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Move all gitignore matching to separate crate.

Browse Source 
This PR introduces a new sub-crate, `ignore`, which primarily provides a
fast recursive directory iterator that respects ignore files like
gitignore and other configurable filtering rules based on globs or even
file types.

This results in a substantial source of complexity moved out of ripgrep's
core and into a reusable component that others can now (hopefully)
benefit from.

While much of the ignore code carried over from ripgrep's core, a
substantial portion of it was rewritten with the following goals in
mind:

1. Reuse matchers built from gitignore files across directory iteration.
2. Design the matcher data structure to be amenable for parallelizing
   directory iteration. (Indeed, writing the parallel iterator is the
   next step.)

Fixes #9, #44, #45
This commit is contained in:
Andrew Gallant
2016-10-11 19:57:09 -04:00
parent 12b2b1f624
commit d79add341b
30 changed files with 3765 additions and 1760 deletions
Download Patch File Download Diff File Expand all files Collapse all files

57
Cargo.lock generated
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@@ -5,20 +5,18 @@ dependencies = [
"deque 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
"docopt 0.6.86 (registry+https://github.com/rust-lang/crates.io-index)",
"env_logger 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
"globset 0.1.0",
"grep 0.1.3",
"ignore 0.1.0",
"kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
"lazy_static 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"memchr 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
"memmap 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
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@@ -44,7 +42,7 @@ version = "0.6.86"
source = "registry+https://github.com/rust-lang/crates.io-index"
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@@ -55,7 +53,7 @@ version = "0.3.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
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"regex 0.1.80 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
@@ -65,7 +63,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
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version = "0.2.5"
version = "0.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
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@@ -82,7 +80,7 @@ dependencies = [
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"regex 0.1.80 (registry+https://github.com/rust-lang/crates.io-index)",
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[[package]]
@@ -91,9 +89,22 @@ version = "0.1.3"
dependencies = [
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[[package]]
name = "ignore"
version = "0.1.0"
dependencies = [
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[[package]]
@@ -130,10 +141,10 @@ dependencies = [
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version = "0.2.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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@@ -157,12 +168,12 @@ dependencies = [
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name = "regex"
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version = "0.1.80"
source = "registry+https://github.com/rust-lang/crates.io-index"
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@@ -170,7 +181,7 @@ dependencies = [
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name = "regex-syntax"
version = "0.3.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
@@ -221,7 +232,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "walkdir"
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@@ -244,17 +255,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
"checksum docopt 0.6.86 (registry+https://github.com/rust-lang/crates.io-index)" = "4a7ef30445607f6fc8720f0a0a2c7442284b629cf0d049286860fae23e71c4d9"
"checksum env_logger 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "15abd780e45b3ea4f76b4e9a26ff4843258dd8a3eed2775a0e7368c2e7936c2f"
"checksum fnv 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "6cc484842f1e2884faf56f529f960cc12ad8c71ce96cc7abba0a067c98fee344"
"checksum fs2 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "bcd414e5a1a979b931bb92f41b7a54106d3f6d2e6c253e9ce943b7cd468251ef"
"checksum fs2 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "640001e1bd865c7c32806292822445af576a6866175b5225aa2087ca5e3de551"
"checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
"checksum lazy_static 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "49247ec2a285bb3dcb23cbd9c35193c025e7251bfce77c1d5da97e6362dffe7f"
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"checksum regex-syntax 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "48f0573bcee95a48da786f8823465b5f2a1fae288a55407aca991e5b3e0eae11"
"checksum regex 0.1.80 (registry+https://github.com/rust-lang/crates.io-index)" = "4fd4ace6a8cf7860714a2c2280d6c1f7e6a413486c13298bbc86fd3da019402f"
"checksum regex-syntax 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "f9ec002c35e86791825ed294b50008eea9ddfc8def4420124fbc6b08db834957"
"checksum rustc-serialize 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)" = "6159e4e6e559c81bd706afe9c8fd68f547d3e851ce12e76b1de7914bab61691b"
"checksum simd 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "63b5847c2d766ca7ce7227672850955802fabd779ba616aeabead4c2c3877023"
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