mtime of existing directories starting with ~ is always 0 in the registry cache #2797
Description
Distribution and Version
Fedora 42, 43
Desktop Environment and Version
happens with any desktop environment when
Session Type
Wayland
Application and Version
not related to any specific application
IBus version
ibus-1.5.33~beta1-2.fc43.x86_64, ibus-1.5.32-6.fc42.x86_64
Issue Description
Currently, the mtime of files or directories in observed-paths which start with a ~ is always 0, no matter whether they exist or not and no matter whether something changed there or not. For example:
(base) mfabian@hathi:/local/mfabian/src/ibus (observed-path-tilde *$%)
$ ibus read-cache | grep mtime
<path mtime="1756572087" type="dir" path="/usr/share/ibus/component">
<path mtime="1737072000" >/usr/share/ibus/component/libzhuyin.xml</path>
<path mtime="1750896000" >/usr/share/ibus/component/dconf.xml</path>
<path mtime="1737072000" >/usr/share/ibus/component/kkc.xml</path>
<path mtime="1756367111" >/usr/share/ibus/component/simple.xml</path>
<path mtime="1737072000" >/usr/share/ibus/component/sayura.xml</path>
<path mtime="1739836800" >/usr/share/ibus/component/anthy.xml</path>
<path mtime="0" >~/.config/ibus-anthy/engines.xml</path>
<path mtime="1739836800" >/usr/share/ibus-anthy/engine/default.xml</path>
<path mtime="1737072000" >/usr/share/ibus/component/mozc.xml</path>
<path mtime="1736899200" >/usr/share/ibus/component/stt.xml</path>
<path mtime="1745778627" >/usr/share/ibus-stt</path>
<path mtime="1745778627" >/usr/share/ibus-stt/formatting</path>
<path mtime="1745778627" >/usr/share/ibus-stt/numbers</path>
<path mtime="1754697600" >/usr/share/ibus/component/table.xml</path>
<path mtime="1754764688" >/usr/share/ibus-table/tables/</path>
<path mtime="1750896000" >/usr/share/ibus/component/gtkextension.xml</path>
<path mtime="1698138400" >/usr/share/ibus/component/hiragana.xml</path>
<path mtime="1737072000" >/usr/share/ibus/component/uniemoji.xml</path>
<path mtime="1753747200" >/usr/share/ibus/component/typing-booster.xml</path>
<path mtime="1757432450" >/usr/share/ibus-typing-booster/data/</path>
<path mtime="1757446041" >/usr/share/ibus-typing-booster/data/annotationsDerived</path>
<path mtime="1757446041" >/usr/share/ibus-typing-booster/data/annotations</path>
<path mtime="0" >/usr/local/share/m17n/</path>
<path mtime="1749571828" >/usr/share/m17n/</path>
<path mtime="1745777823" >/usr/share/m17n/icons</path>
<path mtime="1745777802" >/usr/share/m17n/scripts</path>
<path mtime="0" >~/.m17n.d/</path>
<path mtime="1737072000" >/usr/share/ibus/component/org.freedesktop.cangjie.ibus.Quick.xml</path>
<path mtime="1737072000" >/usr/share/ibus/component/hangul.xml</path>
<path mtime="1755993600" >/usr/share/ibus/component/chewing.xml</path>
<path mtime="1737072000" >/usr/share/ibus/component/org.freedesktop.cangjie.ibus.Cangjie.xml</path>
<path mtime="1743984000" >/usr/share/ibus/component/m17n.xml</path>
<path mtime="1749571828" >/usr/share/m17n/</path>
<path mtime="1745777823" >/usr/share/m17n/icons</path>
<path mtime="1745777802" >/usr/share/m17n/scripts</path>
<path mtime="1749552043" >/usr/share/ibus-m17n/default.xml</path>
<path mtime="0" >~/.m17n.d/</path>
<path mtime="1751983814" >/usr/share/ibus/component/braille.xml</path>
<path mtime="1750896000" >/usr/share/ibus/component/gtkpanel.xml</path>
<path mtime="1750723200" >/usr/share/ibus/component/libpinyin.xml</path>
<path mtime="0" >~/.config/ibus/libpinyin/engines.xml</path>
<path mtime="1750723200" >/usr/share/ibus-libpinyin/default.xml</path>
<path mtime="1737072000" >/usr/share/ibus/component/unikey.xml</path>
<path mtime="1660579645" >/usr/share/ibus/component/openbangla.xml</path>
(base) mfabian@hathi:/local/mfabian/src/ibus (observed-path-tilde *$%)
$ ls ~/.config/ibus-anthy/engines.xml
ls: '/home/mfabian/.config/ibus-anthy/engines.xml' にアクセスできません: そのようなファイルやディレクトリはありません
(base) mfabian@hathi:/local/mfabian/src/ibus (observed-path-tilde *$%)
$ ls /usr/local/share/m17n/
ls: '/usr/local/share/m17n/' にアクセスできません: そのようなファイルやディレクトリはありません
(base) mfabian@hathi:/local/mfabian/src/ibus (observed-path-tilde *$%)
$ ls ~/.m17n.d/
bn-bijoyClassic.mim config.mic-20250504 ipa-x-sampa.mim mdb.dir test-savannah-67107-2.mim test.mim.~3~ yi-telmac.mim
bn-bijoyUnicode.mim config.mic.~1~ ispell.mim nil-mike.mim test-savannah-67107-2.mim.~1~ test.mim.~4~
'bn-khipro(old).mim' cop-greek-kbd.mim ja-skip.mim russian-elecom.mim test-savannah-67107.mim tokipona.mim
bn-khipro-26.2.mim@ cuneiform.mim@ latex.mim t-test-mike.mim test-savannah-67107.mim.~1~ tokipona.mim.orig
bn-national-jatiya.mim@ emoticon-table.mim latn-pre.mim te-itrans-itt533.mim test.mim unicode-names.mim
config.mic german-mike.mim lean-multi-choice.mim test-issue-746.mim test.mim.~1~ vi-telex-mcsinyx.mim
config.mic-20220831 icons/ lean.mim test-issue-746.mim.~1~ test.mim.~2~ xsampa.mim
(base) mfabian@hathi:/local/mfabian/src/ibus (observed-path-tilde *$%)
I.e. for ~/.config/ibus-anthy/engines.xml and /usr/local/share/m17n/ it is OK that the mtime is 0 because they don't exist.
But ~/.m17n.d/ does exist, so the real mtime should be used.
The reason why getting the mtime fails is that ~ is not expanded before calling g_stat ().
Steps to Reproduce
1. Make sure `~/.m17n.d` exists: `mkdir ~/.m17n.d`
2. `touch ~/.m17n.d`
3. `ibus write-cache`
4. `ibus read-cache | grep mtime`
Look for the `mtime` for the `~/.m17n.d` directory in the `ibus read-cache` output, it is always 0.Can you reproduce your problem when you restart ibus-daemon? (yes / no)
Yes.
Do you see any errors when you run ibus-daemon with the verbose option?
No.
Can you reproduce your problem with a new user account instead of the
current your account? (yes / no)
Yes.
Add any other context about the problem here.
No response
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