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Diffstat (limited to 'llvm_tools/README.md')
| -rw-r--r-- | llvm_tools/README.md | 55 |
1 files changed, 25 insertions, 30 deletions
diff --git a/llvm_tools/README.md b/llvm_tools/README.md index 783ec22d..74fad6c9 100644 --- a/llvm_tools/README.md +++ b/llvm_tools/README.md @@ -119,6 +119,7 @@ For example, to create a roll CL to the git hash of revision 367622: $ ./update_chromeos_llvm_hash.py \ --update_packages sys-devel/llvm sys-libs/compiler-rt \ sys-libs/libcxx sys-libs/libcxxabi sys-libs/llvm-libunwind \ + 'dev-util/lldb-server' \ --llvm_version 367622 \ --failure_mode disable_patches ``` @@ -360,30 +361,6 @@ $ ./update_tryjob_status.py \ --custom_script /abs/path/to/script.py ``` -### `update_all_tryjobs_with_auto.py` - -#### Usage - -This script updates all tryjobs that are 'pending' to the result provided by -`cros buildresult`. - -For example: - -``` -$ ./update_all_tryjobs_with_auto.py \ - --last_tested /abs/path/to/last_tested_file.json \ - --chroot_path /abs/path/to/chroot -``` - -The above example will update all tryjobs whose 'status' is 'pending' in the -file provided by `--last_tested`. - -For help with the command line arguments of the script, run: - -``` -$ ./update_all_tryjobs_with_auto.py --help -``` - ### `modify_a_tryjob.py` #### Usage @@ -496,18 +473,20 @@ r387778 **Tip**: if you put a symlink called `git-llvm-rev` to this script somewhere on your `$PATH`, you can also use it as `git llvm-rev`. -### `cherrypick_cl.py` +### `get_upstream_patch.py` #### Usage -This script updates the proper ChromeOS packages with an LLVM cherrypick of your choosing, and -copies the cherrypick into patch folders of the packages. +This script updates the proper ChromeOS packages with LLVM patches of your choosing, and +copies the patches into patch folders of the packages. This tool supports both git hash +of commits as well as differential reviews. Usage: ``` -./cherrypick_cl.py --chroot_path /abs/path/to/chroot --start_sha llvm +./get_upstream_patch.py --chroot_path /abs/path/to/chroot --start_sha llvm --sha 174c3eb69f19ff2d6a3eeae31d04afe77e62c021 --sha 174c3eb69f19ff2d6a3eeae31d04afe77e62c021 +--differential D123456 ``` It tries to autodetect a lot of things (e.g., packages changed by each sha, @@ -517,6 +496,10 @@ more information, please see the `--help` ### `revert_checker.py` +**This script is copied from upstream LLVM. Please prefer to make upstream edits, +rather than modifying this script. It's kept in a CrOS repo so we don't need an +LLVM tree to `import` this from scripts here.** + This script reports reverts which happen 'across' a certain LLVM commit. To clarify the meaning of 'across' with an example, if we had the following @@ -542,11 +525,23 @@ parents of 123abc. This is an automated wrapper around `revert_checker.py`. It checks to see if any new reverts happened across toolchains that we're trying to ship since it was -last run. If so, it sends emails to appropriate groups. +last run. If so, it either automatically cherry-picks the reverts, or sends +emails to appropriate groups. -Usage example: +Usage example for cherry-picking: +``` +PYTHONPATH=../ ./nightly_revert_checker.py \ + cherry-pick + --state_file state.json \ + --llvm_dir llvm-project-copy \ + --chromeos_dir ../../../../ + --reviewers=chromium-os-mage@google.com +``` + +Usage example for email: ``` PYTHONPATH=../ ./nightly_revert_checker.py \ + email --state_file state.json \ --llvm_dir llvm-project-copy \ --chromeos_dir ../../../../ |