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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| package ignore | ||
|
|
||
| import ( | ||
| "os" | ||
| "path/filepath" | ||
| "strings" | ||
| ) | ||
|
|
||
| // IgnoreFile is the name of the ignore file. | ||
| const IgnoreFile = ".multignore" | ||
|
|
||
| // Filter is a list of paths to ignore. | ||
| type Filter []Rule | ||
|
|
||
| // New returns a new ignore filter. | ||
| func New(dir string, patterns ...string) Filter { | ||
| var rules []Rule | ||
| for _, p := range patterns { | ||
| rule := ParseRule(filepath.Join(dir, p)) | ||
| rules = append(rules, rule) | ||
| } | ||
|
|
||
| return Filter(rules) | ||
| } | ||
|
|
||
| // Load returns the ignore filter from the given directory. | ||
| func Load(dir string) (Filter, error) { | ||
| data, err := os.ReadFile(filepath.Join(dir, IgnoreFile)) | ||
| if os.IsNotExist(err) { | ||
| return nil, nil | ||
| } | ||
|
|
||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| patterns := strings.Split(string(data), "\n") | ||
| return New(dir, patterns...), nil | ||
| } | ||
|
|
||
| // Match returns true if the path matches any ignore rules. | ||
| func (f Filter) Match(name string) bool { | ||
| for _, r := range f { | ||
| if match, _ := r.Match(name); match { | ||
| return true | ||
| } | ||
| } | ||
|
|
||
| return false | ||
| } | ||
|
|
||
| // Merge combines the ignore rules with the other ignore. | ||
| func (f Filter) Merge(other Filter) Filter { | ||
| var merge Filter | ||
| for _, r := range other { | ||
| merge = append(merge, r) | ||
| } | ||
|
|
||
| return append(f, merge...) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| package ignore | ||
|
|
||
| import ( | ||
| "testing" | ||
| ) | ||
|
|
||
| func TestMatch(t *testing.T) { | ||
| ignore := New("test", "*.exe") | ||
|
|
||
| if !ignore.Match("test/foo/bar.exe") { | ||
| t.Error("expected ignore to match") | ||
| } | ||
|
|
||
| if !ignore.Match("foo.exe") { | ||
| t.Error("expected ignore to match") | ||
| } | ||
| } | ||
|
|
||
| func TestLoad(t *testing.T) { | ||
| ignore, err := Load("testdata") | ||
| if err != nil { | ||
| t.Fatal("failed to load ignore file") | ||
| } | ||
|
|
||
| if !ignore.Match("foo/bar") { | ||
| t.Error("expected ignore to match") | ||
| } | ||
|
|
||
| if !ignore.Match("bar/foo") { | ||
| t.Error("expected ignore to match") | ||
| } | ||
|
|
||
| if ignore.Match("foo.exe") { | ||
| t.Error("expected ignore not to match") | ||
| } | ||
| } | ||
|
|
||
| func TestMerge(t *testing.T) { | ||
| ignore, err := Load("testdata") | ||
| if err != nil { | ||
| t.Fatal("failed to load ignore file") | ||
| } | ||
|
|
||
| other := New("test", "*.exe") | ||
| merge := ignore.Merge(other) | ||
|
|
||
| if !merge.Match("foo/bar") { | ||
| t.Error("expected ignore to match") | ||
| } | ||
|
|
||
| if !merge.Match("bar/foo") { | ||
| t.Error("expected ignore to match") | ||
| } | ||
|
|
||
| if !merge.Match("foo.exe") { | ||
| t.Error("expected ignore to match") | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| package ignore | ||
|
|
||
| import ( | ||
| "path/filepath" | ||
| "strings" | ||
| ) | ||
|
|
||
| // Rule is used to match file paths. | ||
| type Rule interface { | ||
| // Match returns true if the path matches. | ||
| Match(string) (bool, error) | ||
| } | ||
|
|
||
| // compile time interface checks | ||
| var _ Rule = (*NegateRule)(nil) | ||
| var _ Rule = (BaseRule)("") | ||
| var _ Rule = (PathRule)("") | ||
| var _ Rule = (EmptyRule)("") | ||
|
|
||
| // NegateRule negates a rule. | ||
| type NegateRule struct { | ||
| wrapped Rule | ||
| } | ||
|
|
||
| // BaseRule matches the base of the path. | ||
| type BaseRule string | ||
|
|
||
| // PathRule matches the entire path. | ||
| type PathRule string | ||
|
|
||
| // EmptyRule never matches. | ||
| type EmptyRule string | ||
|
|
||
| // Match returns true if the path matches. | ||
| func (r NegateRule) Match(name string) (bool, error) { | ||
| match, err := r.wrapped.Match(name) | ||
| return !match, err | ||
| } | ||
|
|
||
| // Match returns true if the path matches. | ||
| func (r BaseRule) Match(name string) (bool, error) { | ||
| base := filepath.Base(name) | ||
| return filepath.Match(string(r), base) | ||
| } | ||
|
|
||
| // Match returns true if the path matches. | ||
| func (r PathRule) Match(name string) (bool, error) { | ||
| return filepath.Match(string(r), name) | ||
| } | ||
|
|
||
| // Match returns true if the path matches. | ||
| func (r EmptyRule) Match(name string) (bool, error) { | ||
| return false, nil | ||
| } | ||
|
|
||
| // ParseRule returns a rule for the given pattern. | ||
| func ParseRule(pattern string) Rule { | ||
| pattern = strings.TrimSpace(pattern) | ||
| if pattern == "" { | ||
| return EmptyRule(pattern) | ||
| } | ||
|
|
||
| if strings.HasPrefix(pattern, "#") { | ||
| return EmptyRule(pattern) | ||
| } | ||
|
|
||
| var rule Rule | ||
| if strings.Contains(pattern, "/") { | ||
| rule = PathRule(pattern) | ||
| } else { | ||
| rule = BaseRule(filepath.Base(pattern)) | ||
| } | ||
|
|
||
| if strings.HasPrefix(pattern, "!") { | ||
| rule = NegateRule{rule} | ||
| } | ||
|
|
||
| return rule | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| # *.exe | ||
|
|
||
| foo | ||
|
|
||
| !bar | ||
|
|
||
| /foo/bar |
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