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 "@@USE_GETTEXT_SCHEME@@"
  21 then
  22         GIT_INTERNAL_GETTEXT_SH_SCHEME="@@USE_GETTEXT_SCHEME@@"
  23 elif test -n "$GIT_INTERNAL_GETTEXT_TEST_FALLBACKS"
  24 then
  25         : no probing necessary
  26 elif test -n "$GIT_GETTEXT_POISON"
  27 then
  28         GIT_INTERNAL_GETTEXT_SH_SCHEME=poison
  29 elif type gettext.sh >/dev/null 2>&1
  30 then
  31         # GNU libintl's gettext.sh
  32         GIT_INTERNAL_GETTEXT_SH_SCHEME=gnu
  33 elif test "$(gettext -h 2>&1)" = "-h"
  34 then
  35         # gettext binary exists but no gettext.sh. likely to be a gettext
  36         # binary on a Solaris or something that is not GNU libintl and
  37         # lack eval_gettext.
  38         GIT_INTERNAL_GETTEXT_SH_SCHEME=gettext_without_eval_gettext
  39 fi
  40 export GIT_INTERNAL_GETTEXT_SH_SCHEME
  41
  42 # ... and then follow that decision.
  43 case "$GIT_INTERNAL_GETTEXT_SH_SCHEME" in
  44 gnu)
  45         # Use libintl's gettext.sh, or fall back to English if we can't.
  46         . gettext.sh
  47         ;;
  48 gettext_without_eval_gettext)
  49         # Solaris has a gettext(1) but no eval_gettext(1)
  50         eval_gettext () {
  51                 gettext "$1" | (
  52                         export PATH $(git sh-i18n--envsubst --variables "$1");
  53                         git sh-i18n--envsubst "$1"
  54                 )
  55         }
  56         ;;
  57 poison)
  58         # Emit garbage so that tests that incorrectly rely on translatable
  59         # strings will fail.
  60         gettext () {
  61                 printf "%s" "# GETTEXT POISON #"
  62         }
  63
  64         eval_gettext () {
  65                 printf "%s" "# GETTEXT POISON #"
  66         }
  67         ;;
  68 *)
  69         gettext () {
  70                 printf "%s" "$1"
  71         }
  72
  73         eval_gettext () {
  74                 printf "%s" "$1" | (
  75                         export PATH $(git sh-i18n--envsubst --variables "$1");
  76                         git sh-i18n--envsubst "$1"
  77                 )
  78         }
  79         ;;
  80 esac
  81
  82 # Git-specific wrapper functions
  83 gettextln () {
  84         gettext "$1"
  85         echo
  86 }
  87
  88 eval_gettextln () {
  89         eval_gettext "$1"
  90         echo
  91 }