From 9dec371efa2f4f943bdd660618a0e1d91b6cfb4a Mon Sep 17 00:00:00 2001
From: Federico Kircheis <federico.kircheis@gmail.com>
Date: Tue, 2 Jul 2019 21:02:36 +0200
Subject: [PATCH] Exit in case `cd` fails

---
 lib/src_fetch.cygpart |  2 +-
 lib/src_prep.cygpart  | 14 +++++++-------
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/lib/src_fetch.cygpart b/lib/src_fetch.cygpart
index a273045..acea3a6 100644
--- a/lib/src_fetch.cygpart
+++ b/lib/src_fetch.cygpart
@@ -156,7 +156,7 @@ __src_fetch() {
 	done
 
 	# the RCS_fetch functions change PWD
-	cd ${top};
+	cd ${top} || error "Unable to cd to ${top}"
 
 	for uri in ${SRC_URI} ${PATCH_URI}
 	do
diff --git a/lib/src_prep.cygpart b/lib/src_prep.cygpart
index 80ba8d5..fb99bfd 100644
--- a/lib/src_prep.cygpart
+++ b/lib/src_prep.cygpart
@@ -189,7 +189,7 @@ __gpg_verify() {
 }
 
 __mkdirs() {
-	cd ${top};
+	cd ${top} || error "Unable to cd to ${top}";
 	mkdir -p ${srcdir} ${origsrcdir} ${B} ${D} ${T} ${configdir} ${logdir} ${distdir} ${patchdir} ${spkgdir};
 }
 
@@ -286,7 +286,7 @@ __src_prep() {
 	local tar_patch;
 	local n=1;
 
-	cd ${top};
+	cd ${top} || error "Unable to cd to ${top}";
 
 	__mkdirs;
 
@@ -345,7 +345,7 @@ __src_prep() {
 		__gpg_verify ${top}/${src_patchfile} "SOURCE PATCH";
 	fi
 
-	cd ${origsrcdir};
+	cd ${origsrcdir} || error "Unable to cd to ${origsrcdir}";
 
 	for src_pkg in ${_src_orig_pkgs}
 	do
@@ -377,7 +377,7 @@ __src_prep() {
 
 	# cd will fail if not executable (e.g. dot2tex)
 	chmod +x ${origsrcdir}/${SRC_DIR};
-	cd ${origsrcdir}/${SRC_DIR};
+	cd ${origsrcdir}/${SRC_DIR} || error "Unable to cd to ${origsrcdir}/${SRC_DIR}";
 
 #****v* Preparation/DISTCLEANFILES
 #  DESCRIPTION
@@ -404,7 +404,7 @@ __src_prep() {
 	if __check_function src_unpack_hook
 	then
 		__check_unstable src_unpack_hook;
-		cd ${origsrcdir}/${SRC_DIR};
+		cd ${origsrcdir}/${SRC_DIR} | error "Unable to cd to ${origsrcdir}/${SRC_DIR}";
 	fi
 
 	for src_patch in ${_src_orig_patches}
@@ -446,7 +446,7 @@ __src_prep() {
 	if __check_function src_patch_hook
 	then
 		__check_unstable src_patch_hook;
-		cd ${origsrcdir}/${SRC_DIR};
+		cd ${origsrcdir}/${SRC_DIR} || error "Unable to cd to ${origsrcdir}/${SRC_DIR}";
 	fi
 
 	__step "Preparing working source directory";
@@ -456,7 +456,7 @@ __src_prep() {
 	mkdir -p ${C};
 	ln -sfn ${C} ${workdir}/CYGWIN-PATCHES;
 
-	cd ${S};
+	cd ${S} || error "Unable to cd to ${S}";
 
 	if [ -f ${top}/${cygwin_patchfile} ]
 	then
-- 
2.26.2