diff options
Diffstat (limited to 'tests/init.sh')
| -rwxr-xr-x | tests/init.sh | 52 |
1 files changed, 13 insertions, 39 deletions
diff --git a/tests/init.sh b/tests/init.sh index 09b07394f..da743c2ab 100755 --- a/tests/init.sh +++ b/tests/init.sh @@ -295,50 +295,24 @@ compare_dev_null_ () return 2 } -if diff_out_=`exec 2>/dev/null; diff -u "$0" "$0" < /dev/null` \ - && diff -u Makefile "$0" 2>/dev/null | grep '^[+]#!' >/dev/null; then - # diff accepts the -u option and does not (like AIX 7 'diff') produce an - # extra space on column 1 of every content line. - if test -z "$diff_out_"; then - compare_ () { diff -u "$@"; } - else - compare_ () - { - if diff -u "$@" > diff.out; then - # No differences were found, but Solaris 'diff' produces output - # "No differences encountered". Hide this output. - rm -f diff.out - true - else - cat diff.out - rm -f diff.out - false - fi - } - fi -elif - for diff_opt_ in -U3 -c '' no; do - test "$diff_opt_" = no && break - diff_out_=`exec 2>/dev/null; diff $diff_opt_ "$0" "$0" </dev/null` && break - done - test "$diff_opt_" != no -then +for diff_opt_ in -u -U3 -c '' no; do + test "$diff_opt_" != no && + diff_out_=`exec 2>/dev/null; diff $diff_opt_ "$0" "$0" < /dev/null` && + break +done +if test "$diff_opt_" != no; then if test -z "$diff_out_"; then compare_ () { diff $diff_opt_ "$@"; } else compare_ () { - if diff $diff_opt_ "$@" > diff.out; then - # No differences were found, but AIX and HP-UX 'diff' produce output - # "No differences encountered" or "There are no differences between the - # files.". Hide this output. - rm -f diff.out - true - else - cat diff.out - rm -f diff.out - false - fi + # If no differences were found, AIX and HP-UX 'diff' produce output + # like "No differences encountered". Hide this output. + diff $diff_opt_ "$@" > diff.out + diff_status_=$? + test $diff_status_ -eq 0 || cat diff.out || diff_status_=2 + rm -f diff.out || diff_status_=2 + return $diff_status_ } fi elif cmp -s /dev/null /dev/null 2>/dev/null; then |