tusing zsh hash function instead of command -v to check for bins in path, using plain 2>/dev/null redirection everywhere - tomb - the crypto undertaker
(HTM) git clone git://parazyd.org/tomb.git
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---
(DIR) commit da46cbcd3121a0d0e3a86d0e8c414ffd160cbfe1
(DIR) parent 982c7591f2c7dcf3d9d08fb1f1feff87a1e19c09
(HTM) Author: Jaromil <jaromil@dyne.org>
Date: Sun, 16 Nov 2014 11:37:30 +0100
using zsh hash function instead of command -v to check for bins in path, using plain 2>/dev/null redirection everywhere
Diffstat:
M tomb | 26 +++++++++++++-------------
1 file changed, 13 insertions(+), 13 deletions(-)
---
(DIR) diff --git a/tomb b/tomb
t@@ -733,7 +733,7 @@ _ensure_dependencies() {
# Check for required programs
for req in cryptsetup pinentry sudo gpg; do
- command -v $req >& - || {
+ hash $req 2>/dev/null || {
_failure "Missing required dependency ::1 command::. Please install it." $req }
done
t@@ -741,24 +741,24 @@ _ensure_dependencies() {
path+=(/sbin /usr/sbin) # zsh magic
# Which dd command to use
- command -v dcfldd >& - && DD=(dcfldd statusinterval=1)
+ hash dcfldd 2>/dev/null && DD=(dcfldd statusinterval=1)
# Which wipe command to use
- command -v wipe >& - && WIPE=(wipe -f -s)
+ hash wipe 2>/dev/null && WIPE=(wipe -f -s)
# Check for filesystem creation programs
- command -v mkfs.ext4 >& - && MKFS=(mkfs.ext4 -q -F -j -L)
+ hash mkfs.ext4 2>/dev/null && MKFS=(mkfs.ext4 -q -F -j -L)
# Check for steghide
- command -v steghide >& - || STEGHIDE=0
+ hash steghide 2>/dev/null || STEGHIDE=0
# Check for resize
- command -v e2fsck resize2fs >& - || RESIZER=0
+ hash e2fsck resize2fs 2>/dev/null || RESIZER=0
# Check for KDF auxiliary tools
- command -v tomb-kdb-pbkdf2 >& - || KDF=0
+ hash tomb-kdb-pbkdf2 2>/dev/null || KDF=0
# Check for Swish-E file content indexer
- command -v swish-e >& - || SWISH=0
+ hash swish-e 2>/dev/null || SWISH=0
# Check for QREncode for paper backups of keys
- command -v qrencode >& - || QRENCODE=0
+ hash qrencode 2>/dev/null || QRENCODE=0
}
# }}} - Commandline interaction
t@@ -1109,7 +1109,7 @@ EOF
# prints an array of ciphers available in gnupg (to encrypt keys)
list_gnupg_ciphers() {
# prints an error if GnuPG is not found
- which gpg >& - || _failure "gpg (GnuPG) is not found, Tomb cannot function without it."
+ which gpg 2>/dev/null || _failure "gpg (GnuPG) is not found, Tomb cannot function without it."
ciphers=(`gpg --version | awk '
BEGIN { ciphers=0 }
t@@ -2011,7 +2011,7 @@ BEGIN { main="" }
# index files in all tombs for search
# $1 is optional, to specify a tomb
index_tombs() {
- { command -v updatedb >& - } || {
+ { hash updatedb 2>/dev/null } || {
_failure "Cannot index tombs on this system: updatedb (mlocate) not installed." }
updatedbver=`updatedb --version | grep '^updatedb'`
t@@ -2033,7 +2033,7 @@ index_tombs() {
_success "Creating and updating search indexes."
# start the LibreOffice document converter if installed
- { command -v unoconv >& - } && {
+ { hash unoconv 2>/dev/null } && {
unoconv -l 2>/dev/null &
_verbose "unoconv listener launched."
sleep 1 }
t@@ -2131,7 +2131,7 @@ EOF
done
}
search_tombs() {
- { command -v locate >& - } || {
+ { hash locate 2>/dev/null } || {
_failure "Cannot index tombs on this system: updatedb (mlocate) not installed." }
updatedbver=`updatedb --version | grep '^updatedb'`