diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/cli.rs | 342 |
1 files changed, 264 insertions, 78 deletions
@@ -339,7 +339,7 @@ pub struct Opt { pub color_only: bool, //////////////////////////////////////////////////////////////////////////////////////////// - #[clap(long = "features")] + #[clap(long = "features", value_name = "FEATURE_NAMES")] /// Names of delta features to activate (space-separated). /// /// A feature is a named collection of delta options in ~/.gitconfig. See FEATURES section. The @@ -349,7 +349,7 @@ pub struct Opt { /// side-by-side temporarily. pub features: Option<String>, - #[clap(long = "syntax-theme")] + #[clap(long = "syntax-theme", value_name = "THEME_NAME")] /// The syntax-highlighting theme to use. /// /// Use --show-syntax-themes to demo available themes. Defaults to the value of the BAT_THEME @@ -357,56 +357,92 @@ pub struct Opt { /// syntax highlighting. pub syntax_theme: Option<String>, - #[clap(long = "minus-style", default_value = "normal auto")] + #[clap( + long = "minus-style", + default_value = "normal auto", + value_name = "STYLE_STRING" + )] /// Style string for removed lines. /// /// See STYLES section. pub minus_style: String, - #[clap(long = "zero-style", default_value = "syntax normal")] + #[clap( + long = "zero-style", + default_value = "syntax normal", + value_name = "STYLE_STRING" + )] /// Style string for unchanged lines. /// /// See STYLES section. pub zero_style: String, - #[clap(long = "plus-style", default_value = "syntax auto")] + #[clap( + long = "plus-style", + default_value = "syntax auto", + value_name = "STYLE_STRING" + )] /// Style string for added lines. /// /// See STYLES section. pub plus_style: String, - #[clap(long = "minus-emph-style", default_value = "normal auto")] + #[clap( + long = "minus-emph-style", + default_value = "normal auto", + value_name = "STYLE_STRING" + )] /// Style string for emphasized sections of removed lines. /// /// See STYLES section. pub minus_emph_style: String, - #[clap(long = "minus-non-emph-style", default_value = "minus-style")] + #[clap( + long = "minus-non-emph-style", + default_value = "minus-style", + value_name = "STYLE_STRING" + )] /// Style string for non-emphasized sections of removed lines that have an emphasized section. /// /// See STYLES section. pub minus_non_emph_style: String, - #[clap(long = "plus-emph-style", default_value = "syntax auto")] + #[clap( + long = "plus-emph-style", + default_value = "syntax auto", + value_name = "STYLE_STRING" + )] /// Style string for emphasized sections of added lines. /// /// See STYLES section. pub plus_emph_style: String, - #[clap(long = "plus-non-emph-style", default_value = "plus-style")] + #[clap( + long = "plus-non-emph-style", + default_value = "plus-style", + value_name = "STYLE_STRING" + )] /// Style string for non-emphasized sections of added lines that have an emphasized section. /// /// See STYLES section. pub plus_non_emph_style: String, - #[clap(long = "commit-style", default_value = "raw")] + #[clap( + long = "commit-style", + default_value = "raw", + value_name = "STYLE_STRING" + )] /// Style string for the commit hash line. /// /// See STYLES section. The style 'omit' can be used to remove the commit hash line from the /// output. pub commit_style: String, - #[clap(long = "commit-decoration-style", default_value = "")] + #[clap( + long = "commit-decoration-style", + default_value = "", + value_name = "STYLE_STRING" + )] /// Style string for the commit hash decoration. /// /// See STYLES section. The style string should contain one of the special attributes 'box', @@ -417,31 +453,43 @@ pub struct Opt { /// Regular expression used to identify the commit line when parsing git output. pub commit_regex: String, - #[clap(long = "file-style", default_value = "blue")] + #[clap( + long = "file-style", + default_value = "blue", + value_name = "STYLE_STRING" + )] /// Style string for the file section. /// /// See STYLES section. The style 'omit' can be used to remove the file section from the output. pub file_style: String, - #[clap(long = "file-decoration-style", default_value = "blue ul")] + #[clap( + long = "file-decoration-style", + default_value = "blue ul", + value_name = "STYLE_STRING" + )] /// Style string for the file decoration. /// /// See STYLES section. The style string should contain one of the special attributes 'box', /// 'ul' (underline), 'ol' (overline), or the combination 'ul ol'. pub file_decoration_style: String, - #[structopt(long = "file-transformation")] - /// A sed-style command transforming file paths for display. + #[structopt(long = "file-transformation", value_name = "SED_COMMAND")] + /// Sed-style command transforming file paths for display. pub file_regex_replacement: Option<String>, - #[clap(long = "hyperlinks-commit-link-format")] - /// Format string for commit hyperlinks (requires --hyperlinks). + #[clap(long = "hyperlinks-commit-link-format", value_name = "FORMAT_STRING")] + /// Format string for commit hyperlinks (requiraes --hyperlinks). /// /// The placeholder "{commit}" will be replaced by the commit hash. For example: /// --hyperlinks-commit-link-format='https://mygitrepo/{commit}/' pub hyperlinks_commit_link_format: Option<String>, - #[clap(long = "hyperlinks-file-link-format", default_value = "file://{path}")] + #[clap( + long = "hyperlinks-file-link-format", + default_value = "file://{path}", + value_name = "FORMAT_STRING" + )] /// Format string for file hyperlinks (requires --hyperlinks). /// /// The placeholders "{path}" and "{line}" will be replaced by the absolute file path and the @@ -454,7 +502,11 @@ pub struct Opt { /// https://github.com/dandavison/open-in-editor for an example. pub hyperlinks_file_link_format: String, - #[clap(long = "hunk-header-style", default_value = "line-number syntax")] + #[clap( + long = "hunk-header-style", + default_value = "line-number syntax", + value_name = "STYLE_STRING" + )] /// Style string for the hunk-header. /// /// See STYLES section. Special attributes 'file' and 'line-number' can be used to include the @@ -462,34 +514,54 @@ pub struct Opt { /// to remove the hunk header section from the output. pub hunk_header_style: String, - #[clap(long = "hunk-header-file-style", default_value = "blue")] + #[clap( + long = "hunk-header-file-style", + default_value = "blue", + value_name = "STYLE_STRING" + )] /// Style string for the file path part of the hunk-header. /// /// See STYLES section. The file path will only be displayed if hunk-header-style contains the /// 'file' special attribute. pub hunk_header_file_style: String, - #[clap(long = "hunk-header-line-number-style", default_value = "blue")] + #[clap( + long = "hunk-header-line-number-style", + default_value = "blue", + value_name = "STYLE_STRING" + )] /// Style string for the line number part of the hunk-header. /// /// See STYLES section. The line number will only be displayed if hunk-header-style contains the /// 'line-number' special attribute. pub hunk_header_line_number_style: String, - #[clap(long = "hunk-header-decoration-style", default_value = "blue box")] + #[clap( + long = "hunk-header-decoration-style", + default_value = "blue box", + value_name = "STYLE_STRING" + )] /// Style string for the hunk-header decoration. /// /// See STYLES section. The style string should contain one of the special attributes 'box', /// 'ul' (underline), 'ol' (overline), or the combination 'ul ol'. pub hunk_header_decoration_style: String, - #[clap(long = "merge-conflict-begin-symbol", default_value = "▼")] + #[clap( + long = "merge-conflict-begin-symbol", + default_value = "▼", + value_name = "STRING" + )] /// String marking the beginning of a merge conflict region. /// /// The string will be repeated until it reaches the required length. pub merge_conflict_begin_symbol: String, - #[clap(long = "merge-conflict-end-symbol", default_value = "▲")] + #[clap( + long = "merge-conflict-end-symbol", + default_value = "▲", + value_name = "STRING" + )] /// String marking the end of a merge conflict region. /// /// The string will be repeated until it reaches the required length. @@ -497,7 +569,8 @@ pub struct Opt { #[clap( long = "merge-conflict-ours-diff-header-style", - default_value = "normal" + default_value = "normal", + value_name = "STYLE_STRING" )] /// Style string for the header above the 'ours' branch merge conflict diff. /// @@ -506,7 +579,8 @@ pub struct Opt { #[clap( long = "merge-conflict-ours-diff-header-decoration-style", - default_value = "box" + default_value = "box", + value_name = "STYLE_STRING" )] /// Style string for the decoration of the header above the 'ours' merge conflict diff. /// @@ -517,7 +591,8 @@ pub struct Opt { #[clap( long = "merge-conflict-theirs-diff-header-style", - default_value = "normal" + default_value = "normal", + value_name = "STYLE_STRING" )] /// Style string for the header above the 'theirs' branch merge conflict diff. /// @@ -536,7 +611,7 @@ pub struct Opt { /// attributes 'box', 'ul' (underline), 'ol' (overline), or the combination 'ul ol'. pub merge_conflict_theirs_diff_header_decoration_style: String, - #[clap(long = "map-styles")] + #[clap(long = "map-styles", value_name = "STYLES_MAP")] /// Map styles encountered in raw input to desired output styles. /// /// An example is --map-styles='bold purple => red "#eeeeee", bold cyan => syntax "#eeeeee"' @@ -544,22 +619,27 @@ pub struct Opt { #[clap( long = "blame-format", - default_value = "{timestamp:<15} {author:<15.14} {commit:<8}" + default_value = "{timestamp:<15} {author:<15.14} {commit:<8}", + value_name = "FORMAT_STRING" )] /// Format string for git blame commit metadata. /// /// Available placeholders are "{timestamp}", "{author}", and "{commit}". pub blame_format: String, - #[clap(long = "blame-separator", default_value = "│")] + #[clap( + long = "blame-separator", + default_value = "│", + value_name = "SEPARATOR_STRING" + )] /// Separator between the commit metadata and code sections of a git blame line. pub blame_separator: String, - #[clap(long = "blame-separator-style")] + #[clap(long = "blame-separator-style", value_name = "STYLE_STRING")] /// Style string for the separator between the commit metadata and code sections of a git blame line. pub blame_separator_style: Option<String>, - #[clap(long = "blame-code-style")] + #[clap(long = "blame-code-style", value_name = "STYLE_STRING")] /// Style string for the code section of a git blame line. /// /// By default the code will be syntax-highlighted with the same background color as the blame @@ -567,7 +647,7 @@ pub struct Opt { /// setting this option to 'syntax' will syntax-highlight the code with no background color. pub blame_code_style: Option<String>, - #[clap(long = "blame-palette")] + #[clap(long = "blame-palette", value_name = "COLORS")] /// Background colors used for git blame lines (space-separated string). /// /// Lines added by the same commit are painted with the same color; colors are recycled as @@ -576,42 +656,47 @@ pub struct Opt { #[clap( long = "blame-timestamp-format", - default_value = "%Y-%m-%d %H:%M:%S %z" + default_value = "%Y-%m-%d %H:%M:%S %z", + value_name = "TIMESTAMP_FORMAT_STRING" )] /// Format of `git blame` timestamp in raw git output received by delta. pub blame_timestamp_format: String, - #[clap(long = "grep-match-line-style")] + #[clap(long = "grep-match-line-style", value_name = "STYLE_STRING")] /// Style string for matching lines of grep output. /// /// See STYLES section. Defaults to plus-style. pub grep_match_line_style: Option<String>, - #[clap(long = "grep-match-word-style")] + #[clap(long = "grep-match-word-style", value_name = "STYLE_STRING")] /// Style string for the matching substrings within a matching line of grep output. /// /// See STYLES section. Defaults to plus-style. pub grep_match_word_style: Option<String>, - #[clap(long = "grep-context-line-style")] + #[clap(long = "grep-context-line-style", value_name = "STYLE_STRING")] /// Style string for non-matching lines of grep output. /// /// See STYLES section. Defaults to zero-style. pub grep_context_line_style: Option<String>, - #[clap(long = "grep-file-style")] + #[clap(long = "grep-file-style", value_name = "STYLE_STRING")] /// Style string for file paths in grep output. /// /// See STYLES section. Defaults to hunk-header-file-path-style. pub grep_file_style: Option<String>, - #[clap(long = "grep-line-number-style")] + #[clap(long = "grep-line-number-style", value_name = "STYLE_STRING")] /// Style string for line numbers in grep output. /// /// See STYLES section. Defaults to hunk-header-line-number-style. pub grep_line_number_style: Option<String>, - #[clap(long = "grep-separator-symbol", default_value = ":")] + #[clap( + long = "grep-separator-symbol", + default_value = ":", + value_name = "SEPARATOR" + )] /// Separator symbol printed after the file path and line number in grep output. /// /// Defaults to ":" for both match and context lines, since many terminal emulators recognize @@ -619,21 +704,25 @@ pub struct Opt { /// lines: set this option to "keep" to keep the original separator symbols. pub grep_separator_symbol: String, - #[clap(long = "default-language")] + #[clap(long = "default-language", value_name = "LANGUAGE")] /// Default language used for syntax highlighting. /// /// Used when the language cannot be inferred from a filename. It will typically make sense to /// set this in per-repository git config (.git/config) pub default_language: Option<String>, - #[clap(long = "inline-hint-style", default_value = "blue")] + #[clap( + long = "inline-hint-style", + default_value = "blue", + value_name = "STYLE_STRING" + )] /// Style string for short inline hint text. /// /// This styles certain content added by delta to the original diff such as special characters /// to highlight tabs, and the symbols used to indicate wrapped lines. See STYLES section. pub inline_hint_style: String, - #[clap(long = "word-diff-regex", default_value = r"\w+")] + #[clap(long = "word-diff-regex", default_value = r"\w+", value_name = "REGEX")] /// Regular expression defining a 'word' in within-line diff algorithm. /// /// The regular expression used to decide what a word is for the within-line highlight @@ -641,7 +730,11 @@ pub struct Opt { /// --max-line-distance=1.0 (this is more similar to `git --word-diff`). pub tokenization_regex: String, - #[clap(long = "max-line-distance", default_value = "0.6")] + #[clap( + long = "max-line-distance", + default_value = "0.6", + value_name = "NUMBER" + )] /// Maximum line pair distance parameter in within-line diff algorithm. /// /// This parameter is the maximum distance (0.0 - 1.0) between two lines for them to be inferred @@ -649,25 +742,41 @@ pub struct Opt { /// insertion operations transforming one into the other. pub max_line_distance: f64, - #[clap(long = "line-numbers-minus-style", default_value = "auto")] + #[clap( + long = "line-numbers-minus-style", + default_value = "auto", + value_name = "STYLE_STRING" + )] /// Style string for line numbers in the old (minus) version of the file. /// /// See STYLES and LINE NUMBERS sections. pub line_numbers_minus_style: String, - #[clap(long = "line-numbers-zero-style", default_value = "auto")] + #[clap( + long = "line-numbers-zero-style", + default_value = "auto", + value_name = "STYLE_STRING" + )] /// Style string for line numbers in unchanged (zero) lines. /// /// See STYLES and LINE NUMBERS sections. pub line_numbers_zero_style: String, - #[clap(long = "line-numbers-plus-style", default_value = "auto")] + #[clap( + long = "line-numbers-plus-style", + default_value = "auto", + value_name = "STYLE_STRING" + )] /// Style string for line numbers in the new (plus) version of the file. /// /// See STYLES and LINE NUMBERS sections. pub line_numbers_plus_style: String, - #[clap(long = "line-numbers-left-format", default_value = "{nm:^4}⋮")] + #[clap( + long = "line-numbers-left-format", + default_value = "{nm:^4}⋮", + value_name = "FORMAT_STRING" + )] /// Format string for the left column of line numbers. /// /// A typical value would be "{nm:^4}⋮" which means to display the line numbers of the minus @@ -675,7 +784,11 @@ pub struct Opt { /// dividing character. See the LINE NUMBERS section. pub line_numbers_left_format: String, - #[clap(long = "line-numbers-right-format", default_value = "{np:^4}│")] + #[clap( + long = "line-numbers-right-format", + default_value = "{np:^4}│", + value_name = "FORMAT_STRING" + )] /// Format string for the right column of line numbers. /// /// A typical value would be "{np:^4}│ " which means to display the line numbers of the plus @@ -683,97 +796,141 @@ pub struct Opt { /// dividing character, and a space. See the LINE NUMBERS section. pub line_numbers_right_format: String, - #[clap(long = "line-numbers-left-style", default_value = "auto")] + #[clap( + long = "line-numbers-left-style", + default_value = "auto", + value_name = "STYLE_STRING" + )] /// Style string for the left column of line numbers. /// /// See STYLES and LINE NUMBERS sections. pub line_numbers_left_style: String, - #[clap(long = "line-numbers-right-style", default_value = "auto")] + #[clap( + long = "line-numbers-right-style", + default_value = "auto", + value_name = "STYLE_STRING" + )] /// Style string for the right column of line numbers. /// /// See STYLES and LINE NUMBERS sections. pub line_numbers_right_style: String, - #[clap(long = "wrap-max-lines", default_value = "2")] + #[clap( + long = "wrap-max-lines", + default_value = "2", + value_name = "NUMBER_OF_LINES" + )] /// How often a line should be wrapped if it does not fit. /// /// Zero means to never wrap. Any content which does not fit will be truncated. A value of /// "unlimited" means a line will be wrapped as many times as required. pub wrap_max_lines: String, - #[clap(long = "wrap-left-symbol", default_value = "↵")] + #[clap(long = "wrap-left-symbol", default_value = "↵", value_name = "STRING")] /// End-of-line wrapped content symbol (left-aligned). /// /// Symbol added to the end of a line indicating that the content has been wrapped onto the next /// line and continues left-aligned. pub wrap_left_symbol: String, - #[clap(long = "wrap-right-symbol", default_value = "↴")] + #[clap(long = "wrap-right-symbol", default_value = "↴", value_name = "STRING")] /// End-of-line wrapped content symbol (right-aligned). /// /// Symbol added to the end of a line indicating that the content has been wrapped onto the next /// line and continues right-aligned. pub wrap_right_symbol: String, - #[clap(long = "wrap-right-percent", default_value = "37.0")] + #[clap( + long = "wrap-right-percent", + default_value = "37.0", + value_name = "PERCENT" + )] /// Threshold for right-aligning wrapped content. /// /// If the length of the remaining wrapped content, as a percentage of width, is less than this /// quantity it will be right-aligned. Otherwise it will be left-aligned. pub wrap_right_percent: String, - #[clap(long = "wrap-right-prefix-symbol", default_value = "…")] + #[clap( + long = "wrap-right-prefix-symbol", + default_value = "…", + value_name = "STRING" + )] /// Pre-wrapped content symbol (right-aligned). /// /// Symbol displayed in front of right-aligned wrapped content. pub wrap_right_prefix_symbol: String, - #[clap(long = "navigate-regex")] + #[clap(long = "navigate-regex", value_name = "REGEX")] /// Regular expression defining navigation stop points. pub navigate_regex: Option<String>, - #[clap(long = "file-modified-label", default_value = "")] + #[clap( + long = "file-modified-label", + default_value = "", + value_name = "STRING" + )] /// Text to display in front of a modified file path. /// /// Used in the default value of navigate-regex. pub file_modified_label: String, - #[clap(long = "file-removed-label", default_value = "removed:")] + #[clap( + long = "file-removed-label", + default_value = "removed:", + value_name = "STRING" + )] /// Text to display in front of a removed file path. /// /// Used in the default value of navigate-regex. pub file_removed_label: String, - #[clap(long = "file-added-label", default_value = "added:")] + #[clap( + long = "file-added-label", + default_value = "added:", + value_name = "STRING" + )] /// Text to display in front of an added file path. /// /// Used in the default value of navigate-regex. pub file_added_label: String, - #[clap(long = "file-copied-label", default_value = "copied:")] + #[clap( + long = "file-copied-label", + default_value = "copied:", + value_name = "STRING" + )] /// Text to display in front of a copied file path. pub file_copied_label: String, - #[clap(long = "file-renamed-label", default_value = "renamed:")] + #[clap( + long = "file-renamed-label", + default_value = "renamed:", + value_name = "STRING" + )] /// Text to display in front of a renamed file path. /// /// Used in the default value of navigate-regex. pub file_renamed_label: String, - #[clap(long = "right-arrow", default_value = "⟶ ")] + #[clap(long = "right-arrow", default_value = "⟶ ", value_name = "STRING")] /// Text to display with a changed file path. /// /// For example, a unified diff heading, a rename, or a chmod. pub right_arrow: String, - #[clap(long = "hunk-label", default_value = "")] + #[clap(long = "hunk-label", default_value = "", value_name = "STRING")] /// Text to display in front of a hunk header. /// /// Used in the default value of navigate-regex. pub hunk_label: String, - #[clap(long = "max-line-length", default_value = "512")] + #[clap( + long = "max-line-length", + default_value = "512", + value_name = "NUMBER_OF_CHARACTERS" + )] /// Truncate lines longer than this. /// /// To prevent any truncation, set to zero. Note that delta will be slow on very long lines @@ -781,7 +938,7 @@ pub struct Opt { /// to fit at least all visible characters. pub max_line_length: usize, - #[clap(long = "line-fill-method")] + #[clap(long = "line-fill-method", value_name = "STRING")] /// Line-fill method in side-by-side mode. /// /// How to extend the background color to the end of the line in side-by-side mode. Can be ansi @@ -789,7 +946,7 @@ pub struct Opt { /// --width=variable is given. pub line_fill_method: Option<String>, - #[clap(short = 'w', long = "width")] + #[clap(short = 'w', long = "width", value_name = "WIDTH")] /// The width of underline/overline decorations. /// /// Examples: "72" (exactly 72 characters), "-2" (auto-detected terminal width minus 2). An @@ -799,13 +956,17 @@ pub struct Opt { /// full terminal width. pub width: Option<String>, - #[clap(long = "diff-stat-align-width", default_value = "48")] + #[clap( + long = "diff-stat-align-width", + default_value = "48", + value_name = "WIDTH" + )] /// Width allocated for file paths in a diff stat section. /// /// If a relativized file path exceeds this width then the diff stat will be misaligned. pub diff_stat_align_width: usize, - #[clap(long = "tabs", default_value = "4")] + #[clap(long = "tabs", default_value = "4", value_name = "NUMBER_OF_SPACES")] /// The number of spaces to replace tab characters with. /// /// Use --tabs=0 to pass tab characters through directly, but note that in that case delta will @@ -814,7 +975,11 @@ pub struct Opt { /// incorrect. pub tab_width: usize, - #[clap(long = "true-color", default_value = "auto")] + #[clap( + long = "true-color", + default_value = "auto", + value_name = "auto|always|never" + )] /// Whether to emit 24-bit ("true color") RGB color codes. /// /// Options are auto, always, and never. "auto" means that delta will emit 24-bit color codes if @@ -824,11 +989,15 @@ pub struct Opt { /// need to do anything. pub true_color: String, - #[clap(long = "24-bit-color")] + #[clap(long = "24-bit-color", value_name = "auto|always|never")] /// Deprecated: use --true-color. pub _24_bit_color: Option<String>, - #[clap(long = "inspect-raw-lines", default_value = "true")] + #[clap( + long = "inspect-raw-lines", + default_value = "true", + value_name = "true|false" + )] /// Kill-switch for --color-moved support. /// /// Whether to examine ANSI color escape sequences in raw lines received from Git and handle @@ -836,7 +1005,7 @@ pub struct Opt { /// Git's --color-moved feature. Set this to "false" to disable this behavior. pub inspect_raw_lines: String, - #[clap(long = "pager")] + #[clap(long = "pager", value_name = "PAGER_COMMAND")] /// Which pager to use. /// /// The default pager is `less`. You can also change pager by setting the environment variables @@ -844,7 +1013,11 @@ pub struct Opt { /// overrides all environment variables above. pub pager: Option<String>, - #[clap(long = "paging", default_value = "auto")] + #[clap( + long = "paging", + default_value = "auto", + value_name = "auto|always|never" + )] /// Whether to use a pager when displaying output. /// /// Options are: auto, always, and never. @@ -862,26 +1035,39 @@ pub struct Opt { #[clap( long = "--minus-empty-line-marker-style", - default_value = "normal auto" + default_value = "normal auto", + value_name = "STYLE_STRING" )] /// Style string for removed empty line marker. /// /// Used only if --minus-style has no background color. pub minus_empty_line_marker_style: String, - #[clap(long = "--plus-empty-line-marker-style", default_value = "normal auto")] + #[clap( + long = "--plus-empty-line-marker-style", + default_value = "normal auto", + value_name = "STYLE_STRING" + )] /// Style string for added empty line marker. /// /// Used only if --plus-style has no background color. pub plus_empty_line_marker_style: String, - #[clap(long = "whitespace-error-style", default_value = "auto auto")] + #[clap( + long = "whitespace-error-style", + default_value = "auto auto", + value_name = "STYLE_STRING" + )] /// Style string for whitespace errors. /// /// Defaults to color.diff.whitespace if that is set in git config, or else 'magenta reverse'. pub whitespace_error_style: String, - #[clap(long = "line-buffer-size", default_value = "32")] + #[clap( + long = "line-buffer-size", + default_value = "32", + value_name = "NUMBER_OF_LINES" + )] /// Size of internal line buffer. /// /// Delta compares the added and removed versions of nearby lines in order to detect and |