chucknorris: check for strfile dependency

Gives a better error message than "command not found: strfile", because
it's not obvious to many users that strfile is part of fortune.
Also handles the weird /usr/sbin install location for strfile on Cygwin.
This commit is contained in:
Andrew Janke 2015-07-02 20:27:48 -04:00
parent cb0718c147
commit a2e01e9a87

View File

@ -1,11 +1,28 @@
# chucknorris: Chuck Norris fortunes
# Automatically generate or update Chuck's compiled fortune data file
DIR=${0:h}/fortunes
# $0 must be used outside a local function. This variable name is unlikly to collide.
CHUCKNORRIS_PLUGIN_DIR=${0:h}
() {
local DIR=$CHUCKNORRIS_PLUGIN_DIR/fortunes
if [[ ! -f $DIR/chucknorris.dat ]] || [[ $DIR/chucknorris.dat -ot $DIR/chucknorris ]]; then
strfile $DIR/chucknorris $DIR/chucknorris.dat
# For some reason, Cygwin puts strfile in /usr/sbin, which is not on the path by default
local strfile=strfile
if ! which strfile &>/dev/null && [[ -f /usr/sbin/strfile ]]; then
strfile=/usr/sbin/strfile
fi
if which $strfile &> /dev/null; then
$strfile $DIR/chucknorris $DIR/chucknorris.dat >/dev/null
else
echo "[oh-my-zsh] chucknorris depends on strfile, which is not installed" >&2
echo "[oh-my-zsh] strfile is often provided as part of the 'fortune' package" >&2
fi
fi
# Aliases
alias chuck="fortune -a $DIR"
alias chuck_cow="chuck | cowthink"
}
unset DIR
unset CHUCKNORRIS_PLUGIN_DIR