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base-files: allow reusing of boolean value extraction logic

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The `functions.sh` script has `config_get_bool()` function, which is
usable when using UCI config direct access API, but there is no
equivalent for the callback API. Introduce `get_bool()` function to
allow reusing it from init scripts.

Example:

```sh
option_cb() {
    local option="$1"
    local value="$(get_bool "$2")"
    ...
}
```

Signed-off-by: Oldřich Jedlička <oldium.pro@gmail.com>
This commit is contained in:
Oldřich Jedlička 2020-11-08 16:15:04 +01:00 committed by Paul Spooren
parent 0f14aec8fc
commit 49d678f0d2
2 changed files with 13 additions and 6 deletions
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2
package/base-files/Makefile
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@ -12,7 +12,7 @@ include $(INCLUDE_DIR)/version.mk
include $(INCLUDE_DIR)/feeds.mk include $(INCLUDE_DIR)/feeds.mk
PKG_NAME:=base-files PKG_NAME:=base-files
PKG_RELEASE:=243 PKG_RELEASE:=244
PKG_FLAGS:=nonshared PKG_FLAGS:=nonshared
PKG_FILE_DEPENDS:=$(PLATFORM_DIR)/ $(GENERIC_PLATFORM_DIR)/base-files/ PKG_FILE_DEPENDS:=$(PLATFORM_DIR)/ $(GENERIC_PLATFORM_DIR)/base-files/

17
package/base-files/files/lib/functions.sh
View File

@ -118,15 +118,22 @@ config_get() {
esac esac
} }
# get_bool <value> [<default>]
get_bool() {
local _tmp="$1"
case "$_tmp" in
1|on|true|yes|enabled) _tmp=1;;
0|off|false|no|disabled) _tmp=0;;
*) _tmp="$2";;
esac
echo -n "$_tmp"
}
# config_get_bool <variable> <section> <option> [<default>] # config_get_bool <variable> <section> <option> [<default>]
config_get_bool() { config_get_bool() {
local _tmp local _tmp
config_get _tmp "$2" "$3" "$4" config_get _tmp "$2" "$3" "$4"
case "$_tmp" in _tmp="$(get_bool "$_tmp" "$4")"
1|on|true|yes|enabled) _tmp=1;;
0|off|false|no|disabled) _tmp=0;;
*) _tmp="$4";;
esac
export ${NO_EXPORT:+-n} "$1=$_tmp" export ${NO_EXPORT:+-n} "$1=$_tmp"
} }