From a4a7f14f6f83774d65076381fed8123a8d2dd507 Mon Sep 17 00:00:00 2001
From: "W. Trevor King" <wking@drexel.edu>
Date: Fri, 28 Jan 2011 09:05:22 -0500
Subject: [PATCH] Add udev rules to assign /dev/comedi* to the comedi group.

---
 ChangeLog                  |  5 +++++
 Manifest                   |  5 +++--
 comedi-headers-9999.ebuild | 30 ++++++++++++++++++++++++++++--
 files/52-comedi.rules      |  3 +++
 4 files changed, 39 insertions(+), 4 deletions(-)
 create mode 100644 files/52-comedi.rules

diff --git a/ChangeLog b/ChangeLog
index 5ced1c9..f07a2a5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -3,6 +3,11 @@
 # Distributed under the terms of the GNU General Public License v2
 # $Header: $
 
+*comedi-headers-9999 (27 Jan 2011)
+  27 Jan 2010; W. Trevor King <wking@drexel.edu> comedi-headers-9999.ebuild, 52-comedi.rules :
+  Add udev use flag.  If set, /dev/comedi* will belong to a newly
+  created comedi group.
+
 *comedi-headers-9999 (31 Dec 2010)
   31 Dec 2010; W. Trevor King <wking@drexel.edu> comedi-headers-9999.ebuild :
   Fix repoman-reported issues with 9999.
diff --git a/Manifest b/Manifest
index fc67a00..3c68a77 100644
--- a/Manifest
+++ b/Manifest
@@ -1,3 +1,4 @@
-EBUILD comedi-headers-9999.ebuild 613 RMD160 e17b08fd4f5736e8a2508f5ef6a969972f4419bd SHA1 bc0572123089cbe27e8f3ae9c6c43ced493c3888 SHA256 319eabe2a147c597417ddb6553af4a9cb8e70a4fc416d02fce9f2f1de9b5a121
-MISC ChangeLog 878 RMD160 ec7f60425992f1376d1f487cfa4994968dae1edd SHA1 1c0238d61c46c4d88c48da3768eed931d93cc2b9 SHA256 43c80a516e9405ef5864141723d386f916a779de964e370fe276b81eb5726650
+AUX 52-comedi.rules 102 RMD160 95ec7903803ad026770b1480476a9bf9f58addbe SHA1 904923ef8dde3f2e5a6375c48f70f20490e8b920 SHA256 df691c0f1c3ffe334c165a4290cb9f98e70fcb29cfcf6808b9be09b567707b80
+EBUILD comedi-headers-9999.ebuild 1311 RMD160 f10cbe1a917d7735cf7fa23a3d39771cabff0982 SHA1 91084d6e392ed710599917bb7ce679023fbdc6d9 SHA256 5feb79da8f05976b3c374db70f59f8cf249b2f41f1be4bc9b1df09e7da3365e8
+MISC ChangeLog 1099 RMD160 1c04bee27a6ec09816f9bc3a68a38d1418bb217c SHA1 71cce88d0da5f6df111779dc21a2faaebdcbc52d SHA256 74c603537d55eacd7f2859266bf97f473d9146046d41178bd4a014e80a3f63aa
 MISC metadata.xml 247 RMD160 6735f3a5dd2d7a2b70589d1693f35d54291b7147 SHA1 c015969fe50967340dd050a44cb9f8a30b5e34a5 SHA256 9e65060e5f9d0a50d28c7a69d9c27fed6c3037fdd3e420cc276627fde2794f72
diff --git a/comedi-headers-9999.ebuild b/comedi-headers-9999.ebuild
index 3fdf884..7315ac2 100644
--- a/comedi-headers-9999.ebuild
+++ b/comedi-headers-9999.ebuild
@@ -16,13 +16,18 @@ HOMEPAGE="http://www.comedi.org/"
 LICENSE="LGPL-2.1"
 SLOT="0"
 KEYWORDS="~x86"
-IUSE=""
+IUSE="+udev"
 
 DEPEND=""
 RDEPEND=""
 
 RESTRICT="binchecks strip"
 
+pkg_setup() {
+	use udev && enewgroup comedi
+	#groupdel in pkg_postrm()?
+}
+
 src_configure() { :; }
 
 src_compile() { :; }
@@ -30,5 +35,26 @@ src_compile() { :; }
 src_install() {
 	cd "${S}/include/linux"
 	insinto /usr/include/
-	doins comedi.h || die "include failed"
+	doins comedi.h || die "include install failed"
+	if use udev; then
+		insinto /etc/udev/rules.d
+		doins "${FILESDIR}/52-comedi.rules" || die "udev rule install failed"
+	fi
+}
+
+pkg_postinst() {
+	if use udev; then
+		elog "To be able to use Comedi devices, you need to be a"
+		elog "member of the group 'comedi' which has just been added"
+		elog "to your system. You can add your user to the group by"
+		elog "running the following command as root:"
+		elog
+		elog "	usermod -a -G comedi youruser"
+		elog
+		elog "Please be aware that you need to either re-login or run"
+		elog
+		elog "	newgrp - comedi"
+		elog
+		elog "for the group membership to take effect."
+	fi
 }
diff --git a/files/52-comedi.rules b/files/52-comedi.rules
new file mode 100644
index 0000000..a3f058c
--- /dev/null
+++ b/files/52-comedi.rules
@@ -0,0 +1,3 @@
+# Setup /dev/comedi* devices to belong to the `comedi' group.
+
+KERNEL=="comedi[0-9]*", GROUP="comedi"
-- 
2.26.2