support pipefail #16
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support pipefail #16
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This commit adds the option "CMD_LIB_PIPE_FAIL". If set to "1" this will cause both run_cmd!() and run_fun!() to return an error when at least one command fails. This actually implements a similar behavior as "-o pipefail" from bash. Example: - without pipefail (default behavior): run_cmd!(cat /non-existant | wc -l)?; // returns Ok(()) - with pipefail: proc_env_set!(CMD_LIB_PIPE_FAIL = 1); run_cmd!(cat /non-existant | wc -l)?; // Returns Err(_) Signed-off-by: Gregory Detal <gregory.detal@tessares.net>
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This commit adds the option
CMD_LIB_PIPE_FAIL. If set to1this will cause bothrun_cmd!()andrun_fun!()to return an error when at least one command fails. Thisactually implements a similar behavior as
-o pipefailfrom bash.Example: