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#!/usr/bin/env lua
--- Executable interface to the bliss library.
-- @script bliss
local bliss = require "bliss"
local function version()
print(bliss.version)
end
local function usage()
--- @usage
local usage = [[bliss [a|b|c|d|i|l|r|s|u|U|v] [pkg]...
alternatives List and swap alternatives
build Build packages
checksum Generate checksums
download Download sources
install Install packages
list List installed packages
remove Remove packages
search Search for packages
update Update the repositories
upgrade Update the system
version Package manager version]]
print(usage)
os.exit(true)
end
local function args(env, arg)
local args_map = {
a = bliss.alternatives,
b = bliss.build,
c = bliss.checksum,
d = bliss.download,
H = bliss.help_ext,
i = bliss.install,
l = bliss.list,
r = bliss.remove,
s = bliss.search,
u = bliss.update,
U = bliss.upgrade,
v = version,
}
if #arg < 1 then usage() end
local char = string.sub(arg[1], 1, 1)
if arg[1] == "upgrade" then char = "U" end
if char == "i" or char == "a" or char == "r" then
local user = bliss.am_not_owner(env.ROOT .. "/")
if user then
local newarg = {
"env",
"LOGNAME="..user,
"HOME="..os.getenv("HOME"),
"XDG_CACHE_HOME="..(os.getenv("XDG_CACHE_HOME") or ""),
"KISS_COMPRESS="..env.COMPRESS,
"KISS_PATH="..table.concat(env.PATH, ":"),
"KISS_FORCE="..env.FORCE,
"KISS_ROOT="..env.ROOT,
"KISS_CHOICE="..env.CHOICE,
"KISS_COLOR="..env.COLOR,
"KISS_TMPDIR="..env.TMPDIR,
"KISS_PID="..env.PID,
"_KISS_LVL="..env._LVL,
}
table.move(arg, 0, #arg, #newarg+1, newarg)
bliss.trap_off(env)
bliss.as_user(env, user, newarg)
bliss.trap_on(env)
return
end
end
-- shift
table.remove(arg, 1)
-- TODO: pkg_order
-- TODO: prepend PWD to PATH if no args and action ~= list
local f = args_map[char]
if f then
-- Run in protected mode. This is to catch bugs rather than user-facing
-- error handling. None of the action functions return a value; we're
-- only interested in if they fail or succeed.
if not xpcall(f, function (msg)
print(msg)
print(debug.traceback())
end, env, arg)
then
os.exit(1)
end
else
-- TODO: ext
usage()
end
end
local env = bliss.setup()
args(env, arg)
env.atexit()
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