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62 lines
1.7 KiB
Plaintext
62 lines
1.7 KiB
Plaintext
---
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sidebar_label: Dependency commands (add, tree)
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---
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# Dependency Commands
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## `dcr add \<name> [source]`
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Adds a dependency to `dcr.toml`.
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```bash
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dcr add fmt # registry lookup
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dcr add mylib ../path/to/lib # path as source
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dcr add mylib path:./lib # explicit path prefix
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dcr add mylib git:https://github.com/user/repo # explicit git prefix
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dcr add mylib github:user/repo # GitHub shorthand
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dcr add mylib gitlab:user/repo # GitLab shorthand
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dcr add fmt pkg-config:fmt # system package via pkg-config
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dcr add openssl pkg:openssl,libcrypto # multiple pkg-config packages
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```
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Source prefixes:
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* `path:` — local path
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* `git:` — generic git URL
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* `github:` — expands to `https://github.com/\<user>/\<repo>`
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* `gitlab:` — expands to `https://gitlab.com/\<user>/\<repo>`
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* `pkg-config:` / `pkg:` — one or more packages resolved by `pkg-config`
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* `http://` / `https://` / `git@` — full URL
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Flags:
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* `--branch \<name>` — git branch
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* `--tag \<name>` — git tag
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* `--rev \<hash>` — git commit
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If source is omitted — DCR searches connected registries. A bare relative or absolute path is accepted as a path dependency.
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For `pkg-config` dependencies, the referenced packages must already be installed
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and provide `.pc` files. DCR invokes `pkg-config` during the build (using
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`PATH` and `PKG_CONFIG_PATH`) and forwards the returned compiler and linker
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flags; it does not download or build these packages.
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## `dcr tree`
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Displays the project dependency tree.
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```bash
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dcr tree
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```
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Example output:
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```
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my-app v0.1.0
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├── fmt (registry)
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│ └── spdlog (registry)
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└── catch2 (registry)
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```
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For path dependencies, recursively shows their own dependencies (from their `dcr.toml`).
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