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#
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# Shortens GitHub URLs.
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#
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# Authors:
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# Sorin Ionescu <sorin.ionescu@gmail.com>
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#
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# function git-hub-shorten-url {
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local url="$1"
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if [[ "$url" == '-' ]]; then
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read url <&0
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fi
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if [[ -z "$url" || ! "$url" =~ ^https?:\/\/.*github.com\/ ]]; then
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print "usage: $0 [ url | - ] ; must be a github.com URL" >&2
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fi
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if (( $+commands[curl] )); then
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curl -s -i 'https://git.io' -F "url=$url" | sed -n 's/^Location: //p'
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else
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print "$0: command not found: curl" >&2
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fi
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# }
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