How to ask Firefox to store temporary files in /tmp/mozilla_${USER}0
I am using Firefox on Linux. Recently I noticed that Firefox changes the location temporary download files are saved.
For example, I ask Firefox to always ask when downloading a PDF file, then I click on a link to a PDF file. A dialog window pops out and I select "Open with (application name)". Then Firefox saves the PDF file in some location and opens the file with the application I select.
The problem is that I want to modify the some location above. An earlier version saves the file to `/tmp/mozilla_${USER}0`, where `${USER}` is my username on Linux. However, I recently noticed that this location is changed to `~/Downloads`. For some of reasons I want to keep my Downloads folder manually managed. Is there a way to change the temporary download location back to `/tmp/mozilla_${USER}0`?
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You could try the following. I don't know whether it works if you choose to open a file. The quote is from searchfox. org. The relevant preference is in bold and in about:config.
browser.download.useDownloadDir - bool True - Save files directly to the folder configured via the browser.download.folderList preference. False - Always ask the user where to save a file and default to browser.download.lastDir when displaying a folder picker dialog
https://support.mozilla.org/en-US/kb/about-config-editor-firefox
terry21 wrote
You could try the following. I don't know whether it works if you choose to open a file. The quote is from searchfox. org. The relevant preference is in bold and in about:config. browser.download.useDownloadDir - bool True - Save files directly to the folder configured via the browser.download.folderList preference. False - Always ask the user where to save a file and default to browser.download.lastDir when displaying a folder picker dialog https://support.mozilla.org/en-US/kb/about-config-editor-firefox
Thanks for the answer. That gives me a good hint.
Looks like the important source code is in "async getPreferredDownloadsDirectory() {" in https://searchfox.org/mozilla-central/source/toolkit/components/downloads/DownloadIntegration.jsm . When "browser.download.folderList = 2", the configuration option "browser.download.dir" is used.
So for me, I need to perform the following
- Set "browser.download.folderList" to 2
- Add a new configuration option "browser.download.dir", type is string, value is "/tmp/mozilla_${USER}0"
- Find a way to create "/tmp/mozilla_${USER}0" manually every time I open Firefox
The above workaround works. Still, I hope there is a cleaner solution.
I have long used the setting I mentioned. The file picker gives me the option to create a folder and I can add the parent folder as a 'location' in the left pane of the file picker.