1#!/bin/bash
2set -eo pipefail
3
4help=$'Generate PNOR UBI image from a PNOR SquashFS Tarball
5
6Generates a UBI, Unsorted Block Images, PNOR image from a PNOR SquashFS Tarball.
7The PNOR SquashFS Tarball is generated from the generate-squashfs script.
8
9usage: generate-ubi [OPTION] <PNOR SquashFS Tarball>...
10
11Options:
12   -f, --file <file>      Specify destination file. Defaults to
13                          `pwd`/<PNOR Tarball FILE, removing .squashfs.tar>.ubi.mtd
14                          (For example, "generate-ubi my.pnor.squashfs.tar"
15                          would generate `pwd`/my.pnor.ubi.mtd output.)
16   -h, --help             Display this help text and exit.
17'
18
19while [[ $# -gt 0 ]]; do
20  key="$1"
21  case $key in
22    -f|--file)
23      outfile="$2"
24      shift 2
25      ;;
26    -h|--help)
27      echo "$help"
28      exit
29      ;;
30    *)
31      tarball="$1"
32      shift 1
33      ;;
34  esac
35done
36
37if [ ! -f "${tarball}" ]; then
38  echo "Please enter a PNOR SquashFS Tarball."
39  echo "To generate PNOR SquashFS Tarball see generate-squashfs"
40  echo "$help"
41  exit 1
42fi
43
44if [[ -z $outfile ]]; then
45    # Remove .squashfs.tar from end if present and add .ubi.mtd
46    outfile=`pwd`/${tarball%".squashfs.tar"}.ubi.mtd
47else
48  if [[ $outfile != /* ]]; then
49    outfile=`pwd`/$outfile
50  fi
51fi
52
53