From 4ce68819b673eb4ec40fbd49d6e5e0aae1205e37 Mon Sep 17 00:00:00 2001
From: Matthias Beyer <mail@beyermatthias.de>
Date: Wed, 15 Jun 2016 10:33:52 +0200
Subject: Add flag (-C) to append channel generation to tag name

---
 nix-script-switch.sh | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

(limited to 'nix-script-switch.sh')

diff --git a/nix-script-switch.sh b/nix-script-switch.sh
index e91fe8c..7fc3b9c 100755
--- a/nix-script-switch.sh
+++ b/nix-script-switch.sh
@@ -22,6 +22,8 @@ usage() {
 
         -t <tagname>    Custom tag name
 
+        -C              Append channel generation in tag (<tag>-channel-<gen>)
+
         -p [<pkgs>]     Generate the switch tag in the nixpkgs at <pkgs>
                         as well.  (default: '$RC_NIXPKGS')
 
@@ -78,6 +80,7 @@ COMMAND=switch
 ARGS=
 WD=$RC_CONFIG
 TAG_NAME=
+APPEND_CHANNEL_GEN=
 HOSTNAME="$(hostname)"
 TAG_NIXPKGS=0
 NIXPKGS=$RC_NIXPKGS
@@ -89,7 +92,7 @@ DONT_BUILD=
 QUIET=1
 USE_ALTERNATIVE_SOURCE_NIXPKGS=0
 
-while getopts "c:w:t:nbp:f:qs:r:h" OPTION
+while getopts "c:w:t:Cnbp:f:qs:r:h" OPTION
 do
     case $OPTION in
         c)
@@ -107,6 +110,11 @@ do
             dbg "TAG_NAME = $TAG_NAME"
             ;;
 
+        C)
+            APPEND_CHANNEL_GEN=1
+            dbg "APPEND_CHANNEL_GEN = $APPEND_CHANNEL_GEN"
+            ;;
+
         n)
             HOSTNAME=""
             dbg "HOSTNAME = $HOSTNAME"
@@ -207,6 +215,14 @@ then
     fi
 fi
 
+if [[ $APPEND_CHANNEL_GEN -eq 1 ]]; then
+    dbg "Appending channel generation to tag name"
+    TAG_NAME="${TAG_NAME}-channel-$(current_channel_generation)"
+    dbg "TAG_NAME = $TAG_NAME"
+else
+    dbg "Not appending channel generation to tag name"
+fi
+
 if [[ "$COMMAND" =~ "build" ]]
 then
     stdout "Command is 'build'. Not generating config tag"
-- 
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