From d11090b4f91ee1f2cbfc1236f2c7e4679ad9c2ac Mon Sep 17 00:00:00 2001
From: Wojtek Mach <wojtekmach@users.noreply.github.com>
Date: Tue, 15 Feb 2022 12:44:59 +0100
Subject: [PATCH] Create release cookie in env scripts (#1004)

---
 rel/app/env.bat.eex    | 7 +++++++
 rel/app/env.sh.bat     | 5 -----
 rel/app/env.sh.eex     | 6 +++++-
 rel/server/env.bat.eex | 7 +++++++
 rel/server/env.sh.bat  | 5 -----
 rel/server/env.sh.eex  | 6 +++++-
 6 files changed, 24 insertions(+), 12 deletions(-)
 create mode 100644 rel/app/env.bat.eex
 delete mode 100644 rel/app/env.sh.bat
 create mode 100644 rel/server/env.bat.eex
 delete mode 100644 rel/server/env.sh.bat

diff --git a/rel/app/env.bat.eex b/rel/app/env.bat.eex
new file mode 100644
index 000000000..15495311a
--- /dev/null
+++ b/rel/app/env.bat.eex
@@ -0,0 +1,7 @@
+set RELEASE_MODE=interactive
+
+set cookie_path="!RELEASE_ROOT!\releases\COOKIE"
+if not exist %cookie_path% (
+  for /f "skip=1" %%X in ('wmic os get localdatetime') do if not defined TIMESTAMP set TIMESTAMP=%%X
+  echo cookie-!TIMESTAMP:~0,11!-!RANDOM! > %cookie_path%
+)
diff --git a/rel/app/env.sh.bat b/rel/app/env.sh.bat
deleted file mode 100644
index 358718f63..000000000
--- a/rel/app/env.sh.bat
+++ /dev/null
@@ -1,5 +0,0 @@
-set RELEASE_MODE=interactive
-if not defined RELEASE_COOKIE (
-  for /f "skip=1" %%X in ('wmic os get localdatetime') do if not defined TIMESTAMP set TIMESTAMP=%%X
-  set RELEASE_COOKIE=cookie-!TIMESTAMP:~0,11!-!RANDOM!
-)
\ No newline at end of file
diff --git a/rel/app/env.sh.eex b/rel/app/env.sh.eex
index 20f81e413..f3186d18a 100644
--- a/rel/app/env.sh.eex
+++ b/rel/app/env.sh.eex
@@ -1,2 +1,6 @@
 export RELEASE_MODE=interactive
-export RELEASE_COOKIE="${RELEASE_COOKIE:-$(cat /dev/urandom | env LC_ALL=C tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1)}"
+
+cookie_path="${RELEASE_ROOT}/releases/COOKIE"
+if [ ! -f $cookie_path ]; then
+  cat /dev/urandom | env LC_ALL=C tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1 > $cookie_path
+fi
diff --git a/rel/server/env.bat.eex b/rel/server/env.bat.eex
new file mode 100644
index 000000000..15495311a
--- /dev/null
+++ b/rel/server/env.bat.eex
@@ -0,0 +1,7 @@
+set RELEASE_MODE=interactive
+
+set cookie_path="!RELEASE_ROOT!\releases\COOKIE"
+if not exist %cookie_path% (
+  for /f "skip=1" %%X in ('wmic os get localdatetime') do if not defined TIMESTAMP set TIMESTAMP=%%X
+  echo cookie-!TIMESTAMP:~0,11!-!RANDOM! > %cookie_path%
+)
diff --git a/rel/server/env.sh.bat b/rel/server/env.sh.bat
deleted file mode 100644
index 286e683a7..000000000
--- a/rel/server/env.sh.bat
+++ /dev/null
@@ -1,5 +0,0 @@
-set RELEASE_MODE=interactive
-if not defined RELEASE_COOKIE (
-  for /f "skip=1" %%X in ('wmic os get localdatetime') do if not defined TIMESTAMP set TIMESTAMP=%%X
-  set RELEASE_COOKIE=cookie-!TIMESTAMP:~0,11!-!RANDOM!
-)
diff --git a/rel/server/env.sh.eex b/rel/server/env.sh.eex
index 20f81e413..f3186d18a 100644
--- a/rel/server/env.sh.eex
+++ b/rel/server/env.sh.eex
@@ -1,2 +1,6 @@
 export RELEASE_MODE=interactive
-export RELEASE_COOKIE="${RELEASE_COOKIE:-$(cat /dev/urandom | env LC_ALL=C tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1)}"
+
+cookie_path="${RELEASE_ROOT}/releases/COOKIE"
+if [ ! -f $cookie_path ]; then
+  cat /dev/urandom | env LC_ALL=C tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1 > $cookie_path
+fi