diff options
Diffstat (limited to 'utils/bin/activate.bash')
| -rwxr-xr-x | utils/bin/activate.bash | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/utils/bin/activate.bash b/utils/bin/activate.bash index 8695009..e3cf2c7 100755 --- a/utils/bin/activate.bash +++ b/utils/bin/activate.bash @@ -1,8 +1,30 @@ -if [ -z "$PACKAGE_HOME" ]; then +if [ -z "${BASH_ARGV[0]}" ]; then + + # as a last recourse, use the present working directory PACKAGE_HOME=$(pwd) + +else + + # get the absolute path of the executable + SELF_PATH=$( + cd -P -- "$(dirname -- "${BASH_ARGV[0]}")" \ + && pwd -P + ) && SELF_PATH=$SELF_PATH/$(basename -- "${BASH_ARGV[0]}") + + # resolve symlinks + while [ -h "$SELF_PATH" ]; do + DIR=$(dirname -- "$SELF_PATH") + SYM=$(readlink -- "$SELF_PATH") + SELF_PATH=$(cd -- "$DIR" && cd -- $(dirname -- "$SYM") && pwd)/$(basename -- "$SYM") + done + + PACKAGE_HOME=$(dirname -- "$(dirname -- "$SELF_PATH")") + fi +export PACKAGE_HOME + # which -s narwhal doesn't work (os x 10.5, kriskowal) if [ -f "$PACKAGE_HOME"/bin/narwhal ]; then NARWHAL="$PACKAGE_HOME"/bin/narwhal @@ -13,8 +35,7 @@ else if [ "$?" -ne 127 ]; then NARWHAL=narwhal else - echo "ERROR: narwhal is not in your PATH or $PACKAGE_HOME/bin." - exit + echo "ERROR: narwhal is not in your PATH nor in $PACKAGE_HOME/bin." >&2 fi fi @@ -23,5 +44,7 @@ if [ -f "$PACKAGE_HOME"/narwhal.conf ]; then export NARWHAL_DEFAULT_PLATFORM fi -export PATH="$("$NARWHAL" --package "$PACKAGE_HOME" --path :)" +if [ "$NARWHAL" ]; then + export PATH="$("$NARWHAL" --package "$PACKAGE_HOME" --path :)" +fi |