fix: allow run_all_testdata to be run from anywhere

Author: Hoblovski

script/run_all_testdata.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-# Generate uniast for all testdata. Must be run from repo root
+# Generate uniast for all testdata.
 #
 # USAGE:
 # 1. Save the uniast to out/
@@ -11,7 +11,10 @@
 # 3. Use a custom abcoder executable
 # OUTDIR=out/ ABCEXE="./other_abcoder" ./script/run_testdata.sh
 
-ABCEXE=${ABCEXE:-./abcoder}
+SCRIPT_DIR=$(dirname "$(readlink -f "$0")")
+REPO_ROOT=$(realpath --relative-to=$(pwd) "$SCRIPT_DIR/..")
+
+ABCEXE=${ABCEXE:-"$REPO_ROOT/abcoder"}
 OUTDIR=${OUTDIR:?Error: OUTDIR is a mandatory environment variable}
 PARALLEL_FLAGS=${PARALLEL_FLAGS:---tag}
 
@@ -20,18 +23,19 @@ LANGS=(go rust python cxx)
 detect_jobs() {
 	local ABCEXE=${1:-$ABCEXE}
 	for lang in ${LANGS[@]}; do
-		for repo in testdata/$lang/*; do
-			outname=$(echo $repo | sed 's/^testdata\///; s/[/:? ]/_/g')
+		for repo in "$REPO_ROOT/testdata/$lang"/*; do
+			local rel_path=$(realpath --relative-to="$REPO_ROOT/testdata" "$repo")
+			local outname=$(echo "$rel_path" | sed 's/[/:? ]/_/g')
 			echo $ABCEXE parse $lang $repo -o $OUTDIR/$outname.json
 		done
 	done
 }
 
 if [[ ! -x "$ABCEXE" ]]; then
-    echo "Error: The specified abcoder executable '$ABCEXE' does not exist or is not executable." >&2
-    exit 1
+	echo "Error: The specified abcoder executable '$ABCEXE' does not exist or is not executable." >&2
+	exit 1
 fi
 mkdir -pv "$OUTDIR"
-detect_jobs | parallel $PARALLEL_FLAGS echo {}
+detect_jobs
 echo
 detect_jobs | parallel $PARALLEL_FLAGS -j$(nproc --all) --jobs 0 "eval {}" 2>&1