Make bootstrap.sh /bin/sh friendly

Author: noloader

bootstrap.sh

@@ -3,32 +3,32 @@
 # Written and placed in public domain by Jeffrey Walton
 # Autotools sucks. My condolences you have to work with it.
 
-if ! command -v aclocal &>/dev/null; then
+if ! command -v aclocal >/dev/null 2>&1; then
     echo "aclocal not found. Bootstrap will probably fail"
 fi
 
-if ! command -v automake &>/dev/null; then
+if ! command -v automake >/dev/null 2>&1; then
     echo "automake not found. Bootstrap will probably fail"
 fi
 
-if ! command -v autoupdate &>/dev/null; then
+if ! command -v autoupdate >/dev/null 2>&1; then
     echo "autoupdate not found. Bootstrap will probably fail"
 fi
 
-if ! command -v autoconf &>/dev/null; then
+if ! command -v autoconf >/dev/null 2>&1; then
     echo "autoconf not found. Bootstrap will probably fail"
 fi
 
-if ! command -v autoreconf &>/dev/null; then
+if ! command -v autoreconf >/dev/null 2>&1; then
     echo "autoreconf not found. Bootstrap will probably fail"
 fi
 
-if ! command -v file &>/dev/null; then
+if ! command -v file >/dev/null 2>&1; then
     echo "file not found. Bootstrap will probably fail"
 fi
 
-if ! command -v wget &>/dev/null; then
-    if ! command -v curl &>/dev/null; then
+if ! command -v wget >/dev/null 2>&1; then
+    if ! command -v curl >/dev/null 2>&1; then
         echo "wget and curl not found. Updates will probably fail"
     fi
 fi
@@ -41,27 +41,27 @@ SED=sed
 AWK=awk
 
 # Fixup, Solaris and friends
-if [[ -d /usr/xpg4/bin ]]; then
+if [ -d /usr/xpg4/bin ]; then
 	SED=/usr/xpg4/bin/sed
 	AWK=/usr/xpg4/bin/awk
 	GREP=/usr/xpg4/bin/grep
-elif [[ -d /usr/bin/posix ]]; then
+elif [ -d /usr/bin/posix ]; then
 	SED=/usr/bin/posix/sed
 	AWK=/usr/bin/posix/awk
 	GREP=/usr/bin/posix/grep
 fi
 
-if command -v wget &>/dev/null; then
+if command -v wget >/dev/null 2>&1; then
     FETCH_CMD="wget -q -O"
-elif command -v curl &>/dev/null; then
+elif command -v curl >/dev/null 2>&1; then
     FETCH_CMD="curl -L -s -o"
 else
-    FETCH_CMD="foobar"
+    FETCH_CMD="curl-and-wget-not-found"
 fi
 
 # Fixup for sed and "illegal byte sequence"
-IS_DARWIN=$(uname -s 2>/dev/null | "$GREP" -i -c darwin)
-if [[ "$IS_DARWIN" -ne 0 ]]; then
+IS_DARWIN=`uname -s 2>&1 | "$GREP" -i -c darwin`
+if [ "$IS_DARWIN" -ne 0 ]; then
 	LC_ALL=C; export LC_ALL
 fi
 
@@ -75,30 +75,30 @@ fi
 mkdir -p m4 build-aux
 
 echo "Running aclocal"
-if ! aclocal &>/dev/null; then
+if ! aclocal >/dev/null 2>&1; then
 	echo "aclocal failed."
 	exit 1
 fi
 
 echo "Running autoupdate"
-if ! autoupdate &>/dev/null; then
+if ! autoupdate >/dev/null 2>&1; then
 	echo "autoupdate failed."
 	exit 1
 fi
 
 # Run autoreconf twice on failure. Also see
 # https://github.com/tracebox/tracebox/issues/57
 echo "Running autoreconf"
-if ! autoreconf --force --install &>/dev/null; then
+if ! autoreconf --force --install >/dev/null 2>&1; then
 	echo "autoreconf failed, running again."
-	if ! autoreconf --force --install; then
+	if ! autoreconf --force --install >/dev/null 2>&1; then
 		echo "autoreconf failed, again."
 		exit 1
 	fi
 fi
 
 # Create the configure script
-if ! autoconf; then
+if ! autoconf >/dev/null 2>&1; then
 	echo "autoconf failed."
 	exit 1
 fi
@@ -109,29 +109,33 @@ fi
 # https://www.gnu.org/software/gettext/manual/html_node/config_002eguess.html
 
 echo "Updating config.sub"
-${FETCH_CMD} config.sub.new 'https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub'
+if ${FETCH_CMD} config.sub.new \
+   'https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub' >/dev/null 2>&1; then
 
-# Solaris removes +w, can't overwrite
-chmod +w build-aux/config.sub
-mv config.sub.new build-aux/config.sub
-chmod +x build-aux/config.sub
+	# Solaris removes +w, can't overwrite
+	chmod +w build-aux/config.sub
+	mv config.sub.new build-aux/config.sub
+	chmod +x build-aux/config.sub
 
-if [[ "$IS_DARWIN" -ne 0 ]] && [[ -n $(command -v xattr 2>/dev/null) ]]; then
-	echo "Removing config.sub quarantine"
-	xattr -d "com.apple.quarantine" build-aux/config.sub &>/dev/null
+	if [ "$IS_DARWIN" -ne 0 ] && [ command -v xattr >/dev/null 2>&1 ]; then
+		echo "Removing config.sub quarantine"
+		xattr -d "com.apple.quarantine" build-aux/config.sub >/dev/null 2>&1
+	fi
 fi
 
 echo "Updating config.guess"
-${FETCH_CMD} config.guess.new 'https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess'
+if ${FETCH_CMD} config.guess.new \
+   'https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess' >/dev/null 2>&1; then
 
-# Solaris removes +w, can't overwrite
-chmod +w build-aux/config.guess
-mv config.guess.new build-aux/config.guess
-chmod +x build-aux/config.guess
+	# Solaris removes +w, can't overwrite
+	chmod +w build-aux/config.guess
+	mv config.guess.new build-aux/config.guess
+	chmod +x build-aux/config.guess
 
-if [[ "$IS_DARWIN" -ne 0 ]] && [[ -n $(command -v xattr 2>/dev/null) ]]; then
-	echo "Removing config.guess quarantine"
-	xattr -d "com.apple.quarantine" build-aux/config.guess &>/dev/null
+	if [ "$IS_DARWIN" -ne 0 ] && [ command -v xattr >/dev/null 2>&1 ]; then
+		echo "Removing config.guess quarantine"
+		xattr -d "com.apple.quarantine" build-aux/config.guess >/dev/null 2>&1
+	fi
 fi
 
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