From 9363e1fa91b23297f13d51139203baf5a0090fc0 Mon Sep 17 00:00:00 2001
From: rysiek <rysiek@example.org>
Date: Fri, 3 Nov 2017 10:38:46 -0200
Subject: \t is a GNU extension in sed regexes; fixed / use --color only when
 ls supports it

---
 lib/keyringer/actions/recipients |  4 +++-
 lib/keyringer/functions          | 11 +++++++++--
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/lib/keyringer/actions/recipients b/lib/keyringer/actions/recipients
index 3c18516..889f73e 100755
--- a/lib/keyringer/actions/recipients
+++ b/lib/keyringer/actions/recipients
@@ -38,7 +38,9 @@ elif [ "$COMMAND" == "edit" ]; then
     keyringer_exec git "$BASEDIR" add "$RECIPIENTS_FILE_BASE"
   else
     echo "Please specify one recipient to edit among the available:"
-    ls $RECIPIENTS | sed -e 's/^/\t/'
+    # \t is a GNU extension
+    # https://stackoverflow.com/questions/8400602/sed-replace-literal-tab
+    ls $RECIPIENTS | sed -e "`printf 's/^/\t/'`"
     exit 1
   fi
 else
diff --git a/lib/keyringer/functions b/lib/keyringer/functions
index e3f89d9..b1e2e08 100755
--- a/lib/keyringer/functions
+++ b/lib/keyringer/functions
@@ -537,7 +537,12 @@ function keyringer_show_actions {
 
 # Usage
 function keyringer_usage {
-  local keyrings="$(ls --color=never `dirname $CONFIG` | sed -e 's/config//' | xargs)"
+  # are we're using an `ls` that supports `--color`?
+  if ls --version 2>/dev/null; then
+    local keyrings="$(ls --color=never `dirname $CONFIG` | sed -e 's/config//' | xargs)"
+  else
+    local keyrings="$(ls `dirname $CONFIG` | sed -e 's/config//' | xargs)"
+  fi
 
   printf "Keyringer $KEYRINGER_VERSION\n"
   printf "Usage: keyringer <keyring> <action> [arguments]\n\n"
@@ -552,7 +557,9 @@ function keyringer_usage {
   if [ ! -z "$keyrings" ] && [ -z "$1" ]; then
     printf "\tinit <path> [remote]\n" $BASENAME
   fi
-  keyringer_show_actions | sed -e 's/^/\t/'
+  # \t is a GNU extension
+  # https://stackoverflow.com/questions/8400602/sed-replace-literal-tab
+  keyringer_show_actions | sed -e "`printf 's/^/\t/'`"
   printf "\n"
 }
 
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