microsoft/openvmm
Publicmirrored fromhttps://github.com/microsoft/openvmmAvailable
flowey/flowey_lib_common/src/_util/extract.rs
206lines · modecode
| 1 | // Copyright (c) Microsoft Corporation. |
| 2 | // Licensed under the MIT License. |
| 3 | |
| 4 | use flowey::node::prelude::*; |
| 5 | |
| 6 | const FLOWEY_INFO_DIR: &str = ".flowey_info"; |
| 7 | const FLOWEY_EXTRACT_DIR: &str = "extracted"; |
| 8 | |
| 9 | #[derive(Clone)] |
| 10 | #[non_exhaustive] |
| 11 | pub struct ExtractZipDeps<C = VarNotClaimed> { |
| 12 | persistent_dir: Option<ReadVar<PathBuf, C>>, |
| 13 | bsdtar_installed: ReadVar<SideEffect, C>, |
| 14 | } |
| 15 | |
| 16 | impl ClaimVar for ExtractZipDeps { |
| 17 | type Claimed = ExtractZipDeps<VarClaimed>; |
| 18 | |
| 19 | fn claim(self, ctx: &mut StepCtx<'_>) -> Self::Claimed { |
| 20 | let Self { |
| 21 | persistent_dir, |
| 22 | bsdtar_installed, |
| 23 | } = self; |
| 24 | ExtractZipDeps { |
| 25 | persistent_dir: persistent_dir.claim(ctx), |
| 26 | bsdtar_installed: bsdtar_installed.claim(ctx), |
| 27 | } |
| 28 | } |
| 29 | } |
| 30 | |
| 31 | #[track_caller] |
| 32 | pub fn extract_zip_if_new_deps(ctx: &mut NodeCtx<'_>) -> ExtractZipDeps { |
| 33 | let platform = ctx.platform(); |
| 34 | ExtractZipDeps { |
| 35 | persistent_dir: ctx.persistent_dir(), |
| 36 | bsdtar_installed: ctx.reqv(|v| crate::install_dist_pkg::Request::Install { |
| 37 | package_names: match platform { |
| 38 | FlowPlatform::Linux(linux_distribution) => match linux_distribution { |
| 39 | FlowPlatformLinuxDistro::Fedora => vec!["bsdtar".into()], |
| 40 | FlowPlatformLinuxDistro::Ubuntu => vec!["libarchive-tools".into()], |
| 41 | FlowPlatformLinuxDistro::Unknown => vec![], |
| 42 | }, |
| 43 | _ => { |
| 44 | vec![] |
| 45 | } |
| 46 | }, |
| 47 | done: v, |
| 48 | }), |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | /// Extracts the given `file` into `persistent_dir` (or into |
| 53 | /// [`std::env::current_dir()`], if no persistent dir is available). |
| 54 | /// |
| 55 | /// To avoid redundant unzips between pipeline runs, callers must provide a |
| 56 | /// `file_version` string that identifies the current file. If the |
| 57 | /// previous run already unzipped a zip with the given `file_version`, this |
| 58 | /// function will return nearly instantaneously. |
| 59 | pub fn extract_zip_if_new( |
| 60 | rt: &mut RustRuntimeServices<'_>, |
| 61 | deps: ExtractZipDeps<VarClaimed>, |
| 62 | file: &Path, |
| 63 | file_version: &str, |
| 64 | ) -> anyhow::Result<PathBuf> { |
| 65 | let ExtractZipDeps { |
| 66 | persistent_dir, |
| 67 | bsdtar_installed: _, |
| 68 | } = deps; |
| 69 | |
| 70 | let sh = xshell::Shell::new()?; |
| 71 | |
| 72 | let root_dir = match persistent_dir { |
| 73 | Some(dir) => rt.read(dir), |
| 74 | None => sh.current_dir(), |
| 75 | }; |
| 76 | |
| 77 | let filename = file.file_name().expect("zip file was not a file"); |
| 78 | let extract_dir = root_dir.join(FLOWEY_EXTRACT_DIR).join(filename); |
| 79 | fs_err::create_dir_all(&extract_dir)?; |
| 80 | |
| 81 | let pkg_info_dir = root_dir.join(FLOWEY_INFO_DIR); |
| 82 | fs_err::create_dir_all(&pkg_info_dir)?; |
| 83 | let pkg_info_file = pkg_info_dir.join(filename); |
| 84 | |
| 85 | let mut already_extracted = false; |
| 86 | if let Ok(info) = fs_err::read_to_string(&pkg_info_file) { |
| 87 | if info == file_version { |
| 88 | already_extracted = true; |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | if !already_extracted { |
| 93 | // clear out any old version that was present |
| 94 | // |
| 95 | // FUTURE: maybe reconsider this approach, and keep |
| 96 | // old versions lying around, to make branch |
| 97 | // switching easier? |
| 98 | fs_err::remove_dir_all(&extract_dir)?; |
| 99 | fs_err::create_dir(&extract_dir)?; |
| 100 | |
| 101 | sh.change_dir(&extract_dir); |
| 102 | |
| 103 | let bsdtar = crate::_util::bsdtar_name(rt); |
| 104 | xshell::cmd!(sh, "{bsdtar} -xf {file}").run()?; |
| 105 | fs_err::write(pkg_info_file, file_version)?; |
| 106 | } else { |
| 107 | log::info!("already extracted!"); |
| 108 | } |
| 109 | |
| 110 | Ok(extract_dir) |
| 111 | } |
| 112 | |
| 113 | #[derive(Clone)] |
| 114 | #[non_exhaustive] |
| 115 | pub struct ExtractTarBz2Deps<C = VarNotClaimed> { |
| 116 | persistent_dir: Option<ReadVar<PathBuf, C>>, |
| 117 | lbzip2_installed: ReadVar<SideEffect, C>, |
| 118 | } |
| 119 | |
| 120 | impl ClaimVar for ExtractTarBz2Deps { |
| 121 | type Claimed = ExtractTarBz2Deps<VarClaimed>; |
| 122 | |
| 123 | fn claim(self, ctx: &mut StepCtx<'_>) -> Self::Claimed { |
| 124 | let Self { |
| 125 | persistent_dir, |
| 126 | lbzip2_installed, |
| 127 | } = self; |
| 128 | ExtractTarBz2Deps { |
| 129 | persistent_dir: persistent_dir.claim(ctx), |
| 130 | lbzip2_installed: lbzip2_installed.claim(ctx), |
| 131 | } |
| 132 | } |
| 133 | } |
| 134 | |
| 135 | #[track_caller] |
| 136 | pub fn extract_tar_bz2_if_new_deps(ctx: &mut NodeCtx<'_>) -> ExtractTarBz2Deps { |
| 137 | ExtractTarBz2Deps { |
| 138 | persistent_dir: ctx.persistent_dir(), |
| 139 | lbzip2_installed: ctx.reqv(|v| crate::install_dist_pkg::Request::Install { |
| 140 | package_names: vec!["lbzip2".into()], |
| 141 | done: v, |
| 142 | }), |
| 143 | } |
| 144 | } |
| 145 | |
| 146 | /// Extracts the given `file` into `persistent_dir` (or into |
| 147 | /// [`std::env::current_dir()`], if no persistent dir is available). |
| 148 | /// |
| 149 | /// To avoid redundant unzips between pipeline runs, callers must provide a |
| 150 | /// `file_version` string that identifies the current file. If the previous run |
| 151 | /// already unzipped a zip with the given `file_version`, this function will |
| 152 | /// return nearly instantaneously. |
| 153 | pub fn extract_tar_bz2_if_new( |
| 154 | rt: &mut RustRuntimeServices<'_>, |
| 155 | deps: ExtractTarBz2Deps<VarClaimed>, |
| 156 | file: &Path, |
| 157 | file_version: &str, |
| 158 | ) -> anyhow::Result<PathBuf> { |
| 159 | let ExtractTarBz2Deps { |
| 160 | persistent_dir, |
| 161 | lbzip2_installed: _, |
| 162 | } = deps; |
| 163 | |
| 164 | let sh = xshell::Shell::new()?; |
| 165 | |
| 166 | let root_dir = match persistent_dir { |
| 167 | Some(dir) => rt.read(dir), |
| 168 | None => sh.current_dir(), |
| 169 | }; |
| 170 | |
| 171 | let filename = file.file_name().expect("tar.bz2 file was not a file"); |
| 172 | let extract_dir = root_dir.join(FLOWEY_EXTRACT_DIR).join(filename); |
| 173 | fs_err::create_dir_all(&extract_dir)?; |
| 174 | |
| 175 | let pkg_info_dir = root_dir.join(FLOWEY_INFO_DIR); |
| 176 | fs_err::create_dir_all(&pkg_info_dir)?; |
| 177 | let pkg_info_file = pkg_info_dir.join(filename); |
| 178 | |
| 179 | let mut already_extracted = false; |
| 180 | if let Ok(info) = fs_err::read_to_string(&pkg_info_file) { |
| 181 | if info == file_version { |
| 182 | already_extracted = true; |
| 183 | } |
| 184 | } |
| 185 | |
| 186 | if !already_extracted { |
| 187 | sh.change_dir(&extract_dir); |
| 188 | |
| 189 | // clear out any old version that was present |
| 190 | // |
| 191 | // FUTURE: maybe reconsider this approach, and keep |
| 192 | // old versions lying around, to make branch |
| 193 | // switching easier? |
| 194 | fs_err::remove_dir_all(&extract_dir)?; |
| 195 | fs_err::create_dir(&extract_dir)?; |
| 196 | |
| 197 | // windows builds past Windows 10 build 17063 come with tar installed |
| 198 | xshell::cmd!(sh, "tar -xf {file}").run()?; |
| 199 | |
| 200 | fs_err::write(pkg_info_file, file_version)?; |
| 201 | } else { |
| 202 | log::info!("already extracted!"); |
| 203 | } |
| 204 | |
| 205 | Ok(extract_dir) |
| 206 | } |
| 207 | |