addet pika.install script

pika.sh

@@ -0,0 +1,156 @@
+#!/usr/bin/env bash
+
+# ─< Check if the given command exists silently >─────────────────────────────────────────
+command-exists() {
+  command -v "$@" >/dev/null 2>&1
+}
+
+# ─< Check if the user is root and set sudo variable if necessary >───────────────────────
+check_root() {
+  if [ "$(id -u)" -ne 0 ]; then
+    if command-exists sudo; then
+      echo "User is not root. Using sudo for privileged operations."
+      _sudo="sudo -E"
+    else
+      echo "No sudo found and you're not root! Can't install packages."
+      return 1
+    fi
+  else
+    echo "Root access confirmed."
+    _sudo=""
+  fi
+}
+
+get-packager() {
+  local packagers
+  packagers=(
+    apt
+    dnf
+    pacman
+    zypper
+    apk
+  )
+
+  for packager in "${packagers[@]}"; do
+    if command-exists $packager; then
+      case $packager in
+      apt)
+        pkg-install() {
+          if command-exists nala; then
+            $_sudo nala install --assume-yes "$@"
+          else
+            $_sudo apt install --assume-yes "$@"
+          fi
+        }
+        ;;
+      dnf)
+        pkg-install() {
+          $_sudo dnf -y install "$@"
+        }
+        ;;
+      pacman)
+        pkg-install() {
+          if command-exists paru; then
+            paru --noconfirm -S "$@"
+          elif command-exists yay; then
+            yay --noconfirm -S "$@"
+          else
+            $_sudo pacman --noconfirm -S "$@"
+          fi
+        }
+        ;;
+      zypper)
+        pkg-install() {
+          $_sudo zypper install "$@"
+        }
+        ;;
+      apk)
+        pkg-install() {
+          $_sudo apk add "$@"
+        }
+        ;;
+      esac
+    fi
+  done
+}
+
+source-script() {
+  i="$1"
+  import="$(mktemp)"
+  if command-exists curl; then
+    curl -fsSL $i -o $import
+  else
+    echo "curl is required, but missing.."
+    exit 1
+  fi
+
+  source "$import"
+  sleep 0.3
+  rm "$import"
+}
+
+script-exists() {
+  local install_url=https://git.k4li.de/scripts/installs/raw/branch/main
+  local script_url
+
+  for pkg in "$@"; do
+    script_url="${install_url}/${pkg}.sh"
+    if curl -fsSL $script_url 2>/dev/null; then
+      return 0
+    else
+      return 69
+    fi
+  done
+}
+
+install-func() {
+  local pkg
+  for pkg in "$@"; do
+    if script-exists $pkg; then
+      eval "$(curl -fsSL https://git.k4li.de/scripts/installs/raw/branch/main/${pkg}.sh)"
+    else
+      pkg-install "$pkg"
+    fi
+  done
+
+  exit 0
+}
+
+help-func() {
+  echo "How to use?"
+  echo
+  echo "pika [argument] [options]"
+  echo "argument=[i|install]"
+  echo "options:"
+  echo "i|install: <pkg name or space separated list"
+}
+
+# setup-env() {
+#   local script=https://git.k4li.de/scripts/imports/raw/branch/main/distros.sh
+#
+#   if ! command-exists pkg-install && ! command-exists check-and-install; then
+#     source-script $script
+#   fi
+# }
+
+check_root
+get-packager
+
+# NOTE:
+# arguments to parse:
+# i or install = installs the package after wards either with the pika scripts,
+# or directly via the packagemanager, if no script is available under this name.
+#
+for arg in "$@"; do
+  if [ -n "$arg" ]; then
+    case $arg in
+    install | i)
+      shift
+      install-func "$@"
+      ;;
+    *)
+      help-func
+      ;;
+    esac
+  fi
+done