From d9f9613fdaba65f16c4e9c4116ea107cf4889504 Mon Sep 17 00:00:00 2001
From: Filip Komar <filip@mageia.org>
Date: Tue, 11 Mar 2014 22:00:55 +0000
Subject: do not regenerate pot and po files if there are no changes in the
 source

---
 tools/extract2gettext.php         |  3 ++-
 tools/rebuild_gettext_catalogs.sh | 36 ++++++++++++++++++++++++------------
 2 files changed, 26 insertions(+), 13 deletions(-)

(limited to 'tools')

diff --git a/tools/extract2gettext.php b/tools/extract2gettext.php
index 8eff15de0..1cbdb3a17 100644
--- a/tools/extract2gettext.php
+++ b/tools/extract2gettext.php
@@ -87,7 +87,8 @@ foreach ($strings as $domain => $strs) {
     $f[]     = '# This file is distributed under the same license as';
     $f[]     = '# the content of the corresponding web page(s).';
     $f[]     = '#';
-    $f[]     = sprintf('# Generated by extract2gettext.php on %s', $cur_date = date('Y-m-d H:i:sO'));
+    $cur_date = date('Y-m-d H:i:sO');
+    $f[]     = '# Generated by extract2gettext.php';
     $f[]     = sprintf('# Domain: %s', $domain);
     $f[]     = '#';
     $f[]     = '# include translation strings from:';
diff --git a/tools/rebuild_gettext_catalogs.sh b/tools/rebuild_gettext_catalogs.sh
index 93e78c8df..afe8564af 100755
--- a/tools/rebuild_gettext_catalogs.sh
+++ b/tools/rebuild_gettext_catalogs.sh
@@ -16,16 +16,29 @@ fi
 
 for resource in "${!resources[@]}"
 do
+    if [ -f ./langs/en/$resource.pot ]; then # do a temporary copy
+        cp ./langs/en/$resource.pot ./langs/en/$resource.copy
+    fi
     php_source=${resources[$resource]}
     php tools/extract2gettext.php $php_source $resource true
     php_error_level=$? # catch php error level
-    error=$php_error_level
-    error_in_source=$php_source
-    errors[$php_source]=$php_sourc$php_error_level
-    if [ -f ./langs/en/$resource.pot ]; then # cut too long lines
+    errors[$php_source]=$php_error_level
+    if [ -f ./langs/en/$resource.pot ]; then # msgmerge check of generated pot file
         msgmerge --quiet --no-wrap ./langs/en/$resource.pot ./langs/en/$resource.pot > ./langs/en/$resource.tmp
-        mv ./langs/en/$resource.tmp ./langs/en/$resource.pot
-
+        if [ -f ./langs/en/$resource.copy ]; then
+            diff --ignore-matching-lines='^"POT-Creation-Date:' ./langs/en/$resource.tmp ./langs/en/$resource.copy
+            if [ $? -eq 1 ]; then # there are differences
+                errors[$php_source]=0
+                mv ./langs/en/$resource.tmp ./langs/en/$resource.pot
+            else # Cleanup as there are no changes in $resource
+                errors[$php_source]=5
+                rm ./langs/en/$resource.tmp
+                mv ./langs/en/$resource.copy ./langs/en/$resource.pot
+                difference=none
+            fi
+        else
+            mv ./langs/en/$resource.tmp ./langs/en/$resource.pot
+        fi
         for directory in ./langs/*
         do
             # in each language directory except source
@@ -36,21 +49,19 @@ do
                     python tools/translated_converter.py --filename $directory/$resource
                     python_error_level=$? # catch python error level
                     if [ $python_error_level -gt 0 ]; then
-                        error=50
-                        error_in_source=$directory/$resource
+                        errors[$directory/$resource]=50
                     fi
                 fi
-                if [ -f $directory/$resource.po ]; then # update po file if it exists
+                if [ -f $directory/$resource.po ] && [ -z $difference ]; then # update po file if it exists
 #                    msgfmt --statistics --verbose -c $directory/$resource.po -o /dev/null # usefull for debuging (msgctxt "/web/en/ or msgctxt "en/)
+                    echo merging $directory
                     msgmerge --quiet --no-wrap $directory/$resource.po ./langs/en/$resource.pot > $directory/$resource.tmp
                     msgmerge_error_level=$? # catch msgmerge error level
                     mv $directory/$resource.tmp $directory/$resource.po
 #                    msgfmt --statistics --verbose -c $directory/$resource.po -o /dev/null # usefull for debuging (msgctxt "/web/en/ or msgctxt "en/)
                     if [ $msgmerge_error_level -gt 0 ]; then
-                        error=60
-                        error_in_source=$directory/$resource
+                        errors[$directory/$resource]=60
                         echo "$directory"/$resource.po could not be created succesfully
-                        errors[$resource]=$resource$msgmerge_error_level
                     fi
                 fi
             fi
@@ -65,6 +76,7 @@ do
     case ${errors[$error_in_source]} in
          0)  echo "Done lookup for _g() and _r() in $error_in_source. Gettext catalogs (pot files) rebuilded. Existing po files updated." ;;
          1)  echo "Unkown error!!" ;;
+         5)  echo "There are no changes in $error_in_source." ;;
         10)  echo "No strings to save from $error_in_source!" ;;
         20)  echo "!!!! Parse error, please fix $error_in_source first !!!! See details above." ;;
         30)  echo "!!!! Failed to write $error_in_source !!!! See details above." ;;
-- 
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