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(-)

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"
-- 
cgit v1.2.3


From 2ed22525d324f3dd6cb92f7f17c68ccf62d08969 Mon Sep 17 00:00:00 2001
From: Matthias Beyer <mail@beyermatthias.de>
Date: Wed, 15 Jun 2016 10:42:35 +0200
Subject: utils: Add function to get channel names

---
 nix-utils.sh | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/nix-utils.sh b/nix-utils.sh
index de1f76f..ff4824f 100644
--- a/nix-utils.sh
+++ b/nix-utils.sh
@@ -142,6 +142,13 @@ current_channel_generation() {
     grep_generation "sudo nix-env -p /nix/var/nix/profiles/per-user/root/channels --list-generations"
 }
 
+#
+# Get the channel names
+#
+channel_names() {
+    sudo nix-channel --list | cut -d " " -f 1
+}
+
 #
 # Ask the user whether to continue or not
 #
-- 
cgit v1.2.3


From 022de6e384043e9a5b0a02edc2bf5e7fdfc80262 Mon Sep 17 00:00:00 2001
From: Matthias Beyer <mail@beyermatthias.de>
Date: Wed, 15 Jun 2016 10:42:55 +0200
Subject: Add setting for channel name to use in tags

---
 example.rc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/example.rc b/example.rc
index 323446c..dac35de 100644
--- a/example.rc
+++ b/example.rc
@@ -78,3 +78,8 @@ RC_UPD_PUSH=0
 #
 RC_UPD_PUSH_REMOTE="github"
 
+#
+# Channel name
+#
+RC_CHANNEL_NAME="unstable"
+
-- 
cgit v1.2.3


From c58fe70fa1de0015f8cf824a2eab53a7715b28b1 Mon Sep 17 00:00:00 2001
From: Matthias Beyer <mail@beyermatthias.de>
Date: Wed, 15 Jun 2016 10:43:53 +0200
Subject: Add flag to add the channel name in the tag for channel-update tags

---
 nix-script-channel-update.sh | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/nix-script-channel-update.sh b/nix-script-channel-update.sh
index 505e4b0..ca4ef93 100755
--- a/nix-script-channel-update.sh
+++ b/nix-script-channel-update.sh
@@ -7,6 +7,7 @@ usage() {
     $(help_synopsis "channel" "update [-h] [-t <name>] [-w <cfgdir>] [-n]")
 
         -t <name>   | Name for the new tag, instead of nixos-<host>-channel-<num>
+        -n          | Add channel name (from config) in the tag name, currently: $RC_CHANNEL_NAME
         -w <cfgdir> | Alternative config dir, default: $RC_CONFIG
         -n          | DON'T include hostname in tag name
         -h          | Show this help and exit
@@ -16,6 +17,7 @@ EOS
 }
 
 TAG_NAME=""
+ADD_CHANNEL_NAME=0
 CONFIG=$RC_CONFIG
 HOST="$(hostname)"
 
@@ -27,6 +29,11 @@ do
             dbg "TAG_NAME = $TAG_NAME"
             ;;
 
+        n)
+            ADD_CHANNEL_NAME=1
+            dbg "ADD_CHANNEL_NAME = $ADD_CHANNEL_NAME"
+            ;;
+
         w)
             CONFIG=$OPTARG
             dbg "CONFIG = $CONFIG"
@@ -61,6 +68,17 @@ then
     stdout "Tag name: '$TAG_NAME'"
 fi
 
+if [[ $ADD_CHANNEL_NAME -eq 1 ]]; then
+    [[ -z "$RC_CHANNEL_NAME" ]] && \
+        stderr "RC SETTING MISSING: RC_CHANNEL_NAME" && exit 1
+
+    dbg "Add the channel name in the tag"
+    TAG_NAME="${TAG_NAME}-${RC_CHANNEL_NAME}"
+    dbg "TAG_NAME = ${TAG_NAME}"
+else
+    dbg "Do not add the channel name in the tag"
+fi
+
 stdout "Resetting sudo password"
 sudo -k
 
-- 
cgit v1.2.3


From ec6860cf411206d4a056250f73544c10970a9dc0 Mon Sep 17 00:00:00 2001
From: Matthias Beyer <mail@beyermatthias.de>
Date: Sun, 19 Jun 2016 15:08:27 +0200
Subject: Ensure RC variable passthrough

---
 nix-script                   | 2 +-
 nix-script-channel-update.sh | 1 +
 nix-script-channel.sh        | 4 +++-
 3 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/nix-script b/nix-script
index 5bdfe15..5ff5fb4 100755
--- a/nix-script
+++ b/nix-script
@@ -146,4 +146,4 @@ SCRIPT_ARGS=$(shift_n $SHIFT_ARGS $*)
 # execute the script with its arguments
 #
 stdout "Calling: '$SCRIPT $SCRIPT_ARGS'"
-RC_CONFIG=$RC_CONFIG RC_NIXPKGS=$RC_NIXPKGS exec bash $SCRIPT $SCRIPT_ARGS
+RC=$RC RC_CONFIG=$RC_CONFIG RC_NIXPKGS=$RC_NIXPKGS exec bash $SCRIPT $SCRIPT_ARGS
diff --git a/nix-script-channel-update.sh b/nix-script-channel-update.sh
index ca4ef93..4ad8720 100755
--- a/nix-script-channel-update.sh
+++ b/nix-script-channel-update.sh
@@ -1,6 +1,7 @@
 #!/usr/bin/env bash
 
 source $(dirname ${BASH_SOURCE[0]})/nix-utils.sh
+[[ -f "$RC" ]] && { dbg "Config file found. Sourcing: '$RC'"; source $RC; }
 
 usage() {
     cat <<EOS
diff --git a/nix-script-channel.sh b/nix-script-channel.sh
index 6a24eca..d0880ba 100755
--- a/nix-script-channel.sh
+++ b/nix-script-channel.sh
@@ -51,5 +51,7 @@ stdout "SCRIPT = $SCRIPT"
 stdout "Parsing args for '$1'"
 SCRIPT_ARGS=$(echo $* | sed -r "s/(.*)$1(.*)/\2/")
 
+[[ -f "$RC" ]] && { dbg "Config file found. Sourcing: '$RC'"; source $RC; }
+
 stdout "Calling: '$SCRIPT $SCRIPT_ARGS'"
-RC_CONFIG=$RC_CONFIG RC_NIXPKGS=$RC_NIXPKGS exec bash $SCRIPT $SCRIPT_ARGS
+RC=$RC RC_CONFIG=$RC_CONFIG RC_NIXPKGS=$RC_NIXPKGS exec bash $SCRIPT $SCRIPT_ARGS
-- 
cgit v1.2.3