From 043d10573c707128b186e3b6755c2bf9478010b6 Mon Sep 17 00:00:00 2001
From: Kyle Meyer <kyle@kyleam.com>
Date: Fri, 4 Sep 2015 23:28:51 -0400
Subject: bog-create-combined-bib: Add option to avoid prompt

---
 NEWS   | 12 ++++++++++++
 bog.el | 25 ++++++++++++++++++-------
 2 files changed, 30 insertions(+), 7 deletions(-)

diff --git a/NEWS b/NEWS
index 9b6b507..d55a33c 100644
--- a/NEWS
+++ b/NEWS
@@ -2,11 +2,23 @@
 
 * master (unreleased)
 
+** New features
+
+- New option ~bog-combined-bib-ignore-not-found~ controls whether
+  ~bog-create-combined-bib~ prompts to continue when a citekey's bib
+  file is missing.  With a prefix argument to
+  ~bog-create-combined-bib~, the meaning of this option is reversed.
+
 ** Other changes
 
 - ~bog-search-notes~ and ~bog-search-notes-for-citekey~ now ignore any
   agenda restriction locks.
 
+- In Dired, ~bog-create-combined-bib~ now always acts on the marked
+  files (or, if there are none, the one at point) regardless of the
+  prefix argument, which is no longer interpreted by
+  ~dired-get-marked-files~.
+
 * v1.0.0
 
 ** New features
diff --git a/bog.el b/bog.el
index 57dad92..7ba1d11 100644
--- a/bog.el
+++ b/bog.el
@@ -157,6 +157,13 @@ This is only meaningful if `bog-find-citekey-bib-func' set to
   :type '(choice (const :tag "Don't use single file" nil)
                  (file :tag "Single file")))
 
+(defcustom bog-combined-bib-ignore-not-found nil
+  "Whether `bog-create-combined-bib' ignores missing bib files.
+If non-nil, `bog-create-combined-bib' does not ask whether to
+continue when a citekey's bib file is not found."
+  :group 'bog
+  :type 'boolean)
+
 (defcustom bog-citekey-file-name-separators "[-_]"
   "Regular expression matching separators in file names.
 When `bog-find-citekey-file' is run on <citekey>, it will find
@@ -773,10 +780,12 @@ one entry per BibTeX file."
 ;;;###autoload
 (defun bog-create-combined-bib (&optional arg)
   "Create a buffer that has entries for a collection of citekeys.
-If in Dired, collect citekeys from marked (or next ARG) files.
-Otherwise, collect citekeys the current buffer."
-  (interactive "p")
-  (setq arg (and current-prefix-arg arg))
+If in Dired, collect citekeys from marked files.  Otherwise,
+collect citekeys the current buffer.  With prefix argument ARG,
+reverse the meaning of `bog-combined-bib-ignore-not-found'."
+  (interactive (list (if current-prefix-arg
+                         (not bog-combined-bib-ignore-not-found)
+                       bog-combined-bib-ignore-not-found)))
   (let ((bib-buffer-name "*Bog combined bib*")
         citekeys
         citekey-bibs)
@@ -784,7 +793,7 @@ Otherwise, collect citekeys the current buffer."
       (if (derived-mode-p 'dired-mode)
           (setq citekeys
                 (delete-dups (cl-mapcan #'bog-citekeys-in-file
-                                        (dired-get-marked-files nil arg))))
+                                        (dired-get-marked-files))))
         (setq citekeys (bog-citekeys-in-buffer))))
     (setq citekeys (sort citekeys #'string-lessp))
     (setq citekey-bibs
@@ -798,8 +807,10 @@ Otherwise, collect citekeys the current buffer."
           (insert "\n")
           (insert-file-contents (cdr citekey-bib))
           (goto-char (point-max)))
-         ((not (y-or-n-p (format "No BibTeX entry found for %s.  Skip it?"
-                                 (car citekey-bib))))
+         ((or arg
+              (y-or-n-p (format "No BibTeX entry found for %s.  Skip it?"
+                                (car citekey-bib)))))
+         (t
           (kill-buffer bib-buffer-name)
           (user-error "Aborting"))))
       (bibtex-mode)
-- 
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