diff options
Diffstat (limited to 'ship/lib/core')
-rw-r--r-- | ship/lib/core | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/ship/lib/core b/ship/lib/core new file mode 100644 index 00000000..6d126142 --- /dev/null +++ b/ship/lib/core @@ -0,0 +1,34 @@ +#!/bin/sh + +# logging +msg() { printf "$@\n" >&2 ;} +info() { msg "** $@" ;} +error() { msg "!! $@" ;} +exists(){ type "$1" >/dev/null 2>/dev/null; } +is_root(){ + test $(id -u) -eq 0 +} +get_hostname(){ + # finds the current hostname + # if ENV HOSTN is set echo $HOSTN + # We try the following: + # $HOSTN + # $HOSTNAME + # hostname + # uci system.hostname + # /etc/hostname + # if everything fails, it returns 1 and prints 'unknown' + + if [ -n "${HOSTN:-}" ] ; then printf "${HOSTN:-}" + elif [ -n "${HOSTNAME:-}" ] ;then printf "$HOSTNAME" + elif exists hostname ; then printf "$(hostname)" + elif exists uci ; then printf "$(uci get system.@system[0].hostname)" + elif [ -e /etc/hostname ] ;then printf "$(cat /etc/hostname)" + else printf "unknown"; return 1 + fi + return 0 +} + +line_to_dot(){ + while read line; do printf .; done; +} |