Add option to list encrypted files

yadm

@@ -65,6 +65,9 @@ function main() {
         -f) #; used by init() and clone()
           FORCE="YES"
         ;;
+        -l) #; used by decrypt()
+          DO_LIST="YES"
+        ;;
         -w) #; used by init() and clone()
           if [[ ! "$2" =~ ^/ ]] ; then
             error_out "You must specify a fully qualified work tree"
@@ -194,10 +197,16 @@ function decrypt() {
 
   YADM_WORK=$(git config core.worktree)
 
+  if [ "$DO_LIST" == "YES" ] ; then
+    tar_option="t"
+  else
+    tar_option="x"
+  fi
+
   #; decrypt the archive
-  (gpg -d "$YADM_ARCHIVE" || echo 1) | tar xv -C "$YADM_WORK"
+  (gpg -d "$YADM_ARCHIVE" || echo 1) | tar v$tar_option -C "$YADM_WORK"
   if [ $? = 0 ] ; then
-    echo "All files decrypted."
+    [ ! "$DO_LIST" == "YES" ] && echo "All files decrypted."
   else
     error_out "Unable to extract encrypted files."
   fi
@@ -265,13 +274,14 @@ Commands:
   yadm list [-a]             - List tracked files
   yadm alt                   - Create links for alternates
   yadm encrypt               - Encrypt files
-  yadm decrypt               - Decrypt files
+  yadm decrypt [-l]          - Decrypt files
   yadm perms                 - Fix perms for private files
 
 Files:
   \$HOME/.yadm/config    - yadm's configuration file
   \$HOME/.yadm/repo.git  - yadm's Git repository
   \$HOME/.yadm/encrypt   - List of globs used for encrypt/decrypt
+  \$HOME/.yadm/files.gpg - Encrypted data stored here
 
 Use "man yadm" for complete documentation.
 EOF

yadm.1

@@ -36,6 +36,7 @@ list
 .BR yadm " encrypt
 
 .BR yadm " decrypt
+.RB [ -l ]
 
 .BR yadm " alt
 
@@ -136,6 +137,9 @@ Decrypt all files stored in
 Files decrypted will be relative to the configured
 .IR work-tree " (usually
 .IR $HOME ).
+Using the
+.B -l
+option will list the files stored without extracting them.
 .TP
 .B encrypt
 Encrypt all files matching the patterns found in

yadm.md

@@ -21,7 +21,7 @@
 
        yadm encrypt
 
-       yadm decrypt
+       yadm decrypt [-l]
 
        yadm alt
 
@@ -78,7 +78,8 @@
        decrypt
               Decrypt   all  files  stored  in  $HOME/.yadm/files.gpg.   Files
               decrypted will be relative to the configured work-tree  (usually
-              $HOME).
+              $HOME).   Using the -l option will list the files stored without
+              extracting them.
 
        encrypt
               Encrypt   all   files   matching   the   patterns    found    in