promisor-remote: skip move_to_tail when no-op
[git/git.git] / git-sh-i18n.sh
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1# This shell library is Git's interface to gettext.sh. See po/README
2# for usage instructions.
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3#
4# Copyright (c) 2010 Ævar Arnfjörð Bjarmason
5#
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6
7# Export the TEXTDOMAIN* data that we need for Git
8TEXTDOMAIN=git
9export TEXTDOMAIN
10if test -z "$GIT_TEXTDOMAINDIR"
11then
12 TEXTDOMAINDIR="@@LOCALEDIR@@"
13else
14 TEXTDOMAINDIR="$GIT_TEXTDOMAINDIR"
15fi
16export TEXTDOMAINDIR
e00cf070 17
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18# First decide what scheme to use...
19GIT_INTERNAL_GETTEXT_SH_SCHEME=fallthrough
6cdccfce 20if test -n "$GIT_TEST_GETTEXT_POISON"
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21then
22 GIT_INTERNAL_GETTEXT_SH_SCHEME=poison
23elif test -n "@@USE_GETTEXT_SCHEME@@"
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24then
25 GIT_INTERNAL_GETTEXT_SH_SCHEME="@@USE_GETTEXT_SCHEME@@"
ac06116d 26elif test -n "$GIT_INTERNAL_GETTEXT_TEST_FALLBACKS"
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27then
28 : no probing necessary
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29elif type gettext.sh >/dev/null 2>&1
30then
31 # GNU libintl's gettext.sh
32 GIT_INTERNAL_GETTEXT_SH_SCHEME=gnu
33elif test "$(gettext -h 2>&1)" = "-h"
34then
35 # gettext binary exists but no gettext.sh. likely to be a gettext
36 # binary on a Solaris or something that is not GNU libintl and
37 # lack eval_gettext.
38 GIT_INTERNAL_GETTEXT_SH_SCHEME=gettext_without_eval_gettext
39fi
40export GIT_INTERNAL_GETTEXT_SH_SCHEME
5e9637c6 41
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42# ... and then follow that decision.
43case "$GIT_INTERNAL_GETTEXT_SH_SCHEME" in
44gnu)
45 # Use libintl's gettext.sh, or fall back to English if we can't.
46 . gettext.sh
47 ;;
48gettext_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 }
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56
57 eval_ngettext () {
58 ngettext "$1" "$2" "$3" | (
59 export PATH $(git sh-i18n--envsubst --variables "$2");
60 git sh-i18n--envsubst "$2"
61 )
62 }
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63 ;;
64poison)
65 # Emit garbage so that tests that incorrectly rely on translatable
66 # strings will fail.
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67 gettext () {
68 printf "%s" "# GETTEXT POISON #"
69 }
70
71 eval_gettext () {
72 printf "%s" "# GETTEXT POISON #"
73 }
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74
75 eval_ngettext () {
76 printf "%s" "# GETTEXT POISON #"
77 }
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78 ;;
79*)
80 gettext () {
81 printf "%s" "$1"
82 }
83
84 eval_gettext () {
85 printf "%s" "$1" | (
86 export PATH $(git sh-i18n--envsubst --variables "$1");
87 git sh-i18n--envsubst "$1"
88 )
89 }
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90
91 eval_ngettext () {
92 (test "$3" = 1 && printf "%s" "$1" || printf "%s" "$2") | (
93 export PATH $(git sh-i18n--envsubst --variables "$2");
94 git sh-i18n--envsubst "$2"
95 )
96 }
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97 ;;
98esac
e00cf070 99
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100# Git-specific wrapper functions
101gettextln () {
102 gettext "$1"
103 echo
104}
105
106eval_gettextln () {
107 eval_gettext "$1"
108 echo
109}