Vendor the micro/plug dir since micro doesn't have declarative plugin management 😿 https://github.com/zyedidia/micro/issues/3843

Changes

4 changed files (+99/-0)

• micro/plug/detectindent/README.md (new)
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    + # Detectindent plugin for Micro text editor + + Whenever a file is opened, the detectindent plugin tries to automatically detect its indentation style (spaces or tabs) and set the `tabstospaces` option accordingly. If spaces indentation is detected, it also tries to detect the indentation width and set the `tabsize` option accordingly.
• micro/plug/detectindent/detectindent.lua (new)
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    + VERSION = "1.1.1" + + local config = import("micro/config") + local util = import("micro/util") + + function onBufferOpen(buf) + local spaces, tabs = 0, 0 + local space_count, prev_space_count = 0, 0 + local tabsizes = {} + local i = 0 + while spaces + tabs < 500 and i < 1000 and i < buf:LinesNum() do + space_count = 0 + local line = buf:Line(i) + local r = util.RuneAt(line, 0) + if r == " " then + space_count = string.len(util.GetLeadingWhitespace(line)) + -- for tab vs space detection, ignore space indents of 1 + -- which can be a false signal from C-style block comments + if space_count > 1 then + spaces = spaces + 1 + end + + -- treat whitespace-only lines as not changing the indent + if string.len(line) == space_count then + space_count = prev_space_count + end + -- look for an increasing number of spaces, ignoring increases of 1 + -- which can be a false signal from C-style block comments + if space_count > prev_space_count + 1 then + local t = space_count - prev_space_count + if tabsizes[t] == nil then + tabsizes[t] = 1 + else + tabsizes[t] = tabsizes[t] + 1 + end + end + elseif r == "\t" then + tabs = tabs + 1 + -- treat tabbed lines as not affecting spaced indentation + space_count = prev_space_count + elseif r == "" then + -- treat empty lines as not changing the indent + space_count = prev_space_count + end + prev_space_count = space_count + i = i + 1 + end + + if spaces > tabs then + buf:SetOptionNative("tabstospaces", true) + -- get the indentation change used for the largest number of lines + local tabsize = -1 + local maxcount = 0 + for t, count in pairs(tabsizes) do + if count > maxcount then + maxcount = count + tabsize = t + end + end + if tabsize > 0 then + buf:SetOptionNative("tabsize", tabsize) + end + elseif tabs > spaces then + buf:SetOptionNative("tabstospaces", false) + end + end + + function init() + config.AddRuntimeFile("detectindent", config.RTHelp, "help/detectindent.md") + end
• micro/plug/detectindent/help/detectindent.md (new)
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    + # Detectindent + + Whenever a file is opened, the detectindent plugin tries to automatically + detect its indentation style (spaces or tabs) and set the `tabstospaces` + option accordingly. If spaces indentation is detected, it also tries to + detect the indentation width and set the `tabsize` option accordingly. + + To disable it, just turn off the plugin: + + ``` + set detectindent off + ```
• micro/plug/detectindent/repo.json (new)
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    + [{ + "Name": "detectindent", + "Description": "Automatically detect indentation settings", + "Tags": ["indent", "detect"], + "Versions": [ + { + "Version": "1.1.1", + "Url": "https://github.com/dmaluka/micro-detectindent/archive/v1.1.1.zip", + "Require": { + "micro": ">=2.0.0" + } + } + ] + }]