#!/bin/bash -eu

# This uses bash for the <() syntax.

# TODO: Is there a way we can ignore files with only fuzzy-string changes?

# These are the languages which are maintained in Transifex.

transifex_languages="sq ar ar_SA hy hy_AM ast be brx br my_MM ca cs nl en_AU en_GB et fi gl ka de el he hi hu id ga it ja ks kk km ku_IQ lv lt mai ms_MY mr ne nqo nb nn oc pa fa pl pt pt_BR ro ru szl sd sl es es_AR sv tt te tr uk uz cy

"

if ! which tx > /dev/null

then

cat >&2 << EOF

You must install the Transifex command-line client:

http://docs.transifex.com/client/setup/

EOF

exit 1

fi

cat << EOF

This script assumes your working tree is clean, at least in the po directory.

It pulls the translations from Transifex, works out what has changed, and

COMMITS intltool-update changes without prompting. It then leaves the

remaining changes for manual review and committing.

Ctrl-C now to abort...

EOF

sleep 10

if [ -d po ]

then

cd po

fi

changed_files=

commitable_files=

for i in $transifex_languages

do

if [ -e $i.po ]

then

cp $i.po $i.po.original

XGETTEXT_ARGS=--no-location intltool-update $i

cp $i.po $i.po.cleaned

fi

tx pull -f -l $i

XGETTEXT_ARGS=--no-location intltool-update $i

if [ -e $i.po.cleaned ]

then

if cmp -s <(grep ^msg $i.po.cleaned) <(grep ^msg $i.po)

then

# There were no actual changes.

mv $i.po.original $i.po

else

# There were changes.

mv $i.po $i.po.transifex

changed_files="$changed_files $i.po"

if cmp -s <(grep ^msg $i.po.original) <(grep ^msg $i.po.cleaned)

then

# The cleaning produced no actual changes; undo the cleaning.

mv $i.po.original $i.po

else

# The cleaning produced changes; leave it for committing.

mv $i.po.cleaned $i.po

commitable_files="$commitable_files $i.po"

fi

fi

fi

rm -f $i.po.original $i.po.cleaned

done

# Commit cleaned versions of the changed files.

if [ -n "$commitable_files" ]

then

hg commit -u "Pidgin Translators <translators@pidgin.im>" \

-m "Clean changed translations" $commitable_files

fi

# Leave the cleaned Transifex versions in place, ready for committing.

for i in $changed_files

do

mv $i.transifex $i

done