git-sh-i18n.sh

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