1 files changed, 93 insertions, 0 deletions
diff --git a/src/sh/dpkg-error.sh b/src/sh/dpkg-error.sh
new file mode 100644
index 0000000..b7f968e
--- /dev/null
+++ b/src/sh/dpkg-error.sh
@@ -0,0 +1,93 @@
+#
+# Copyright © 2010 Raphaël Hertzog <hertzog@debian.org>
+# Copyright © 2011-2015 Guillem Jover <guillem@debian.org>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+#
+# shellcheck shell=sh
+
+# Standard ANSI colors and attributes.
+COLOR_NORMAL=''
+COLOR_RESET='[0m'
+COLOR_BOLD='[1m'
+COLOR_BLACK='[30m'
+COLOR_RED='[31m'
+COLOR_GREEN='[32m'
+COLOR_YELLOW='[33m'
+COLOR_BLUE='[34m'
+COLOR_MAGENTA='[35m'
+COLOR_CYAN='[36m'
+COLOR_WHITE='[37m'
+COLOR_BOLD_BLACK='[1;30m'
+COLOR_BOLD_RED='[1;31m'
+COLOR_BOLD_GREEN='[1;32m'
+COLOR_BOLD_YELLOW='[1;33m'
+COLOR_BOLD_BLUE='[1;34m'
+COLOR_BOLD_MAGENTA='[1;35m'
+COLOR_BOLD_CYAN='[1;36m'
+COLOR_BOLD_WHITE='[1;37m'
+
+setup_colors()
+{
+  : "${DPKG_COLORS=auto}"
+
+  case "$DPKG_COLORS" in
+  auto)
+    if [ -t 1 ]; then
+      USE_COLORS=yes
+    else
+      USE_COLORS=no
+    fi
+    ;;
+  always)
+    USE_COLORS=yes
+    ;;
+  *)
+    USE_COLORS=no
+    ;;
+  esac
+
+  if [ $USE_COLORS = yes ]; then
+    COLOR_PROG="$COLOR_BOLD"
+    COLOR_INFO="$COLOR_GREEN"
+    COLOR_NOTICE="$COLOR_YELLOW"
+    COLOR_WARN="$COLOR_BOLD_YELLOW"
+    COLOR_ERROR="$COLOR_BOLD_RED"
+  else
+    COLOR_RESET=""
+  fi
+  FMT_PROG="$COLOR_PROG$PROGNAME$COLOR_RESET"
+}
+
+debug() {
+  if [ -n "$DPKG_DEBUG" ]; then
+    echo "DEBUG: $FMT_PROG: $*" >&2
+  fi
+}
+
+error() {
+  echo "$FMT_PROG: ${COLOR_ERROR}error${COLOR_RESET}: $*" >&2
+  exit 1
+}
+
+warning() {
+  echo "$FMT_PROG: ${COLOR_WARN}warning${COLOR_RESET}: $*" >&2
+}
+
+badusage() {
+  echo "$FMT_PROG: ${COLOR_ERROR}error${COLOR_RESET}: $1" >&2
+  echo >&2
+  echo "Use '$PROGNAME --help' for program usage information." >&2
+  exit 1
+}