tClarify code and documentation (thanks @boyska) - tomb - the crypto undertaker
 (HTM) git clone git://parazyd.org/tomb.git
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       ---
 (DIR) commit 8aa1c0c6a5d98f19f76ca9737ee7d136a9d13fa5
 (DIR) parent 2194023287ab60ea02f8680b9e256096e5e7f797
 (HTM) Author: hellekin <hellekin@dyne.org>
       Date:   Sat, 21 Feb 2015 23:03:29 -0300
       
       Clarify code and documentation (thanks @boyska)
       
       Diffstat:
         M tomb                                |      12 +++++++++---
       
       1 file changed, 9 insertions(+), 3 deletions(-)
       ---
 (DIR) diff --git a/tomb b/tomb
       t@@ -278,7 +278,7 @@ _tmp_create() {
            return 0
        }
        
       -# Check if a block device is encrypted
       +# Check if a *block* device is encrypted
        # Synopsis: _is_encrypted_block /path/to/block/device
        # Return 0 if it is an encrypted block device
        _is_encrypted_block() {
       t@@ -288,7 +288,7 @@ _is_encrypted_block() {
            # Issue #163
            # lsblk --inverse appeared in util-linux 2.22
            # but --version is not consistent...
       -    lsblk --help | grep -q '\-\-inverse'
       +    lsblk --help | grep -Fq -- --inverse
            [[ $? -eq 0 ]] && s="--inverse"
        
            sudo lsblk $s -o type -n $b 2>/dev/null \
       t@@ -314,7 +314,13 @@ _ensure_safe_swap() {
        
            _message "An active swap partition is detected..."
            for s in $=swaps; do
       -        { _is_encrypted_block $s } && { r=2 } || { r=1; break }
       +        { _is_encrypted_block $s } && { r=2 } || {
       +            # We're dealing with unencrypted stuff.
       +            # Maybe it lives on an encrypted filesystem anyway.
       +            # @todo: verify it's actually on an encrypted FS (see #163 and !189)
       +            # Well, no: bail out.
       +            r=1; break
       +        }
            done
        
            if [[ $r -eq 2 ]]; then