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bug#48018: ImageMagick’s ‘convert’ fails to delegate to ‘dwebp’
From: |
Ludovic Courtès |
Subject: |
bug#48018: ImageMagick’s ‘convert’ fails to delegate to ‘dwebp’ |
Date: |
Sun, 25 Apr 2021 15:38:42 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) |
ImageMagick’s ‘convert’ refers to the ‘dwebp’ program with a leading
space, which prevents conversion to/from webp:
--8<---------------cut here---------------start------------->8---
$ guix time-machine --commit=2a624253bc55e2a94f6581d6e790303575436c96 -- \
environment -C --ad-hoc strace imagemagick libwebp -- \
strace -f -e execve convert t.webp t.png
execve("/gnu/store/2rmnafvwqvl460qa370gn18yl09dx91h-profile/bin/convert",
["convert", "t.webp", "t.png"], 0x7ffe6637b988 /* 10 vars */) = 0
strace: Process 5 attached
[pid 5] execve("/gnu/store/2rmnafvwqvl460qa370gn18yl09dx91h-profile/bin/
dwebp", [" dwebp", "-pam", "/tmp/magick-FacyU5v0_s0CnpxpMzs0"..., "-o",
"/tmp/magick-4R_OusxZBx5fjGrfq0KU"...], 0x7ffd7f3538e8 /* 10 vars */) = -1
ENOENT (No such file or directory)
[pid 5] +++ exited with 1 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=1000,
si_status=1, si_utime=0, si_stime=0} ---
convert: unable to open image `t.webp': No such file or directory @
error/blob.c/OpenBlob/2924.
convert: delegate failed `' dwebp' -pam '%i' -o '%o'' @
error/delegate.c/InvokeDelegate/1970.
convert: unable to open file `/tmp/magick-e8GzrEcauG0mZICNZggy_vG77mtn29lu': No
such file or directory @ error/constitute.c/ReadImage/615.
convert: no images defined `t.png' @ error/convert.c/ConvertImageCommand/3229.
+++ exited with 1 +++
--8<---------------cut here---------------end--------------->8---
Ludo’.
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