mirror of https://github.com/cheat/cheat.git
52 lines
1.2 KiB
Go
52 lines
1.2 KiB
Go
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package sheet
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import (
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"fmt"
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"io"
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"os"
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"path"
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)
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// Copy copies a cheatsheet to a new location
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func (s *Sheet) Copy(dest string) error {
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// NB: while the `infile` has already been loaded and parsed into a `sheet`
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// struct, we're going to read it again here. This is a bit wasteful, but
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// necessary if we want the "raw" file contents (including the front-matter).
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// This is because the frontmatter is parsed and then discarded when the file
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// is loaded via `sheets.Load`.
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infile, err := os.Open(s.Path)
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if err != nil {
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return fmt.Errorf("failed to open cheatsheet: %s, %v", s.Path, err)
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}
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defer infile.Close()
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// create any necessary subdirectories
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dirs := path.Dir(dest)
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if dirs != "." {
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if err := os.MkdirAll(dirs, 0755); err != nil {
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return fmt.Errorf("failed to create directory: %s, %v", dirs, err)
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}
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}
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// create the outfile
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outfile, err := os.Create(dest)
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if err != nil {
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return fmt.Errorf("failed to create outfile: %s, %v", dest, err)
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}
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defer outfile.Close()
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// copy file contents
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_, err = io.Copy(outfile, infile)
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if err != nil {
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return fmt.Errorf(
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"failed to copy file: infile: %s, outfile: %s, err: %v",
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s.Path,
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dest,
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err,
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)
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}
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return nil
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}
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