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gettext: add gettextln, eval_gettextln to encode common idiom 

Currently, if you want to use gettext or eval_gettext to format a message
you may have to add a separate echo statement and a surrounding subshell
in order to interpolate the required trailing new line.

This patch introduces two new helper functions, gettextln and eval_gettextln
which append a trailing newline to the gettext output.

This allows constructions of the form:

	if test -s "$GIT_DIR/BISECT_START"
	then
		(
			gettext "You need to give me at least one good and one bad revisions.
(You can use \"git bisect bad\" and \"git bisect good\" for that.)" &&
			echo
		) >&2
	else
	...

to be expressed more concisely as:

	if test -s "$GIT_DIR/BISECT_START"
	then
		gettextln "You need to give me at least one good and one bad revisions.
(You can use \"git bisect bad\" and \"git bisect good\" for that.)" >&2
	else
	...

Acked-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Jon Seymour <jon.seymour@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jon Seymour 2011-08-07 21:58:13 +10:00 committed by Junio C Hamano
parent e7a85be3cf
commit 3da5c54340
1 changed files with 19 additions and 0 deletions
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19
git-sh-i18n.sh
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@ -11,19 +11,38 @@ then
printf "%s" "$1"
}
gettextln() {
printf "%s\n" "$1"
}
eval_gettext () {
printf "%s" "$1" | (
export PATH $(git sh-i18n--envsubst --variables "$1");
git sh-i18n--envsubst "$1"
)
}
eval_gettextln () {
printf "%s\n" "$1" | (
export PATH $(git sh-i18n--envsubst --variables "$1");
git sh-i18n--envsubst "$1"
)
}
else
gettext () {
printf "%s" "# GETTEXT POISON #"
}
gettextln () {
printf "%s\n" "# GETTEXT POISON #"
}
eval_gettext () {
printf "%s" "# GETTEXT POISON #"
}
eval_gettextln () {
printf "%s\n" "# GETTEXT POISON #"
}
fi