From 8998620d71efbe99320f11c2448697e610d7c7d4 Mon Sep 17 00:00:00 2001
From: rinpatch <rinpatch@sdf.org>
Date: Thu, 1 Aug 2019 14:15:18 +0300
Subject: [PATCH 1/2] Fix Invalid SemVer version generation

when the current branch does not have commits ahead of tag/checked out on a tag
---
 CHANGELOG.md |  4 ++++
 mix.exs      | 23 ++++++++++++++++++-----
 2 files changed, 22 insertions(+), 5 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 62fc3ac85..1008e6171 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,10 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
+## [1.0.4] - 2019-08-01
+### Fixed
+- Invalid SemVer version generation, when the current branch does not have commits ahead of tag/checked out on a tag
+
 ## [1.0.3] - 2019-07-31
 ### Security
 - OStatus: eliminate the possibility of a protocol downgrade attack.
diff --git a/mix.exs b/mix.exs
index 399314ef4..842626e4a 100644
--- a/mix.exs
+++ b/mix.exs
@@ -189,12 +189,13 @@ defmodule Pleroma.Mixfile do
            tag = String.trim(tag),
            {describe, 0} <- System.cmd("git", ["describe", "--tags", "--abbrev=8"]),
            describe = String.trim(describe),
-           ahead <- String.replace(describe, tag, "") do
+           ahead <- String.replace(describe, tag, ""),
+           ahead <- String.trim_leading(ahead, "-") do
         {String.replace_prefix(tag, "v", ""), if(ahead != "", do: String.trim(ahead))}
       else
         _ ->
           {commit_hash, 0} = System.cmd("git", ["rev-parse", "--short", "HEAD"])
-          {nil, "-0-g" <> String.trim(commit_hash)}
+          {nil, "0-g" <> String.trim(commit_hash)}
       end
 
     if git_tag && version != git_tag do
@@ -206,14 +207,15 @@ defmodule Pleroma.Mixfile do
     # Branch name as pre-release version component, denoted with a dot
     branch_name =
       with {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,
-           true <- branch_name != "master" do
+           true <- branch_name not in ["master", "HEAD"] do
         branch_name =
           branch_name
           |> String.trim()
           |> String.replace(identifier_filter, "-")
 
-        "." <> branch_name
+        branch_name
       end
 
     build_name =
@@ -233,6 +235,17 @@ defmodule Pleroma.Mixfile do
         env_override -> env_override
       end
 
+    # Pre-release version, denoted by appending a hyphen
+    # and a series of dot separated identifiers
+    pre_release =
+      [git_pre_release, branch_name]
+      |> Enum.filter(fn string -> string && string != "" end)
+      |> Enum.join(".")
+      |> (fn
+            "" -> nil
+            string -> "-" <> String.replace(string, identifier_filter, "-")
+          end).()
+
     # Build metadata, denoted with a plus sign
     build_metadata =
       [build_name, env_name]
@@ -243,7 +256,7 @@ defmodule Pleroma.Mixfile do
             string -> "+" <> String.replace(string, identifier_filter, "-")
           end).()
 
-    [version, git_pre_release, branch_name, build_metadata]
+    [version, pre_release, build_metadata]
     |> Enum.filter(fn string -> string && string != "" end)
     |> Enum.join()
   end

From 455f2934b7bee47e21aeae807a2595e96ee4b3a2 Mon Sep 17 00:00:00 2001
From: Ariadne Conill <ariadne@dereferenced.org>
Date: Thu, 1 Aug 2019 16:39:59 +0000
Subject: [PATCH 2/2] mix: update version to 1.0.4

---
 mix.exs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mix.exs b/mix.exs
index 842626e4a..0673e4581 100644
--- a/mix.exs
+++ b/mix.exs
@@ -4,7 +4,7 @@ defmodule Pleroma.Mixfile do
   def project do
     [
       app: :pleroma,
-      version: version("1.0.3"),
+      version: version("1.0.4"),
       elixir: "~> 1.7",
       elixirc_paths: elixirc_paths(Mix.env()),
       compilers: [:phoenix, :gettext] ++ Mix.compilers(),