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| git remote | | |
| xargs -n1 -I% git symbolic-ref refs/remotes/%/HEAD | | |
| cut -d/ -f4 |
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| # cf. %x`echo exec cmd` | |
| def x(cmd) | |
| IO.popen(cmd).readlines(chomp: true) | |
| end | |
| x('git remote') | |
| .flat_map{x("git symbolic-ref refs/remotes/#{_1}/HEAD")} | |
| .map{File.basename(_1)} |
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| git ls-files --cached --ignored --exclude-standard |
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ref.