diff --git a/support/download/cvs b/support/download/cvs
index 06b8647..e4c1f32 100755
--- a/support/download/cvs
+++ b/support/download/cvs
@@ -11,8 +11,8 @@ set -e
 #   $4: package's basename (eg. foobar-1.2.3)
 #   $5: output file
 # And this environment:
-#   CVS       : the cvs command to call
-#   BR2_DL_DIR: path to Buildroot's download dir
+#   CVS      : the cvs command to call
+#   BUILD_DIR: path to Buildroot's build dir
 
 repo="${1}"
 rev="${2}"
@@ -20,8 +20,14 @@ rawname="${3}"
 basename="${4}"
 output="${5}"
 
-cd "${BR2_DL_DIR}"
+repodir="${basename}.tmp-cvs-checkout"
+
+cd "${BUILD_DIR}"
+# Remove leftovers from a previous failed run
+rm -rf "${repodir}" "${output}.tmp"
+
 ${CVS} -z3 -d":pserver:anonymous@${repo}" \
-       co -d "${basename}" -r ":${rev}" -P "${rawname}"
-tar czf "${output}" "${basename}"
-rm -rf "${basename}"
+       co -d "${repodir}" -r ":${rev}" -P "${rawname}"
+tar czf "${output}.tmp" "${repodir}"
+mv "${output}.tmp" "${output}"
+rm -rf "${repodir}"
diff --git a/support/download/git b/support/download/git
index 96db3a9..5ba26fb 100755
--- a/support/download/git
+++ b/support/download/git
@@ -10,15 +10,19 @@ set -e
 #   $3: package's basename (eg. foobar-1.2.3)
 #   $4: output file
 # And this environment:
-#   BR2_DL_DIR: path to Buildroot's download dir
-#   GIT       : the git command to call
+#   GIT      : the git command to call
+#   BUILD_DIR: path to Buildroot's build dir
 
 repo="${1}"
 cset="${2}"
 basename="${3}"
 output="${4}"
 
-repodir="${BR2_DL_DIR}/${basename}"
+repodir="${basename}.tmp-git-checkout"
+
+cd "${BUILD_DIR}"
+# Remove leftovers from a previous failed run
+rm -rf "${repodir}" "${output}.tmp" "${output}.tmp2"
 
 if [ -n "$(${GIT} ls-remote "${repo}" "${cset}" 2>&1)" ]; then
     printf "Doing shallow clone\n"
@@ -30,8 +34,8 @@ fi
 
 pushd "${repodir}"
 ${GIT} archive --prefix="${basename}/" -o "${output}.tmp" --format=tar "${cset}"
-gzip -c "${output}.tmp" >"${output}"
-rm -f "${output}.tmp"
+gzip -c "${output}.tmp" >"${output}.tmp2"
+mv "${output}.tmp2" "${output}"
 popd
 
-rm -rf "${repodir}"
+rm -rf "${repodir}" "${output}.tmp"
diff --git a/support/download/hg b/support/download/hg
index 70b49cf..d96a0c5 100755
--- a/support/download/hg
+++ b/support/download/hg
@@ -10,16 +10,22 @@ set -e
 #   $3: package's basename (eg. foobar-1.2.3)
 #   $4: output file
 # And this environment:
-#   HG        : the hg command to call
-#   BR2_DL_DIR: path to Buildroot's download dir
+#   HG       : the hg command to call
+#   BUILD_DIR: path to Buildroot's build dir
 
 repo="${1}"
 cset="${2}"
 basename="${3}"
 output="${4}"
 
-cd "${BR2_DL_DIR}"
-${HG} clone --noupdate --rev "${cset}" "${repo}" "${basename}"
-${HG} archive --repository "${basename}" --type tgz --prefix "${basename}" \
-              --rev "${cset}" "${output}"
-rm -rf "${basename}"
+repodir="${basename}.tmp-hg-checkout"
+
+cd "${BUILD_DIR}"
+# Remove leftovers from a previous failed run
+rm -rf "${repodir}" "${output}.tmp"
+
+${HG} clone --noupdate --rev "${cset}" "${repo}" "${repodir}"
+${HG} archive --repository "${repodir}" --type tgz --prefix "${basename}" \
+              --rev "${cset}" "${output}.tmp"
+mv "${output}.tmp" "${output}"
+rm -rf "${repodir}"
diff --git a/support/download/svn b/support/download/svn
index c3ab32c..073709f 100755
--- a/support/download/svn
+++ b/support/download/svn
@@ -10,16 +10,21 @@ set -e
 #   $3: package's basename (eg. foobar-1.2.3)
 #   $4: output file
 # And this environment:
-#   SVN       : the svn command to call
-#   BR2_DL_DIR: path to Buildroot's download dir
+#   SVN      : the svn command to call
+#   BUILD_DIR: path to Buildroot's build dir
 
 repo="${1}"
 rev="${2}"
 basename="${3}"
 output="${4}"
 
-pushd "${BR2_DL_DIR}"
-${SVN} export -r "${rev}" "${repo}" "${basename}"
-tar czf "${output}" "${basename}"
-rm -rf "${basename}"
-popd
+repodir="${basename}.tmp-svn-checkout"
+
+cd "${BUILD_DIR}"
+# Remove leftovers from a previous failed run
+rm -rf "${repodir}" "${output}.tmp"
+
+${SVN} export -r "${rev}" "${repo}" "${repodir}"
+tar czf "${output}.tmp" "${repodir}"
+mv "${output}.tmp" "${output}"
+rm -rf "${repodir}"
diff --git a/support/download/wget b/support/download/wget
index 7865517..7c941e4 100755
--- a/support/download/wget
+++ b/support/download/wget
@@ -8,14 +8,17 @@ set -e
 #   $1: URL
 #   $2: output file
 # And this environment:
-#   WGET      : the wget command to call
+#   WGET     : the wget command to call
 
 url="${1}"
 output="${2}"
 
+# Remove leftovers from a previous failed run
+rm -rf "${output}.tmp"
+
 if ${WGET} -O "${output}.tmp" "${url}"; then
     mv "${output}.tmp" "${output}"
 else
-    rm -f "${output}.tmp"
+    rm -f "${tmpfile}"
     exit 1
 fi
