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61 lines
1.3 KiB
Elixir
Executable File
61 lines
1.3 KiB
Elixir
Executable File
#! /usr/bin/elixir
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# this is a simple script to monthly tagging git
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# for I always rewrite the history and tags will be missing
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# use elixir is, fun and elegant
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defmodule GitMonthlyTag do
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def main do
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get_log()
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|> parse_date()
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#|> IO.inspect()
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|> sort_by_m()
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|> Enum.map(&gen_tag_cmd(&1))
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#|> Enum.each(&IO.puts(&1))
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|> Enum.each(&System.shell(&1) |> IO.inspect())
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end
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def get_log do
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{log, 0} =
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System.cmd("git", ["log", "--reverse", "--pretty='%as %h'"])
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log
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|> String.trim()
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|> String.replace(~r/['-]/, "")
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|> String.split("\n")
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|> Enum.map(&String.split(&1, " "))
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|> Enum.map(&List.to_tuple(&1))
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end
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def parse_date(data) do
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data
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|> Enum.map(fn {date, hash} ->
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{String.to_integer(date), hash} end)
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end
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def sort_by_m(data) do
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psort(data, 19700101, [])
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end
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defp psort([], _, acc), do: acc
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defp psort([{hd, hash} | tl], prev, acc) do
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cond do
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hash==prev ->
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psort(tl(tl), hd, acc)
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Enum.any?(prev..hd, fn x -> rem(x, 100) == 0 end) ->
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psort(tl, hd, [{hd, hash} | acc])
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true ->
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psort(tl, hd, acc)
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end
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end
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def gen_tag_cmd({date_n, hash}) do
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ym = div(date_n, 100)
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y = rem(div(ym, 100), 100)
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m = rem(ym, 100)
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"git tag #{y}.#{m} #{hash}"
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end
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end
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GitMonthlyTag.main()
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