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fix(docs): update Xcode Version Selection example #2451

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fix(docs): update Xcode Version Selection example #2451

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2 changes: 1 addition & 1 deletion doc/common_info.md
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Original file line number Diff line number Diff line change
Expand Up @@ -506,7 +506,7 @@ bazelrc_lines=()

if [[ $OSTYPE == darwin* ]]; then
xcode_path=$(xcode-select -p)
xcode_version=$(xcodebuild -version | tail -1 | cut -d " " -f3)
xcode_version=$(/usr/bin/xcodebuild -version 2>/dev/null | head -1 | cut -d " " -f2)
xcode_build_number=$(/usr/bin/xcodebuild -version 2>/dev/null | tail -1 | cut -d " " -f3)
Comment on lines -509 to 510
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Actually looks like xcode_build_number is unused in this snippet and from what I can tell we likely want to update it such that:

  • remove usage of xcode_version (e.g. 15.1)
  • set XCODE_VERSION equal to xcode_build_number (e.g. 15C65)

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@BalestraPatrick

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Ah good catch regarding the lack of use 👍

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Sorry for the delay, but I looked at this now and noticed the following:

  • xcode_version with the above change will be equal to 15.1. This isn't great because if you're using a beta version of Xcode (and possibly have multiple versions installed) it won't be deterministic. For someone it could pick beta 1 and for someone else it could pick beta 2.
  • xcode_build_number instead gives the unique build number for an Xcode version (which changes between betas of the same version as well), such as 15C65.

I think in this script we likely want to replace the usage of $xcode_version with $xcode_build_number instead (and of course remove xcode_version=(...) since it'll then be unused). I see that rules_xcodeproj (cc: @brentleyjones) also does something similar (where XCODE_PRODUCT_BUILD_VERSION looks like 15C65): https://github.com/MobileNativeFoundation/rules_xcodeproj/blob/9a6ec001d7ac96bb8474d95b0ecab909db9dab06/xcodeproj/internal/templates/bazel_build.sh#L86-L95


bazelrc_lines+=("startup --host_jvm_args=-Xdock:name=$xcode_path")
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