From e00cf37fe053e0ddf22ab386d79a154a5a402aa1 Mon Sep 17 00:00:00 2001
From: Alex Kavanagh <alex.kavanagh@canonical.com>
Date: Fri, 26 Jan 2024 10:27:34 +0000
Subject: [PATCH] Make list-tracks.sh a little more useful

Add an optional parameter to just check for the existence of the track
rather than listing all the tracks (the default).
---
 charmhub-branches/list-tracks.sh | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/charmhub-branches/list-tracks.sh b/charmhub-branches/list-tracks.sh
index 99893c7..5b762d1 100755
--- a/charmhub-branches/list-tracks.sh
+++ b/charmhub-branches/list-tracks.sh
@@ -3,6 +3,7 @@
 script_dir="$( cd "$(dirname "${BASH_SOURCE[0]}" )" && pwd)"
 
 charm="${1}"
+track="${2}"
 
 if [ -z "${charm}" ]; then
     echo "usage: ${0} {charm-name}"
@@ -20,11 +21,20 @@ if [ -z "$CURL" ]; then
     echo "curl is needed for this script."
     exit 1
 fi
- 
+
 result=$(curl $API -s -H'Content-type: application/json' -H "$CHARMHUB_MACAROON_HEADER")
 
 tracks=$(echo $result | jq -r '.metadata.tracks[] | .name')
-echo "Tracks that exist for $charm are:"
-echo "$tracks"
+if [ ! -z "${track}" ]; then
+    echo -n "Track '$track' for $charm -> "
+    if [[ "$tracks" == *"$track"* ]]; then
+        echo "exists."
+    else
+        echo "doesn't exist."
+    fi
+else
+    echo "Tracks that exist for $charm are:"
+    echo "$tracks"
+fi