add declarative package list and installer, improve shell scripts

run_onchange_install-packages.sh.tmpl

@@ -0,0 +1,47 @@
+#!/usr/bin/env sh
+
+# .chezmoidata/packages.yaml hash: {{ include ".chezmoidata/packages.yaml" | sha256sum }}
+
+echo "[-] Updating packages [-]"
+
+{{- if eq .chezmoi.os "linux" }}
+{{- if eq .chezmoi.osRelease.id "alpine" }}
+echo "[-] Updating APK packages [-]"
+apk update
+{{ range .packages.linux.apks -}}
+apk add {{ . | quote }}
+{{ end -}}
+{{- else if (eq .chezmoi.osRelease.id "debian" "ubuntu" "zorin") }}
+echo "[-] Updating Apt packages [-]"
+sudo apt update
+{{ range .packages.linux.apts -}}
+sudo apt install -y {{ . | quote }}
+{{ end -}}
+{{ end -}}
+
+{{- else if eq .osid "darwin" }}
+echo "[-] Updating brews [-]"
+{{ range .packages.darwin.brews -}}
+brew install  {{ . | quote }}
+{{ end -}}
+{{ end -}}
+
+echo "[-] Updating Webman groups [-]"
+
+if test -x ~/.webman/bin/webman; then
+  echo "webman already installed"
+else
+  echo "\n[-] Installing webman [-]"
+  curl https://raw.githubusercontent.com/candrewlee14/webman/main/scripts/install.sh | sh
+fi
+
+~/.webman/bin/webman upgrade webman
+
+{{ range .packages.webman.groups -}}
+~/.webman/bin/webman group upgrade {{ . | quote }} -a
+{{ end -}}
+
+echo "[-] Updating Webman packages [-]"
+{{ range .packages.webman.pkgs -}}
+~/.webman/bin/webman upgrade {{ . | quote }}
+{{ end -}}