diff options
| author | diogo464 <[email protected]> | 2022-09-23 13:45:57 +0100 |
|---|---|---|
| committer | diogo464 <[email protected]> | 2022-09-23 13:45:57 +0100 |
| commit | e5a38bab67f790803ff98484fc5835adba7bf62a (patch) | |
| tree | f93bc54b128db58c3e84c0db8908dda729222dc7 /src/utils.rs | |
| parent | e28be1bbe34e5430333d5bb95437e75bcfaf2edb (diff) | |
rewrite
Diffstat (limited to 'src/utils.rs')
| -rw-r--r-- | src/utils.rs | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/src/utils.rs b/src/utils.rs deleted file mode 100644 index 5abb491..0000000 --- a/src/utils.rs +++ /dev/null | |||
| @@ -1,178 +0,0 @@ | |||
| 1 | use std::{ | ||
| 2 | collections::VecDeque, | ||
| 3 | path::{Component, Path, PathBuf}, | ||
| 4 | }; | ||
| 5 | |||
| 6 | use crate::{ | ||
| 7 | dotup::{self, Dotup}, | ||
| 8 | Flags, | ||
| 9 | }; | ||
| 10 | |||
| 11 | pub const DEFAULT_DEPOT_FILE_NAME: &str = ".depot"; | ||
| 12 | |||
| 13 | /// Returns a list of canonical paths to all the files in `dir`. This includes files in | ||
| 14 | /// subdirectories. | ||
| 15 | /// Fails if dir isnt a directory or if there is some other io error. | ||
| 16 | pub fn collect_files_in_dir_recursive(dir: impl Into<PathBuf>) -> anyhow::Result<Vec<PathBuf>> { | ||
| 17 | let mut paths = Vec::new(); | ||
| 18 | let mut dirs = VecDeque::new(); | ||
| 19 | dirs.push_back(dir.into()); | ||
| 20 | |||
| 21 | while let Some(dir) = dirs.pop_front() { | ||
| 22 | for entry in std::fs::read_dir(dir)? { | ||
| 23 | let entry = entry?; | ||
| 24 | let filetype = entry.file_type()?; | ||
| 25 | if filetype.is_dir() { | ||
| 26 | dirs.push_back(entry.path()); | ||
| 27 | } else { | ||
| 28 | paths.push(entry.path()); | ||
| 29 | } | ||
| 30 | } | ||
| 31 | } | ||
| 32 | |||
| 33 | Ok(paths) | ||
| 34 | } | ||
| 35 | |||
| 36 | pub fn collect_paths_in_dir(dir: impl AsRef<Path>) -> anyhow::Result<Vec<PathBuf>> { | ||
| 37 | Ok(std::fs::read_dir(dir)? | ||
| 38 | .filter_map(|e| e.ok()) | ||
| 39 | .map(|e| e.path()) | ||
| 40 | .collect()) | ||
| 41 | } | ||
| 42 | |||
| 43 | pub fn read_dotup(flags: &Flags) -> anyhow::Result<Dotup> { | ||
| 44 | let depot_path = depot_path_from_flags(flags)?; | ||
| 45 | let install_base = install_base_from_flags(flags); | ||
| 46 | dotup::read(depot_path, install_base) | ||
| 47 | } | ||
| 48 | |||
| 49 | pub fn write_dotup(dotup: &Dotup) -> anyhow::Result<()> { | ||
| 50 | dotup::write(dotup) | ||
| 51 | } | ||
| 52 | |||
| 53 | pub fn depot_path_from_flags(flags: &Flags) -> anyhow::Result<PathBuf> { | ||
| 54 | match flags.depot { | ||
| 55 | Some(ref path) => Ok(path.clone()), | ||
| 56 | None => find_depot_path().ok_or_else(|| anyhow::anyhow!("Failed to find depot path")), | ||
| 57 | } | ||
| 58 | } | ||
| 59 | |||
| 60 | pub fn default_depot_path() -> PathBuf { | ||
| 61 | current_working_directory().join(DEFAULT_DEPOT_FILE_NAME) | ||
| 62 | } | ||
| 63 | |||
| 64 | pub fn find_depot_path() -> Option<PathBuf> { | ||
| 65 | let mut cwd = current_working_directory(); | ||
| 66 | loop { | ||
| 67 | let path = cwd.join(DEFAULT_DEPOT_FILE_NAME); | ||
| 68 | if path.exists() { | ||
| 69 | break Some(path); | ||
| 70 | } | ||
| 71 | if !cwd.pop() { | ||
| 72 | break None; | ||
| 73 | } | ||
| 74 | } | ||
| 75 | } | ||
| 76 | |||
| 77 | pub fn install_base_from_flags(flags: &Flags) -> PathBuf { | ||
| 78 | match flags.install_base { | ||
| 79 | Some(ref path) => path.clone(), | ||
| 80 | None => default_install_base(), | ||
| 81 | } | ||
| 82 | } | ||
| 83 | |||
| 84 | pub fn default_install_base() -> PathBuf { | ||
| 85 | PathBuf::from(std::env::var("HOME").expect("Failed to obtain HOME environment variable")) | ||
| 86 | } | ||
| 87 | pub fn weakly_canonical(path: impl AsRef<Path>) -> PathBuf { | ||
| 88 | let cwd = current_working_directory(); | ||
| 89 | weakly_canonical_cwd(path, cwd) | ||
| 90 | } | ||
| 91 | |||
| 92 | fn weakly_canonical_cwd(path: impl AsRef<Path>, cwd: PathBuf) -> PathBuf { | ||
| 93 | // Adapated from | ||
| 94 | // https://github.com/rust-lang/cargo/blob/fede83ccf973457de319ba6fa0e36ead454d2e20/src/cargo/util/paths.rs#L61 | ||
| 95 | let path = path.as_ref(); | ||
| 96 | |||
| 97 | let mut components = path.components().peekable(); | ||
| 98 | let mut canonical = cwd; | ||
| 99 | let prefix = if let Some(c @ Component::Prefix(..)) = components.peek().cloned() { | ||
| 100 | components.next(); | ||
| 101 | PathBuf::from(c.as_os_str()) | ||
| 102 | } else { | ||
| 103 | PathBuf::new() | ||
| 104 | }; | ||
| 105 | |||
| 106 | for component in components { | ||
| 107 | match component { | ||
| 108 | Component::Prefix(_) => unreachable!(), | ||
| 109 | Component::RootDir => { | ||
| 110 | canonical = prefix.clone(); | ||
| 111 | canonical.push(component.as_os_str()) | ||
| 112 | } | ||
| 113 | Component::CurDir => {} | ||
| 114 | Component::ParentDir => { | ||
| 115 | canonical.pop(); | ||
| 116 | } | ||
| 117 | Component::Normal(p) => canonical.push(p), | ||
| 118 | }; | ||
| 119 | } | ||
| 120 | |||
| 121 | canonical | ||
| 122 | } | ||
| 123 | |||
| 124 | pub fn current_working_directory() -> PathBuf { | ||
| 125 | std::env::current_dir().expect("Failed to obtain current working directory") | ||
| 126 | } | ||
| 127 | |||
| 128 | pub fn path_ends_with_slash(path: impl AsRef<Path>) -> bool { | ||
| 129 | path.as_ref() | ||
| 130 | .to_str() | ||
| 131 | .map(|s| s.ends_with('/')) | ||
| 132 | .unwrap_or_default() | ||
| 133 | } | ||
| 134 | |||
| 135 | #[cfg(test)] | ||
| 136 | mod tests { | ||
| 137 | use super::*; | ||
| 138 | |||
| 139 | #[test] | ||
| 140 | fn test_weakly_canonical() { | ||
| 141 | let cwd = PathBuf::from("/home/user"); | ||
| 142 | assert_eq!( | ||
| 143 | PathBuf::from("/home/dest"), | ||
| 144 | weakly_canonical_cwd("../dest", cwd.clone()) | ||
| 145 | ); | ||
| 146 | assert_eq!( | ||
| 147 | PathBuf::from("/home/dest/configs/init.vim"), | ||
| 148 | weakly_canonical_cwd("../dest/configs/init.vim", cwd.clone()) | ||
| 149 | ); | ||
| 150 | assert_eq!( | ||
| 151 | PathBuf::from("/dest/configs/init.vim"), | ||
| 152 | weakly_canonical_cwd("/dest/configs/init.vim", cwd.clone()) | ||
| 153 | ); | ||
| 154 | assert_eq!( | ||
| 155 | PathBuf::from("/home/user/configs/nvim/lua/setup.lua"), | ||
| 156 | weakly_canonical_cwd("./configs/nvim/lua/setup.lua", cwd.clone()) | ||
| 157 | ); | ||
| 158 | assert_eq!( | ||
| 159 | PathBuf::from("/home/user/configs/nvim/lua/setup.lua"), | ||
| 160 | weakly_canonical_cwd("configs/nvim/lua/setup.lua", cwd) | ||
| 161 | ); | ||
| 162 | } | ||
| 163 | |||
| 164 | #[test] | ||
| 165 | fn test_path_ends_with_slash() { | ||
| 166 | assert!(!path_ends_with_slash("")); | ||
| 167 | assert!(!path_ends_with_slash("/f1")); | ||
| 168 | assert!(!path_ends_with_slash("/f1/f2")); | ||
| 169 | assert!(!path_ends_with_slash("./f1/f2")); | ||
| 170 | assert!(!path_ends_with_slash("./f1/f2/../f3")); | ||
| 171 | |||
| 172 | assert!(path_ends_with_slash("/")); | ||
| 173 | assert!(path_ends_with_slash("/f1/")); | ||
| 174 | assert!(path_ends_with_slash("f1/")); | ||
| 175 | assert!(path_ends_with_slash("f1/f2/")); | ||
| 176 | assert!(path_ends_with_slash("f1/f2/../f3/")); | ||
| 177 | } | ||
| 178 | } | ||
