spm

Use the same environment variables as pass

diff --git a/README.pod b/README.pod
@@ -20,11 +20,11 @@ corresponding entry to STDOUT.
 
 =over 4
 
-=item TPM_STORE_DIR
+=item PASSWORD_STORE_DIR
 
 The storage directory (default: ~/.password-store).
 
-=item TPM_STORE_KEY
+=item PASSWORD_STORE_KEY
 
 GPG key to encrypt files with (default: self).
 

@@ -34,11 +34,11 @@ GPG key to encrypt files with (default: self).
 
 =over 4
 
-=item $TPM_STORE_DIR
+=item $PASSWORD_STORE_DIR
 
 The storage directory.
 
-=item $TPM_STORE_DIR/.gpg-id
+=item $PASSWORD_STORE_DIR/.gpg-id
 
 Provided for compatiblity with pass(1). Overwrites $TPM_STORE_KEY.
 

diff --git a/tpm b/tpm
@@ -7,16 +7,16 @@ umask 077
 ##
 
 GPG_OPTS="--quiet --yes --batch"
-STORE_DIR="${TPM_STORE_DIR:-${HOME}/.password-store}"
+STORE_DIR="${PASSWORD_STORE_DIR:-${HOME}/.password-store}"
 
 if [[ -r "${STORE_DIR}/.gpg-id" ]]; then
-  read -r TPM_STORE_KEY < "${STORE_DIR}/.gpg-id"
+  read -r PASSWORD_STORE_KEY < "${STORE_DIR}/.gpg-id"
 fi
 
-if [[ -z "${TPM_STORE_KEY}" ]]; then
+if [[ -z "${PASSWORD_STORE_KEY}" ]]; then
   GPG_OPTS="${GPG_OPTS} --default-recipient-self"
 else
-  GPG_OPTS="${GPG_OPTS} --recipient '${TPM_STORE_KEY}'"
+  GPG_OPTS="${GPG_OPTS} --recipient '${PASSWORD_STORE_KEY}'"
 fi
 
 ##