termux-packages/clean.sh

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2015-06-13 01:03:31 +02:00
#!/bin/sh
# clean.sh - clean everything.
set -e -u
2015-06-13 01:03:31 +02:00
# Checking if script is running on Android with 2 different methods.
# Needed for safety to prevent execution of potentially dangerous
# operations such as 'rm -rf /data/*' on Android device.
if [ "$(uname -o)" = "Android" ] || [ -e "/system/bin/app_process" ]; then
TERMUX_ON_DEVICE_BUILD=true
else
TERMUX_ON_DEVICE_BUILD=
fi
if [ "$(id -u)" = "0" ] && [ -n "$TERMUX_ON_DEVICE_BUILD" ]; then
echo "On-device execution of this script as root is disabled."
exit 1
fi
# Read settings from .termuxrc if existing
test -f "$HOME/.termuxrc" && . "$HOME/.termuxrc"
: "${TERMUX_TOPDIR:="$HOME/.termux-build"}"
: "${TMPDIR:=/tmp}"
export TMPDIR
# Lock file. Same as used in build-package.sh.
TERMUX_BUILD_LOCK_FILE="${TMPDIR}/.termux-build.lck"
if [ ! -e "$TERMUX_BUILD_LOCK_FILE" ]; then
touch "$TERMUX_BUILD_LOCK_FILE"
fi
{
if ! flock -n 5; then
echo "Not cleaning build directory since you have unfinished build running."
exit 1
fi
if [ -d "$TERMUX_TOPDIR" ]; then
chmod +w -R "$TERMUX_TOPDIR"
fi
if [ -n "$TERMUX_ON_DEVICE_BUILD" ]; then
# For on-device build cleanup /data shouldn't be erased.
rm -Rf "$TERMUX_TOPDIR"
else
rm -Rf /data/* "$TERMUX_TOPDIR"
fi
} 5< "$TERMUX_BUILD_LOCK_FILE"