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Some weeks ago, after running `guix pull` and `guix home reconfigure ~/.config/guix/home.scm`, my telegram-desktop stopped working. It showed no error messages whatsoever, running it just didn't start a process. Given particular circumstances, I did no further investigation, and did not write a bug report, only switched the pull commit and reconfigured my home.
Some days later, I guix pulled and reconfigured my home again, this time to the latest commit, and telegram-desktop was fixed, but mpv was acting exactly the same, since I didn't investigate the first time, can't affirm it's the same problem, but seems plausible.
Relevant information:
```
+radio at buer in ~ > strace mpv --help
execve("/home/radio/.guix-home/profile/bin/mpv", ["mpv", "--help"], 0x7ffd853ab2d8 /* 84 vars */) = -1 ENOEXEC (Exec format error)
strace: exec: Exec format error
+++ exited with 1 +++
```
```
+radio at buer in ~ > file $(which mpv)
/home/radio/.guix-home/profile/bin/mpv: symbolic link to /gnu/store/fqxxf5kdjf6d67szgh5rz64mzkxwm2yx-mpv-0.36.0/bin/mpv
```
```
+radio at buer in ~ > file /gnu/store/fqxxf5kdjf6d67szgh5rz64mzkxwm2yx-mpv-0.36.0/bin/mpv
/gnu/store/fqxxf5kdjf6d67szgh5rz64mzkxwm2yx-mpv-0.36.0/bin/mpv: empty
```
```
+radio at buer in ~ > guix describe
Generation 127 Oct 31 2023 08:36:59 (current)
radix 58fe4d3
repository URL: https://codeberg.org/anemofilia/radix
branch: main
commit: 58fe4d318f44103c30465da0af810b3f00aa0b9d
guix c089537
repository URL: https://git.savannah.gnu.org/git/guix.git
branch: master
commit: c0895371c5759c7d9edb330774e90f192cc4cf2c
```
A friend on the #guix IRC channel tried to reproduce the error, but got an working mpv, with the exact same hash.
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