printf -- "${fmt}\n" "$@"
}
+print_indent() {
+ local i=${1}
+ shift
+
+ while (( i-- )); do
+ printf "\t"
+ done
+
+ print "%s" "$@"
+}
+
# The args() function takes a number of arguments like
# var1="abc d" var2="abc" var3="abcd e"
# and splits them into several arguments, devided by newline
local ret=0
local arg
- for arg in $@; do
+ for arg in "$@"; do
local unit
case "${arg}" in
assert isset file
shift
- if [ ! -w "${file}" ]; then
+ if ! print "%s" "$@" > ${file} 2>/dev/null; then
+ error "Could not write to file: ${file}"
+ return ${EXIT_ERROR}
+ fi
+
+ return ${EXIT_OK}
+}
+
+fappend() {
+ local file=${1}
+ assert isset file
+ shift
+
+ if [ -e "${file}" ] && [ ! -w "${file}" ]; then
log ERROR "${file}: No such file"
return ${EXIT_ERROR}
fi
print "%s" "$@" >> ${file} 2>/dev/null
}
+file_delete() {
+ local file=${1}
+
+ unlink "${file}" 2>/dev/null
+}
+
+file_exists() {
+ local file=${1}
+
+ [ -e "${file}" ] && return ${EXIT_TRUE} || return ${EXIT_FALSE}
+}
+
+file_is_newer_than() {
+ local file1="${1}"
+ local file2="${2}"
+
+ local age1=$(file_get_age "${file1}")
+ local age2=$(file_get_age "${file2}")
+
+ if [ ${age1} -gt ${age2} ]; then
+ return ${EXIT_TRUE}
+ else
+ return ${EXIT_FALSE}
+ fi
+}
+
+file_get_age() {
+ local file="${1}"
+
+ if [ -e "${file}" ]; then
+ stat --format="%Y" "${file}"
+ return $?
+ fi
+
+ return ${EXIT_ERROR}
+}
+
make_parent_dir() {
local path="${1}"
log DEBUG "Running command: ${cmd}"
- ${cmd}
+ env -i -- \
+ HOME="${HOME}" \
+ PATH="${PATH}" \
+ TERM="${TERM}" \
+ ${cmd}
local ret=$?
- log DEBUG "Returned with code '${ret}'"
-
- return ${ret}
+ case "${ret}" in
+ ${EXIT_OK})
+ return ${EXIT_OK}
+ ;;
+ *)
+ log DEBUG "Returned with code '${ret}'"
+ return ${ret}
+ ;;
+ esac
}
cmd_quiet() {
- cmd $@ &>/dev/null
+ cmd "$@" &>/dev/null
}
cmd_exec() {
assert false "not implemented"
}
-# Runs a command in a clean environment so that no confidential information
-# is leaked to any untrusted commands.
-cmd_clean_environment() {
- local cmd=$@
-
- log DEBUG "Running command in a clean environment: ${cmd}"
- env -i -- ${cmd}
- local ret=${?}
-
- log DEBUG "Returned with code '${ret}'"
- return ${ret}
-}
-
# Executes the given command in background
cmd_background() {
- cmd_quiet $@ &
+ cmd_quiet "$@" &
}
# Prints the PID of the process that was started last
# Increase security of the read command
read() {
- builtin read -r $@
+ builtin read -r "$@"
}
seq() {
}
which() {
- type -P $@
+ type -P "$@"
}
# Prints the number of seconds since epoch.
module_load() {
local module=${1}
- if ! grep -q "^${module}" /proc/modules; then
- log DEBUG "Loading module '${module}'."
- modprobe ${module}
+ # Do nothing if the module is already loaded
+ if [ -d "/sys/module/${module//-/_}" ]; then
+ return ${EXIT_OK}
fi
+
+ log DEBUG "Loading kernel module ${module}"
+ modprobe "${module}"
}
binary_exists() {
return ${EXIT_FALSE}
}
+string_match() {
+ local match=${1}
+ local string=${2}
+
+ [[ ${string} =~ ${match} ]] && return ${EXIT_TRUE} || return ${EXIT_FALSE}
+}
+
string_split() {
local string="$@"