Add install.sh

install.sh

@@ -0,0 +1,28 @@
+#!/bin/sh
+# Agent Hub's install: installs the newest Agent Hub for this user and opens it; running it again updates (HUB-10).
+# Its line: curl -fsSL https://git.bengles.se/agent-hub/releases/raw/branch/main/install.sh | sh
+# AGENT_HUB_SETUP_ARGS, when set, is added to the setup's arguments, e.g. --no-start.
+agent_hub_install() {
+    if [ "$(uname -s)" != Linux ] || [ "$(uname -m)" != x86_64 ]; then
+        echo 'This line installs Agent Hub on Linux (x86_64). On Windows, run the page'\''s PowerShell line.' >&2
+        return 1
+    fi
+    command -v curl >/dev/null 2>&1 || { echo 'Installing Agent Hub needs curl.' >&2; return 1; }
+    dir=$(mktemp -d) || return 1
+    exe="$dir/agent-hub-setup-linux"
+    echo 'Downloading Agent Hub...'
+    status=$(curl -sSL -o "$exe" -w '%{http_code}' 'https://git.bengles.se/agent-hub/releases/releases/download/latest/agent-hub-setup-linux') || status=${status:-000}
+    case "$status" in
+    200) ;;
+    404) echo 'Can'\''t download Agent Hub from git.bengles.se/agent-hub/releases: it has no release yet. Try again in a minute.' >&2; rm -rf "$dir"; return 1 ;;
+    *) echo 'Can'\''t download Agent Hub from git.bengles.se/agent-hub/releases'" (HTTP $status). "'Try again in a minute.' >&2; rm -rf "$dir"; return 1 ;;
+    esac
+    chmod +x "$exe"
+    echo 'Installing Agent Hub...'
+    "$exe" ${AGENT_HUB_SETUP_ARGS:-} </dev/null
+    code=$?
+    rm -rf "$dir"
+    [ "$code" -eq 0 ] || echo "Agent Hub's setup stopped: see above." >&2
+    return "$code"
+}
+agent_hub_install