1 files changed, 89 insertions, 0 deletions
diff --git a/pgcommon.sh b/pgcommon.sh
new file mode 100644
index 0000000..1e87786
--- /dev/null
+++ b/pgcommon.sh
@@ -0,0 +1,89 @@
+# shell functions used in postgresql-common
+#
+# (C) 2014 Martin Pitt <mpitt@debian.org>
+# (C) 2014 Christoph Berg <myon@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.
+
+# set DISTRO and RELEASE
+get_release() {
+    # return if we were already called
+    [ "${DISTRO:-}" ] && [ "${RELEASE:-}" ] && return
+
+    # we have /etc/os-release, use it
+    if [ -r /etc/os-release ]; then
+        . /etc/os-release
+        DISTRO="${ID:-unknown}"
+        RELEASE="${VERSION_ID:-unstable}" # unstable doesn't have this field
+
+    # fall back to lsb_release
+    elif type lsb_release >/dev/null 2>/dev/null; then
+        DISTRO="`lsb_release -is | tr [:upper:] [:lower:]`"
+        RELEASE="`lsb_release -rs`"
+
+    else
+        echo "get_release: WARNING: /etc/os-release and lsb_release not present, unknown distribution" >&2
+    fi
+}
+
+# install locales; this happens differently on Debian and Ubuntu
+# Arguments: locale charset [...]
+locale_gen ()
+{
+    get_release
+
+    case $DISTRO in
+        debian)
+            METHOD=debian
+            ;;
+        ubuntu)
+            case $RELEASE in
+                12.*|13.*|14.*|15.*)
+                   METHOD=ubuntu
+                   ;;
+                *)
+                   METHOD=debian
+                   ;;
+            esac
+            ;;
+        redhat|centos)
+            return 0 # not yet implemented
+            ;;
+    esac
+
+    case $METHOD in
+        debian)
+            local run
+            while [ "${2:-}" ]; do
+                if ! grep -q "^$1 $2\$" /etc/locale.gen; then
+                    echo "$1 $2" >> /etc/locale.gen
+                    run=1
+                fi
+                shift 2
+            done
+            [ "${run:-}" ] && locale-gen
+            ;;
+
+        ubuntu)
+            # locale-gen will skip existing locales, so just call it
+            # unconditionally for all here
+            local locales
+            while [ "${2:-}" ]; do
+                locales="${locales:-} $1"
+                shift 2
+            done
+            locale-gen $locales
+            ;;
+    esac
+
+    return 0
+}
+