Here is the missing attachment ;-)
On Fri, 2023-09-22 at 21:01 +0200, rsync--- via rsync wrote: > On Fri, 2023-09-22 at 07:37 -0400, Kevin Korb wrote: > > So I decided to do a quick test using the Linux kernel source tree since > > it has lots of files. > > Excellent idea using kernel sources! A lot of different files... > I will use this to create indicative benchmarks for different scenarios... > > > I duplicated a tree, used 'find . -type f -exec > > chmod 444 {} +' to make read only files for rsync to want to chmod, then > > used cp -al to make several duplicate trees using hard linked files. > > [...] > > But also, I did not experience the problem you are describing. My > > surviving > > hard links in the duplicate trees were still 444. > > If attached a script that does the same (with one file instead of the kernel > source tree) > but in my case 444 became 644 again. > > - Q: Which rsync version, distro and file system do you use? > > - Q: Does my attached script reproduce the permission change? > > - Q: Did my script attached to the initial post here reproduce the permission > change? > > > > PS: In my case the attached script shows (excerpt): > > ./setup_cp_al.sh > > Tested with > - rsync version 3.2.7 protocol version 31 > - ext4 file system > - Ubuntu 22.04 > > File stats BEFORE rsync --delete: > > File: snapshot2/read_only.txt > Size: 0 Blocks: 0 IO Block: 4096 regular empty file > Device: 10305h/66309d Inode: 17571021 Links: 3 > Access: (0444/-r--r--r--) Uid: ( 1000/ user1) Gid: ( 1000/ user1) > Access: 2023-09-22 20:51:16.690961150 +0200 > Modify: 2023-09-22 20:51:16.690961150 +0200 > Change: 2023-09-22 20:51:16.694961109 +0200 > Birth: 2023-09-22 20:51:16.690961150 +0200 > > File stats AFTER rsync --delete > > File: snapshot2/read_only.txt > Size: 0 Blocks: 0 IO Block: 4096 regular empty file > Device: 10305h/66309d Inode: 17571021 Links: 2 > Access: (0644/-rw-r--r--) Uid: ( 1000/ user1) Gid: ( 1000/ user1) > Access: 2023-09-22 20:51:16.690961150 +0200 > Modify: 2023-09-22 20:51:16.690961150 +0200 > Change: 2023-09-22 20:51:16.694961109 +0200 > Birth: 2023-09-22 20:51:16.690961150 +0200 > > Results (after deleting snapshot1 via rsync --delete): > 1. The 'Change' time of the hardlinked file was updated > 2. The hardlinked file has now different access rights (644 instead of 444 so > it is writable again!) > This does NOT happen if 'rm -f snapshot1/' is used! > >
setup_cp_al.sh
Description: application/shellscript
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