mirror of
https://github.com/uutils/coreutils
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156 lines
4.8 KiB
Plaintext
156 lines
4.8 KiB
Plaintext
# This is a script to analyze the dependencies of this project.
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# It is a replacement of / complement to
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#
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# - cargo tree (used by this script)
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# - cargo deps
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# - cargo deny
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#
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# The idea is that by calling all_dep_info, you get a table of all dependencies
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# in Cargo.lock, with a few additional columns based on some other tools.
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# Currently, these tools are
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#
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# - cargo tree
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# - the crates.io API
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#
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# The most useful columns in the table are:
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#
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# - `name`: the name of the crate.
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# - `version`: the version of the crate.
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# - `num_versions`: the number of versions in Cargo.lock.
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# - `normal_dep`: whether the crate is a normal dependency.
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# - `build_dep`: whether the crate is a build dependency.
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# - `dev_dep`: whether the crate is a dev dependency.
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# - `organisation`: the GitHub/GitLab organisation or user of the repository of the crate.
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# - `repository_name`: the name of the repository the crate is in. The format is "{owner}/{repo}".
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# - `dependencies`: direct dependencies of the crate (in the format of Cargo.lock).
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#
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# To use this script, start nushell (tested only on version 0.82.0), import the library and
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# call `all_dep_info`:
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#
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# ```
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# > nu
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# > use util/deps.nu
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# > let dep = (deps all_dep_info)
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# ```
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#
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# Then you can perform analysis. For example, to group the dependencies by organisation:
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#
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# ```
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# > $dep | group-by organisation
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# ```
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#
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# Or to find all crates with multiple versions (like cargo deny):
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# ```
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# > $dep | where num_versions > 1
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# ```
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#
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# Ideas to expand this:
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#
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# - Figure out the whole dependency graph
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# - Figure out which platforms and which features enable which crates
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# - Figure out which utils require which crates
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# - Count the number of crates on different platforms
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# - Add license information
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# - Add functions to perform common analyses
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# - Add info from cargo bloat
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# - Add MSRV info
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# - Add up-to-date info (the necessary info is there, it just needs to be derived)
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# - Check the number of owners/contributors
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# - Make a webpage to more easily explore the data
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# Read the packages a Cargo.lock file
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def read_lockfile [name: path] {
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open $name | from toml | get package
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}
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# Read the names output by cargo tree
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export def read_tree_names [edges: string, features: string] {
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cargo tree -e $edges --features $features
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| rg "[a-zA-Z0-9_-]+ v[0-9.]+" -o
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| lines
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| each {|x| parse_name_and_version $x }
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}
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def parse_name_and_version [s: string] {
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let s = ($s | split row " ")
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let name = $s.0
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let version = if ($s | length) > 1 {
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$s.1 | str substring 1..
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} else {
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""
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}
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{name: $name, version: $version}
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}
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# Read the crates.io info for a list of crates names
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def read_crates_io [names: list<string>] {
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let total = ($names | length)
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$names | enumerate | par-each {|el|
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let key = $el.index
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let name = $el.item
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print $"($key)/($total): ($name)"
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http get $"https://crates.io/api/v1/crates/($name)" | get crate
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}
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}
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def in_table [col_name, table] {
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insert $col_name {|el|
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$table
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| any {|table_el|
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$table_el.name == $el.name and $table_el.version == $el.version }
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}
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}
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# Add column for a dependency type
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def add_dep_type [dep_type: string, features: string] {
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in_table $"($dep_type)_dep" (read_tree_names $dep_type $features)
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}
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export def all_dep_info [] {
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let features = unix,feat_selinux
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let lock = (read_lockfile Cargo.lock)
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$lock
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# Add number of versions
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| join ($lock | group-by name | transpose | update column1 { length } | rename name num_versions) name
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# Add dependency types
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| add_dep_type normal $features
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| add_dep_type build $features
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| add_dep_type dev $features
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| insert used {|x| $x.normal_dep or $x.build_dep or $x.dev_dep}
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# Add crates.io info
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| join (read_crates_io ($lock.name | uniq)) name
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# Add GH org or user info
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# The organisation is an indicator that crates should be treated as one dependency.
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# However, there are also unrelated projects by a single organisation, so it's not
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# clear.
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| insert organisation {|x|
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let repository = $x.repository?
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if ($repository == null) { "" } else {
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$repository | url parse | get path | path split | get 1
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}
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}
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# Add repository (truncate everything after repo name)
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# If we get a url like
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# https://github.com/uutils/coreutils/tree/src/uu/ls
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# we only keep
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# uutils/coreutils
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# The idea is that crates in the same repo definitely belong to the same project and should
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# be treated as one dependency.
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| insert repository_name {|x|
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let repository = $x.repository?
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if ($repository == null) { '' } else {
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$repository
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| url parse
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| get path
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| path split
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| select 1 2
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| path join
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}
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}
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}
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