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pyenv-init | performance improvements (#3136)

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* perf: replace a series of if statements with a case block. Add error
handling for case where unknown option is provided.
Same setup as rbenv-init for reading arguments.

* perf, docs: Recommend users to specify the shell for `pyenv init -`
Speeds up the startup by about 40% (in local testing, from ~50ms to ~30ms).
Reflect this in `pyenv init` hint text.

* style: remove unnecessary `root` variable in pyenv-init
* style: remove unnecessary variable declarations at the top of file in pyenv-init.

* perf: replace `cat <<` calls with `echo`
The builtin `echo` is about 100x faster. In tests, saves about 2-3ms.

* docs: document the `pyenv init - <shell>` performance boost in the Advanced Configuration section.

* style: test_helper.bash: avoid unnecessary ".." in produced PATH

* docs: fix a false statement about completions location in the Advanced Configuration section.
This commit is contained in:
Christian Fredrik Johnsen
2024-12-22 13:23:51 +01:00
committed by GitHub
parent 38421ba6aa
commit c6973391f3
4 changed files with 69 additions and 83 deletions
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test/test_helper.bash
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@@ -21,7 +21,7 @@ if [ -z "$PYENV_TEST_DIR" ]; then
PATH=/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin
PATH="${PYENV_TEST_DIR}/bin:$PATH"
PATH="${BATS_TEST_DIRNAME}/../libexec:$PATH"
PATH="${BATS_TEST_DIRNAME%/*}/libexec:$PATH"
PATH="${BATS_TEST_DIRNAME}/libexec:$PATH"
PATH="${PYENV_ROOT}/shims:$PATH"
export PATH