Move cmd to lib/ and reverse symlink

[bup.git] / lib / cmd / python-cmd.sh

diff --git a/lib/cmd/python-cmd.sh b/lib/cmd/python-cmd.sh
new file mode 100644 (file)
index 0000000..b0a8d3d
--- /dev/null
+++ b/lib/cmd/python-cmd.sh
@@ -0,0 +1,48 @@
+#!/bin/sh
+
+set -e
+
+top="$(pwd)"
+cmdpath="$0"
+# loop because macos has no recursive resolution
+while test -L "$cmdpath"; do
+    link="$(readlink "$cmdpath")"
+    cd "$(dirname "$cmdpath")"
+    cmdpath="$link"
+done
+script_home="$(cd "$(dirname "$cmdpath")" && pwd -P)"
+cd "$top"
+
+bup_libdir="$script_home/.."  # bup_libdir will be adjusted during install
+export PYTHONPATH="$bup_libdir${PYTHONPATH:+:$PYTHONPATH}"
+
+# Force python to use ISO-8859-1 (aka Latin 1), a single-byte
+# encoding, to help avoid any manipulation of data from system APIs
+# (paths, users, groups, command line arguments, etc.)
+
+export PYTHONCOERCECLOCALE=0  # Perhaps not necessary, but shouldn't hurt
+
+# We can't just export LC_CTYPE directly here because the locale might
+# not exist outside python, and then bash (at least) may be cranky.
+
+if [ "${LC_ALL+x}" ]; then
+    unset LC_ALL
+    exec env \
+         BUP_LC_ALL="$LC_ALL" \
+         LC_COLLATE="$LC_ALL" \
+         LC_MONETARY="$LC_ALL" \
+         LC_NUMERIC="$LC_ALL" \
+         LC_TIME="$LC_ALL" \
+         LC_MESSAGES="$LC_ALL" \
+         LC_CTYPE=ISO-8859-1 \
+         @bup_python@ "$@"
+elif [ "${LC_CTYPE+x}" ]; then
+    exec env \
+         BUP_LC_CTYPE="$LC_CTYPE" \
+         LC_CTYPE=ISO-8859-1 \
+         @bup_python@ "$@"
+else
+    exec env \
+         LC_CTYPE=ISO-8859-1 \
+         @bup_python@ "$@"
+fi