[circle-mlir/infra] Discard output from the cd command#16430
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Pull request overview
This PR fixes a subtle portability bug in the prepare-venv script where the cd command, when the CDPATH environment variable is set, prints the destination directory to stdout. This spurious output gets captured in the command substitution $(...) alongside pwd, corrupting the value of DRIVER_PATH. The fix redirects cd's stdout to /dev/null.
Changes:
- Redirect stdout of
cdto/dev/nullin the path-resolution one-liner to preventCDPATH-triggered output from pollutingDRIVER_PATH.
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This commit fixes the issue when `cd` is followed by the `pwd` in a bash one-liner for getting the location of the script. The `cd` command can print the destination directory in case when one has the CDPATH environmental variable set which breaks the one-liner functionality. ONE-DCO-1.0-Signed-off-by: Arkadiusz Bokowy <a.bokowy@samsung.com>
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This commit fixes the issue when
cdis followed by thepwdin a bash one-liner for getting the location of the script. Thecdcommand can print the destination directory in case when one has theCDPATHenvironmental variable set which breaks the one-liner functionality.