adding rest of files from last push

make.project/dependencies.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+set -u
+
+# closely aligns with LFS Ch 5, 6
+
+# fix an issue with open files limit on some hosts
+ulimit -l unlimited
+
+#ulimit -n 10240 
+ulimit -c unlimited
+
+echo "Bootstrapping from MAKE to REX..."
+
+# Executes rex from within the shell.
+
+${dir_localtools}/rex -v \
+	-c ${dir_rex}/x86_64/rex.config \
+	-p ${dir_rex}/x86_64/plans/dependencies.plan
+
+retVal=$?
+exit $retVal

rex.project/x86_64/components/dependencies/bash.bash

@@ -0,0 +1,10 @@
+#!/bin/bash
+set -u
+
+export LC_ALL=C
+
+expected_version="$1"
+app="bash"
+
+ver_check $app $expected_version || echofail "$app $expected_version check failed."
+exit $?

rex.project/x86_64/components/dependencies/coreutils.bash

@@ -0,0 +1,10 @@
+#!/bin/bash
+set -u
+
+export LC_ALL=C
+
+expected_version="$1"
+app="sort"
+
+ver_check $app $expected_version || echofail "$app $expected_version check failed."
+exit $?

rex.project/x86_64/environments/dependencies.env.bash

@@ -0,0 +1,47 @@
+#!/bin/bash
+source ./project_config.sh
+
+TERM=xterm-256color
+COLORTERM=truecolor
+LC_ALL=C
+
+function echofail() {
+	echo
+	echo "FAILED: $1"
+	echo
+	exit 1
+}
+
+ver_check()
+{
+	if ! type -p $1 &>/dev/null; then 
+		echo "ERROR: Cannot find $1"; return 1; 
+	fi
+		v=$($1 --version 2>&1 | grep -E -o '[0-9]+\.[0-9\.]+[a-z]*' | head -n1 )
+	if printf '%s\n' $2 $v | sort --version-sort --check &>/dev/null; then 
+		printf "OK:    %-9s %-6s >= $2\n" "$1" "$v"; return 0;
+	else 
+		printf "ERROR: %-9s is TOO OLD ($2 or later required)\n" "$1"; 
+	return 1; 
+	fi
+}
+
+ver_kernel()
+{
+	kver=$(uname -r | grep -E -o '^[0-9\.]+')
+	if printf '%s\n' $1 $kver | sort --version-sort --check &>/dev/null; then
+		printf "OK:    Linux Kernel $kver >= $1\n"; 
+		return 0;
+	else
+		printf "ERROR: Linux Kernel ($kver) is TOO OLD ($1 or later required)\n" "$kver";
+		return 1;
+	fi
+}
+
+alias_check() {
+	if $1 --version 2>&1 | grep -qi $2; then
+		printf "OK:    %-4s is $2\n" "$1";
+	else
+		printf "ERROR: %-4s is NOT $2\n" "$1"; 
+	fi
+}

rex.project/x86_64/plans/dependencies.plan

@@ -0,0 +1,15 @@
+{
+	"plan":
+	[
+		{
+			"name":			"coreutils version check", 
+			"dependencies": [ null ],
+			"comment":		"check bash version"
+		},
+		{
+			"name":			"bash version check", 
+			"dependencies": [ null ],
+			"comment":		"check bash version"
+		}
+	]
+}

rex.project/x86_64/units/dependencies.units

@@ -0,0 +1,40 @@
+{
+	"units": [
+	{
+		"name":						"bash version check",
+		"target":					"components/dependencies/bash.bash 3.2",
+		"is_shell_command":			true,
+		"shell_definition":			"bash",
+		"force_pty":				true,
+		"set_working_directory":	false,
+		"working_directory":		"",
+		"rectify":					false,
+		"rectifier":				"",
+		"active":					true,
+		"required":					true,
+		"set_user_context":			true,
+		"user":         			"bagira",
+		"group":					"bagira",
+		"supply_environment":		true,
+		"environment":  			"environments/dependencies.env.bash"
+	},
+	{
+		"name":						"coreutils version check",
+		"target":					"components/dependencies/coreutils.bash 7.0",
+		"is_shell_command":			true,
+		"shell_definition":			"bash",
+		"force_pty":				true,
+		"set_working_directory":	false,
+		"working_directory":		"",
+		"rectify":					false,
+		"rectifier":				"",
+		"active":					true,
+		"required":					true,
+		"set_user_context":			true,
+		"user":         			"bagira",
+		"group":					"bagira",
+		"supply_environment":		true,
+		"environment":  			"environments/dependencies.env.bash"
+	}
+ ]
+}