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scripts/gzip_tests.sh: address all shellcheck warnings

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This commit is contained in:
Eric Biggers 2020-10-18 14:21:25 -07:00
parent ea4d0c9919
commit 44980854d3
1 changed files with 25 additions and 21 deletions
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46
scripts/gzip_tests.sh
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@ -151,15 +151,19 @@ cmp file.gz 2.gz
cmp file orig cmp file orig
# Note: in some of the commands below, we intentionally use 'cat file | gzip'
# rather than 'gzip < file', in order to test the use of a pipe. This produces
# a shellcheck warning about 'cat' being unnecessary. Suppress that warning by
# using { cat file; true; }.
begin_test 'Reading from stdin works' begin_test 'Reading from stdin works'
gzip < file > 1.gz gzip < file > 1.gz
gzip - < file > 2.gz gzip - < file > 2.gz
cat file | gzip > 3.gz { cat file; true; } | gzip > 3.gz
cat file | gzip - > 4.gz { cat file; true; } | gzip - > 4.gz
cmp file <(gunzip < 1.gz) cmp file <(gunzip < 1.gz)
cmp file <(gunzip - < 2.gz) cmp file <(gunzip - < 2.gz)
cmp file <(cat 3.gz | gunzip) cmp file <({ cat 3.gz; true; } | gunzip)
cmp file <(cat 4.gz | gunzip -) cmp file <({ cat 4.gz; true; } | gunzip -)
begin_test '-n option is accepted' begin_test '-n option is accepted'
@ -291,23 +295,23 @@ assert_skipped gunzip -f foo.gz
begin_test '(gzip) overwriting symlink does not follow symlink' begin_test '(gzip) overwriting symlink does not follow symlink'
echo 1 > 1 echo a > a
echo 2 > 2 echo b > b
gzip 1 gzip a
ln -s 1.gz 2.gz ln -s a.gz b.gz
gzip -f 2 gzip -f b
gunzip 1.gz gunzip a.gz
cmp <(echo 1) 1 cmp <(echo a) a
begin_test '(gunzip) overwriting symlink does not follow symlink' begin_test '(gunzip) overwriting symlink does not follow symlink'
echo 1 > 1 echo a > a
echo 2 > 2 echo b > b
gzip 2 gzip b
ln -s 1 2 ln -s a b
gunzip -f 2.gz gunzip -f b.gz
cmp <(echo 1) 1 cmp <(echo a) a
cmp <(echo 2) 2 cmp <(echo b) b
begin_test '(gzip) hard linked file skipped without -f or -c' begin_test '(gzip) hard linked file skipped without -f or -c'
@ -438,10 +442,10 @@ cmp file orig
begin_test 'Decompressing multi-member gzip file (final member smaller)' begin_test 'Decompressing multi-member gzip file (final member smaller)'
echo 'hello world' > 2 echo 'hello world' > hello
cat file 2 > orig cat file hello > orig
gzip -c file > file.gz gzip -c file > file.gz
gzip -c 2 >> file.gz gzip -c hello >> file.gz
gunzip -f file.gz gunzip -f file.gz
cmp file orig cmp file orig