Base stpkg script

stpkg

+#!/bin/bash
+
+BASE_DIR="$PWD"
+DISPLAY_DEPS_NOTES="yes"
+
+if [ "x$STPKG_COLORS" = "x" ]; then
+    STPKG_COLORS="yes"
+    error() { echo -ne '\e[31m'$*'\e[39m\n' >/dev/stderr; }
+    warn()  { echo -ne '\e[33m'$*'\e[39m\n' >/dev/stderr; }
+    info()  { echo -ne '\e[32m'$*'\e[39m\n' >/dev/stderr; }
+else
+    STPKG_COLORS="no"
+    error() { echo 'ERROR:' $* >/dev/stderr; }
+    warn()  { echo 'WARN:'  $* >/dev/stderr; }
+    info()  { echo 'INFO:'  $* >/dev/stderr; }
+fi
+
+########################
+# Some basic functions #
+########################
+
+__exit() {
+    cd "$BASE_DIR"
+    exit $1
+}
+
+usage() {
+cat << EOF
+$0 usage:
+    $0 update
+    $0 list [egrep regex]
+    $0 get <pack>
+    $0 del <pack>
+
+ENV variables:
+    STPKG_INSTALL   The cloned stickerpicker project location. Defaut is ~/html/stickerpicker.
+    STPKG_BASE      Where the sticker project is located.
+    STPKG_COLORS    Use colors for output. Default is 'yes'.
+
+    The STPKG_INSTALL STPKG_BASE should have been given by the 'install.sh' script.
+EOF
+
+    if [ "x$DISPLAY_DEPS_NOTES" = "xyes" ]; then
+cat << EOF
+Note: $0 requires 'jq' and 'egrep'. If 'egrep' is not found, 'grep' will be used.
+EOF
+    fi
+
+    __exit 0
+}
+
+die() {
+    error $*
+    __exit 1
+}
+
+#########################
+# Get some exec / paths #
+#########################
+
+if [ "x$STPKG_INSTALL" = "x" ]; then
+    STPKG_INSTALL="~/html/stickerpicker/"
+    [ ! -d "$STPKG_INSTALL" ] \
+        && die "STPKG_INSTALL not specified but the default one ($STPKG_INSTALL) doesn't exist." \
+               "Did you use the install script?"
+else
+    info "Use custom STPKG_INSTALL: $STPKG_INSTALL"
+fi
+
+__jq=`which jq`
+[ $? -ne 0 ] && die "Failed to find the 'jq' command"
+__grep=`which egrep`
+if [ $? -ne 0 ]; then
+    __grep=`which grep`
+    [ $? -ne 0 ] && die "Failed to find 'grep' or 'egrep'"
+    warn "Cound not find 'grep', will use 'egrep 'instead"
+fi
+DISPLAY_DEPS_NOTES="no"
+
+#########################
+# Cmd handler functions #
+#########################
+
+__update() {
+    info "Updating packs"
+}
+
+__list() {
+    if [ "x$*" = "x" ]; then
+        REG=
+        info "List packs with no regex"
+    else
+        REG="$*"
+        info "List packs with regex: $REG"
+    fi
+}
+
+__get() {
+    [ "x$1" = "x" ] && die "You must specify a pack for the 'get' command"
+    info "Enable pack '$1'"
+}
+
+__del() {
+    [ "x$1" = "x" ] && die "You must specify a pack 'del' command"
+    info "Disable pack '$1'"
+}
+
+######################
+# Parse command line #
+######################
+
+[ "x$1" = "x" ] && usage
+case "$1" in
+    update)
+        __update
+        ;;
+    list)
+        shift
+        __list "$*"
+        ;;
+    get)
+        shift
+        __get $*
+        ;;
+    del)
+        shift
+        __del $*
+        ;;
+esac
+
+__exit 0