Big bang

lib/output.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+# Writes collected ENV_VALUE_* variables to a .env file.
+# Source this file; do not execute it directly.
+# Requires colors.sh to be sourced first.
+
+# write_env_file <output_file>
+# Writes all populated ENV_VALUE_<NAME> entries to <output_file>.
+write_env_file() {
+    local output_file="$1"
+
+    {
+        printf "# Generated by generate-env on %s\n" "$(date -u '+%Y-%m-%dT%H:%M:%SZ')"
+        printf "\n"
+
+        local var_name
+        for var_name in "${ENV_VARS[@]}"; do
+            local desc_var="ENV_DESC_${var_name}"
+            local desc="${!desc_var}"
+            local value_var="ENV_VALUE_${var_name}"
+            local value="${!value_var}"
+            [[ -n "$desc" ]] && printf "# %s\n" "$desc"
+            printf "%s=%s\n" "$var_name" "$value"
+            printf "\n"
+        done
+    } > "$output_file"
+
+    printf "\n${GREEN}✓ Written to %s${NC}\n" "$output_file" >&2
+}