dotfiles/confgen.lua

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cg.addPath ".config"
cg.addPath ".local"
cg.addPath ".ssh"
cg.addPath ".cargo"
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cg.addPath "etc"
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cg.addFile ".gtkrc-2.0.cgt"
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cg.addFile ".Xresources.cgt"
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cg.addFile ".replrc"
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cg.addFile ".vieterrc.cgt"
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-- Recursively merge 2 tables
local function merge(a, b)
for k, v in pairs(b) do
if type(v) == "table" and type(a[k]) == "table" then
merge(a[k], v)
else
a[k] = v
end
end
return a
end
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cg.opt = merge(cg.opt, require "cg_opts")
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local local_opts = loadfile(os.getenv "HOME" .. "/.config/mzte_localconf/opts.lua")
if local_opts then
cg.opt = merge(cg.opt, local_opts())
end
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-- This function is called in templates to allow adding device-specific configs.
cg.opt.getDeviceConf = function(id)
local path = os.getenv "HOME" .. "/.config/mzte_localconf/" .. id
local file = io.open(path, "r")
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if not file then
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return ""
end
return file:read "*a"
end
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-- Returns the contents of a file
cg.opt.read = function(fname)
local file = io.open(fname, "r")
if not file then
return nil
end
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return file:read "*a"
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end
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-- Get the output of a system command
cg.opt.system = function(cmd)
local handle = io.popen(cmd)
if handle == nil then
error("Failed to spawn process" .. cmd)
end
return handle:read("*a"):gsub("%s+", "")
end
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-- Compile the input as lua. Meant to be used as a post-processor.
cg.opt.luaCompile = function(lua)
return string.dump(loadstring(lua), true)
end
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-- Compile the input as fennel. Meant to be used as a post-processor.
cg.opt.fennelCompile = function(fnl)
local handle = io.popen("fennel -c - > /tmp/cgfnl", "w")
if handle == nil then
error "Failed to spawn fennel"
end
handle:write(fnl)
handle:close()
local f = io.open "/tmp/cgfnl"
local res = f:read "*a"
f:close()
return res
end
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-- Check if the given file exists
cg.opt.fileExists = function(path)
local f = io.open(path, "r")
if f then
f:close()
return true
end
return false
end