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4869306719
* add render hooks * re-render hook per event * add example with single_line and simplify built rendering * update docs availability * remove comments
104 lines
3.5 KiB
Lua
104 lines
3.5 KiB
Lua
-- Reproduce yay.opt.single_line_results via RenderAUR/RenderSync.
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--
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-- yay.opt.single_line_results only changes one thing in the built-in
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-- renderer: the description is joined onto the result line with a tab
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-- instead of being printed on its own indented line below. These two hooks
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-- rebuild that same layout (plus the bold/color accents) from scratch, so
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-- you have a starting point for further tweaks (drop fields, change colors,
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-- add links, etc.). yay does not expose a color/text helper API to Lua, so
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-- every ANSI escape below is built by hand with plain Lua string functions.
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local ESC = string.char(27)
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local SEPARATOR = "\t" -- the one change that makes a result single-line
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local MINUTE, HOUR, DAY = 60, 3600, 24 * 3600
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local function sgr(code, s)
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return ESC .. "[" .. code .. "m" .. s .. ESC .. "[0m"
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end
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local function bold(s) return sgr("1", s) end
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local function red(s) return sgr("31", s) end
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local function green(s) return sgr("32", s) end
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local function yellow(s) return sgr("33", s) end
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local function cyan(s) return sgr("36", s) end
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-- A given repo/package name always renders in the same one of six colors,
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-- same hashing idea as yay's internal ColorHash.
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local function color_hash(name)
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local hash = 0
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for i = 1, #name do
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hash = (string.byte(name, i) + hash * 32 + hash) % 2147483648
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end
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return sgr(tostring(hash % 6 + 31), name)
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end
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-- Common "repo/name version" prefix shared by AUR and sync result lines.
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local function header(repo, name, version)
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return bold(color_hash(repo)) .. "/" .. bold(name) .. " " .. cyan(version)
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end
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-- Appends " tag" to line, unless tag is empty/nil/false.
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local function append(line, tag)
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if not tag or tag == "" then
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return line
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end
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return line .. " " .. tag
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end
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-- "[Xm]"/"[Xh]"/"[Xd]" age badge, colored red/yellow/cyan the newer it is.
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local function age_tag(last_modified)
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if not last_modified or last_modified == 0 then
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return ""
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end
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local age = os.time() - last_modified
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if age < HOUR then
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return bold(red("[" .. math.floor(age / MINUTE) .. "m]"))
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elseif age < DAY then
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return bold(red("[" .. math.floor(age / HOUR) .. "h]"))
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elseif age < 7 * DAY then
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return bold(yellow("[" .. math.floor(age / DAY) .. "d]"))
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end
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return cyan("[" .. math.floor(age / DAY) .. "d]")
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end
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local function installed_tag(version, local_version)
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if local_version == "" then
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return ""
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elseif local_version == version then
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return bold(green("(Installed)"))
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end
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return bold(green("(Installed: " .. local_version .. ")"))
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end
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yay.create_autocmd("RenderAUR", {
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desc = "single-line, colored AUR search results (mirrors single_line_results)",
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callback = function(event)
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local d = event.data
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local line = header("aur", d.name, d.version) ..
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bold(" (+" .. d.votes) .. " " .. bold(string.format("%.2f", d.popularity) .. ")")
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line = append(line, age_tag(d.last_modified))
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line = append(line, d.maintainer == "" and bold(red("(Orphaned)")))
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line = append(line, d.out_of_date ~= 0 and bold(red("(Out-of-date)")))
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line = append(line, installed_tag(d.version, d.local_version))
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return line .. SEPARATOR .. d.description
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end,
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})
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yay.create_autocmd("RenderSync", {
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desc = "single-line, colored sync search results (mirrors single_line_results)",
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callback = function(event)
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local d = event.data
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local line = header(d.repository, d.name, d.version)
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line = append(line, #d.groups > 0 and table.concat(d.groups, " "))
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line = append(line, installed_tag(d.version, d.local_version))
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return line .. SEPARATOR .. d.description
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end,
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})
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