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Add docs for ~ operator

pull/1236/head
Jordi Boggiano 2012-10-19 14:33:46 +02:00
parent a59a5c4581
commit 9e90db45b3
1 changed files with 9 additions and 2 deletions
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@ -64,7 +64,7 @@ development branch. It would match `1.0.0`, `1.0.2` or `1.0.20`.
Version constraints can be specified in a few different ways. Version constraints can be specified in a few different ways.
* **Exact version:** You can specify the exact version of a package, for * **Exact version:** You can specify the exact version of a package, for
example `1.0.2`. This is not used very often, but can be useful. example `1.0.2`.
* **Range:** By using comparison operators you can specify ranges of valid * **Range:** By using comparison operators you can specify ranges of valid
versions. Valid operators are `>`, `>=`, `<`, `<=`, `!=`. An example range versions. Valid operators are `>`, `>=`, `<`, `<=`, `!=`. An example range
@ -72,7 +72,14 @@ Version constraints can be specified in a few different ways.
`>=1.0,<2.0`. `>=1.0,<2.0`.
* **Wildcard:** You can specify a pattern with a `*` wildcard. `1.0.*` is the * **Wildcard:** You can specify a pattern with a `*` wildcard. `1.0.*` is the
equivalent of `>=1.0,<1.1-dev`. equivalent of `>=1.0,<1.1`.
* **Next Significant Release (Tilde Operator):** The `~` operator is best
explained by example: `~1.2` is equivalent to `>=1.2,<2.0`, while `~1.2.3` is
equivalent to `>=1.2.3,<1.3`. As you can see it is mostly useful for projects
respecting semantic versioning. A common usage would be to mark the minimum
minor version you depend on, like `~1.2`, since in theory there should be no
backwards compatibility breaks until 2.0, that works well.
## Installing Dependencies ## Installing Dependencies