Merge branch 'maint'
[git] / 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 "@@USE_FALLTHROUGH_GETTEXT_SCHEME@@$GIT_INTERNAL_GETTEXT_TEST_FALLBACKS"
25 then
26         : no probing necessary
27 elif test -n "$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 }