diff --git a/contrib/gitian-descriptors/gitian-linux.yml b/contrib/gitian-descriptors/gitian-linux.yml
index b9817d2a3a..f4ff712509 100755
--- a/contrib/gitian-descriptors/gitian-linux.yml
+++ b/contrib/gitian-descriptors/gitian-linux.yml
@@ -168,18 +168,12 @@ script: |
   create_per-host_faketime_wrappers "${REFERENCE_DATETIME}"
   export PATH=${WRAP_DIR}:${PATH}
 
-  # Create the release tarball using (arbitrarily) the first host
-  ./autogen.sh
-  CONFIG_SITE=${BASEPREFIX}/$(echo "${HOSTS}" | awk '{print $1;}')/share/config.site ./configure --prefix=/
-  make dist
-  SOURCEDIST=$(echo dashcore-*.tar.gz)
-  DISTNAME=${SOURCEDIST/%.tar.gz}
-
-  # Workaround for tarball not building with the bare tag version (prep)
-  make -C src obj/build.h
+  # Create the git archive, and define DISTNAME and GIT_ARCHIVE variables.
+  # shellcheck source=contrib/gitian-descriptors/make_git_archive
+  source contrib/gitian-descriptors/make_git_archive
 
   ORIGPATH="$PATH"
-  # Extract the release tarball into a dir for each host and build
+  # Extract the git archive into a dir for each host and build
   for i in ${HOSTS}; do
     export PATH=${BASEPREFIX}/${i}/native/bin:${ORIGPATH}
     if [ "${i}" = "riscv64-linux-gnu" ]; then
@@ -193,13 +187,9 @@ script: |
     cd distsrc-${i}
     INSTALLPATH="${PWD}/installed/${DISTNAME}"
     mkdir -p ${INSTALLPATH}
-    tar --strip-components=1 -xf ../$SOURCEDIST
-
-    # Workaround for tarball not building with the bare tag version
-    echo '#!/bin/true' >share/genbuild.sh
-    mkdir src/obj
-    cp ../src/obj/build.h src/obj/
+    tar -xf $GIT_ARCHIVE
 
+    ./autogen.sh
     CONFIG_SITE=${BASEPREFIX}/${i}/share/config.site ./configure --prefix=/ --disable-maintainer-mode --disable-dependency-tracking ${CONFIGFLAGS} CFLAGS="${HOST_CFLAGS}" CXXFLAGS="${HOST_CXXFLAGS}" LDFLAGS="${HOST_LDFLAGS}"
     make ${MAKEOPTS}
     make ${MAKEOPTS} -C src check-security
@@ -211,14 +201,12 @@ script: |
     rm -rf ${DISTNAME}/lib/pkgconfig
     find ${DISTNAME}/bin -type f -executable -print0 | xargs -0 -n1 -I{} ../contrib/devtools/split-debug.sh {} {} {}.dbg
     find ${DISTNAME}/lib -type f -print0 | xargs -0 -n1 -I{} ../contrib/devtools/split-debug.sh {} {} {}.dbg
-    cp ../../README.md ${DISTNAME}/
+    cp ../README.md ${DISTNAME}/
     find ${DISTNAME} -not -name "*.dbg" | sort | tar --mtime="$REFERENCE_DATETIME" --no-recursion --mode='u+rw,go+r-w,a+X' --owner=0 --group=0 -c -T - | gzip -9n > ${OUTDIR}/${DISTNAME}-${i}.tar.gz
     find ${DISTNAME} -name "*.dbg" | sort | tar --mtime="$REFERENCE_DATETIME" --no-recursion --mode='u+rw,go+r-w,a+X' --owner=0 --group=0 -c -T - | gzip -9n > ${OUTDIR}/${DISTNAME}-${i}-debug.tar.gz
     cd ../../
     rm -rf distsrc-${i}
   done
-  mkdir -p ${OUTDIR}/src
-  git archive --output=${OUTDIR}/src/${DISTNAME}.tar.gz HEAD
 
   # Compress ccache (otherwise the assert file will get too huge)
   if [ "$CCACHE_DIR" != "" ]; then
diff --git a/contrib/gitian-descriptors/gitian-osx.yml b/contrib/gitian-descriptors/gitian-osx.yml
index 6d7a492c8f..b73cd703b3 100644
--- a/contrib/gitian-descriptors/gitian-osx.yml
+++ b/contrib/gitian-descriptors/gitian-osx.yml
@@ -122,31 +122,21 @@ script: |
   create_per-host_faketime_wrappers "${REFERENCE_DATETIME}"
   export PATH=${WRAP_DIR}:${PATH}
 
-  # Create the release tarball using (arbitrarily) the first host
-  ./autogen.sh
-  CONFIG_SITE=${BASEPREFIX}/$(echo "${HOSTS}" | awk '{print $1;}')/share/config.site ./configure --prefix=/
-  make dist
-  SOURCEDIST=$(echo dashcore-*.tar.gz)
-  DISTNAME=${SOURCEDIST/%.tar.gz}
-
-  # Workaround for tarball not building with the bare tag version (prep)
-  make -C src obj/build.h
+  # Create the git archive, and define DISTNAME and GIT_ARCHIVE variables.
+  # shellcheck source=contrib/gitian-descriptors/make_git_archive
+  source contrib/gitian-descriptors/make_git_archive
 
   ORIGPATH="$PATH"
-  # Extract the release tarball into a dir for each host and build
+  # Extract the git archive into a dir for each host and build
   for i in ${HOSTS}; do
     export PATH=${BASEPREFIX}/${i}/native/bin:${ORIGPATH}
     mkdir -p distsrc-${i}
     cd distsrc-${i}
     INSTALLPATH="${PWD}/installed/${DISTNAME}"
     mkdir -p ${INSTALLPATH}
-    tar --strip-components=1 -xf ../$SOURCEDIST
-
-    # Workaround for tarball not building with the bare tag version
-    echo '#!/bin/true' >share/genbuild.sh
-    mkdir src/obj
-    cp ../src/obj/build.h src/obj/
+    tar -xf $GIT_ARCHIVE
 
+    ./autogen.sh
     CONFIG_SITE=${BASEPREFIX}/${i}/share/config.site ./configure --prefix=/ --disable-maintainer-mode --disable-dependency-tracking ${CONFIGFLAGS}
     make ${MAKEOPTS}
     make -C src osx_debug
@@ -177,9 +167,6 @@ script: |
     find ${DISTNAME} -path '*.dSYM*' | sort | tar --mtime="$REFERENCE_DATETIME" --no-recursion --mode='u+rw,go+r-w,a+X' --owner=0 --group=0 -c -T - | gzip -9n > ${OUTDIR}/${DISTNAME}-${i}-debug.tar.gz
     cd ../../
   done
-  mkdir -p ${OUTDIR}/src
-  git archive --output=${OUTDIR}/src/${DISTNAME}.tar.gz HEAD
-
   mv ${OUTDIR}/${DISTNAME}-x86_64-apple-darwin19.tar.gz ${OUTDIR}/${DISTNAME}-osx64.tar.gz
   mv ${OUTDIR}/${DISTNAME}-x86_64-apple-darwin19-debug.tar.gz ${OUTDIR}/${DISTNAME}-osx64-debug.tar.gz
 
diff --git a/contrib/gitian-descriptors/gitian-win.yml b/contrib/gitian-descriptors/gitian-win.yml
index 8c17304aee..658badbcde 100755
--- a/contrib/gitian-descriptors/gitian-win.yml
+++ b/contrib/gitian-descriptors/gitian-win.yml
@@ -101,7 +101,6 @@ script: |
   function create_per-host_compiler_wrapper {
   # -posix variant is required for c++11 threading.
   for i in $HOSTS; do
-    mkdir -p ${WRAP_DIR}/${i}
     for prog in gcc g++; do
         echo '#!/usr/bin/env bash' > ${WRAP_DIR}/${i}-${prog}
         echo "# GCCVERSION=${GCCVERSION}" >> ${WRAP_DIR}/${i}-${prog}
@@ -110,7 +109,6 @@ script: |
         echo "# $(${prog} --version | head -1)" >> ${WRAP_DIR}/${i}-${prog}
         echo "export LD_PRELOAD='/usr/\$LIB/faketime/libfaketime.so.1'" >> ${WRAP_DIR}/${i}-${prog}
         echo "export FAKETIME=\"$1\"" >> ${WRAP_DIR}/${i}-${prog}
-        echo "export COMPILER_PATH=${WRAP_DIR}/${i}" >> ${WRAP_DIR}/${i}-${prog}
         echo "\$REAL \$@" >> $WRAP_DIR/${i}-${prog}
         chmod +x ${WRAP_DIR}/${i}-${prog}
         touch -d "${REFERENCE_DATETIME}" ${WRAP_DIR}/${i}-${prog}
@@ -139,37 +137,27 @@ script: |
   create_per-host_compiler_wrapper "${REFERENCE_DATETIME}"
   export PATH=${WRAP_DIR}:${PATH}
 
-  # Create the release tarball using (arbitrarily) the first host
-  ./autogen.sh
-  CONFIG_SITE=${BASEPREFIX}/$(echo "${HOSTS}" | awk '{print $1;}')/share/config.site ./configure --prefix=/
-  make dist
-  SOURCEDIST=$(echo dashcore-*.tar.gz)
-  DISTNAME=${SOURCEDIST/%.tar.gz}
-
-  # Workaround for tarball not building with the bare tag version (prep)
-  make -C src obj/build.h
+  # Create the git archive, and define DISTNAME and GIT_ARCHIVE variables.
+  # shellcheck source=contrib/gitian-descriptors/make_git_archive
+  source contrib/gitian-descriptors/make_git_archive
 
   ORIGPATH="$PATH"
-  # Extract the release tarball into a dir for each host and build
+  # Extract the git archive into a dir for each host and build
   for i in ${HOSTS}; do
     export PATH=${BASEPREFIX}/${i}/native/bin:${ORIGPATH}
     mkdir -p distsrc-${i}
     cd distsrc-${i}
     INSTALLPATH="${PWD}/installed/${DISTNAME}"
     mkdir -p ${INSTALLPATH}
-    tar --strip-components=1 -xf ../$SOURCEDIST
-
-    # Workaround for tarball not building with the bare tag version
-    echo '#!/bin/true' >share/genbuild.sh
-    mkdir src/obj
-    cp ../src/obj/build.h src/obj/
+    tar -xf $GIT_ARCHIVE
 
+    ./autogen.sh
     CONFIG_SITE=${BASEPREFIX}/${i}/share/config.site ./configure --prefix=/ --disable-maintainer-mode --disable-dependency-tracking ${CONFIGFLAGS} CFLAGS="${HOST_CFLAGS}" CXXFLAGS="${HOST_CXXFLAGS}"
     make ${MAKEOPTS}
     make ${MAKEOPTS} -C src check-security
     make deploy
     make install DESTDIR=${INSTALLPATH}
-    cp -f --target-directory="${OUTDIR}" ./bitcoin-*-setup-unsigned.exe
+    cp -f ./bitcoin-*-win64-setup-unsigned.exe ${OUTDIR}/${DISTNAME}-win64-setup-unsigned.exe
     cd installed
     mv ${DISTNAME}/bin/*.dll ${DISTNAME}/lib/
     find . -name "lib*.la" -delete
@@ -184,13 +172,10 @@ script: |
     rm -rf distsrc-${i}
   done
 
-  mkdir -p ${OUTDIR}/src
-  git archive --output=${OUTDIR}/src/${DISTNAME}.tar.gz HEAD
-
   cp -rf contrib/windeploy $BUILD_DIR
   cd $BUILD_DIR/windeploy
   mkdir unsigned
-  cp $OUTDIR/dashcore-*setup-unsigned.exe unsigned/
+  cp ${OUTDIR}/${DISTNAME}-win64-setup-unsigned.exe unsigned/
   find . | sort | tar --mtime="$REFERENCE_DATETIME" --no-recursion --mode='u+rw,go+r-w,a+X' --owner=0 --group=0 -c -T - | gzip -9n > ${OUTDIR}/${DISTNAME}-win-unsigned.tar.gz
 
   # Compress ccache (otherwise the assert file will get too huge)
diff --git a/contrib/gitian-descriptors/make_git_archive b/contrib/gitian-descriptors/make_git_archive
new file mode 100755
index 0000000000..d922c94c60
--- /dev/null
+++ b/contrib/gitian-descriptors/make_git_archive
@@ -0,0 +1,20 @@
+# Copyright (c) 2020 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+#
+# A helper script to be sourced into the gitian descriptors
+
+mkdir -p ${OUTDIR}/src
+RECENT_TAG=$(git describe --abbrev=0 HEAD)
+if [ $RECENT_TAG = $(git describe HEAD) ]; then
+  if [[ $RECENT_TAG == v* ]]; then
+    VERSION=${RECENT_TAG:1}
+  else
+    VERSION=$RECENT_TAG
+  fi
+else
+  VERSION=$(git rev-parse --short HEAD)
+fi
+DISTNAME=bitcoin-${VERSION}
+GIT_ARCHIVE="${OUTDIR}/src/${DISTNAME}.tar.gz"
+git archive --output=$GIT_ARCHIVE HEAD
diff --git a/share/genbuild.sh b/share/genbuild.sh
index cd6214d5fa..a5a561878a 100755
--- a/share/genbuild.sh
+++ b/share/genbuild.sh
@@ -18,13 +18,9 @@ else
     exit 1
 fi
 
-git_check_in_repo() {
-    ! { git status --porcelain -uall --ignored "$@" 2>/dev/null || echo '??'; } | grep -q '?'
-}
-
 DESC=""
 SUFFIX=""
-if [ "${BITCOIN_GENBUILD_NO_GIT}" != "1" ] && [ -e "$(command -v git)" ] && [ "$(git rev-parse --is-inside-work-tree 2>/dev/null)" = "true" ] && git_check_in_repo share/genbuild.sh; then
+if [ "${BITCOIN_GENBUILD_NO_GIT}" != "1" ] && [ -e "$(command -v git)" ] && [ "$(git rev-parse --is-inside-work-tree 2>/dev/null)" = "true" ]; then
     # clean 'dirty' status of touched files that haven't been modified
     git diff >/dev/null 2>/dev/null
 
diff --git a/test/lint/lint-shell.sh b/test/lint/lint-shell.sh
index def78bcb92..262ac27379 100755
--- a/test/lint/lint-shell.sh
+++ b/test/lint/lint-shell.sh
@@ -56,15 +56,17 @@ if ! command -v jq > /dev/null; then
 fi
 
 EXCLUDE_GITIAN=${EXCLUDE}",$(IFS=','; echo "${disabled_gitian[*]}")"
+SHELLCHECK_CMD="shellcheck --external-sources --check-sourced $EXCLUDE_GITIAN"
 for descriptor in $(git ls-files -- 'contrib/gitian-descriptors/*.yml')
 do
-    echo
-    echo "$descriptor"
+    script=$(basename "$descriptor")
     # Use #!/bin/bash as gitian-builder/bin/gbuild does to complete a script.
-    SCRIPT=$'#!/bin/bash\n'$(yq -r .script "$descriptor")
-    if ! echo "$SCRIPT" | shellcheck "$EXCLUDE_GITIAN" -; then
+    echo "#!/bin/bash" > $script
+    yq -r .script "$descriptor" >> $script
+    if ! $SHELLCHECK_CMD $script; then
         EXIT_CODE=1
     fi
+    rm $script
 done
 
 exit $EXIT_CODE