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25 lines
560 B
25 lines
560 B
#!/usr/bin/env bash |
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# Usage: jenv version-file-read <file> |
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set -e |
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[ -n "$JENV_DEBUG" ] && set -x |
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VERSION_FILE="$1" |
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if [ -e "$VERSION_FILE" ]; then |
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# Read the first non-whitespace word from the specified version file. |
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# Be careful not to load it whole in case there's something crazy in it. |
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version="" |
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while read -a words; do |
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word="${words[0]/$'\r'/}" |
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if [ -z "$version" ] && [ -n "$word" ]; then |
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version="$word" |
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fi |
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done < <( cat "$VERSION_FILE" && echo ) |
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if [ -n "$version" ]; then |
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echo "$version" |
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exit |
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fi |
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fi |
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exit 1
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