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qemu-iotests: convert pwd and $(pwd) to $PWD

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POSIX requires $PWD to be reliable, and we expect all
shells used by qemu scripts to be relatively close to
POSIX.  Thus, it is smarter to avoid forking the pwd
executable for something that is already available in
the environment.

So replace it with the following:

sed -i 's/\(`pwd`\|\$(pwd)\)/$PWD/g' $(git grep -l pwd)

Then delete a pointless line assigning PWD to itself.

Cc: kwolf@redhat.com
Cc: mreitz@redhat.com
Cc: eblake@redhat.com
Suggested-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Mao Zhongyi <maozhongyi@cmss.chinamobile.com>
Message-Id: <20181024094051.4470-2-maozhongyi@cmss.chinamobile.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[eblake: touch up commit message, reorder series, tweak a couple more files]
Signed-off-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Mao Zhongyi 2018-11-16 14:33:03 -06:00 • committed by Eric Blake
parent bf22957309
commit e8d81a61e1
6 changed files with 7 additions and 9 deletions
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2
scripts/coccinelle/tcg_gen_extract.cocci
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@ -17,7 +17,7 @@
// --keep-comments --in-place \
// --use-gitgrep --dir target
//
// $ docker run --rm -v `pwd`:`pwd` -w `pwd` philmd/coccinelle \
// $ docker run --rm -v $PWD:$PWD -w $PWD philmd/coccinelle \
// --macro-file scripts/cocci-macro-file.h \
// --sp-file scripts/coccinelle/tcg_gen_extract.cocci \
// --keep-comments --in-place \