build: include partial install script inside a function.

dists/partial.sh

@@ -1,44 +1,49 @@
-BUILD=.build
-DESTDIR=/
-        
-for profile in "$@"
-do
-	if [ ! -f "${BUILD}/apparmor.d/${profile}" ]; then
-		continue
-	fi
-	echo "Installing profile $profile"
-	cp $BUILD/apparmor.d/$profile $DESTDIR/etc/apparmor.d/
-  	grep "rPx," "${BUILD}/apparmor.d/${profile}" | while read line
-  	do
-  		if [[ -z "$line" ]]; then
- 			continue
-		fi
-	    	dep=$(echo "$line" | awk '{print $1}')
-	    	dep=$(echo $dep | awk -F"/" '{print $NF}')
-		dep=$(eval "ls ${BUILD}/apparmor.d/${dep} 2>/dev/null")
-	  	for i in $dep
-	  	do
-	  		i=$(echo $i | awk -F"/" '{print $NF}')
-	  		if [ ! -f "$DESTDIR/etc/apparmor.d/$i" ]; then
-				bash "$0" "$i"
-			fi
-	  	done
-	done
-	grep "rPx -> " "${BUILD}/apparmor.d/${profile}" | while read line
-	do
-   		if [[ -z "$line" ]]; then
- 			continue
-		fi
-		dep=${line%%#*}
-		dep=$(echo $dep | awk '{print $NF}')
-		dep=${dep::-1}
-		dep=$(eval "ls ${BUILD}/apparmor.d/${dep} 2>/dev/null")
-	  		for i in $dep
-	  		do
-	    			i=$(echo $i | awk -F"/" '{print $NF}')
-				if [ ! -f "$DESTDIR/etc/apparmor.d/$i" ]; then
-			  		bash "$0" "$i"
-	      			fi
-			done
-	done
-done
+#!/usr/bin/env bash
+# Partial install of apparmor profiles
+# Copyright (C) 2023 monsieuremre <https://github.com/monsieuremre>
+# Copyright (C) 2023 Alexandre Pujol <alexandre@pujol.io>
+# SPDX-License-Identifier: GPL-2.0-only
+
+# Usage:
+#     make
+#     sudo make profile-names...
+
+set -eu #-o pipefail
+
+readonly BUILD=.build
+readonly DESTDIR="$1"
+shift
+
+_install() {
+    local profile="$1"
+    if [[ ! -f "$BUILD/apparmor.d/$profile" ]]; then
+        return
+    fi
+    if [[ -f "$DESTDIR/etc/apparmor.d/$profile" ]]; then
+        return
+    fi
+
+    echo "Installing profile $profile"
+    install -Dvm0644 "$BUILD/apparmor.d/$profile" "$DESTDIR/etc/apparmor.d/$profile"
+
+    grep "rPx," "$BUILD/apparmor.d/$profile" | while read -r line; do
+        [[ -z "$line" ]] && continue
+        name="$(echo "$line" | awk '{print $1}')" # | awk -F"/" '{print $NF}')"
+        _install "$name"
+    done
+    grep "rPx -> " "$BUILD/apparmor.d/$profile" | while read -r line; do
+        [[ -z "$line" ]] && continue
+        name=${line%%#*}
+        name=$(echo "$name" | awk '{print $NF}')
+        name=${name::-1}
+        _install "$name"
+    done
+}
+
+main() {
+    for profile in "$@"; do
+        _install "$profile"
+    done
+}
+
+main "$@"