Merge pull request #8558 from mohamedawnallah/fix-manpages-script-bre…

…aks-dockerfiles-bug

Fix: Manpages Script breaks Dockerfiles

dev.Dockerfile

@@ -14,6 +14,7 @@ ENV GODEBUG netdns=cgo
 
 # Install dependencies.
 RUN apk add --no-cache --update alpine-sdk \
+    bash \
     git \
     make 
 

scripts/gen_man_pages.sh

@@ -2,23 +2,30 @@
 
 # Usage: ./gen_man_pages.sh DESTDIR PREFIX
 
+# Check if lncli is installed.
+function check_lncli_installed() {
+    if [[ ! $(command -v lncli) ]]
+    then
+        echo "lncli could not be found. Please install lncli before running this script."
+        exit 1
+    fi
+}
+
 DESTDIR="$1"
 PREFIX="$2"
+FULLPATH="$DESTDIR$PREFIX"
 
-# Check if lncli is installed.
-if ! command -v lncli &> /dev/null
-then
-    echo "lncli could not be found. Please install lncli before running this script."
-    exit 1
-fi
+check_lncli_installed
 
 # Ignore warnings regarding HTMLBlock detection in go-md2man package
 # since using "<...>" is part of our docs.
 lncli generatemanpage 2>&1 | grep -v "go-md2man does not handle node type HTMLSpan" || true
 
-echo "Installing man pages to $DESTDIR$PREFIX/share/man/man1."
-install -m 644 lnd.1 "$DESTDIR$PREFIX/share/man/man1/lnd.1"
-install -m 644 lncli.1 "$DESTDIR$PREFIX/share/man/man1/lncli.1"
+mkdir -p "$FULLPATH/share/man/man1"
+
+echo "Installing man pages to $FULLPATH/share/man/man1."
+install -m 644 lnd.1 "$FULLPATH/share/man/man1/lnd.1"
+install -m 644 lncli.1 "$FULLPATH/share/man/man1/lncli.1"
 
 # Remove lncli.1 and lnd.1 artifacts from the current working directory.
 rm -f lncli.1 lnd.1