004baba2d
Denis Vlasenko
2007-05-20
Subject
hush: fix shift + $0 bug; add testcase
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shell/hush.c +1 -1shell/hush_test/hush-misc/shift.right +2 -0shell/hush_test/hush-misc/shift.tests +6 -0
shell/hush.c+1 -1
| @@ -952,7 +952,7 @@ static int builtin_shift(char **argv) | |
| n = atoi(argv[1]); | |
| } | |
| if (n >= 0 && n < global_argc) { | |
| - | /* XXX This probably breaks $0 */ |
| + | global_argv[n] = global_argv[0]; |
| global_argc -= n; | |
| global_argv += n; | |
| return EXIT_SUCCESS; | |
shell/hush_test/hush-misc/shift.right+2 -0
| @@ -0,0 +1,2 @@ | |
| + | ./shift.tests abc d e |
| + | ./shift.tests d e |
shell/hush_test/hush-misc/shift.tests+6 -0
| @@ -0,0 +1,6 @@ | |
| + | if test $# = 0; then |
| + | exec "$THIS_SH" $0 abc "d e" |
| + | fi |
| + | echo $0 $1 $2 |
| + | shift |
| + | echo $0 $1 $2 |