gdp / adm / common-support.sh @ master
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#!/bin/sh |
|---|---|
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{ test -r /usr/local/etc/gdp.conf.sh && . /usr/local/etc/gdp.conf.sh; } ||
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{ test -r /etc/gdp.conf.sh && . /etc/gdp.conf.sh; }
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|
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# |
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# These macros are intended to be sourced into other shell files |
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# |
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|
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#################### MANIFEST CONSTANTS #################### |
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|
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Reset='[0m' # Text Reset |
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|
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# Regular Bold Underline High Intensity BoldHigh Intens Background High Intensity Backgrounds |
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Bla='[0;30m'; BBla='[1;30m'; UBla='[4;30m'; IBla='[0;90m'; BIBla='[1;90m'; On_Bla='[40m'; On_IBla='[0;100m'; |
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Red='[0;31m'; BRed='[1;31m'; URed='[4;31m'; IRed='[0;91m'; BIRed='[1;91m'; On_Red='[41m'; On_IRed='[0;101m'; |
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Gre='[0;32m'; BGre='[1;32m'; UGre='[4;32m'; IGre='[0;92m'; BIGre='[1;92m'; On_Gre='[42m'; On_IGre='[0;102m'; |
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Yel='[0;33m'; BYel='[1;33m'; UYel='[4;33m'; IYel='[0;93m'; BIYel='[1;93m'; On_Yel='[43m'; On_IYel='[0;103m'; |
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Blu='[0;34m'; BBlu='[1;34m'; UBlu='[4;34m'; IBlu='[0;94m'; BIBlu='[1;94m'; On_Blu='[44m'; On_IBlu='[0;104m'; |
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Pur='[0;35m'; BPur='[1;35m'; UPur='[4;35m'; IPur='[0;95m'; BIPur='[1;95m'; On_Pur='[45m'; On_IPur='[0;105m'; |
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Cya='[0;36m'; BCya='[1;36m'; UCya='[4;36m'; ICya='[0;96m'; BICya='[1;96m'; On_Cya='[46m'; On_ICya='[0;106m'; |
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Whi='[0;37m'; BWhi='[1;37m'; UWhi='[4;37m'; IWhi='[0;97m'; BIWhi='[1;97m'; On_Whi='[47m'; On_IWhi='[0;107m'; |
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|
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# matches sysexits.h (see man sysexits) |
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EX_OK=0 |
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EX_USAGE=64 # command line usage error |
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EX_DATAERR=65 # data format error |
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EX_NOINPUT=66 # cannot open input |
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EX_UNAVAILABLE=69 # service unavailable (a catch-all status) |
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EX_SOFTWARE=70 # internal software error |
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EX_OSERR=71 # system error (e.g., out of memory) |
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EX_OSFILE=72 # system file missing |
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EX_CANTCREATE=73 # cannot create (user) output file |
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EX_IOERR=74 # input/output error |
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EX_TEMPFAIL=75 # temp fail, try again sometime soon |
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EX_PROTOCOL=76 # remote error in protocol |
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EX_NOPERM=77 # permission denied |
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EX_CONFIG=78 # configuration error |
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|
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#################### FUNCTIONS #################### |
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|
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: ${quiet:=false}
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|
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# Error/Information messages |
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info() {
|
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if ! $quiet; then |
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echo "${Gre}${On_Bla}[INFO] $1${Reset}" 2>&1
|
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fi |
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} |
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|
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warn() {
|
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if ! $quiet; then |
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echo "${Yel}${On_Bla}[WARN] $1${Reset}" 2>&1
|
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fi |
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} |
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|
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error() {
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if ! $quiet; then |
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echo "${Red}${On_Bla}[ERROR] $1${Reset}" 2>&1
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fi |
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} |
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|
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fatal() {
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echo "${Whi}${On_Red}[FATAL] $1${Reset}" 2>&1
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exit ${2:-$EX_UNAVAILABLE}
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} |
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|
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action() {
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echo "${Bla}${On_Yel}[ACTION REQUIRED] $1${Reset}" 2>&1
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} |
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|
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# Read a password from the terminal |
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case `echo "foo\c"`,`echo -n bar` in |
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*c*,-n*) echo_n= echo_c= ;; |
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*c*,*) echo_n=-n echo_c= ;; |
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*) echo_n= echo_c='\c' ;; |
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esac |
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|
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# |
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# Read a password without echo. |
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# The first parameter is the name of the variable to set. |
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# The second parameter is an optional prompt. |
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# |
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read_passwd() {
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local var=$1 |
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local prompt="${2:-Password}"
|
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|
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stty -echo |
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echo $echo_n "${prompt}:" $echo_c
|
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read $var |
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echo "" |
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stty echo |
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} |
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|
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# |
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# Takes the root name of variables (nominally the name of an account) |
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# and the name of a file. If the variable ${acct}_pw is set then uses
|
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# the value of that as the password. If not set but the indicated |
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# file name exists, the content of that file is used as the password. |
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# Otherwise, a new password is created which is stored in the file |
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# and the ${acct}_pw variable.
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# |
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set_up_passwd() {
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local acct="$1" |
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local pw_file="$2" |
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local var="\${${acct}_pw}"
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local pw=`eval "echo $var"` |
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|
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# if password not already set, try the file contents |
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if [ -z "$pw" -a -f "$pw_file" ]; then |
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pw=`sudo head -1 "$pw_file"` |
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if [ ! -z "$pw" ]; then |
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info "Using existing password from $pw_file for $acct." |
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fi |
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fi |
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|
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# if password still not set, create a new one |
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if [ -z "$pw" ]; then |
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pw=`dd if=/dev/random bs=1 count=9 2>/dev/null | base64` |
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warn "Created new password '$pw' for $acct." |
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info "Saving it in $pw_file." |
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sudo sh -c "umask 0177; echo \"$pw\" > \"$pw_file\"; \ |
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chown ${GDP_USER}:${GDP_GROUP} \"$pw_file\""
|
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fi |
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|
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eval "${acct}_pw=\"$pw\""
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eval "${acct}_pw_file=\"$pw_file\""
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} |
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|
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# Create a directory as the user gdp |
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mkdir_gdp() {
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test -d $1 && return |
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if [ -e $1 ]; then |
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warn "$1 exists but is not a directory" |
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return |
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fi |
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info "Creating $1 as ${GDP_USER}:${GDP_GROUP}"
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sudo mkdir -p $1 |
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sudo chmod ${2:-0775} $1
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sudo chown ${GDP_USER}:${GDP_GROUP} $1
|
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} |
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|
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# Create a file as the user gdp |
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mkfile_gdp() {
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test -f $1 && return |
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if [ -e $1 ]; then |
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warn "$1 exists but is not a file" |
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return |
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fi |
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info "Creating $1 as ${GDP_USER}:${GDP_GROUP}"
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sudo cp /dev/null $1 |
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sudo chmod ${2:-0664} $1
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sudo chown ${GDP_USER}:${GDP_GROUP} $1
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} |
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|
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package() {
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info "Checking package $1..." |
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case "${PKGMGR:-unknown}" in
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"debian") |
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if dpkg --get-selections | grep -w --quiet $1; then |
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info "$1 is already installed. skipping." |
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else |
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sudo apt-get install -y $@ |
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fi |
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;; |
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|
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"yum") |
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if rpm -qa | grep --quiet $1; then |
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info "$1 is already installed. skipping." |
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else |
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sudo yum install -y $@ |
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fi |
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;; |
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|
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"brew") |
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if brew list | grep --quiet $1; then |
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info "$1 is already installed. skipping." |
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else |
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brew install --build-bottle $@ || brew upgrade $@ |
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fi |
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;; |
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|
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"macports") |
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if port -q installed $1 | grep -q "."; then |
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info "$1 is already installed. skipping." |
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else |
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sudo port install $1 |
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fi |
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;; |
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|
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"freebsd") |
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export PATH="/sbin:/usr/sbin:$PATH" |
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if sudo pkg info -q $1; then |
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info "$1 is already installed. skipping." |
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else |
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sudo pkg install $@ |
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fi |
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;; |
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|
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"gentoo") |
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if equery list $1 >& /dev/null; then |
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info "$1 is already installed. skipping." |
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else |
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sudo emerge $1 |
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fi |
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;; |
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|
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*) |
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fatal "unrecognized PKGMGR $PKGMGR" |
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;; |
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esac |
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} |
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|
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# Configure various system path/parameter defaults. |
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# All of the paths will be relative to $DESTDIR. |
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configure_defaults() {
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: ${GDP_ROOT:=/usr}
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if [ "$GDP_ROOT" = "/usr" ] |
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then |
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: ${GDP_ETC:=/etc/gdp}
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elif [ "$GDP_ROOT" = "/usr/local" -o "$GDP_ROOT" = "/opt/local" ] |
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then |
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: ${GDP_ETC:=$GDP_ROOT/etc/gdp}
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else |
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: ${GDP_ETC:=$GDP_ROOT/etc}
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fi |
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GDP_ROOT=$DESTDIR$GDP_ROOT # make relative to $DESTDIR |
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GDP_ETC=$DESTDIR$GDP_ETC # make relative to $DESTDIR |
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: ${EP_PARAMS:=$GDP_ETC/params}
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: ${GDP_USER:=gdp}
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: ${GDP_GROUP:=$GDP_USER}
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: ${GDP_LOG_DIR:=$DESTDIR/var/log/gdp}
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: ${GDP_VAR:=$DESTDIR/var/swarm/gdp}
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: ${GDP_KEYS_DIR:=$GDP_ETC/keys}
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: ${GDPLOGD_DATADIR:=$GDP_VAR/glogs}
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: ${GDPLOGD_DBDIR:=$GDP_VAR/db}
|
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} |
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|
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|
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dot_to_int() {
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full=$1 |
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major=`echo $full | sed 's/\..*//'` |
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full=`echo $full | sed -e 's/[^.]*//' -e 's/^\.//'` |
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minor=`echo $full | sed 's/\..*//'` |
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full=`echo $full | sed -e 's/[^.]*//' -e 's/^\.//'` |
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patch=`echo $full | sed 's/\..*//'` |
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test -z "$minor" && minor=0 |
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test -z "$patch" && patch=0 |
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printf "%02d%02d%02d" "$major" "$minor" "$patch" |
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} |
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|
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### |
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### figure out operating system and version number |
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### |
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OS="" |
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OSVER="" |
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|
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fatal_osver() {
|
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fatal "Must be running $1 or later (have $VERSION_ID)" |
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} |
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|
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warn_unsupported() {
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msg=${1:-"try anyway"}
|
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warn "$OS is not a supported platform, but I'll $msg" |
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} |
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|
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set_os() {
|
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if [ -f "/etc/os-release" ]; then |
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. /etc/os-release |
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OS="${ID-}"
|
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OSVER="${VERSION_ID-}"
|
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fi |
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if [ -z "$OS" -a -f "/etc/lsb-release" ]; then |
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. /etc/lsb-release |
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OS="${DISTRIB_ID-}"
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OSVER="${DISTRIB_VERSION-}"
|
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fi |
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if [ "$OS" ]; then |
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# it is set --- do nothing |
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true |
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elif [ -f "/etc/centos-release" ]; then |
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OS="centos" |
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#OSVER=??? |
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elif [ -f "/etc/redhat-release" ]; then |
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OS="redhat" |
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OSVER=`sed -e 's/.* release //' -e 's/ .*//' /etc/redhat-release` |
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else |
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OS=`uname -s` |
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fi |
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OS=`echo $OS | tr '[A-Z]' '[a-z]'` |
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if [ "$OS" = "linux" ]; then |
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OS=`head -1 /etc/issue | sed 's/ .*//' | tr '[A-Z]' '[a-z]'` |
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elif [ "$OS" = "darwin" ]; then |
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OSVER=`sw_vers | |
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sed -e '/ProductVersion:/!d' -e 's/^.*[ ][ ]*//'` |
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elif [ "$OS" = "freebsd" ]; then |
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_major=`uname -r | sed -e 's/\..*//'` |
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_minor=`uname -r | sed -e 's/[0-9]*\.//' -e 's/-.*//'` |
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OSVER="$_major.$_minor" |
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fi |
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|
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if [ -z "$OSVER" ]; then |
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OSVER="0" |
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else |
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# clean up OSVER to make it a single integer |
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OSVER=`dot_to_int $OSVER` |
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fi |
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} |
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|
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check_os() {
|
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case "$OS" in |
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"debian") |
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if expr $OSVER \< 80000 > /dev/null |
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then |
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fatal_osver "Debian 8 (Jessie)" |
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fi |
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;; |
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|
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"ubuntu") |
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if expr $OSVER \< 160400 > /dev/null |
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then |
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fatal_osver "Ubuntu 16.04" |
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fi |
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;; |
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|
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"raspbian") |
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warn_unsupported "assume it is debian-based" |
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;; |
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|
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"centos" | "freebsd" | "darwin" | "redhat" | "gentoo") |
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warn_unsupported |
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;; |
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|
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*) |
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fatal "Oops, we don't support $OS" |
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esac |
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} |
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|
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|
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# check to make sure we understand this OS and OSVER; choose PKGMGR & INITsys |
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set_pkgmgr() {
|
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: ${PKGMGR:=$OS}
|
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INITguess="" |
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case $PKGMGR in |
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"ubuntu") |
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PKGMGR=debian |
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if expr $OSVER \>= 160400 > /dev/null |
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then |
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INITguess=systemd |
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else |
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INITguess=upstart |
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fi |
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;; |
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|
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"debian") |
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INITguess=systemd |
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;; |
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|
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"raspbian") |
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PKGMGR=debian |
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;; |
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|
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"redhat") |
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PKGMGR=yum |
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if expr $OSVER \< 070000 > /dev/null |
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then |
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INITguess=systemd |
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else |
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INITguess=upstart |
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fi |
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;; |
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|
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"darwin") |
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if type port > /dev/null 2>&1 && port installed | grep -q .; then |
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PKGMGR=macports |
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fi |
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if type brew > /dev/null 2>&1 && [ ! -z "`brew config`" ] |
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then |
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if [ "$PKGMGR" = "macports" ]; then |
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PKGMGR=brewports |
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warn "You seem to have both macports and homebrew installed." |
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warn "They conflict with each other, and you may break all your" |
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warn "packages if you try to use them at the same time." |
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warn "Please choose one or the other. Macports seems to work better." |
| 384 |
fatal "Set envar PKGMGR to 'brew' or 'macports' to choose." |
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else |
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PKGMGR=brew |
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fi |
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fi |
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if [ "$PKGMGR" = "darwin" ]; then |
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warn "You must install macports or homebrew." |
| 391 |
fatal "See README-compiling.md (Operating System Quirks) for details." |
| 392 |
fi |
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;; |
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|
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"centos") |
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PKGMGR=yum |
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;; |
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esac |
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|
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# determine what init system we are using (heuristic!) |
| 401 |
if [ -z "$INITguess" ] |
| 402 |
then |
| 403 |
case $OS in |
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"debian" | "ubuntu" | "centos" | "redhat" | "gentoo") |
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# some linux variant; see if we can figure out systemd |
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proc1exe=`sudo stat /proc/1/exe | grep 'File: '` |
| 407 |
if echo "$proc1exe" | grep -q "systemd" |
| 408 |
then |
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INITguess="systemd" |
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fi |
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;; |
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esac |
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fi |
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} |
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|
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|
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#################### END OF FUNCTIONS #################### |
| 418 |
|
| 419 |
configure_defaults |
| 420 |
set_os |
| 421 |
check_os |
| 422 |
if [ -z "$PKGMGR" ] |
| 423 |
then |
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set_pkgmgr |
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fi |
| 426 |
|
| 427 |
# see if we should use our guess |
| 428 |
test -z "$INITSYS" && INITSYS=${INITguess:-unknown}
|
| 429 |
|
| 430 |
if ! $quiet |
| 431 |
then |
| 432 |
info "System Info: OS=$OS, OSVER=$OSVER, PKGMGR=$PKGMGR, INITSYS=$INITSYS" |
| 433 |
info "Install Dirs: DESTDIR=$DESTDIR, GDP_ROOT=$GDP_ROOT, GDP_ETC=$GDP_ETC" |
| 434 |
fi |