Use HashiCorp Releases API to get latest version (#8)

* Use HashiCorp Releases API to get latest version

* move `orbs` stanza to top-level

Author: smaeda-ks

src/@orb.yml

@@ -9,6 +9,5 @@ description: |
 display:
     source_url: https://github.com/smaeda-ks/orb-hashicorp-vault-cli
 
-# If your orb requires other orbs, you can import them like this. Otherwise remove the "orbs" stanza.
-# orbs:
-#  hello: circleci/[email protected]
+orbs:
+  jq: circleci/[email protected]

src/commands/install.yml

@@ -9,6 +9,7 @@ parameters:
         description: Directory in which to install vault
         type: string
 steps:
+    - jq/install
     - run:
           command: |
               # Quietly try to make the install directory.
@@ -35,7 +36,7 @@ steps:
                   if [ ! "$PARAM_VAULT_VERSION" = "latest" ]; then
                       export VAULT_VER_STRING="$PARAM_VAULT_VERSION"
                   else
-                      PARAM_VAULT_VERSION=$(basename $(curl -fs -o /dev/null -w %{redirect_url} https://github.com/hashicorp/vault/releases/latest) | sed 's/v//')
+                      PARAM_VAULT_VERSION=$(curl -fs https://api.releases.hashicorp.com/v1/releases/vault/latest | jq -r '.version')
                       export VAULT_VER_STRING="$PARAM_VAULT_VERSION"
                   fi