diff options
Diffstat (limited to 'tests/misc/env.sh')
| -rwxr-xr-x | tests/misc/env.sh | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/tests/misc/env.sh b/tests/misc/env.sh index 7c9e8fdc..d06a1fb0 100755 --- a/tests/misc/env.sh +++ b/tests/misc/env.sh @@ -1,7 +1,7 @@ #!/bin/sh # Verify behavior of env. -# Copyright (C) 2009-2013 Free Software Foundation, Inc. +# Copyright (C) 2009-2014 Free Software Foundation, Inc. # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -20,16 +20,24 @@ . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src print_ver_ env +# A simple shebang program to call "echo" from symlinks like "./-u" or "./--". +echo "#!$abs_top_builddir/src/echo simple_echo" > simple_echo \ + || framework_failure_ +chmod a+x simple_echo || framework_failure_ + +# Verify we can run the shebang which is not the case if +# there are spaces in $abs_top_builddir. +./simple_echo || skip_ "Error running simple_echo script" # Verify clearing the environment a=1 export a env - > out || fail=1 -test -s out && fail=1 +compare /dev/null out || fail=1 env -i > out || fail=1 -test -s out && fail=1 +compare /dev/null out || fail=1 env -u a -i -u a -- > out || fail=1 -test -s out && fail=1 +compare /dev/null out || fail=1 env -i -- a=b > out || fail=1 echo a=b > exp || framework_failure_ compare exp out || fail=1 @@ -62,7 +70,7 @@ fi ENV_TEST1=a export ENV_TEST1 -: >out || framework_failure_ +>out || framework_failure_ env ENV_TEST2= > all || fail=1 grep '^ENV_TEST' all | LC_ALL=C sort >> out || framework_failure_ env -u ENV_TEST1 ENV_TEST3=c > all || fail=1 @@ -105,9 +113,10 @@ export PATH # Use -- to end options (but not variable assignments). # On some systems, execve("-i") invokes a shebang script ./-i on PATH as # '/bin/sh -i', rather than '/bin/sh -- -i', which doesn't do what we want. -# Avoid the issue by using an executable rather than a script. +# Avoid the issue by using a shebang to 'echo' passing a second parameter +# before the '-i'. See the definition of simple_echo before. # Test -u, rather than -i, to minimize PATH problems. -ln -s "$abs_top_builddir/src/echo" ./-u || framework_failure_ +ln -s "simple_echo" ./-u || framework_failure_ case $(env -u echo echo good) in good) ;; *) fail=1 ;; @@ -117,16 +126,16 @@ case $(env -u echo -- echo good) in *) fail=1 ;; esac case $(env -- -u pass) in - pass) ;; + *pass) ;; *) fail=1 ;; esac # After options have ended, the first argument not containing = is a program. env a=b -- true test $? = 127 || fail=1 -ln -s "$abs_top_builddir/src/echo" ./-- || framework_failure_ +ln -s "simple_echo" ./-- || framework_failure_ case $(env a=b -- true || echo fail) in - true) ;; + *true) ;; *) fail=1 ;; esac |