Added '-f' option to the `reveal` command.

This option allows to easily overwite existing giles with no prompt.
Also added documentation for the new option.

Closes #24

man/man1/git-secret-reveal.1.ronn

@@ -3,7 +3,7 @@ git-secret-reveal - decrypts all added files.
 
 ## SYNOPSIS
 
-    git secret reveal [-d dir] [-p password]
+    git secret reveal [-f] [-d dir] [-p password]
 
 
 ## DESCRIPTION
@@ -12,6 +12,7 @@ git-secret-reveal - decrypts all added files.
 
 ## OPTIONS
 
+    -f  - forces to overwrite exisiting files without prompt.
     -d  - specifies `--homedir` option for the `gpg`, basically use this option if your store your keys in a custom location.
     -p  - specifies password for noinput mode, adds `--passphrase` option for `gpg`.
     -h  - shows help.

src/commands/git_secret_reveal.sh

@@ -6,11 +6,14 @@ function reveal {
   OPTIND=1
   local homedir=""
   local passphrase=""
+  local force=0
 
-  while getopts "hd:p:" opt; do
+  while getopts "hfd:p:" opt; do
     case "$opt" in
       h) _show_manual_for "reveal";;
 
+      f) force=1;;
+
       p) passphrase=$OPTARG;;
 
       d) homedir=$OPTARG;;
@@ -26,7 +29,12 @@ function reveal {
   while read line; do
     local encrypted_filename=$(_get_encrypted_filename "$line")
 
-    local base="$SECRETS_GPG_COMMAND --use-agent -q --decrypt --yes"
+    local base="$SECRETS_GPG_COMMAND --use-agent -q --decrypt"
+
+    if [[ "$force" -eq 1 ]]; then
+      base="$base --yes"
+    fi
+
     if [[ ! -z "$homedir" ]]; then
       base="$base --homedir=$homedir"
     fi

tests/test_reveal.bats

@@ -42,6 +42,17 @@ function teardown {
 }
 
 
+@test "run 'reveal' with '-f'" {
+  rm -f "$FILE_TO_HIDE"
+
+  local password=$(test_user_password "$TEST_DEFAULT_USER")
+  run git secret reveal -f -d "$TEST_GPG_HOMEDIR" -p "$password"
+
+  [ "$status" -eq 0 ]
+  [ -f "$FILE_TO_HIDE" ]
+}
+
+
 @test "run 'reveal' with wrong password" {
   rm -f "$FILE_TO_HIDE"