feat: add installPath option for mise installation and create install-path test scenario

Author: atty303

src/mise/devcontainer-feature.json

@@ -10,6 +10,11 @@
       "default": "latest",
       "description": "Install a specific version"
     },
+    "installPath": {
+      "type": "string",
+      "default": "/usr/local/bin/mise",
+      "description": "Path to install mise"
+    },
     "activate": {
       "type": "string",
       "proposals": ["none", "path", "shims"],

src/mise/install.sh

@@ -3,16 +3,15 @@ set -e
 
 MISE_CLI_INSTALLER_GPG_KEY="0x7413A06D"
 
-# Installer options
-export MISE_INSTALL_PATH="/usr/local/bin/mise"
-
 # Feature options
 if [ ! "$VERSION" = "latest" ]; then
     export MISE_VERSION="$VERSION"
 fi
 if [ "$INSTALL" = "true" ]; then
     TRUST="true"
 fi
+# mise installer options
+export MISE_INSTALL_PATH="${INSTALLPATH:-/usr/local/bin/mise}"
 
 if [ "$(id -u)" -ne 0 ]; then
     echo -e 'Script must be run as root. Use sudo, su, or add "USER root" to your Dockerfile before running this script.'

test/mise/install-path.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+set -e
+
+source dev-container-features-test-lib
+
+check "testing config was trusted" bash -c '[ -x /tmp/mise ]'
+
+reportResults

test/mise/scenarios.json

@@ -96,5 +96,13 @@
       }
     },
     "updateContentCommand": "echo 'tools.bat = \"latest\"' > mise.toml"
+  },
+  "install-path": {
+    "image": "mcr.microsoft.com/devcontainers/base:ubuntu",
+    "features": {
+      "mise": {
+        "installPath": "/tmp/mise"
+      }
+    }
   }
 }