git-sh-i18n.sh

   1 # This shell library is Git's interface to gettext.sh. See po/README
   2 # for usage instructions.
   3 #
   4 # Copyright (c) 2010 Ævar Arnfjörð Bjarmason
   5 #
   6
   7 # Export the TEXTDOMAIN* data that we need for Git
   8 TEXTDOMAIN=git
   9 export TEXTDOMAIN
  10 if test -z "$GIT_TEXTDOMAINDIR"
  11 then
  12         TEXTDOMAINDIR="@@LOCALEDIR@@"
  13 else
  14         TEXTDOMAINDIR="$GIT_TEXTDOMAINDIR"
  15 fi
  16 export TEXTDOMAINDIR
  17
  18 # First decide what scheme to use...
  19 GIT_INTERNAL_GETTEXT_SH_SCHEME=fallthrough
  20 if test -n "$GIT_TEST_GETTEXT_POISON" &&
  21             git env--helper --type=bool --default=0 --exit-code \
  22                 GIT_TEST_GETTEXT_POISON
  23 then
  24         GIT_INTERNAL_GETTEXT_SH_SCHEME=poison
  25 elif test -n "@@USE_GETTEXT_SCHEME@@"
  26 then
  27         GIT_INTERNAL_GETTEXT_SH_SCHEME="@@USE_GETTEXT_SCHEME@@"
  28 elif test -n "$GIT_INTERNAL_GETTEXT_TEST_FALLBACKS"
  29 then
  30         : no probing necessary
  31 elif type gettext.sh >/dev/null 2>&1
  32 then
  33         # GNU libintl's gettext.sh
  34         GIT_INTERNAL_GETTEXT_SH_SCHEME=gnu
  35 elif test "$(gettext -h 2>&1)" = "-h"
  36 then
  37         # gettext binary exists but no gettext.sh. likely to be a gettext
  38         # binary on a Solaris or something that is not GNU libintl and
  39         # lack eval_gettext.
  40         GIT_INTERNAL_GETTEXT_SH_SCHEME=gettext_without_eval_gettext
  41 fi
  42 export GIT_INTERNAL_GETTEXT_SH_SCHEME
  43
  44 # ... and then follow that decision.
  45 case "$GIT_INTERNAL_GETTEXT_SH_SCHEME" in
  46 gnu)
  47         # Use libintl's gettext.sh, or fall back to English if we can't.
  48         . gettext.sh
  49         ;;
  50 gettext_without_eval_gettext)
  51         # Solaris has a gettext(1) but no eval_gettext(1)
  52         eval_gettext () {
  53                 gettext "$1" | (
  54                         export PATH $(git sh-i18n--envsubst --variables "$1");
  55                         git sh-i18n--envsubst "$1"
  56                 )
  57         }
  58
  59         eval_ngettext () {
  60                 ngettext "$1" "$2" "$3" | (
  61                         export PATH $(git sh-i18n--envsubst --variables "$2");
  62                         git sh-i18n--envsubst "$2"
  63                 )
  64         }
  65         ;;
  66 poison)
  67         # Emit garbage so that tests that incorrectly rely on translatable
  68         # strings will fail.
  69         gettext () {
  70                 printf "%s" "# GETTEXT POISON #"
  71         }
  72
  73         eval_gettext () {
  74                 printf "%s" "# GETTEXT POISON #"
  75         }
  76
  77         eval_ngettext () {
  78                 printf "%s" "# GETTEXT POISON #"
  79         }
  80         ;;
  81 *)
  82         gettext () {
  83                 printf "%s" "$1"
  84         }
  85
  86         eval_gettext () {
  87                 printf "%s" "$1" | (
  88                         export PATH $(git sh-i18n--envsubst --variables "$1");
  89                         git sh-i18n--envsubst "$1"
  90                 )
  91         }
  92
  93         eval_ngettext () {
  94                 (test "$3" = 1 && printf "%s" "$1" || printf "%s" "$2") | (
  95                         export PATH $(git sh-i18n--envsubst --variables "$2");
  96                         git sh-i18n--envsubst "$2"
  97                 )
  98         }
  99         ;;
 100 esac
 101
 102 # Git-specific wrapper functions
 103 gettextln () {
 104         gettext "$1"
 105         echo
 106 }
 107
 108 eval_gettextln () {
 109         eval_gettext "$1"
 110         echo
 111 }