Ports: Add GNU indent

Author: https://github.com/bcoles
Commit: https://github.com/SerenityOS/serenity/commit/7fbf8907177
Pull-request: https://github.com/SerenityOS/serenity/pull/4004
Reviewed-by: https://github.com/alimpfard
Reviewed-by: https://github.com/awesomekling
Reviewed-by: https://github.com/bugaevc

Ports/indent/package.sh

@@ -0,0 +1,17 @@
+#!/bin/bash ../.port_include.sh
+port=indent
+version=2.2.11
+files="https://ftp.gnu.org/gnu/indent/indent-${version}.tar.gz indent-${version}.tar.gz
+https://ftp.gnu.org/gnu/indent/indent-${version}.tar.gz.sig indent-${version}.tar.gz.sig
+https://ftp.gnu.org/gnu/gnu-keyring.gpg gnu-keyring.gpg"
+useconfigure=true
+auth_type="sig"
+auth_opts="--keyring ./gnu-keyring.gpg indent-${version}.tar.gz.sig"
+
+man_dir=$SERENITY_ROOT/Build/Root/usr/local/share/man/man1/
+
+post_install() {
+    mkdir -p "${man_dir}"
+    cp "indent-${version}/man/indent.1" "${man_dir}"
+}
+

Ports/indent/patches/disable-docs.patch

@@ -0,0 +1,11 @@
+--- indent-2.2.11/Makefile.in.orig	2020-11-09 01:22:06.155330703 -0800
++++ indent-2.2.11/Makefile.in	2020-11-09 01:22:26.199212026 -0800
+@@ -237,7 +237,7 @@
+ top_builddir = @top_builddir@
+ top_srcdir = @top_srcdir@
+ AUTOMAKE_OPTIONS = no-texinfo.tex
+-SUBDIRS = intl src doc po man
++SUBDIRS = intl src po
+ BUILT_SOURCES = 
+ EXTRA_DIST = README \
+ 		config/config.rpath config/mkinstalldirs \

Ports/indent/patches/fix-autoconf.patch

@@ -0,0 +1,10 @@
+--- indent-2.2.11/config/config.sub.orig	2020-11-08 23:19:24.782365611 -0800
++++ indent-2.2.11/config/config.sub	2020-11-08 23:19:36.510304136 -0800
+@@ -1236,6 +1236,7 @@
+ 	# Each alternative MUST END IN A *, to match a version number.
+ 	# -sysv* is not here because it comes later, after sysvr4.
+ 	-gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
++	      | -serenity* \
+ 	      | -*vms* | -sco* | -esix* | -isc* | -aix* | -sunos | -sunos[34]*\
+ 	      | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \
+ 	      | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \