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Expose script file name to script itself #200

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Merged
holgerbrandl merged 1 commit into from
Dec 4, 2018
Merged

Expose script file name to script itself #200

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3 changes: 3 additions & 0 deletions src/kscript
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Original file line number Diff line number Diff line change
Expand Up @@ -27,5 +27,8 @@ if [[ $(uname) == CYGWIN* ]]; then jarPath=$(cygpath -w ${jarPath}); fi
## prefer KOTLIN_HOME instead of PATH to resolve `kotlin` location (see #145)
if [[ -z "$KOTLIN_HOME" ]]; then KOTLIN_EXEC="kotlin"; else KOTLIN_EXEC="$KOTLIN_HOME/bin/kotlin"; fi

## expose the name of the script being run to the script itself
export KSCRIPT_FILE="$1"

## run it using command substitution to have just the user process once kscript is done
eval "exec $(${KOTLIN_EXEC} -classpath ${jarPath} kscript.app.KscriptKt "$@")"
2 changes: 2 additions & 0 deletions test/resources/uses_self_file_name.kts
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@@ -0,0 +1,2 @@
#!/usr/bin/env kscript
println("Usage: ${System.getenv("KSCRIPT_FILE")} [-ae] [--foo] file+")
4 changes: 4 additions & 0 deletions test/test_suite.sh
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Expand Up @@ -115,6 +115,10 @@ assert "unset KOTLIN_HOME; echo 'println(99)' | kscript -" "99"

## todo test what happens if kotlin/kotlinc/java/maven is not in PATH

## run script that tries to find out its own filename via environment variable
f="${KSCRIPT_HOME}/test/resources/uses_self_file_name.kts"
assert "$f" "Usage: $f [-ae] [--foo] file+"


assert_end environment_tests

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