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modified post 33a4be423 by Anonymous on Tue 12th Nov 2024 17:05
original post e75825a by Anonymous on Tue 12th Nov 2024 16:23
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#!/bin/bash

1	1		#!/bin/bash
2	2
3	3		#
4	4		# wintartest001.bash - /cygdrive/c/Windows/system32/tar filesystem test
5	5		# which compares files unpacked by /cygdrive/c/Windows/system32/tar
6	6		# and /usr/bin/tar, and checks whether files have same hashes
7	7		#
8	8		# Written by Roland Mainz <roland.mainz@nrubsig.org>
9	9		#
10	10
11	11		#
12	12		# Notes:
	13	+	# - Genreate test tar.bz2 files like this:
13	15		# - Compare individual files with
14	16		# $ diff -u <(od -x -v cygwintar/bin/ksh93.exe) <(od -x -v wintar/bin/ksh93.exe)
15	17		#
16	18
17	19		export PATH='/bin:/usr/bin'
18	20
19	21		# set umask=0000 to avoid permission madness on SMB
20	22		umask 0000
21	23
22	24		typeset intarfile="$1"
23	25		typeset f
24	26		typeset -i num_failed_hash_compare=0
25	27
26	28		if [[ ! -x '/cygdrive/c/Windows/system32/tar' ]] ; then
27	29		printf $"%s: %s not found.\n" \
28	30		"$0" '/cygdrive/c/Windows/system32/tar' 1>&2
29	31		exit 1
30	32		fi
31	33
32	34		if [[ ! -r "$intarfile" ]] ; then
33	35		printf $"%s: Input file %q not readable.\n" \
34	36		"$0" "$intarfile" 1>&2
35	37		exit 1
36	38		fi
37	39
38	40		typeset IFS=$'\n'
39	41
40	42		set -o xtrace
41	43		set -o errexit
42	44
43	45		intarfile="$(realpath "$intarfile")"
44	46
45	47		rm -Rf 'wintar_tmp' 'cygwintar_tmp'
46	48		mkdir 'wintar_tmp' 'cygwintar_tmp'
47	49
48	50		cd 'wintar_tmp'
49	51		/cygdrive/c/Windows/system32/tar -xvf "$(cygpath -w "$intarfile")"
50	52		cd '..'
51	53
52	54		cd 'cygwintar_tmp'
53	55		/usr/bin/tar -xvf "$intarfile"
54	56		cd '..'
55	57
56	58		typeset -a file_list=(
57	59		$(cd 'cygwintar_tmp' && find . -type f)
58	60		)
59	61
60	62		set +o xtrace +o errexit
61	63
62	64		for f in "${file_list[@]}" ; do
63	65		IFS=' ' read wintar_hash dummy < <(openssl md5 -r "wintar_tmp/$f")
64	66		IFS=' ' read cygwintar_hash dummy < <(openssl md5 -r "cygwintar_tmp/$f")
65	67
66	68		if [[ "$wintar_hash" == "$cygwintar_hash" ]] ; then
67	69		printf $"NOTE:\tHashes for file %q OK\n" "$f"
68	70		else
69	71		printf $"ERROR:\tHashes for file %q differ, wintar_hash(%s) != cygwintar_hash(%s)\n" \
70	72		"$f" "$wintar_hash" "$cygwintar_hash"
71	73		(( num_failed_hash_compare++ ))
72	74		fi
73	75		done
74	76
75	77		exit $((num_failed_hash_compare > 0?1:0))
76	78