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51 lines
1.3 KiB
Bash
Executable File
51 lines
1.3 KiB
Bash
Executable File
#!/bin/sh
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# Exercise zdiff with two compressed inputs.
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# Before gzip-1.4, this would fail.
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# Copyright (C) 2009-2026 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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# limit so don't run it by default.
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. "${srcdir=.}/init.sh"; path_prepend_ ..
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echo a > a || framework_failure_
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echo b > b || framework_failure_
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cat <<EOF > exp
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1c1
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< a
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---
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> b
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EOF
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diff a b | diff exp - || skip_ "diff output format is incompatible with POSIX"
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fail=0
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gzip a b || fail=1
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returns_ 1 zdiff a.gz b.gz > out 2> err || fail=1
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compare exp out || fail=1
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grep -v '^+' err && fail=1
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rm -f out
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# expect success, for equal files
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zdiff a.gz a.gz > out 2> err || fail=1
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# expect no output
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test -s out && fail=1
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# expect no stderr
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test -s err && fail=1
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Exit $fail
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