gettext:regenerate generates un-commited files

On master(64edf6ae), without any changes, bin/rake gettext:regenerate changes a lot of files

$ bin/rake gettext:regenerate
touch /Users/tkuah/code/ee-gdk/gitlab/locale/fa_IR/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/pa_IN/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/fi_FI/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/ka_GE/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/ur_PK/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/sk_SK/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/ba_RU/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/ky_KG/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/fil_PH/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/zh_HK/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/bn_BD/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/am_ET/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/sr_SP/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/sv_SE/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/gl_ES/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/sw_KE/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/az_AZ/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/id_ID/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/pt_BR/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/ja/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/ig_NG/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/bn_IN/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/it/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/zh_TW/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/nb_NO/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/ml_IN/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/pt_PT/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/ru/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/hr_HR/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/cs_CZ/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/he_IL/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/as_IN/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/hi_IN/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/sl_SI/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/ro_RO/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/sr_CS/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/zh_CN/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/uz_UZ/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/nl_NL/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/bs_BA/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/hu_HU/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/uk/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/ar_SA/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/si_LK/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/et_EE/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/bg/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/de/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/ca_ES/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/ko/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/is_IS/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/mn_MN/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/ku_TR/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/eo/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/fr/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/es/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/en/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/cy_GB/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/el_GR/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/vi_VN/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/da_DK/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/pl_PL/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/lt_LT/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/tr_TR/gitlab.po.time_stamp
touch /Users/tkuah/code/ee-gdk/gitlab/locale/sq_AL/gitlab.po.time_stamp
error: pathspec 'locale/ml_IN/gitlab.po' did not match any file(s) known to git
All done. Please commit the changes to `locale/gitlab.pot`.

tkgl:gitlab tkuah$ git s
On branch master
Your branch is up to date with 'origin/master'.

Changes not staged for commit:
  (use "git add <file>..." to update what will be committed)
  (use "git restore <file>..." to discard changes in working directory)
	modified:   locale/am_ET/gitlab.po
	modified:   locale/ar_SA/gitlab.po
	modified:   locale/as_IN/gitlab.po
	modified:   locale/az_AZ/gitlab.po
	modified:   locale/ba_RU/gitlab.po
	modified:   locale/bg/gitlab.po
	modified:   locale/bn_BD/gitlab.po
	modified:   locale/bn_IN/gitlab.po
	modified:   locale/bs_BA/gitlab.po
	modified:   locale/ca_ES/gitlab.po
	modified:   locale/cs_CZ/gitlab.po
	modified:   locale/cy_GB/gitlab.po
	modified:   locale/da_DK/gitlab.po
	modified:   locale/de/gitlab.po
	modified:   locale/el_GR/gitlab.po
	modified:   locale/en/gitlab.po
	modified:   locale/eo/gitlab.po
	modified:   locale/es/gitlab.po
	modified:   locale/et_EE/gitlab.po
	modified:   locale/fa_IR/gitlab.po
	modified:   locale/fi_FI/gitlab.po
	modified:   locale/fil_PH/gitlab.po
	modified:   locale/fr/gitlab.po
	modified:   locale/gl_ES/gitlab.po
	modified:   locale/he_IL/gitlab.po
	modified:   locale/hi_IN/gitlab.po
	modified:   locale/hr_HR/gitlab.po
	modified:   locale/hu_HU/gitlab.po
	modified:   locale/id_ID/gitlab.po
	modified:   locale/ig_NG/gitlab.po
	modified:   locale/is_IS/gitlab.po
	modified:   locale/it/gitlab.po
	modified:   locale/ja/gitlab.po
	modified:   locale/ka_GE/gitlab.po
	modified:   locale/ko/gitlab.po
	modified:   locale/ku_TR/gitlab.po
	modified:   locale/ky_KG/gitlab.po
	modified:   locale/lt_LT/gitlab.po
	modified:   locale/mn_MN/gitlab.po
	modified:   locale/nb_NO/gitlab.po
	modified:   locale/nl_NL/gitlab.po
	modified:   locale/pa_IN/gitlab.po
	modified:   locale/pl_PL/gitlab.po
	modified:   locale/pt_BR/gitlab.po
	modified:   locale/pt_PT/gitlab.po
	modified:   locale/ro_RO/gitlab.po
	modified:   locale/ru/gitlab.po
	modified:   locale/si_LK/gitlab.po
	modified:   locale/sk_SK/gitlab.po
	modified:   locale/sl_SI/gitlab.po
	modified:   locale/sq_AL/gitlab.po
	modified:   locale/sr_CS/gitlab.po
	modified:   locale/sr_SP/gitlab.po
	modified:   locale/sv_SE/gitlab.po
	modified:   locale/sw_KE/gitlab.po
	modified:   locale/tr_TR/gitlab.po
	modified:   locale/uk/gitlab.po
	modified:   locale/ur_PK/gitlab.po
	modified:   locale/uz_UZ/gitlab.po
	modified:   locale/vi_VN/gitlab.po
	modified:   locale/zh_CN/gitlab.po
	modified:   locale/zh_HK/gitlab.po
	modified:   locale/zh_TW/gitlab.po

Untracked files:
  (use "git add <file>..." to include in what will be committed)
	locale/ml_IN/

no changes added to commit (use "git add" and/or "git commit -a")

/cc @thomasrandolph @jhyson