improvement: styles in theme file, and new exports

src/sh/config.sh

@@ -20,15 +20,16 @@ if [ -z "${ROOT:-}" ] || [ -z "${COLLECTION_LABELS:-}" ]; then
   err "Configuration is incomplete."
   exit 1
 fi
-SYNC_CMD=${SYNC_CMD:-echo 'Synchronization disabled'}
-DAY_START=${DAY_START:-8}
-DAY_END=${DAY_END:-18}
-ZI_DIR=${ZI_DIR:-/usr/share/zoneinfo/posix}
+export ROOT COLLECTION_LABELS
+export SYNC_CMD=${SYNC_CMD:-echo 'Synchronization disabled'}
+export DAY_START=${DAY_START:-8}
+export DAY_END=${DAY_END:-18}
+export ZI_DIR=${ZI_DIR:-/usr/share/zoneinfo/posix}
 if [ ! -d "$ZI_DIR" ]; then
   err "Could not determine time-zone information"
   exit 1
 fi
-OPEN=${OPEN:-open}
+export OPEN=${OPEN:-open}
 
 # Check and load required tools
 # - FZF:     Fuzzy finder `fzf``
@@ -39,14 +40,14 @@ OPEN=${OPEN:-open}
 # The presence of POSIX tools is not checked.
 
 if command -v "fzf" >/dev/null; then
-  FZF="fzf --black"
+  export FZF="fzf --black"
 else
   err "Did not find the command-line fuzzy finder fzf."
   exit 1
 fi
 
 if command -v "uuidgen" >/dev/null; then
-  UUIDGEN="uuidgen"
+  export UUIDGEN="uuidgen"
 else
   err "Did not find the uuidgen command."
   exit 1
@@ -58,8 +59,8 @@ elif command -v "batcat" >/dev/null; then
   CAT="batcat"
 fi
 CAT=${CAT:+$CAT --color=always --style=numbers --language=md}
-CAT=${CAT:-cat}
+export CAT=${CAT:-cat}
 
 if command -v "git" >/dev/null && [ -d "$ROOT/.git" ]; then
-  GIT="git -C $ROOT"
+  export GIT="git -C $ROOT"
 fi