diff options
| -rw-r--r-- | llvm_tools/patch_sync/.gitignore | 1 | ||||
| -rw-r--r-- | llvm_tools/patch_sync/Cargo.lock | 453 | ||||
| -rw-r--r-- | llvm_tools/patch_sync/Cargo.toml | 20 | ||||
| -rw-r--r-- | llvm_tools/patch_sync/src/main.rs | 106 | ||||
| -rw-r--r-- | llvm_tools/patch_sync/src/version_control.rs | 238 |
5 files changed, 818 insertions, 0 deletions
diff --git a/llvm_tools/patch_sync/.gitignore b/llvm_tools/patch_sync/.gitignore new file mode 100644 index 00000000..2f7896d1 --- /dev/null +++ b/llvm_tools/patch_sync/.gitignore @@ -0,0 +1 @@ +target/ diff --git a/llvm_tools/patch_sync/Cargo.lock b/llvm_tools/patch_sync/Cargo.lock new file mode 100644 index 00000000..63a9fcf8 --- /dev/null +++ b/llvm_tools/patch_sync/Cargo.lock @@ -0,0 +1,453 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +version = 3 + +[[package]] +name = "aho-corasick" +version = "0.7.18" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1e37cfd5e7657ada45f742d6e99ca5788580b5c529dc78faf11ece6dc702656f" +dependencies = [ + "memchr", +] + +[[package]] +name = "ansi_term" +version = "0.12.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d52a9bb7ec0cf484c551830a7ce27bd20d67eac647e1befb56b0be4ee39a55d2" +dependencies = [ + "winapi", +] + +[[package]] +name = "anyhow" +version = "1.0.51" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8b26702f315f53b6071259e15dd9d64528213b44d61de1ec926eca7715d62203" + +[[package]] +name = "atty" +version = "0.2.14" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8" +dependencies = [ + "hermit-abi", + "libc", + "winapi", +] + +[[package]] +name = "bitflags" +version = "1.3.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a" + +[[package]] +name = "block-buffer" +version = "0.9.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "4152116fd6e9dadb291ae18fc1ec3575ed6d84c29642d97890f4b4a3417297e4" +dependencies = [ + "generic-array", +] + +[[package]] +name = "cfg-if" +version = "1.0.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd" + +[[package]] +name = "clap" +version = "2.34.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a0610544180c38b88101fecf2dd634b174a62eef6946f84dfc6a7127512b381c" +dependencies = [ + "ansi_term", + "atty", + "bitflags", + "strsim", + "textwrap", + "unicode-width", + "vec_map", +] + +[[package]] +name = "cpufeatures" +version = "0.2.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "95059428f66df56b63431fdb4e1947ed2190586af5c5a8a8b71122bdf5a7f469" +dependencies = [ + "libc", +] + +[[package]] +name = "digest" +version = "0.9.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d3dd60d1080a57a05ab032377049e0591415d2b31afd7028356dbf3cc6dcb066" +dependencies = [ + "generic-array", +] + +[[package]] +name = "generic-array" +version = "0.14.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "501466ecc8a30d1d3b7fc9229b122b2ce8ed6e9d9223f1138d4babb253e51817" +dependencies = [ + "typenum", + "version_check", +] + +[[package]] +name = "getrandom" +version = "0.2.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "7fcd999463524c52659517fe2cea98493cfe485d10565e7b0fb07dbba7ad2753" +dependencies = [ + "cfg-if", + "libc", + "wasi", +] + +[[package]] +name = "heck" +version = "0.3.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "6d621efb26863f0e9924c6ac577e8275e5e6b77455db64ffa6c65c904e9e132c" +dependencies = [ + "unicode-segmentation", +] + +[[package]] +name = "hermit-abi" +version = "0.1.19" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33" +dependencies = [ + "libc", +] + +[[package]] +name = "itoa" +version = "1.0.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1aab8fc367588b89dcee83ab0fd66b72b50b72fa1904d7095045ace2b0c81c35" + +[[package]] +name = "lazy_static" +version = "1.4.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646" + +[[package]] +name = "libc" +version = "0.2.112" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1b03d17f364a3a042d5e5d46b053bbbf82c92c9430c592dd4c064dc6ee997125" + +[[package]] +name = "memchr" +version = "2.4.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "308cc39be01b73d0d18f82a0e7b2a3df85245f84af96fdddc5d202d27e47b86a" + +[[package]] +name = "opaque-debug" +version = "0.3.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5" + +[[package]] +name = "patch_sync" +version = "0.1.0" +dependencies = [ + "anyhow", + "rand", + "regex", + "serde", + "serde_json", + "sha2", + "structopt", + "time", +] + +[[package]] +name = "ppv-lite86" +version = "0.2.15" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ed0cfbc8191465bed66e1718596ee0b0b35d5ee1f41c5df2189d0fe8bde535ba" + +[[package]] +name = "proc-macro-error" +version = "1.0.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c" +dependencies = [ + "proc-macro-error-attr", + "proc-macro2", + "quote", + "syn", + "version_check", +] + +[[package]] +name = "proc-macro-error-attr" +version = "1.0.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869" +dependencies = [ + "proc-macro2", + "quote", + "version_check", +] + +[[package]] +name = "proc-macro2" +version = "1.0.34" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "2f84e92c0f7c9d58328b85a78557813e4bd845130db68d7184635344399423b1" +dependencies = [ + "unicode-xid", +] + +[[package]] +name = "quote" +version = "1.0.10" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "38bc8cc6a5f2e3655e0899c1b848643b2562f853f114bfec7be120678e3ace05" +dependencies = [ + "proc-macro2", +] + +[[package]] +name = "rand" +version = "0.8.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "2e7573632e6454cf6b99d7aac4ccca54be06da05aca2ef7423d22d27d4d4bcd8" +dependencies = [ + "libc", + "rand_chacha", + "rand_core", + "rand_hc", +] + +[[package]] +name = "rand_chacha" +version = "0.3.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88" +dependencies = [ + "ppv-lite86", + "rand_core", +] + +[[package]] +name = "rand_core" +version = "0.6.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7" +dependencies = [ + "getrandom", +] + +[[package]] +name = "rand_hc" +version = "0.3.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d51e9f596de227fda2ea6c84607f5558e196eeaf43c986b724ba4fb8fdf497e7" +dependencies = [ + "rand_core", +] + +[[package]] +name = "regex" +version = "1.5.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d07a8629359eb56f1e2fb1652bb04212c072a87ba68546a04065d525673ac461" +dependencies = [ + "aho-corasick", + "memchr", + "regex-syntax", +] + +[[package]] +name = "regex-syntax" +version = "0.6.25" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b" + +[[package]] +name = "ryu" +version = "1.0.9" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "73b4b750c782965c211b42f022f59af1fbceabdd026623714f104152f1ec149f" + +[[package]] +name = "serde" +version = "1.0.132" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8b9875c23cf305cd1fd7eb77234cbb705f21ea6a72c637a5c6db5fe4b8e7f008" +dependencies = [ + "serde_derive", +] + +[[package]] +name = "serde_derive" +version = "1.0.132" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ecc0db5cb2556c0e558887d9bbdcf6ac4471e83ff66cf696e5419024d1606276" +dependencies = [ + "proc-macro2", + "quote", + "syn", +] + +[[package]] +name = "serde_json" +version = "1.0.73" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "bcbd0344bc6533bc7ec56df11d42fb70f1b912351c0825ccb7211b59d8af7cf5" +dependencies = [ + "itoa", + "ryu", + "serde", +] + +[[package]] +name = "sha2" +version = "0.9.8" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b69f9a4c9740d74c5baa3fd2e547f9525fa8088a8a958e0ca2409a514e33f5fa" +dependencies = [ + "block-buffer", + "cfg-if", + "cpufeatures", + "digest", + "opaque-debug", +] + +[[package]] +name = "strsim" +version = "0.8.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a" + +[[package]] +name = "structopt" +version = "0.3.25" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "40b9788f4202aa75c240ecc9c15c65185e6a39ccdeb0fd5d008b98825464c87c" +dependencies = [ + "clap", + "lazy_static", + "structopt-derive", +] + +[[package]] +name = "structopt-derive" +version = "0.4.18" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "dcb5ae327f9cc13b68763b5749770cb9e048a99bd9dfdfa58d0cf05d5f64afe0" +dependencies = [ + "heck", + "proc-macro-error", + "proc-macro2", + "quote", + "syn", +] + +[[package]] +name = "syn" +version = "1.0.83" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "23a1dfb999630e338648c83e91c59a4e9fb7620f520c3194b6b89e276f2f1959" +dependencies = [ + "proc-macro2", + "quote", + "unicode-xid", +] + +[[package]] +name = "textwrap" +version = "0.11.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060" +dependencies = [ + "unicode-width", +] + +[[package]] +name = "time" +version = "0.3.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "41effe7cfa8af36f439fac33861b66b049edc6f9a32331e2312660529c1c24ad" +dependencies = [ + "libc", +] + +[[package]] +name = "typenum" +version = "1.14.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "b63708a265f51345575b27fe43f9500ad611579e764c79edbc2037b1121959ec" + +[[package]] +name = "unicode-segmentation" +version = "1.8.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8895849a949e7845e06bd6dc1aa51731a103c42707010a5b591c0038fb73385b" + +[[package]] +name = "unicode-width" +version = "0.1.9" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "3ed742d4ea2bd1176e236172c8429aaf54486e7ac098db29ffe6529e0ce50973" + +[[package]] +name = "unicode-xid" +version = "0.2.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3" + +[[package]] +name = "vec_map" +version = "0.8.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191" + +[[package]] +name = "version_check" +version = "0.9.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5fecdca9a5291cc2b8dcf7dc02453fee791a280f3743cb0905f8822ae463b3fe" + +[[package]] +name = "wasi" +version = "0.10.2+wasi-snapshot-preview1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6" + +[[package]] +name = "winapi" +version = "0.3.9" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419" +dependencies = [ + "winapi-i686-pc-windows-gnu", + "winapi-x86_64-pc-windows-gnu", +] + +[[package]] +name = "winapi-i686-pc-windows-gnu" +version = "0.4.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6" + +[[package]] +name = "winapi-x86_64-pc-windows-gnu" +version = "0.4.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f" diff --git a/llvm_tools/patch_sync/Cargo.toml b/llvm_tools/patch_sync/Cargo.toml new file mode 100644 index 00000000..43082627 --- /dev/null +++ b/llvm_tools/patch_sync/Cargo.toml @@ -0,0 +1,20 @@ +[package] +name = "patch_sync" +version = "0.1.0" +authors = ["Jordan R Abrahams-Whitehead <ajordanr@google.com>"] +edition = "2018" + +[profile.release] +panic = "abort" + +[dependencies] +anyhow = "1.0" +regex = "1.5" +serde = {version = "1.0", features = ["derive"]} +serde_json = "1.0" +sha2 = "0.9" +structopt = "0.3" +time = "0.3" + +[dev-dependencies] +rand = "0.8" diff --git a/llvm_tools/patch_sync/src/main.rs b/llvm_tools/patch_sync/src/main.rs new file mode 100644 index 00000000..8eedaaa8 --- /dev/null +++ b/llvm_tools/patch_sync/src/main.rs @@ -0,0 +1,106 @@ +mod version_control; + +use anyhow::{Context, Result}; +use std::path::PathBuf; +use structopt::StructOpt; + +fn main() -> Result<()> { + match Opt::from_args() { + Opt::Show { .. } => todo!("Opt show is not implemented yet"), + Opt::Transpose { + cros_checkout_path, + old_cros_ref, + android_checkout_path, + old_android_ref, + verbose, + dry_run, + no_commit, + } => transpose_subcmd(TransposeOpt { + cros_checkout_path, + old_cros_ref, + android_checkout_path, + old_android_ref, + verbose, + dry_run, + no_commit, + }), + } +} + +#[allow(dead_code)] +struct TransposeOpt { + cros_checkout_path: PathBuf, + old_cros_ref: String, + android_checkout_path: PathBuf, + old_android_ref: String, + verbose: bool, + dry_run: bool, + no_commit: bool, +} + +fn transpose_subcmd(args: TransposeOpt) -> Result<()> { + let ctx = version_control::RepoSetupContext { + cros_checkout: args.cros_checkout_path, + android_checkout: args.android_checkout_path, + sync_before: false, + }; + ctx.setup()?; + let _cros_patches_path = ctx.cros_patches_path(); + let _android_patches_path = ctx.android_patches_path(); + + if !args.no_commit { + return Ok(()); + } + // Commit and upload for review. + ctx.cros_repo_upload() + .context("uploading chromiumos changes")?; + ctx.android_repo_upload() + .context("uploading android changes")?; + Ok(()) +} + +#[derive(Debug, structopt::StructOpt)] +#[structopt(name = "patch_sync", about = "A pipeline for syncing the patch code")] +enum Opt { + /// Show a combined view of the PATCHES.json file, without making any changes. + #[allow(dead_code)] + Show { + #[structopt(parse(from_os_str))] + cros_checkout_path: PathBuf, + #[structopt(parse(from_os_str))] + android_checkout_path: PathBuf, + }, + /// Transpose patches from two PATCHES.json files + /// to each other. + Transpose { + #[structopt(long = "cros-checkout", parse(from_os_str))] + /// Path to the ChromiumOS source repo checkout. + cros_checkout_path: PathBuf, + + #[structopt(long = "overlay-base-ref")] + /// Git ref (e.g. hash) for the ChromiumOS overlay to use as the base. + old_cros_ref: String, + + #[structopt(long = "aosp-checkout", parse(from_os_str))] + /// Path to the Android Open Source Project source repo checkout. + android_checkout_path: PathBuf, + + #[structopt(long = "aosp-base-ref")] + /// Git ref (e.g. hash) for the llvm_android repo to use as the base. + old_android_ref: String, + + #[structopt(short, long)] + /// Print information to stdout + verbose: bool, + + #[structopt(long)] + /// Do not change any files. Useful in combination with `--verbose` + /// Implies `--no-commit` and `--no-upload`. + dry_run: bool, + + #[structopt(long)] + /// Do not commit any changes made. + /// Implies `--no-upload`. + no_commit: bool, + }, +} diff --git a/llvm_tools/patch_sync/src/version_control.rs b/llvm_tools/patch_sync/src/version_control.rs new file mode 100644 index 00000000..3dc5aae9 --- /dev/null +++ b/llvm_tools/patch_sync/src/version_control.rs @@ -0,0 +1,238 @@ +use anyhow::{anyhow, bail, ensure, Context, Result}; +use regex::Regex; +use std::ffi::OsStr; +use std::fs; +use std::path::{Path, PathBuf}; +use std::process::{Command, Output}; + +const CHROMIUMOS_OVERLAY_REL_PATH: &str = "src/third_party/chromiumos-overlay"; +const ANDROID_LLVM_REL_PATH: &str = "toolchain/llvm_android"; + +/// Context struct to keep track of both Chromium OS and Android checkouts. +#[derive(Debug)] +pub struct RepoSetupContext { + pub cros_checkout: PathBuf, + pub android_checkout: PathBuf, + /// Run `repo sync` before doing any comparisons. + pub sync_before: bool, +} + +impl RepoSetupContext { + pub fn setup(&self) -> Result<()> { + if self.sync_before { + repo_cd_cmd(&self.cros_checkout, &["sync", CHROMIUMOS_OVERLAY_REL_PATH])?; + repo_cd_cmd(&self.android_checkout, &["sync", ANDROID_LLVM_REL_PATH])?; + } + Ok(()) + } + + pub fn cros_repo_upload(&self) -> Result<()> { + let llvm_dir = self + .cros_checkout + .join(&CHROMIUMOS_OVERLAY_REL_PATH) + .join("sys-devel/llvm"); + ensure!( + llvm_dir.is_dir(), + "CrOS LLVM dir {} is not a directory", + llvm_dir.display() + ); + Self::rev_bump_llvm(&llvm_dir)?; + Self::repo_upload( + &self.cros_checkout, + CHROMIUMOS_OVERLAY_REL_PATH, + &Self::build_commit_msg("android", "chromiumos", "BUG=None\nTEST=CQ"), + ) + } + + pub fn android_repo_upload(&self) -> Result<()> { + Self::repo_upload( + &self.android_checkout, + ANDROID_LLVM_REL_PATH, + &Self::build_commit_msg("chromiumos", "android", "Test: N/A"), + ) + } + + fn repo_upload(path: &Path, git_wd: &str, commit_msg: &str) -> Result<()> { + // TODO(ajordanr): Need to clean up if there's any failures during upload. + let git_path = &path.join(&git_wd); + ensure!( + git_path.is_dir(), + "git_path {} is not a directory", + git_path.display() + ); + repo_cd_cmd(path, &["start", "patch_sync_branch", git_wd])?; + git_cd_cmd(git_path, &["add", "."])?; + git_cd_cmd(git_path, &["commit", "-m", commit_msg])?; + repo_cd_cmd(path, &["upload", "-y", "--verify", git_wd])?; + Ok(()) + } + + pub fn android_patches_path(&self) -> PathBuf { + self.android_checkout + .join(&ANDROID_LLVM_REL_PATH) + .join("patches/PATCHES.json") + } + + pub fn cros_patches_path(&self) -> PathBuf { + self.cros_checkout + .join(&CHROMIUMOS_OVERLAY_REL_PATH) + .join("sys-devel/llvm/files/PATCHES.json") + } + + /// Increment LLVM's revision number + fn rev_bump_llvm(llvm_dir: &Path) -> Result<PathBuf> { + let ebuild = find_ebuild(llvm_dir) + .with_context(|| format!("finding ebuild in {} to rev bump", llvm_dir.display()))?; + let ebuild_dir = ebuild.parent().unwrap(); + let suffix_matcher = Regex::new(r"-r([0-9]+)\.ebuild").unwrap(); + let ebuild_name = ebuild + .file_name() + .unwrap() + .to_str() + .ok_or_else(|| anyhow!("converting ebuild filename to utf-8"))?; + let new_path = if let Some(captures) = suffix_matcher.captures(ebuild_name) { + let full_suffix = captures.get(0).unwrap().as_str(); + let cur_version = captures.get(1).unwrap().as_str().parse::<u32>().unwrap(); + let new_filename = + ebuild_name.replace(full_suffix, &format!("-r{}.ebuild", cur_version + 1_u32)); + let new_path = ebuild_dir.join(new_filename); + fs::rename(&ebuild, &new_path)?; + new_path + } else { + // File did not end in a revision. We should append -r1 to the end. + let new_filename = ebuild.file_stem().unwrap().to_string_lossy() + "-r1.ebuild"; + let new_path = ebuild_dir.join(new_filename.as_ref()); + fs::rename(&ebuild, &new_path)?; + new_path + }; + Ok(new_path) + } + + /// Return the contents of the old PATCHES.json from Chromium OS + #[allow(dead_code)] + pub fn old_cros_patch_contents(&self, hash: &str) -> Result<String> { + Self::old_file_contents( + hash, + &self.cros_checkout.join(CHROMIUMOS_OVERLAY_REL_PATH), + Path::new("sys-devel/llvm/files/PATCHES.json"), + ) + } + + /// Return the contents of the old PATCHES.json from android + #[allow(dead_code)] + pub fn old_android_patch_contents(&self, hash: &str) -> Result<String> { + Self::old_file_contents( + hash, + &self.android_checkout.join(ANDROID_LLVM_REL_PATH), + Path::new("patches/PATCHES.json"), + ) + } + + /// Return the contents of an old file in git + #[allow(dead_code)] + fn old_file_contents(hash: &str, pwd: &Path, file: &Path) -> Result<String> { + let git_ref = format!( + "{}:{}", + hash, + file.to_str() + .ok_or_else(|| anyhow!("failed to convert filepath to str"))? + ); + let output = git_cd_cmd(pwd, &["show", &git_ref])?; + if !output.status.success() { + bail!("could not get old file contents for {}", &git_ref) + } + String::from_utf8(output.stdout) + .with_context(|| format!("converting {} file contents to UTF-8", &git_ref)) + } + + /// Create the commit message + fn build_commit_msg(from: &str, to: &str, footer: &str) -> String { + format!( + "[patch_sync] Synchronize patches from {}\n\n\ + Copies new PATCHES.json changes from {} to {}\n\n{}", + from, from, to, footer + ) + } +} + +/// Return the path of an ebuild located within the given directory. +fn find_ebuild(dir: &Path) -> Result<PathBuf> { + // TODO(ajordanr): Maybe use OnceCell for this regex? + let ebuild_matcher = Regex::new(r"(-r[0-9]+)?\.ebuild").unwrap(); + for entry in fs::read_dir(dir)? { + let path = entry?.path(); + if let Some(name) = path.file_name() { + if ebuild_matcher.is_match( + name.to_str() + .ok_or_else(|| anyhow!("converting filepath to UTF-8"))?, + ) { + return Ok(path); + } + } + } + bail!("could not find ebuild") +} + +/// Run a given git command from inside a specified git dir. +pub fn git_cd_cmd<I, S>(pwd: &Path, args: I) -> Result<Output> +where + I: IntoIterator<Item = S>, + S: AsRef<OsStr>, +{ + let output = Command::new("git").current_dir(&pwd).args(args).output()?; + if !output.status.success() { + bail!("git command failed") + } + Ok(output) +} + +pub fn repo_cd_cmd<I, S>(pwd: &Path, args: I) -> Result<()> +where + I: IntoIterator<Item = S>, + S: AsRef<OsStr>, +{ + let status = Command::new("repo").current_dir(&pwd).args(args).status()?; + if !status.success() { + bail!("repo command failed") + } + Ok(()) +} + +#[cfg(test)] +mod test { + use super::*; + use rand::prelude::Rng; + use std::env; + use std::fs::File; + + #[test] + fn test_revbump_ebuild() { + // Random number to append at the end of the test folder to prevent conflicts. + let rng: u32 = rand::thread_rng().gen(); + let llvm_dir = env::temp_dir().join(format!("patch_sync_test_{}", rng)); + fs::create_dir(&llvm_dir).expect("creating llvm dir in temp directory"); + + { + // With revision + let ebuild_name = "llvm-13.0_pre433403_p20211019-r10.ebuild"; + let ebuild_path = llvm_dir.join(ebuild_name); + File::create(&ebuild_path).expect("creating test ebuild file"); + let new_ebuild_path = + RepoSetupContext::rev_bump_llvm(&llvm_dir).expect("rev bumping the ebuild"); + assert!(new_ebuild_path.ends_with("llvm-13.0_pre433403_p20211019-r11.ebuild")); + fs::remove_file(new_ebuild_path).expect("removing renamed ebuild file"); + } + { + // Without revision + let ebuild_name = "llvm-13.0_pre433403_p20211019.ebuild"; + let ebuild_path = llvm_dir.join(ebuild_name); + File::create(&ebuild_path).expect("creating test ebuild file"); + let new_ebuild_path = + RepoSetupContext::rev_bump_llvm(&llvm_dir).expect("rev bumping the ebuild"); + assert!(new_ebuild_path.ends_with("llvm-13.0_pre433403_p20211019-r1.ebuild")); + fs::remove_file(new_ebuild_path).expect("removing renamed ebuild file"); + } + + fs::remove_dir(&llvm_dir).expect("removing temp test dir"); + } +} |