Add verbose option to 'git secret tell' showing output of key imports (#321)

* add 'git secret tell -v' option to show output of key imports
* add tests for tell with/without -v
* remove unneeded test code and bats diagnostic output

src/commands/git_secret_tell.sh

@@ -21,13 +21,16 @@ function tell {
   local emails
   local self_email=0
   local homedir
+  local verbose=0
 
   # A POSIX variable
   # Reset in case getopts has been used previously in the shell.
   OPTIND=1
 
-  while getopts "hmd:" opt; do
+  while getopts "vhmd:" opt; do
     case "$opt" in
+      v) verbose=1;;
+
       h) _show_manual_for "tell";;
 
       m) self_email=1;;
@@ -95,7 +98,13 @@ function tell {
     # Importing public key to the local keychain:
     local secrets_dir_keys
     secrets_dir_keys=$(_get_secrets_dir_keys)
-    $SECRETS_GPG_COMMAND --homedir "$secrets_dir_keys" --no-permission-warning --import "$keyfile" > /dev/null 2>&1
+
+    local args=( --homedir "$secrets_dir_keys" --no-permission-warning --import "$keyfile" )
+    if [[ "$verbose" -ne 0 ]]; then
+      $SECRETS_GPG_COMMAND "${args[@]}"
+    else
+      $SECRETS_GPG_COMMAND "${args[@]}" > /dev/null 2>&1
+    fi
     exit_code=$?
     if [[ "$exit_code" -ne 0 ]]; then
       _abort "problem importing public key for '$email' with gpg: exit code $exit_code"

tests/test_tell.bats

@@ -17,6 +17,25 @@ function teardown {
   unset_current_state
 }
 
+@test "run 'tell' with '-v'" {
+  run git secret tell -d "$TEST_GPG_HOMEDIR" -v "$TEST_DEFAULT_USER"
+  #echo "$output" | sed "s/^/# '$BATS_TEST_DESCRIPTION' output: /" >&3
+
+  [[ "$output" == *"created"* ]]
+  [[ "$output" == *"gpg:"* ]]
+  [[ "$output" == *"$TEST_DEFAULT_USER"* ]]
+  [ "$status" -eq 0 ]
+}
+
+@test "run 'tell' without '-v'" {
+  run git secret tell -d "$TEST_GPG_HOMEDIR"  "$TEST_DEFAULT_USER"
+  #echo "$output" | sed "s/^/# '$BATS_TEST_DESCRIPTION' output: /" >&3
+
+  [[ "$output" != *"imported:"* ]]
+  [[ "$output" == *"$TEST_DEFAULT_USER"* ]]
+  [ "$status" -eq 0 ]
+}
+
 @test "run 'tell' on substring of emails" {
   run git secret tell -d "$TEST_GPG_HOMEDIR" user
   # this should give an error because there is no user named 'user',