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Replace realpath with something Mac compat 

Mac by default doesn't have realpath(1).
This replaces it with an equivalent bash script, so we can reduce script replacements on Homebrew.

Fixes #149
This commit is contained in:
Eugene Yokota 2017-04-12 07:53:43 -04:00
parent 4043810dda
commit 226c34a7bf
1 changed files with 14 additions and 2 deletions
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16
src/universal/bin/sbt-launch-lib.bash
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@ -12,10 +12,22 @@ declare -a scalac_args
declare -a sbt_commands
declare java_cmd=java
declare java_version
declare -r sbt_bin_dir="$(dirname "$(realpath "$0")")"
declare -r sbt_home="$(dirname "$sbt_bin_dir")"
declare init_sbt_version=
declare SCRIPT=$0
while [ -h "$SCRIPT" ] ; do
ls=$(ls -ld "$SCRIPT")
# Drop everything prior to ->
link=$(expr "$ls" : '.*-> \(.*\)$')
if expr "$link" : '/.*' > /dev/null; then
SCRIPT="$link"
else
SCRIPT=$(dirname "$SCRIPT")/"$link"
fi
done
declare -r sbt_bin_dir="$(dirname "$SCRIPT")"
declare -r sbt_home="$(dirname "$sbt_bin_dir")"
echoerr () {
echo 1>&2 "$@"
}