[Fix] gracefully handle GNU tar on MacOS during nvm install
#3178
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GNU tar doesn't support using the -J flag required to unpack xz-compressed tarballs when xv isn't installed. Check for this scenario and fallback to using gzip-compressed tarballs. Fixes nvm-sh#3034
ljharb
reviewed
Aug 27, 2023
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it'd be great to add this to the nvm_supports_xz unit tests - we'd have to mock out nvm_get_os to be darwin, and then put a tar on the path whose --version output matched gnu tar's, and make sure there's no xz on the path, and then we could assert it returns 1?
| @@ -4325,7 +4325,11 @@ nvm_supports_xz() { | |||
| if [ "_${NVM_OS}" = '_darwin' ]; then | |||
| local MACOS_VERSION | |||
| MACOS_VERSION="$(sw_vers -productVersion)" | |||
| if nvm_version_greater "10.9.0" "${MACOS_VERSION}"; then | |||
| if tar --version | command grep -q GNU && ! command which xz >/dev/null 2>&1; then | |||
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Suggested change
| if tar --version | command grep -q GNU && ! command which xz >/dev/null 2>&1; then | |
| if command tar --version | command grep -q GNU && ! command which xz >/dev/null 2>&1; then |
|
@tim-mit are you still interested in completing this PR? |
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GNU tar doesn't support using the -J flag required to unpack xz-compressed tarballs when xv isn't installed. Check for this scenario and fallback to using gzip-compressed tarballs.
Fixes #3034