/usr/share/backup-manager/externals.sh is in backup-manager 0.7.10.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | # All external programs used must be initialized here
zip=$(which zip 2> /dev/null) || true
bzip=$(which bzip2 2> /dev/null) || true
gzip=$(which gzip 2> /dev/null) || true
gpg=$(which gpg 2> /dev/null) || true
lzma=$(which lzma 2> /dev/null) || true
dar=$(which dar 2> /dev/null) || true
tar=$(which tar 2> /dev/null) || true
rsync=$(which rsync 2> /dev/null) || true
mkisofs=$(which mkisofs 2> /dev/null) || mkisofs=$(which genisoimage 2> /dev/null) || true
growisofs=$(which growisofs 2> /dev/null) || true
dvdrwformat=$(which dvd+rw-format 2> /dev/null) || true
cdrecord=$(which cdrecord 2> /dev/null) || cdrecord=$(which wodim 2> /dev/null) || true
md5sum=$(which md5sum 2> /dev/null) || true
bc=$(which bc 2> /dev/null) || true
mysqldump=$(which mysqldump 2> /dev/null) || true
pgdump=$(which pg_dump 2>/dev/null) || true
svnadmin=$(which svnadmin 2> /dev/null) || true
logger=$(which logger 2> /dev/null) || true
nice_bin=$(which nice 2> /dev/null) || true
dd=$(which dd 2> /dev/null) || true
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