gitk: Fix the Makefile to cope with systems lacking msgfmt

The po2msg.sh script and the .gitignore in the po directory have been
shamelessly copied from the current git-gui.  This enables the top
level "make NO_MSGFMT" to work consistently for git across the git-gui
and gitk sub-projects.

This is the same effective patch that has previously been posted as a
git.git patch which more succinctly described the copying of
po/.gitignore and po/po2msg.sh from git-gui.

Signed-off-by: Charles Bailey <charles@hashpling.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Makefile b/Makefile
index 61585045b765287a11c88987413c002f5596f908..ae2b80b1083c18c6b0a15959fee304b6c43b3792 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -18,7 +18,12 @@ TCLTK_PATH_SQ = $(subst ','\'',$(TCLTK_PATH))
 
 ## po-file creation rules
 XGETTEXT   ?= xgettext
-MSGFMT     ?= msgfmt
+ifdef NO_MSGFMT
+       MSGFMT ?= $(TCL_PATH) po/po2msg.sh
+else
+       MSGFMT ?= msgfmt
+endif
+
 PO_TEMPLATE = po/gitk.pot
 ALL_POFILES = $(wildcard po/*.po)
 ALL_MSGFILES = $(subst .po,.msg,$(ALL_POFILES))

diff --git a/po/.gitignore b/po/.gitignore
new file mode 100644 (file)
index 0000000..e358dd1
--- /dev/null
+++ b/po/.gitignore
@@ -0,0 +1 @@
+*.msg

diff --git a/po/po2msg.sh b/po/po2msg.sh
new file mode 100644 (file)
index 0000000..c63248e
--- /dev/null
+++ b/po/po2msg.sh
@@ -0,0 +1,133 @@
+#!/bin/sh
+# Tcl ignores the next line -*- tcl -*- \
+exec tclsh "$0" -- "$@"
+
+# This is a really stupid program, which serves as an alternative to
+# msgfmt.  It _only_ translates to Tcl mode, does _not_ validate the
+# input, and does _not_ output any statistics.
+
+proc u2a {s} {
+       set res ""
+       foreach i [split $s ""] {
+               scan $i %c c
+               if {$c<128} {
+                       # escape '[', '\' and ']'
+                       if {$c == 0x5b || $c == 0x5d} {
+                               append res "\\"
+                       }
+                       append res $i
+               } else {
+                       append res \\u[format %04.4x $c]
+               }
+       }
+       return $res
+}
+
+set output_directory "."
+set lang "dummy"
+set files [list]
+set show_statistics 0
+
+# parse options
+for {set i 0} {$i < $argc} {incr i} {
+       set arg [lindex $argv $i]
+       if {$arg == "--statistics"} {
+               incr show_statistics
+               continue
+       }
+       if {$arg == "--tcl"} {
+               # we know
+               continue
+       }
+       if {$arg == "-l"} {
+               incr i
+               set lang [lindex $argv $i]
+               continue
+       }
+       if {$arg == "-d"} {
+               incr i
+               set tmp [lindex $argv $i]
+               regsub "\[^/\]$" $tmp "&/" output_directory
+               continue
+       }
+       lappend files $arg
+}
+
+proc flush_msg {} {
+       global msgid msgstr mode lang out fuzzy
+       global translated_count fuzzy_count not_translated_count
+
+       if {![info exists msgid] || $mode == ""} {
+               return
+       }
+       set mode ""
+       if {$fuzzy == 1} {
+               incr fuzzy_count
+               set fuzzy 0
+               return
+       }
+
+       if {$msgid == ""} {
+               set prefix "set ::msgcat::header"
+       } else {
+               if {$msgstr == ""} {
+                       incr not_translated_count
+                       return
+               }
+               set prefix "::msgcat::mcset $lang \"[u2a $msgid]\""
+               incr translated_count
+       }
+
+       puts $out "$prefix \"[u2a $msgstr]\""
+}
+
+set fuzzy 0
+set translated_count 0
+set fuzzy_count 0
+set not_translated_count 0
+foreach file $files {
+       regsub "^.*/\(\[^/\]*\)\.po$" $file "$output_directory\\1.msg" outfile
+       set in [open $file "r"]
+       fconfigure $in -encoding utf-8
+       set out [open $outfile "w"]
+
+       set mode ""
+       while {[gets $in line] >= 0} {
+               if {[regexp "^#" $line]} {
+                       if {[regexp ", fuzzy" $line]} {
+                               set fuzzy 1
+                       } else {
+                               flush_msg
+                       }
+                       continue
+               } elseif {[regexp "^msgid \"(.*)\"$" $line dummy match]} {
+                       flush_msg
+                       set msgid $match
+                       set mode "msgid"
+               } elseif {[regexp "^msgstr \"(.*)\"$" $line dummy match]} {
+                       set msgstr $match
+                       set mode "msgstr"
+               } elseif {$line == ""} {
+                       flush_msg
+               } elseif {[regexp "^\"(.*)\"$" $line dummy match]} {
+                       if {$mode == "msgid"} {
+                               append msgid $match
+                       } elseif {$mode == "msgstr"} {
+                               append msgstr $match
+                       } else {
+                               puts stderr "I do not know what to do: $match"
+                       }
+               } else {
+                       puts stderr "Cannot handle $line"
+               }
+       }
+       flush_msg
+       close $in
+       close $out
+}
+
+if {$show_statistics} {
+       puts [concat "$translated_count translated messages, " \
+               "$fuzzy_count fuzzy ones, " \
+               "$not_translated_count untranslated ones."]
+}