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7511de8d8d
When you try to execute a file directly after you've written to it,
you might, on some systems, get a "text file busy" error.
So we unfortunately have to sleep to avoid it.
See #8021 for where this was added,
537b3f6cb1 for the same problem.
95 lines
1.8 KiB
Fish
95 lines
1.8 KiB
Fish
# RUN: %fish %s
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# Test for shebangless scripts - see 7802.
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set testdir (mktemp -d)
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cd $testdir
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touch file
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chmod a+x file
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function runfile
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# Run our file twice, printing status.
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# Arguments are passed to exercise the re-execve code paths; they have no other effect.
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true # clear status
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set -g fish_use_posix_spawn 1
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./file arg1 arg2 arg3
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echo $status
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true # clear status
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set -g fish_use_posix_spawn 0
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./file arg1 arg2 arg3 arg4 arg5
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echo $status
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end
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# Empty executable files are 'true'.
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true >file
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sleep 0.1
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runfile
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#CHECK: 0
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#CHECK: 0
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# Files without NUL are 'true' as well.
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echo -e -n '#COMMENT\n#COMMENT' >file
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runfile
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#CHECK: 0
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#CHECK: 0
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# Never implicitly pass files ending with .fish to /bin/sh.
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true >file.fish
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sleep 0.1
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chmod a+x file.fish
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set -g fish_use_posix_spawn 0
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./file.fish
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echo $status
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set -g fish_use_posix_spawn 1
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./file.fish
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echo $status
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rm file.fish
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#CHECK: 126
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#CHECKERR: Failed {{.*}}
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#CHECKERR: exec: {{.*}}
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#CHECKERR: {{.*}}
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#CHECK: 126
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#CHECKERR: Failed {{.*}}
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#CHECKERR: exec: {{.*}}
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#CHECKERR: {{.*}}
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# On to NUL bytes.
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# The heuristic is that there must be a line containing a lowercase letter before the first NUL byte.
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echo -n -e 'true\n\x00' >file
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sleep 0.1
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runfile
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#CHECK: 0
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#CHECK: 0
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# Doesn't meet our heuristic as there is no newline.
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echo -n -e 'true\x00' >file
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sleep 0.1
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runfile
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#CHECK: 126
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#CHECKERR: Failed {{.*}}
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#CHECKERR: exec: {{.*}}
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#CHECKERR: {{.*}}
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#CHECK: 126
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#CHECKERR: Failed {{.*}}
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#CHECKERR: exec: {{.*}}
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#CHECKERR: {{.*}}
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# Doesn't meet our heuristic as there is no lowercase before newline.
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echo -n -e 'NOPE\n\x00' >file
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sleep 0.1
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runfile
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#CHECK: 126
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#CHECKERR: Failed {{.*}}
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#CHECKERR: exec: {{.*}}
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#CHECKERR: {{.*}}
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#CHECK: 126
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#CHECKERR: Failed {{.*}}
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#CHECKERR: exec: {{.*}}
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#CHECKERR: {{.*}}
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