From 3339dc7f29540758f59e2c20462d99643a8d225e Mon Sep 17 00:00:00 2001
From: Your Name <you@example.com>
Date: Wed, 10 Feb 2021 15:32:50 -0500
Subject: Added bash completions

---
 Makefile   |  1 +
 bible.bash | 76 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 77 insertions(+)
 create mode 100644 bible.bash

diff --git a/Makefile b/Makefile
index f497ff4..fdbf13c 100644
--- a/Makefile
+++ b/Makefile
@@ -19,6 +19,7 @@ install: $(LIBRARY) $(EXECUTABLE)
 	install -m 644 libbible.h $(DESTDIR)$(PREFIX)/include/
 	install -d $(DESTDIR)$(PREFIX)/bin/
 	install -m 755 bible $(DESTDIR)$(PREFIX)/bin/
+	install -m 644 bible.bash `pkg-config --variable=completionsdir bash-completion`
 
 test: $(OBJECTS) testLibbible.o
 	$(CC) $(OBJECTS) testLibbible.o -o $@ $(LDFLAGS) `pkg-config $(LIBS) --libs` -lcppunit
diff --git a/bible.bash b/bible.bash
new file mode 100644
index 0000000..e614cbc
--- /dev/null
+++ b/bible.bash
@@ -0,0 +1,76 @@
+# bible(1) completion                                      -*- shell-script -*-
+
+# These are bash completions for the bible executable
+
+_bible()
+{
+    local cur prev words cword split
+    # -s splits option=value into option in $prev and value in $cur
+    # -n : keeps the colon from signifying the end of a token
+    _init_completion -s -n : || return
+    case $prev in
+        --module | -m | --set-default-module | --remove-module)
+            COMPREPLY=($(compgen -W "`bible --list-modules | tail -n+2 | awk '{print $1}'`" -- "$cur"))
+            return
+            ;;
+        --list-chapters)
+            # If we already have -m, use that. Else if a default is set, use that. Else, just return.
+            # Scan COMP_WORDS for -m or --module
+            mod="`grep -Po '(?<=\-m |\-\-module ).*?(?= )' <<< "${COMP_WORDS[@]}"`"
+            if [ -z "$mod" ]; then
+                # If we get here, then we need to set mod using the default module
+                mod="`bible --list-modules | grep '(default)' | awk '{print $1}'`"
+                if [ -z "$mod" ]; then
+                    # We tried.
+                    return
+                fi
+            fi
+            # Tricky because of spaces in names
+            books="`bible -m $mod --list-books | tail -n+2 | sed 's/^ //' | sed 's/ /\\\\ /g'`"
+            books="${books//\\ /___}"
+            COMPREPLY=()
+            for iter in $books; do
+                if [[ $iter =~ "___" ]]; then
+                    iter="\"${iter//___/ }\""
+                fi
+                if [[ $iter =~ ^$cur ]] || [[ $iter =~ ^\"$cur ]]; then
+                    COMPREPLY+=("$iter")
+                fi
+            done
+            return
+            ;;
+        --install-network)
+            # Use cur to first grab language, then module
+            if [[ $cur == *:* ]]; then
+                # We're working on the mod, not language
+                lang=`cut -d: -f1 <<< $cur`
+                COMPREPLY=($(compgen -W "`bible --list-installable | grep -Pzo '(?s)For language '$lang':.*?(?=For language)' | tail -n+2 | sed 's/ /'$lang':/' | tr -d '\000'`" -- "$cur"))
+            else
+                # We're working on the language, not mod
+                compopt -o nospace
+                COMPREPLY=($(compgen -W "`bible --list-installable | grep 'For language' | awk '{print $3}'`" -- "$cur"))
+            fi
+            __ltrim_colon_completions "$cur"
+            return
+            ;;
+        --install-zip)
+            _filedir '@(zip)'
+            return
+            ;;
+        --list-installable)
+            COMPREPLY=($(compgen -W "`bible --list-installable | grep 'For language' | sed 's/For language //' | cut -d: -f1`" -- "$cur"))
+            return
+            ;;
+        --help | --list-books | --omit-verse-numbers | --list-modules | --list-installable | -[ho])
+            return
+            ;;
+    esac
+
+    $split && return
+
+    if [[ $cur == -* ]]; then
+        COMPREPLY=($(compgen -W "`_parse_help "$1"`" -- "$cur"))
+        [[ ${COMPREPLY-} == *= ]] && compopt -o nospace
+    fi
+} &&
+    complete -F _bible bible
-- 
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