mirror of
https://github.com/cheat/cheat.git
synced 2026-03-07 11:13:33 +01:00
cc85a4bdb1
Bug fixes: - Fix inverted pager detection logic (returned error instead of path) - Fix repo.Clone ignoring destination directory parameter - Fix sheet loading using append on pre-sized slices - Clean up partial files on copy failure - Trim whitespace from editor config Security: - Add path traversal protection for cheatsheet names Performance: - Move regex compilation outside search loop - Replace string concatenation with strings.Join in search Build: - Remove go:generate; embed config and usage as string literals - Parallelize release builds - Add fuzz testing infrastructure Testing: - Improve test coverage from 38.9% to 50.2% - Add fuzz tests for search, filter, tags, and validation Documentation: - Fix inaccurate code examples in HACKING.md - Add missing --conf and --all options to man page - Add ADRs for path traversal, env parsing, and search parallelization - Update CONTRIBUTING.md to reflect project policy Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
56 lines
1.4 KiB
Go
56 lines
1.4 KiB
Go
package sheets
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import (
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"strings"
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"unicode/utf8"
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"github.com/cheat/cheat/internal/sheet"
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)
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// Filter filters cheatsheets that do not match `tag(s)`
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func Filter(
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cheatpaths []map[string]sheet.Sheet,
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tags []string,
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) []map[string]sheet.Sheet {
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// buffer a map of filtered cheatsheets
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filtered := make([]map[string]sheet.Sheet, 0, len(cheatpaths))
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// iterate over each cheatpath
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for _, cheatsheets := range cheatpaths {
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// create a map of cheatsheets for each cheatpath. The filtering will be
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// applied to each cheatpath individually.
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pathFiltered := make(map[string]sheet.Sheet)
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// iterate over each cheatsheet that exists on each cheatpath
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for title, sheet := range cheatsheets {
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// assume that the sheet should be kept (ie, should not be filtered)
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keep := true
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// iterate over each tag. If the sheet does not match *all* tags, filter
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// it out.
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for _, tag := range tags {
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trimmed := strings.TrimSpace(tag)
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if trimmed == "" || !utf8.ValidString(trimmed) || !sheet.Tagged(trimmed) {
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keep = false
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}
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}
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// if the sheet does match all tags, it passes the filter
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if keep {
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pathFiltered[title] = sheet
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}
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}
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// the sheets on this individual cheatpath have now been filtered. Now,
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// store those alongside the sheets on the other cheatpaths that also made
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// it passed the filter.
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filtered = append(filtered, pathFiltered)
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}
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// return the filtered cheatsheets on all paths
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return filtered
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}
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