parameter is optional, defaults to '.'

.gitignore

@@ -1,2 +1,4 @@
 .vscode
 shperm
+build/credentials
+build/deb/*.deb

build/credentials.example

@@ -0,0 +1,2 @@
+GITEA_USER=user
+GITEA_PASS=pass or token

build/deb/build_stable.sh

@@ -0,0 +1,42 @@
+#!/bin/bash
+
+set -e
+
+NAME=shperm
+VERSION=1.0
+REVISION=1
+ARCH=amd64
+
+if ! git tag -l |fgrep $VERSION; then
+	git tag $VERSION
+	git push origin $VERSION
+fi
+
+curdir=`dirname $0`
+workdir="$curdir/${NAME}_${VERSION}-${REVISION}_${ARCH}"
+mkdir -p "$workdir"
+
+mkdir -p "$workdir/usr/bin"
+gcc -o "$workdir/usr/bin/shperm" ../../shperm.c
+chmod 0777 "$workdir/usr/bin/shperm"
+
+mkdir "$workdir/DEBIAN"
+cat << EOT > "$workdir/DEBIAN/control"
+Package: $NAME
+Version: $VERSION
+Architecture: $ARCH
+Maintainer: Daniel Buschke <damage@devloop.de>
+Description: Shows permissions from given path
+ up to the root folder
+Homepage: https://source.devloop.de/damage/shperm
+EOT
+
+dpkg-deb --build --root-owner-group "$workdir"
+if [[ $? -eq 0 ]]; then
+	source "$curdir/../credentials"
+	curl --user "$GITEA_USER:$GITEA_PASS" \
+	     --upload-file "${NAME}_${VERSION}-${REVISION}_${ARCH}.deb" \
+	     https://source.devloop.de/api/packages/damage/debian/pool/stable/main/upload
+
+	rm -rf "$workdir"
+fi

shperm.c

@@ -121,15 +121,22 @@ void dumpLines() {
 }
 
 int main(int argc, char* argv[]) {
-    if (argc != 2) {
-        fprintf(stderr, "Usage: %s <file or directory>\n", argv[0]);
+    if (argc > 2) {
+        fprintf(stderr, "Usage: %s [file or directory]\n", argv[0]);
         exit(1);
     }
 
     char* path;
+    char* startpath;
     path = malloc(PATH_MAX);
 
-    if (realpath(argv[1], path)) {
+    if (argc == 1) {
+    	startpath = ".";
+    } else {
+    	startpath = argv[1];
+    }
+    
+    if (realpath(startpath, path)) {
         char* base;
         do {
             struct stat sb;