util/processShortlog.lua

   1 #!/usr/bin/env lua
   2 local authors = {}
   3
   4 local currentAuthor
   5
   6 local function pushValue(t, group, value)
   7         local items = t[group] or {}
   8         t[group] = items
   9         items[#items + 1] = value
  10 end
  11 for line in io.lines() do
  12         local author = line:match("^(.- %(%d*%):)$")
  13         line = line:match("^%s*(.-)%s*$")
  14         if author then
  15                 currentAuthor = authors[author] or {}
  16                 authors[author] = currentAuthor
  17         elseif currentAuthor and #line > 0 then
  18                 local msg = line:gsub("^%s*","")
  19                 local group, data = msg:match("^([^:]*[%s]*:)[%s]*(.*)$")
  20                 if not group then
  21                         pushValue(currentAuthor, "-ungrouped-", msg)
  22                 else
  23                         pushValue(currentAuthor, group, data)
  24                 end
  25         end
  26 end
  27 for author, groups in pairs(authors) do
  28         print(author)
  29         -- SORT GROUPS
  30         local sorted = {}
  31         for group, groupValues in pairs(groups) do
  32                 sorted[#sorted + 1] = {group, groupValues}
  33         end
  34         table.sort(sorted, function(a,b) return a[1] < b[1] end)
  35         for _, gv in ipairs(sorted) do
  36                 local group, groupValues = unpack(gv)
  37                 print("\t" .. group)
  38                 for _, entry in ipairs(groupValues) do
  39                         print("\t\t" .. entry)
  40                 end
  41         end
  42 end