rbenv/libexec/rbenv-version-file-read
Mislav Marohnić 681435e0b4 Simplify version-file-read to avoid process substitution
Process substitution seems to be causing problems with some versions of
bash on specific systems.

Fixes #401
2013-10-30 02:33:49 +01:00

20 lines
441 B
Bash
Executable file

#!/usr/bin/env bash
# Usage: rbenv version-file-read <file>
set -e
[ -n "$RBENV_DEBUG" ] && set -x
VERSION_FILE="$1"
if [ -e "$VERSION_FILE" ]; then
# Read the first non-whitespace word from the specified version file.
# Be careful not to load it whole in case there's something crazy in it.
words=( $(head -c 1024 "$VERSION_FILE") )
version="${words[0]}"
if [ -n "$version" ]; then
echo "$version"
exit
fi
fi
exit 1