- with {tag, 0} <-
- System.cmd("git", ["describe", "--tags", "--abbrev=0"], stderr_to_stdout: true),
- {describe, 0} <- System.cmd("git", ["describe", "--tags", "--abbrev=8"]) do
- describe
- |> String.trim()
- |> String.replace(String.trim(tag), "")
- |> String.trim_leading("-")
- |> String.trim()
- else
- _ ->
- {commit_hash, 0} = System.cmd("git", ["rev-parse", "--short", "HEAD"])
- "0-g" <> String.trim(commit_hash)
+ if cmdgit_err == 0 do
+ {tag, tag_err} =
+ System.cmd("git", ["describe", "--tags", "--abbrev=0"], stderr_to_stdout: true)
+
+ {describe, describe_err} = System.cmd("git", ["describe", "--tags", "--abbrev=8"])
+ {commit_hash, commit_hash_err} = System.cmd("git", ["rev-parse", "--short", "HEAD"])
+
+ # Pre-release version, denoted from patch version with a hyphen
+ cond do
+ tag_err == 0 and describe_err == 0 ->
+ describe
+ |> String.trim()
+ |> String.replace(String.trim(tag), "")
+ |> String.trim_leading("-")
+ |> String.trim()
+
+ commit_hash_err == 0 ->
+ "0-g" <> String.trim(commit_hash)
+
+ true ->
+ nil
+ end