Hash :
eb989206
Author :
Thomas de Grivel
Date :
2022-06-26T17:47:01
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defmodule Kmxgit.Git do
@on_load :init
@git_root "priv/git"
# common functions
def git_dir(repo) do
if String.match?(repo, ~r/(^|\/)\.\.($|\/)/), do: raise "invalid git dir"
"#{@git_root}/#{repo}.git"
end
@disable_du true
def du_ks(path) do
if @disable_du do
0
else
{out, status} = System.cmd("du", ["-ks", path], stderr_to_stdout: true)
case status do
0 ->
{k, _} = Integer.parse(out)
k
x ->
IO.inspect(x)
0
end
end
end
def du_ks_(path) do
if File.dir?(path) do
case File.ls(path) do
{:ok, files} ->
Enum.reduce(files, 0, fn file, acc ->
if file != "." && file != ".." do
du_ks("#{path}/#{file}") + acc
else
acc
end
end)
{:error, err} ->
IO.inspect(err)
0
end
else
case File.lstat(path, time: :posix) do
{:ok, stat} -> stat.size / 1024
{:error, err} ->
IO.inspect(err)
0
end
end
end
def dir_disk_usage(dir) do
du_ks("#{@git_root}/#{dir}")
end
def disk_usage(repo) do
git_dir(repo)
|> du_ks()
end
# NIFs
def branches(repo) do
repo
|> git_dir()
|> branches_nif()
end
def branches_nif(_repo) do
exit(:nif_not_loaded)
end
def content(repo, sha) do
repo
|> git_dir()
|> content_nif(sha)
end
def content_nif(_repo, _sha) do
exit(:nif_not_loaded)
end
def create(repo) do
dir = "#{@git_root}/#{Path.dirname(repo)}"
name = "#{Path.basename(repo)}.git"
:ok = File.mkdir_p(dir)
create_nif("#{dir}/#{name}")
end
def create_nif(_repo) do
exit(:nif_not_loaded)
end
def diff(repo, from, to) do
dir = git_dir(repo)
diff_nif(dir, from, to)
end
def diff_nif(_repo, _from, _to) do
exit(:nif_not_loaded)
end
def files(repo, tree, path, parent \\ ".") do
dir = git_dir(repo)
case files_nif(dir, tree, path) do
{:ok, files} ->
files1 = files
|> Enum.map(fn file ->
Map.put(file, :url, "#{parent}/#{path}/#{file.name}")
end)
{:ok, files1}
x -> x
end
end
def files_nif(_repo, _tree, _path) do
exit(:nif_not_loaded)
end
def init do
path = "bin/libgit_nif"
|> String.to_charlist()
:ok = :erlang.load_nif(path, 0)
end
def log(repo, tree \\ "HEAD", path \\ "", skip \\ 0, limit \\ 100) do
tree = tree || "HEAD"
dir = git_dir(repo)
# [%{author: author, author_email: email, hash: hash, date: date, message: msg}]
log_nif(dir, tree, path, skip, limit)
end
def log_nif(_repo, _tree, _path, _skip, _limit) do
exit(:nif_not_loaded)
end
def tags(repo) do
dir = git_dir(repo)
tags_nif(dir)
end
def tags_nif(_repo) do
exit(:nif_not_loaded)
end
end