In /usr/bin/debrelease line 26:
PROGNAME=`basename $0`
         ^-----------^ SC2006: Use $(...) notation instead of legacy backticked `...`.
                   ^-- SC2086: Double quote to prevent globbing and word splitting.

Did you mean: 
PROGNAME=$(basename "$0")


In /usr/bin/debrelease line 83:
DEFAULT_DEBRELEASE_UPLOADER=dupload
^-------------------------^ SC2034: DEFAULT_DEBRELEASE_UPLOADER appears unused. Verify use (or export if used externally).


In /usr/bin/debrelease line 84:
DEFAULT_DEBRELEASE_DEBS_DIR=..
^-------------------------^ SC2034: DEFAULT_DEBRELEASE_DEBS_DIR appears unused. Verify use (or export if used externally).


In /usr/bin/debrelease line 85:
DEFAULT_DEVSCRIPTS_CHECK_DIRNAME_LEVEL=1
^-- SC2034: DEFAULT_DEVSCRIPTS_CHECK_DIRNAME_LEVEL appears unused. Verify use (or export if used externally).


In /usr/bin/debrelease line 86:
DEFAULT_DEVSCRIPTS_CHECK_DIRNAME_REGEX='PACKAGE(-.+)?'
^-- SC2034: DEFAULT_DEVSCRIPTS_CHECK_DIRNAME_REGEX appears unused. Verify use (or export if used externally).


In /usr/bin/debrelease line 89:
if [ "$1" = "--no-conf" -o "$1" = "--noconf" ]; then
                        ^-- SC2166: Prefer [ p ] || [ q ] as [ p -o q ] is not well defined.


In /usr/bin/debrelease line 101:
    eval $(
         ^-- SC2046: Quote this to prevent word splitting.


In /usr/bin/debrelease line 109:
	  [ -r $file ] && . $file
                            ^---^ SC1090: Can't follow non-constant source. Use a directive to specify location.


In /usr/bin/debrelease line 112:
	set | egrep "^(DEBRELEASE|DEVSCRIPTS)_")
              ^---^ SC2196: egrep is non-standard and deprecated. Use grep -E instead.


In /usr/bin/debrelease line 122:
    DEBRELEASE_DEBS_DIR="`echo \"$DEBRELEASE_DEBS_DIR\" | sed -e 's%/\+%/%g; s%\(.\)/$%\1%;'`"
                         ^-- SC2006: Use $(...) notation instead of legacy backticked `...`.

Did you mean: 
    DEBRELEASE_DEBS_DIR="$(echo \"$DEBRELEASE_DEBS_DIR\" | sed -e 's%/\+%/%g; s%\(.\)/$%\1%;')"


In /usr/bin/debrelease line 161:
    -a*) targetarch="`echo \"$1\" | sed -e 's/^-a//'`" ;;
                     ^-- SC2006: Use $(...) notation instead of legacy backticked `...`.
                      ^--------------------------^ SC2001: See if you can use ${variable//search/replace} instead.

Did you mean: 
    -a*) targetarch="$(echo \"$1\" | sed -e 's/^-a//')" ;;


In /usr/bin/debrelease line 162:
    -t*) targetgnusystem="`echo \"$1\" | sed -e 's/^-t//'`"
                          ^-- SC2006: Use $(...) notation instead of legacy backticked `...`.
                           ^--------------------------^ SC2001: See if you can use ${variable//search/replace} instead.

Did you mean: 
    -t*) targetgnusystem="$(echo \"$1\" | sed -e 's/^-t//')"


In /usr/bin/debrelease line 172:
	opt_debsdir="`echo \"$1\" | sed -e 's/^--debs-dir=//; s%/\+%/%g; s%\(.\)/$%\1%;'`"
                     ^-- SC2006: Use $(...) notation instead of legacy backticked `...`.

Did you mean: 
	opt_debsdir="$(echo \"$1\" | sed -e 's/^--debs-dir=//; s%/\+%/%g; s%\(.\)/$%\1%;')"


In /usr/bin/debrelease line 176:
	opt_debsdir="`echo \"$1\" | sed -e 's%/\+%/%g; s%\(.\)/$%\1%;'`"
                     ^-- SC2006: Use $(...) notation instead of legacy backticked `...`.

Did you mean: 
	opt_debsdir="$(echo \"$1\" | sed -e 's%/\+%/%g; s%\(.\)/$%\1%;')"


In /usr/bin/debrelease line 179:
	level="`echo \"$1\" | sed -e 's/^--check-dirname-level=//'`"
               ^-- SC2006: Use $(...) notation instead of legacy backticked `...`.
                ^-- SC2001: See if you can use ${variable//search/replace} instead.

Did you mean: 
	level="$(echo \"$1\" | sed -e 's/^--check-dirname-level=//')"


In /usr/bin/debrelease line 195:
	regex="`echo \"$1\" | sed -e 's/^--check-dirname-level=//'`"
               ^-- SC2006: Use $(...) notation instead of legacy backticked `...`.
                ^-- SC2001: See if you can use ${variable//search/replace} instead.

Did you mean: 
	regex="$(echo \"$1\" | sed -e 's/^--check-dirname-level=//')"


In /usr/bin/debrelease line 232:
    if [ `pwd` = "/" ]; then
         ^---^ SC2046: Quote this to prevent word splitting.
         ^---^ SC2006: Use $(...) notation instead of legacy backticked `...`.

Did you mean: 
    if [ $(pwd) = "/" ]; then


In /usr/bin/debrelease line 245:
    if [ -n "$buildArea" -a -d "$buildArea" ]; then
                         ^-- SC2166: Prefer [ p ] && [ q ] as [ p -a q ] is not well defined.


In /usr/bin/debrelease line 261:
mustsetvar package "`dpkg-parsechangelog -SSource`" "source package"
                    ^----------------------------^ SC2006: Use $(...) notation instead of legacy backticked `...`.

Did you mean: 
mustsetvar package "$(dpkg-parsechangelog -SSource)" "source package"


In /usr/bin/debrelease line 262:
mustsetvar version "`dpkg-parsechangelog -SVersion`" "source version"
                    ^-----------------------------^ SC2006: Use $(...) notation instead of legacy backticked `...`.

Did you mean: 
mustsetvar version "$(dpkg-parsechangelog -SVersion)" "source version"


In /usr/bin/debrelease line 264:
if [ $CHECK_DIRNAME_LEVEL -eq 2 -o \
     ^------------------^ SC2086: Double quote to prevent globbing and word splitting.
                                ^-- SC2166: Prefer [ p ] || [ q ] as [ p -o q ] is not well defined.

Did you mean: 
if [ "$CHECK_DIRNAME_LEVEL" -eq 2 -o \


In /usr/bin/debrelease line 265:
    \( $CHECK_DIRNAME_LEVEL -eq 1 -a "$CHDIR" = yes \) ]; then
       ^------------------^ SC2086: Double quote to prevent globbing and word splitting.
                                  ^-- SC2166: Prefer [ p ] && [ q ] as [ p -a q ] is not well defined.

Did you mean: 
    \( "$CHECK_DIRNAME_LEVEL" -eq 1 -a "$CHDIR" = yes \) ]; then


In /usr/bin/debrelease line 267:
	-e "\$pkg='$package'; \$re='$CHECK_DIRNAME_REGEX';" \
                   ^------^ SC2154: package is referenced but not assigned.


In /usr/bin/debrelease line 272:
	echo >&2 <<EOF
        ^------------^ SC2217: Redirecting to 'echo', a command that doesn't read stdin. Did you want 'cat' instead?


In /usr/bin/debrelease line 273:
$progname: found debian/changelog for package $PACKAGE in the directory
^-------^ SC2154: progname is referenced but not assigned (did you mean 'PROGNAME'?).


In /usr/bin/debrelease line 274:
  $pwd
  ^--^ SC2154: pwd is referenced but not assigned (for output from commands, use "$(pwd ...)" ).


In /usr/bin/debrelease line 276:
regex  $check_dirname_regex.
       ^------------------^ SC2154: check_dirname_regex is referenced but not assigned (did you mean 'CHECK_DIRNAME_REGEX'?).


In /usr/bin/debrelease line 297:
sversion=`echo "$version" | perl -pe 's/^\d+://'`
         ^-- SC2006: Use $(...) notation instead of legacy backticked `...`.
                ^------^ SC2154: version is referenced but not assigned (did you mean 'sversion'?).

Did you mean: 
sversion=$(echo "$version" | perl -pe 's/^\d+://')


In /usr/bin/debrelease line 302:
mchanges=$(ls "$debsdir/${package}_${sversion}_*+*.changes" "$debsdir/${package}_${sversion}_multi.changes" 2>/dev/null | head -1)
           ^-- SC2012: Use find instead of ls to better handle non-alphanumeric filenames.


In /usr/bin/debrelease line 305:
    if [ -z "$mchanges" -o ! -r "$mchanges" ]; then
                        ^-- SC2166: Prefer [ p ] || [ q ] as [ p -o q ] is not well defined.


In /usr/bin/debrelease line 325:
	    read ans
            ^--^ SC2162: read without -r will mangle backslashes.
                 ^-^ SC2034: ans appears unused. Verify use (or export if used externally).


In /usr/bin/debrelease line 326:
	    case ans in
                 ^-^ SC2194: This word is constant. Did you forget the $ on a variable?

For more information:
  https://www.shellcheck.net/wiki/SC1090 -- Can't follow non-constant source....
  https://www.shellcheck.net/wiki/SC2034 -- DEFAULT_DEBRELEASE_DEBS_DIR appea...
  https://www.shellcheck.net/wiki/SC2046 -- Quote this to prevent word splitt...