diff --git a/contrib/guix/guix-attest b/contrib/guix/guix-attest
index b0ef28dc3f9..3d70731cbdb 100755
--- a/contrib/guix/guix-attest
+++ b/contrib/guix/guix-attest
@@ -139,14 +139,6 @@ fi
 ##  Attest  ##
 ##############
 
-# Usage: out_name $outdir
-#
-#   HOST: The output directory being attested
-#
-out_name() {
-    basename "$(dirname "$1")"
-}
-
 shasum_already_exists() {
 cat <<EOF
 --
diff --git a/contrib/guix/guix-build b/contrib/guix/guix-build
index 767ea9208f6..1ab9cc7e455 100755
--- a/contrib/guix/guix-build
+++ b/contrib/guix/guix-build
@@ -85,14 +85,6 @@ export HOSTS="${HOSTS:-x86_64-linux-gnu arm-linux-gnueabihf aarch64-linux-gnu ri
                        x86_64-w64-mingw32
                        x86_64-apple-darwin arm64-apple-darwin}"
 
-# Usage: distsrc_for_host HOST
-#
-#   HOST: The current platform triple we're building for
-#
-distsrc_for_host() {
-    echo "${DISTSRC_BASE}/distsrc-${VERSION}-${1}"
-}
-
 # Accumulate a list of build directories that already exist...
 hosts_distsrc_exists=""
 for host in $HOSTS; do
@@ -244,18 +236,9 @@ SOURCE_DATE_EPOCH="${SOURCE_DATE_EPOCH:-$(git -c log.showSignature=false log --f
 
 # Precious directories are those which should not be cleaned between successive
 # guix builds
-depends_precious_dir_names='SOURCES_PATH BASE_CACHE SDK_PATH'
-precious_dir_names="${depends_precious_dir_names} OUTDIR_BASE PROFILES_BASE"
-
-# Usage: contains IFS-SEPARATED-LIST ITEM
-contains() {
-    for i in ${1}; do
-        if [ "$i" = "${2}" ]; then
-            return 0  # Found!
-        fi
-    done
-    return 1
-}
+depends_precious_dir_names="SOURCES_PATH BASE_CACHE SDK_PATH"
+base_dir_names="OUTDIR_BASE PROFILES_BASE"
+precious_dir_names="${depends_precious_dir_names} ${base_dir_names}"
 
 # If the user explicitly specified a precious directory, create it so we
 # can map it into the container
@@ -287,11 +270,9 @@ mkdir -p "$VAR_BASE"
          -- $(printf "print-%s\n" $depends_precious_dir_names)
 
     # Get remaining precious dir definitions from the environment
-    for precious_dir_name in $precious_dir_names; do
+    for precious_dir_name in $base_dir_names; do
         precious_dir_path="${!precious_dir_name}"
-        if ! contains "$depends_precious_dir_names" "$precious_dir_name"; then
-            echo "${precious_dir_name}=${precious_dir_path}"
-        fi
+        echo "${precious_dir_name}=${precious_dir_path}"
     done
 } > "${VAR_BASE}/precious_dirs"
 
@@ -305,22 +286,6 @@ for host in $HOSTS; do
     make -C "${PWD}/depends" -j"$JOBS" download-"$(host_to_commonname "$host")" ${V:+V=1} ${SOURCES_PATH:+SOURCES_PATH="$SOURCES_PATH"}
 done
 
-# Usage: outdir_for_host HOST SUFFIX
-#
-#   HOST: The current platform triple we're building for
-#
-outdir_for_host() {
-    echo "${OUTDIR_BASE}/${1}${2:+-${2}}"
-}
-
-# Usage: profiledir_for_host HOST SUFFIX
-#
-#   HOST: The current platform triple we're building for
-#
-profiledir_for_host() {
-    echo "${PROFILES_BASE}/${1}${2:+-${2}}"
-}
-
 
 #########
 # BUILD #
@@ -356,7 +321,6 @@ for host in $HOSTS; do
         # for the particular $HOST we're building for
         export HOST="$host"
 
-        # shellcheck disable=SC2030
 cat << EOF
 INFO: Building ${VERSION:?not set} for platform triple ${HOST:?not set}:
       ...using reference timestamp: ${SOURCE_DATE_EPOCH:?not set}
@@ -364,9 +328,9 @@ INFO: Building ${VERSION:?not set} for platform triple ${HOST:?not set}:
       ...from worktree directory: '${PWD}'
           ...bind-mounted in container to: '/bitcoin'
       ...in build directory: '$(distsrc_for_host "$HOST")'
-          ...bind-mounted in container to: '$(DISTSRC_BASE=/distsrc-base && distsrc_for_host "$HOST")'
+          ...bind-mounted in container to: '$(distsrc_for_host "$HOST" "" /distsrc-base)'
       ...outputting in: '$(outdir_for_host "$HOST")'
-          ...bind-mounted in container to: '$(OUTDIR_BASE=/outdir-base && outdir_for_host "$HOST")'
+          ...bind-mounted in container to: '$(outdir_for_host "$HOST" "" /outdir-base)'
       ADDITIONAL FLAGS (if set)
           ADDITIONAL_GUIX_COMMON_FLAGS: ${ADDITIONAL_GUIX_COMMON_FLAGS}
           ADDITIONAL_GUIX_ENVIRONMENT_FLAGS: ${ADDITIONAL_GUIX_ENVIRONMENT_FLAGS}
@@ -440,7 +404,7 @@ EOF
         #    Please read the README.md in the same directory as this file for
         #    more information.
         #
-        # shellcheck disable=SC2086,SC2031
+        # shellcheck disable=SC2086
         time-machine shell --manifest="${PWD}/contrib/guix/manifest_build.scm" \
                                  --container \
                                  --writable-root \
@@ -468,8 +432,8 @@ EOF
                                         ${SOURCES_PATH:+SOURCES_PATH="$SOURCES_PATH"} \
                                         ${BASE_CACHE:+BASE_CACHE="$BASE_CACHE"} \
                                         ${SDK_PATH:+SDK_PATH="$SDK_PATH"} \
-                                        DISTSRC="$(DISTSRC_BASE=/distsrc-base && distsrc_for_host "$HOST")" \
-                                        OUTDIR="$(OUTDIR_BASE=/outdir-base && outdir_for_host "$HOST")" \
+                                        DISTSRC="$(distsrc_for_host "$HOST" "" /distsrc-base)" \
+                                        OUTDIR="$(outdir_for_host "$HOST" "" /outdir-base)" \
                                         DIST_ARCHIVE_BASE=/outdir-base/dist-archive \
                                       bash -c "cd /bitcoin && bash contrib/guix/libexec/build.sh"
     )
diff --git a/contrib/guix/guix-codesign b/contrib/guix/guix-codesign
index 8c8682ddd0a..8cc6993b824 100755
--- a/contrib/guix/guix-codesign
+++ b/contrib/guix/guix-codesign
@@ -99,18 +99,10 @@ fi
 # Default to building for all supported HOSTs (overridable by environment)
 export HOSTS="${HOSTS:-x86_64-w64-mingw32 x86_64-apple-darwin arm64-apple-darwin}"
 
-# Usage: distsrc_for_host HOST
-#
-#   HOST: The current platform triple we're building for
-#
-distsrc_for_host() {
-    echo "${DISTSRC_BASE}/distsrc-${VERSION}-${1}-codesigned"
-}
-
 # Accumulate a list of build directories that already exist...
 hosts_distsrc_exists=""
 for host in $HOSTS; do
-    if [ -e "$(distsrc_for_host "$host")" ]; then
+    if [ -e "$(distsrc_for_host "$host" codesigned)" ]; then
         hosts_distsrc_exists+=" ${host}"
     fi
 done
@@ -134,7 +126,7 @@ packages cache, the garbage collector roots for Guix environments, and the
 output directory.
 EOF
 for host in $hosts_distsrc_exists; do
-    echo "     ${host} '$(distsrc_for_host "$host")'"
+    echo "     ${host} '$(distsrc_for_host "$host" codesigned)'"
 done
 exit 1
 else
@@ -146,22 +138,18 @@ fi
 # Codesigning tarballs SHOULD exist
 ################
 
-# Usage: outdir_for_host HOST SUFFIX
+# Usage: codesigning_tarball_for_host HOST [BASE]
 #
 #   HOST: The current platform triple we're building for
+#   BASE: Optional. If provided, replaces ${OUTDIR_BASE}
 #
-outdir_for_host() {
-    echo "${OUTDIR_BASE}/${1}${2:+-${2}}"
-}
-
-
 codesigning_tarball_for_host() {
     case "$1" in
         *mingw*)
-            echo "$(outdir_for_host "$1")/${DISTNAME}-win64-codesigning.tar.gz"
+            echo "$(outdir_for_host "$1" "" "$2")/${DISTNAME}-win64-codesigning.tar.gz"
             ;;
         *darwin*)
-            echo "$(outdir_for_host "$1")/${DISTNAME}-${1}-codesigning.tar.gz"
+            echo "$(outdir_for_host "$1" "" "$2")/${DISTNAME}-${1}-codesigning.tar.gz"
             ;;
         *)
             exit 1
@@ -232,14 +220,6 @@ SOURCE_DATE_EPOCH="${SOURCE_DATE_EPOCH:-$(git -c log.showSignature=false log --f
 OUTDIR_BASE="${OUTDIR_BASE:-${VERSION_BASE}/output}"
 mkdir -p "$OUTDIR_BASE"
 
-# Usage: profiledir_for_host HOST SUFFIX
-#
-#   HOST: The current platform triple we're building for
-#
-profiledir_for_host() {
-    echo "${PROFILES_BASE}/${1}${2:+-${2}}"
-}
-
 #########
 # BUILD #
 #########
@@ -274,16 +254,15 @@ for host in $HOSTS; do
         # for the particular $HOST we're building for
         export HOST="$host"
 
-        # shellcheck disable=SC2030
 cat << EOF
 INFO: Codesigning ${VERSION:?not set} for platform triple ${HOST:?not set}:
       ...using reference timestamp: ${SOURCE_DATE_EPOCH:?not set}
       ...from worktree directory: '${PWD}'
           ...bind-mounted in container to: '/bitcoin'
-      ...in build directory: '$(distsrc_for_host "$HOST")'
-          ...bind-mounted in container to: '$(DISTSRC_BASE=/distsrc-base && distsrc_for_host "$HOST")'
+      ...in build directory: '$(distsrc_for_host "$HOST" codesigned)'
+          ...bind-mounted in container to: '$(distsrc_for_host "$HOST" codesigned /distsrc-base)'
       ...outputting in: '$(outdir_for_host "$HOST" codesigned)'
-          ...bind-mounted in container to: '$(OUTDIR_BASE=/outdir-base && outdir_for_host "$HOST" codesigned)'
+          ...bind-mounted in container to: '$(outdir_for_host "$HOST" codesigned /outdir-base)'
       ...using detached signatures in: '${DETACHED_SIGS_REPO:?not set}'
           ...bind-mounted in container to: '/detached-sigs'
 EOF
@@ -340,7 +319,7 @@ EOF
         #    Please read the README.md in the same directory as this file for
         #    more information.
         #
-        # shellcheck disable=SC2086,SC2031
+        # shellcheck disable=SC2086
         time-machine shell --manifest="${PWD}/contrib/guix/manifest_codesign.scm" \
                                  --container \
                                  --writable-root \
@@ -364,11 +343,11 @@ EOF
                                         JOBS="$JOBS" \
                                         SOURCE_DATE_EPOCH="${SOURCE_DATE_EPOCH:?unable to determine value}" \
                                         ${V:+V=1} \
-                                        DISTSRC="$(DISTSRC_BASE=/distsrc-base && distsrc_for_host "$HOST")" \
-                                        OUTDIR="$(OUTDIR_BASE=/outdir-base && outdir_for_host "$HOST" codesigned)" \
+                                        DISTSRC="$(distsrc_for_host "$HOST" codesigned /distsrc-base)" \
+                                        OUTDIR="$(outdir_for_host "$HOST" codesigned /outdir-base)" \
                                         DIST_ARCHIVE_BASE=/outdir-base/dist-archive \
                                         DETACHED_SIGS_REPO=/detached-sigs \
-                                        CODESIGNING_TARBALL="$(OUTDIR_BASE=/outdir-base && codesigning_tarball_for_host "$HOST")" \
+                                        CODESIGNING_TARBALL="$(codesigning_tarball_for_host "$HOST" /outdir-base)" \
                                       bash -c "cd /bitcoin && bash contrib/guix/libexec/codesign.sh"
     )
 
diff --git a/contrib/guix/libexec/prelude.bash b/contrib/guix/libexec/prelude.bash
index 166675e8bf0..23852767897 100644
--- a/contrib/guix/libexec/prelude.bash
+++ b/contrib/guix/libexec/prelude.bash
@@ -2,10 +2,7 @@
 export LC_ALL=C
 set -e -o pipefail
 
-# shellcheck source=contrib/shell/realpath.bash
 source contrib/shell/realpath.bash
-
-# shellcheck source=contrib/shell/git-utils.bash
 source contrib/shell/git-utils.bash
 
 ################
@@ -80,6 +77,34 @@ time-machine() {
                       -- "$@"
 }
 
+# Usage: distsrc_for_host HOST [SUFFIX] [BASE]
+#
+#   HOST: The current platform triple we're building for
+#   SUFFIX: Optional. If provided, appended to the directory name as "-SUFFIX"
+#   BASE: Optional. If provided, replaces ${DISTSRC_BASE}
+#
+distsrc_for_host() {
+    echo "${3:-${DISTSRC_BASE}}/distsrc-${VERSION}-${1}${2:+-${2}}"
+}
+
+# Usage: outdir_for_host HOST [SUFFIX] [BASE]
+#
+#   HOST: The current platform triple we're building for
+#   SUFFIX: Optional. If provided, appended to the directory name as "-SUFFIX"
+#   BASE: Optional. If provided, replaces ${OUTDIR_BASE}
+#
+outdir_for_host() {
+    echo "${3:-${OUTDIR_BASE}}/${1}${2:+-${2}}"
+}
+
+# Usage: profiledir_for_host HOST [SUFFIX]
+#
+#   HOST: The current platform triple we're building for
+#   SUFFIX: Optional. If provided, appended to the directory name as "-SUFFIX"
+#
+profiledir_for_host() {
+    echo "${PROFILES_BASE}/${1}${2:+-${2}}"
+}
 
 ################
 # Set common variables