From 55b74f5d012edb1482690eadafa503c1d41f0020 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Hoguin?= <essen@ninenines.eu>
Date: Wed, 26 Oct 2016 13:54:45 +0300
Subject: Add self-extracting/running archives for releases

This is a proof of concept at the moment. It only runs
the release in 'console' mode at the moment. I am expecting
users to want a mix of both self extracting (without removing
when done) and self running (with removal when done) archives.
There is currently no way to configure the behavior and so
the files get deleted when the release terminates (self running
use case).

The SFX archive will only be created when the SFX variable
is set (either in the Makefile or through the command-line).

There are currently no documentation. Just "make SFX=1".
---
 plugins/sfx.mk | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 plugins/sfx.mk

(limited to 'plugins')

diff --git a/plugins/sfx.mk b/plugins/sfx.mk
new file mode 100644
index 0000000..ab9761c
--- /dev/null
+++ b/plugins/sfx.mk
@@ -0,0 +1,45 @@
+# Copyright (c) 2016, Loïc Hoguin <essen@ninenines.eu>
+# This file is part of erlang.mk and subject to the terms of the ISC License.
+
+.PHONY: sfx
+
+ifdef RELX_RELEASE
+ifdef SFX
+
+# Configuration.
+
+SFX_OUTPUT = $(RELX_OUTPUT_DIR)/$(RELX_RELEASE).run
+
+# Core targets.
+
+rel:: sfx
+
+# Plugin-specific targets.
+
+define sfx_stub
+#!/bin/sh
+
+TMPDIR=`mktemp -d`
+ARCHIVE=`awk '/^__ARCHIVE_BELOW__$$/ {print NR + 1; exit 0;}' $$0`
+FILENAME=$$(basename $$0)
+REL=$${FILENAME%.*}
+
+tail -n+$$ARCHIVE $$0 | tar xz -C $$TMPDIR
+
+$$TMPDIR/$$REL/bin/$$REL console
+RET=$$?
+
+rm -rf $$TMPDIR
+
+exit $$RET
+
+__ARCHIVE_BELOW__
+endef
+
+sfx:
+	$(call render_template,sfx_stub,$(SFX_OUTPUT))
+	$(gen_verbose) tar -C $(RELX_OUTPUT_DIR) -czO $(RELX_RELEASE) >> $(SFX_OUTPUT)
+	$(verbose) chmod +x $(SFX_OUTPUT)
+
+endif
+endif
-- 
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