Add one line install (#364)

* add variable * add readme install instructions * add latest version * add latest install instructions * double quote cmd * update install instructions --------- Co-authored-by: Pedro Tashima <[email protected]>
rancher · Feb 15, 2024 · d8ad00d · d8ad00d
1 parent 09bc29c
commit d8ad00d
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diff --git a/README.md b/README.md
@@ -27,7 +27,14 @@ The easiest way to install a single utility is to go to the release page, choose
 To install all executables and shell libraries, run the install script as follows:
 
 ```sh
-install.sh v0.24.0
+# to install the latest version
+curl -sfL https://raw.githubusercontent.com/rancher/ecm-distro-tools/master/install.sh | sh -
+# or
+./install.sh
+# to install a specific version
+curl -sfL https://raw.githubusercontent.com/rancher/ecm-distro-tools/master/install.sh | ECM_VERSION=v0.31.2 sh -
+# or
+./install.sh v0.31.2
 ```
 
 This will download all binaries and shell libraries and install them to `/usr/local/bin/ecm-distro-tools`. You'll need to add that directory to your path after installation.

diff --git a/install.sh b/install.sh
@@ -98,11 +98,14 @@ install_binaries() {
 }
 
 { # main
-    if [ -z "$1" ]; then 
-        echo "error: release version required"
-        exit 1
-    fi
     RELEASE_VERSION=$1
+    if [ -n "${ECM_VERSION}" ]; then
+        RELEASE_VERSION=${ECM_VERSION}
+    fi
+
+    if [ -z "$RELEASE_VERSION" ]; then 
+        RELEASE_VERSION=$(basename "$(curl -Ls -o /dev/null -w %\{url_effective\} https://github.com/rancher/ecm-distro-tools/releases/latest)")
+    fi
 
     echo "Installing ECM Distro Tools: ${RELEASE_VERSION}"