[New] Parallel script download jobs in install script #1479
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PeterDaveHello
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| } & | ||
| for job in $(jobs -p | sort) | ||
| do | ||
| wait "$job" || return $? |
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I've not had good luck with wait reliably waiting on all parallel commands :-/
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Really? How do you say that?
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I tried to use it to speed up the installation jobs, so travis wouldn't time out, and it never seemed to have the desired effect.
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Do you have any example? I can take a look at it, I would say that the various on Travis CI is too high, much more higher than the time we can save here, but for an end-user, it's pretty good.
install.sh
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| chmod a+x "$INSTALL_DIR/nvm-exec" || { | ||
| echo >&2 "Failed to mark '$INSTALL_DIR/nvm-exec' as executable" | ||
| return 3 | ||
| } | ||
| } & |
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changing privs on nvm-exec must not happen until nvm-exec is downloaded - so this can't be parallelized; in other words, the wait would need to happen before the chmod.
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Oops, my bad here.
PeterDaveHello
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|
Updated! |
| nvm_download -s "$NVM_EXEC_SOURCE" -o "$INSTALL_DIR/nvm-exec" || { | ||
| echo >&2 "Failed to download '$NVM_EXEC_SOURCE'" | ||
| return 2 | ||
| } | ||
| } & | ||
| for job in $(jobs -p | sort) |
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will this include only the two previous jobs? or could user jobs show up here too?
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@ljharb since install.sh won't be executed by source but a single bash process, so it'll only show the process we forked to background only, right?
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That sounds reasonable; that's what I'm asking :-)
ljharb
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ljharb
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installing nvm
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Faster is better 👍 |
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