From df64f6c7d2a7121a6475ce653a1e2c5708ea589d Mon Sep 17 00:00:00 2001
From: Case Duckworth
Date: Mon, 2 Jan 2023 00:33:06 -0600
Subject: Add gencheckglob()

---
 vienna | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/vienna b/vienna
index 1a52a7d..3d6a4a3 100755
--- a/vienna
+++ b/vienna
@@ -266,10 +266,23 @@ filters() { # filters < INPUT
 
 ### Site building
 
+gencheckglob() { # gencheckglob PAGE...
+    ## Sanity check for PAGE(s)	in generating functions.
+    # When globbing is on, if no files matching the pattern exist then the shell
+    # thinks I want to work on a file named the literal glob.  Ugh.  This
+    # function checks for that weirdness.
+    #
+    # Returns success if there's more than one argument (i.e., the glob worked),
+    # or failure if there's one argument of the pattern *.$PAGE_RAW_EXT.
+    [ $# -gt 1 ] && return 0
+    [ "$1" = "*.$PAGE_RAW_EXT" ] && return 1
+}
+
 genpage() { # genpage PAGE...
     ## Compile PAGE(s) into $OUTD for publication.
     # Outputs a file of the format $OUTD/<PAGE>/index.html.
     test -f "$PAGE_TEMPLATE" || return 1
+    gencheckglob "$@" || set --
     for FILE; do
         log genpage "$FILE"
         outd="$OUTD/${FILE%.$PAGE_RAW_EXT}"
@@ -287,6 +300,7 @@ genlist() { # genlist PERITEM_FUNC TEMPLATE_FILE PAGE...
     tmpf="$TMPD/$1"
     shift 2 || return 2
     test -f "$template_file" || return 1
+    gencheckglob "$@" || { echo | expand "$template_file"; return; }
     for FILE; do
         log genlist "$peritem_func: $template_file: $FILE"
         LINK="$DOMAIN${DOMAIN:+/}${FILE%.$PAGE_RAW_EXT}"
-- 
cgit 1.4.1-21-gabe81