btrc & btrd

[m6w6/btr] / share / btr / common.sh

diff --git a/share/btr/common.sh b/share/btr/common.sh
new file mode 100755 (executable)
index 0000000..4c7fb74
--- /dev/null
+++ b/share/btr/common.sh
@@ -0,0 +1,88 @@
+#!/bin/bash
+
+export DATE=$(date +%Y%m%d%H%M%S)
+export CPUS=${CPUS:-$(nproc)}
+
+BTR_QUIET=false
+BTR_VERBOSE=false
+BTR_FORCEYES=false
+
+function error {
+       echo "$@" >&2
+       exit 1
+}
+export -f error
+
+function btr-banner {
+       echo "$(basename ${0:btr}) v0.4.0, (c) Michael Wallner <mike@php.net>"
+       if test "$BTR_BANNER"
+       then
+               echo "$BTR_BANNER"
+       fi
+}
+export -f btr-banner
+
+function btr-confirm {
+       local CONTINUE
+       if ! $BTR_FORCEYES
+       then
+               echo -n "$1 (y/N) "
+               read -r CONTINUE
+               case $CONTINUE in
+                       y*|Y*)
+                               echo
+                               ;;
+                       *)
+                               exit -1
+                               ;;
+               esac
+       fi
+}
+export -f btr-confirm
+
+function btr-setup-rundir {
+       local default_rundir="${1:-/tmp/btr}"
+       
+       if test -z "$BTR_RUNDIR"
+       then
+               export BTR_RUNDIR="$default_rundir"
+       else
+               export BTR_RUNDIR=$(realpath "$BTR_RUNDIR")
+       fi
+       
+       mkdir -p "$BTR_RUNDIR" || error "Could not create directory '$BTR_RUNDIR'"
+}
+export -f btr-setup-rundir
+
+function btr-setup-verbosity {
+       local for_make=${1:-false}
+       
+       if $BTR_VERBOSE
+       then
+               BTR_QUIET_FLAG=
+               BTR_SILENT_FLAG=
+               BTR_VERBOSE_FLAG="-v"
+               SAY="echo; echo"
+       elif $BTR_QUIET
+       then
+               BTR_QUIET_FLAG="-q"
+               BTR_SILENT_FLAG="-s"
+               BTR_VERBOSE_FLAG=
+               SAY="true"
+       else
+               BTR_QUIET_FLAG=
+               BTR_SILENT_FLAG="-s"
+               BTR_VERBOSE_FLAG=
+               SAY="echo"
+       fi
+       
+       if $for_make
+       then
+               SAY="@$SAY"
+       fi
+       
+       export BTR_QUIET BTR_VERBOSE BTR_FORCEYES BTR_QUIET_FLAG BTR_SILENT_FLAG BTR_VERBOSE_FLAG SAY
+}
+export -f btr-setup-verbosity
+
+# vim: noet