Add Pleroma.Utils.command_available?/1 and use where appropriate

This commit is contained in:
Roman Chvanikov 2020-07-11 15:48:45 +03:00
parent 11dd29ef3f
commit aedbbec88a
4 changed files with 28 additions and 4 deletions

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@ -9,8 +9,15 @@ defmodule Pleroma.Upload.Filter.Exiftool do
"""
@behaviour Pleroma.Upload.Filter
require Logger
def filter(%Pleroma.Upload{tempfile: file, content_type: "image" <> _}) do
if Pleroma.Utils.command_available?("exiftool") do
System.cmd("exiftool", ["-overwrite_original", "-gps:all=", file], parallelism: true)
else
Logger.warn("exiftool is not available, filter #{__MODULE__} skipped")
end
:ok
end

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@ -9,4 +9,19 @@ def compile_dir(dir) when is_binary(dir) do
|> Enum.map(&Path.join(dir, &1))
|> Kernel.ParallelCompiler.compile()
end
@doc """
POSIX-compliant check if command is available in the system
## Examples
iex> command_available?("git")
true
iex> command_available?("wrongcmd")
false
"""
@spec command_available?(String.t()) :: boolean()
def command_available?(command) do
match?({_output, 0}, System.cmd("sh", ["-c", "command -v #{command}"]))
end
end

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@ -234,10 +234,10 @@ defp aliases do
defp version(version) do
identifier_filter = ~r/[^0-9a-z\-]+/i
{_cmdgit, cmdgit_err} = System.cmd("sh", ["-c", "command -v git"])
git_available? = Pleroma.Utils.command_available?("git")
git_pre_release =
if cmdgit_err == 0 do
if git_available? do
{tag, tag_err} =
System.cmd("git", ["describe", "--tags", "--abbrev=0"], stderr_to_stdout: true)
@ -263,7 +263,7 @@ defp version(version) do
# Branch name as pre-release version component, denoted with a dot
branch_name =
with 0 <- cmdgit_err,
with true <- git_available?,
{branch_name, 0} <- System.cmd("git", ["rev-parse", "--abbrev-ref", "HEAD"]),
branch_name <- String.trim(branch_name),
branch_name <- System.get_env("PLEROMA_BUILD_BRANCH") || branch_name,

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@ -7,6 +7,8 @@ defmodule Pleroma.Upload.Filter.ExiftoolTest do
alias Pleroma.Upload.Filter
test "apply exiftool filter" do
assert Pleroma.Utils.command_available?("exiftool")
File.cp!(
"test/fixtures/DSCN0010.jpg",
"test/fixtures/DSCN0010_tmp.jpg"