Periodic update checks
+update:
+  # One of: 'prompt' (default) | 'background' | 'never'
+  method: prompt
+
+  # Period in days between update checks
+  days: 14
+
+# Background refreshes
+refresher:
+  # File/submodule refresh interval in seconds.
+  # Auto-refresh can be disabled via option 'git.autoRefresh'.
+  refreshInterval: 10
+
+  # Re-fetch interval in seconds.
+  # Auto-fetch can be disabled via option 'git.autoFetch'.
+  fetchInterval: 60
+
+# If true, show a confirmation popup before quitting Lazygit
+confirmOnQuit: false
+
+# If true, exit Lazygit when the user presses escape in a context where there is nothing to cancel/close
+quitOnTopLevelReturn: false
+
+# Config relating to things outside of Lazygit like how files are opened, copying to clipboard, etc
+os:
+  # Command for editing a file. Should contain "{{filename}}".
+  edit: ""
+
+  # Command for editing a file at a given line number. Should contain
+  # "{{filename}}", and may optionally contain "{{line}}".
+  editAtLine: ""
+
+  # Same as EditAtLine, except that the command needs to wait until the
+  # window is closed.
+  editAtLineAndWait: ""
+
+  # Whether lazygit suspends until an edit process returns
+  editInTerminal: false
+
+  # For opening a directory in an editor
+  openDirInEditor: ""
+
+  # A built-in preset that sets all of the above settings. Supported presets
+  # are defined in the getPreset function in editor_presets.go.
+  editPreset: ""
+
+  # Command for opening a file, as if the file is double-clicked. Should
+  # contain "{{filename}}", but doesn't support "{{line}}".
+  open: ""
+
+  # Command for opening a link. Should contain "{{link}}".
+  openLink: ""
+
+  # EditCommand is the command for editing a file.
+  # Deprecated: use Edit instead. Note that semantics are different:
+  # EditCommand is just the command itself, whereas Edit contains a
+  # "{{filename}}" variable.
+  editCommand: ""
+
+  # EditCommandTemplate is the command template for editing a file
+  # Deprecated: use EditAtLine instead.
+  editCommandTemplate: ""
+
+  # OpenCommand is the command for opening a file
+  # Deprecated: use Open instead.
+  openCommand: ""
+
+  # OpenLinkCommand is the command for opening a link
+  # Deprecated: use OpenLink instead.
+  openLinkCommand: ""
+
+  # CopyToClipboardCmd is the command for copying to clipboard.
+  # See https://github.com/jesseduffield/lazygit/blob/master/docs/Config.md#custom-command-for-copying-to-and-pasting-from-clipboard
+  copyToClipboardCmd: ""
+
+  # ReadFromClipboardCmd is the command for reading the clipboard.
+  # See https://github.com/jesseduffield/lazygit/blob/master/docs/Config.md#custom-command-for-copying-to-and-pasting-from-clipboard
+  readFromClipboardCmd: ""
+
+# If true, don't display introductory popups upon opening Lazygit.
+disableStartupPopups: false
+
+# What to do when opening Lazygit outside of a git repo.
+# - 'prompt': (default) ask whether to initialize a new repo or open in the most recent repo
+# - 'create': initialize a new repo
+# - 'skip': open most recent repo
+# - 'quit': exit Lazygit
+notARepository: prompt
+
+# If true, display a confirmation when subprocess terminates. This allows you to view the output of the subprocess before returning to Lazygit.
+promptToReturnFromSubprocess: true
+
+# Keybindings
+keybinding:
+  universal:
+    quit: q
+    quit-alt1: <c-c>
+    return: <esc>
+    quitWithoutChangingDirectory: Q
+    togglePanel: <tab>
+    prevItem: <up>
+    nextItem: <down>
+    prevItem-alt: k
+    nextItem-alt: j
+    prevPage: ','
+    nextPage: .
+    scrollLeft: H
+    scrollRight: L
+    gotoTop: <
+    gotoBottom: '>'
+    toggleRangeSelect: v
+    rangeSelectDown: <s-down>
+    rangeSelectUp: <s-up>
+    prevBlock: <left>
+    nextBlock: <right>
+    prevBlock-alt: h
+    nextBlock-alt: l
+    nextBlock-alt2: <tab>
+    prevBlock-alt2: <backtab>
+    jumpToBlock:
+      - "1"
+      - "2"
+      - "3"
+      - "4"
+      - "5"
+    nextMatch: "n"
+    prevMatch: "N"
+    startSearch: /
+    optionMenu: <disabled>
+    optionMenu-alt1: '?'
+    select: <space>
+    goInto: <enter>
+    confirm: <enter>
+    confirmInEditor: <a-enter>
+    remove: d
+    new: "n"
+    edit: e
+    openFile: o
+    scrollUpMain: <pgup>
+    scrollDownMain: <pgdown>
+    scrollUpMain-alt1: K
+    scrollDownMain-alt1: J
+    scrollUpMain-alt2: <c-u>
+    scrollDownMain-alt2: <c-d>
+    executeShellCommand: ':'
+    createRebaseOptionsMenu: m
+
+    # 'Files' appended for legacy reasons
+    pushFiles: P
+
+    # 'Files' appended for legacy reasons
+    pullFiles: p
+    refresh: R
+    createPatchOptionsMenu: <c-p>
+    nextTab: ']'
+    prevTab: '['
+    nextScreenMode: +
+    prevScreenMode: _
+    undo: z
+    redo: <c-z>
+    filteringMenu: <c-s>
+    diffingMenu: W
+    diffingMenu-alt: <c-e>
+    copyToClipboard: <c-o>
+    openRecentRepos: <c-r>
+    submitEditorText: <enter>
+    extrasMenu: '@'
+    toggleWhitespaceInDiffView: <c-w>
+    increaseContextInDiffView: '}'
+    decreaseContextInDiffView: '{'
+    increaseRenameSimilarityThreshold: )
+    decreaseRenameSimilarityThreshold: (
+    openDiffTool: <c-t>
+  status:
+    checkForUpdate: u
+    recentRepos: <enter>
+    allBranchesLogGraph: a
+  files:
+    commitChanges: c
+    commitChangesWithoutHook: w
+    amendLastCommit: A
+    commitChangesWithEditor: C
+    findBaseCommitForFixup: <c-f>
+    confirmDiscard: x
+    ignoreFile: i
+    refreshFiles: r
+    stashAllChanges: s
+    viewStashOptions: S
+    toggleStagedAll: a
+    viewResetOptions: D
+    fetch: f
+    openMergeTool: M
+    openStatusFilter: <c-b>
+    copyFileInfoToClipboard: "y"
+    collapseAll: '-'
+    expandAll: =
+  branches:
+    createPullRequest: o
+    viewPullRequestOptions: O
+    copyPullRequestURL: <c-y>
+    checkoutBranchByName: c
+    forceCheckoutBranch: F
+    rebaseBranch: r
+    renameBranch: R
+    mergeIntoCurrentBranch: M
+    viewGitFlowOptions: i
+    fastForward: f
+    createTag: T
+    pushTag: P
+    setUpstream: u
+    fetchRemote: f
+    sortOrder: s
+  worktrees:
+    viewWorktreeOptions: w
+  commits:
+    squashDown: s
+    renameCommit: r
+    renameCommitWithEditor: R
+    viewResetOptions: g
+    markCommitAsFixup: f
+    createFixupCommit: F
+    squashAboveCommits: S
+    moveDownCommit: <c-j>
+    moveUpCommit: <c-k>
+    amendToCommit: A
+    resetCommitAuthor: a
+    pickCommit: p
+    revertCommit: t
+    cherryPickCopy: C
+    pasteCommits: V
+    markCommitAsBaseForRebase: B
+    tagCommit: T
+    checkoutCommit: <space>
+    resetCherryPick: <c-R>
+    copyCommitAttributeToClipboard: "y"
+    openLogMenu: <c-l>
+    openInBrowser: o
+    viewBisectOptions: b
+    startInteractiveRebase: i
+  amendAttribute:
+    resetAuthor: a
+    setAuthor: A
+    addCoAuthor: c
+  stash:
+    popStash: g
+    renameStash: r
+  commitFiles:
+    checkoutCommitFile: c
+  main:
+    toggleSelectHunk: a
+    pickBothHunks: b
+    editSelectHunk: E
+  submodules:
+    init: i
+    update: u
+    bulkMenu: b
+  commitMessage:
+    commitMenu: <c-o>
+`)
+
+func BenchmarkMigrationOnLargeConfiguration(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		_, _ = computeMigratedConfig("path doesn't matter", largeConfiguration)
+	}
+}