feat: wrapper for pg_dumpall

package/c/hectic/docs/templater.md

@@ -34,6 +34,8 @@ Parameters defining syntax for blocks controlling loops or nested structures.
   Finalizes the section declaration block.  
   *Example:* `do ` | `:`
 
+*Example*
+
 *Section Example:*
 ```tpl
 {% for item in items do
@@ -140,4 +142,4 @@ Enables calling functions with arguments.
 - **Unclosed Tags:** Must return an error.
 - **Missing Fields/Functions/Templates:** Configurable to either return an error or warning.
 - **Circular Includes:** Detect when possible.
-- **No Shadowing:** Variables defined in section tags must not conflict with context variable names, otherwise, return an error.
+- **No Shadowing:** Variables defined in section tags must not conflict with context variable names, otherwise, return an error.

package/postgres/wpg_dupmall.nix

@@ -0,0 +1,33 @@
+# Wrapper for pg_dumpall with url option
+{ writeShellScriptBin, postgresql, ... }:
+writeShellScriptBin "wpg_dupmall" /* */ ''
+#!/bin/sh
+
+while [ $# -gt 0 ]; do
+  case "$1" in
+    --url=*)
+      url="''${1#--url=}"
+      shift
+      ;;
+    --url)
+      url="$2"
+      shift 2
+      ;;
+    *)
+      args="$args $1"
+      shift
+      ;;
+  esac
+done
+
+if [ -n "$url" ]; then
+  user=$(echo "$url" | sed -E 's|.*://([^:]+):.*@.*|\1|')
+  pass=$(echo "$url" | sed -E 's|.*://[^:]+:([^@]+)@.*|\1|')
+  host=$(echo "$url" | sed -E 's|.*@([^:/]+):.*|\1|')
+  port=$(echo "$url" | sed -E 's|.*:([0-9]+)/?.*|\1|')
+  export PGPASSWORD="$pass"
+  exec ${postgresql}/bin/pg_dumpall -h "$host" -p "$port" -U "$user" $args
+else
+  exec ${postgresql}/bin/pg_dumpall $args
+fi
+''