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bug#30785: Man pages truncated, repeated
From: |
Pierre Neidhardt |
Subject: |
bug#30785: Man pages truncated, repeated |
Date: |
Sun, 13 Jan 2019 18:31:10 +0100 |
User-agent: |
mu4e 1.0; emacs 26.1 |
Indeed. So the reason that there is an issue at all is that man-db uses
libpipeline to run a pipeline of programs.
I've used Ludo's trick to see if could get more details:
--8<---------------cut here---------------start------------->8---
address@hidden ~/projects/guix/gnu/packages$ PIPELINE_DEBUG=1
/gnu/store/fm7jlkf93bh7bw03m8hbha2b5qxjz0kz-man-db-2.8.3/bin/man emacs
Starting pipeline:
/gnu/store/h0c398zan9ibhk4w0c944vp5pwgzkfpd-gzip-1.9/bin/gzip -dc
/gnu/store/gppr8msvzgxr87psbj3w6hc07lnnzpvx-emacs-26.1/share/man/man1/emacs.1.gz
[input: {0,
/gnu/store/gppr8msvzgxr87psbj3w6hc07lnnzpvx-emacs-26.1/share/man/man1/emacs.1.gz},
output: {-1, NULL}]
Started "/gnu/store/h0c398zan9ibhk4w0c944vp5pwgzkfpd-gzip-1.9/bin/gzip", pid
13814
Waiting for pipeline:
/gnu/store/h0c398zan9ibhk4w0c944vp5pwgzkfpd-gzip-1.9/bin/gzip -dc
/gnu/store/gppr8msvzgxr87psbj3w6hc07lnnzpvx-emacs-26.1/share/man/man1/emacs.1.gz
[input: {0,
/gnu/store/gppr8msvzgxr87psbj3w6hc07lnnzpvx-emacs-26.1/share/man/man1/emacs.1.gz},
output: {-1, NULL}]
Active processes (1):
"/gnu/store/h0c398zan9ibhk4w0c944vp5pwgzkfpd-gzip-1.9/bin/gzip" (13814) -> 0
Starting pipeline:
/gnu/store/h0c398zan9ibhk4w0c944vp5pwgzkfpd-gzip-1.9/bin/gzip -dc
/gnu/store/gppr8msvzgxr87psbj3w6hc07lnnzpvx-emacs-26.1/share/man/man1/emacs.1.gz
[input: {0,
/gnu/store/gppr8msvzgxr87psbj3w6hc07lnnzpvx-emacs-26.1/share/man/man1/emacs.1.gz},
output: {-1, NULL}]
Started "/gnu/store/h0c398zan9ibhk4w0c944vp5pwgzkfpd-gzip-1.9/bin/gzip", pid
13815
Waiting for pipeline:
/gnu/store/h0c398zan9ibhk4w0c944vp5pwgzkfpd-gzip-1.9/bin/gzip -dc
/gnu/store/gppr8msvzgxr87psbj3w6hc07lnnzpvx-emacs-26.1/share/man/man1/emacs.1.gz
[input: {0,
/gnu/store/gppr8msvzgxr87psbj3w6hc07lnnzpvx-emacs-26.1/share/man/man1/emacs.1.gz},
output: {-1, NULL}]
Active processes (1):
"/gnu/store/h0c398zan9ibhk4w0c944vp5pwgzkfpd-gzip-1.9/bin/gzip" (13815) -> -1
Active processes (1):
"/gnu/store/h0c398zan9ibhk4w0c944vp5pwgzkfpd-gzip-1.9/bin/gzip" (13815) -> 0
Starting pipeline:
/gnu/store/h0c398zan9ibhk4w0c944vp5pwgzkfpd-gzip-1.9/bin/gzip -dc
/gnu/store/gppr8msvzgxr87psbj3w6hc07lnnzpvx-emacs-26.1/share/man/man1/emacs.1.gz
[input: {0,
/gnu/store/gppr8msvzgxr87psbj3w6hc07lnnzpvx-emacs-26.1/share/man/man1/emacs.1.gz},
output: {-1, NULL}]
Started "/gnu/store/h0c398zan9ibhk4w0c944vp5pwgzkfpd-gzip-1.9/bin/gzip", pid
13816
Starting pipeline: (cd /home/ambrevar/.guix-profile/share/man &&
/gnu/store/fm7jlkf93bh7bw03m8hbha2b5qxjz0kz-man-db-2.8.3/libexec/man-db/zsoelim)
| (cd /home/ambrevar/.guix-profile/share/man &&
/gnu/store/fm7jlkf93bh7bw03m8hbha2b5qxjz0kz-man-db-2.8.3/libexec/man-db/manconv
-f UTF-8:ISO-8859-1 -t UTF-8//IGNORE) | (cd
/home/ambrevar/.guix-profile/share/man &&
/gnu/store/mpjn4jfx5i8jxblfj538n22hv56rdnhw-groff-minimal-1.22.3/bin/preconv -e
UTF-8) | (cd /home/ambrevar/.guix-profile/share/man &&
/gnu/store/mpjn4jfx5i8jxblfj538n22hv56rdnhw-groff-minimal-1.22.3/bin/tbl) | (cd
/home/ambrevar/.guix-profile/share/man &&
/gnu/store/mpjn4jfx5i8jxblfj538n22hv56rdnhw-groff-minimal-1.22.3/bin/nroff
-mandoc -Tutf8) [input: {-1, NULL}, output: {-1, NULL}]
Started
"/gnu/store/fm7jlkf93bh7bw03m8hbha2b5qxjz0kz-man-db-2.8.3/libexec/man-db/zsoelim",
pid 13817
Started
"/gnu/store/fm7jlkf93bh7bw03m8hbha2b5qxjz0kz-man-db-2.8.3/libexec/man-db/manconv
-f UTF-8:ISO-8859-1 -t UTF-8//IGNORE", pid 13818
Started
"/gnu/store/mpjn4jfx5i8jxblfj538n22hv56rdnhw-groff-minimal-1.22.3/bin/preconv",
pid 13819
Started
"/gnu/store/mpjn4jfx5i8jxblfj538n22hv56rdnhw-groff-minimal-1.22.3/bin/tbl", pid
13820
Started
"/gnu/store/mpjn4jfx5i8jxblfj538n22hv56rdnhw-groff-minimal-1.22.3/bin/nroff",
pid 13821
Starting pipeline: sed -e '/^[[:space:]]*$/{ N;
/^[[:space:]]*\n[[:space:]]*$/D; }' | LESS=-ix8RmPm Manual page emacs(1)
?ltline %lt?L/%L.:byte %bB?s/%s..?e (END):?pB %pB\%.. (press h for help or q to
quit)$PM Manual page emacs(1) ?ltline %lt?L/%L.:byte %bB?s/%s..?e (END):?pB
%pB\%.. (press h for help or q to quit)$ MAN_PN=emacs(1) less -s [input: {-1,
NULL}, output: {0, NULL}]
Started "sed -e '/^[[:space:]]*$/{ N; /^[[:space:]]*\n[[:space:]]*$/D; }'", pid
13822
Started "less", pid 13823
source pipeline 0 returned error or EOF
Active processes (1):
"less" (13823) -> 0
/gnu/store/fm7jlkf93bh7bw03m8hbha2b5qxjz0kz-man-db-2.8.3/bin/man: command
exited with status 127: (cd /home/ambrevar/.guix-profile/share/man &&
/gnu/store/fm7jlkf93bh7bw03m8hbha2b5qxjz0kz-man-db-2.8.3/libexec/man-db/zsoelim)
| (cd /home/ambrevar/.guix-profile/share/man &&
/gnu/store/fm7jlkf93bh7bw03m8hbha2b5qxjz0kz-man-db-2.8.3/libexec/man-db/manconv
-f UTF-8:ISO-8859-1 -t UTF-8//IGNORE) | (cd
/home/ambrevar/.guix-profile/share/man &&
/gnu/store/mpjn4jfx5i8jxblfj538n22hv56rdnhw-groff-minimal-1.22.3/bin/preconv -e
UTF-8) | (cd /home/ambrevar/.guix-profile/share/man &&
/gnu/store/mpjn4jfx5i8jxblfj538n22hv56rdnhw-groff-minimal-1.22.3/bin/tbl) | (cd
/home/ambrevar/.guix-profile/share/man &&
/gnu/store/mpjn4jfx5i8jxblfj538n22hv56rdnhw-groff-minimal-1.22.3/bin/nroff
-mandoc -Tutf8)
--8<---------------cut here---------------end--------------->8---
I'm not sure this tells us much.
From libpipeline's documentation
(http://libpipeline.nongnu.org/libpipeline.3.html), it seems that libpipeline
accepts "program names", and it's unclear to me if it accepts full paths (would
be weird, but we never know).
If we can't figure it out, a workaround would be to wrap "man" to add
groff-minimal to PATH.
Thoughts?
--
Pierre Neidhardt
https://ambrevar.xyz/
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Description: PGP signature
- bug#30785: Man pages truncated, repeated, Pierre Neidhardt, 2019/01/13
- bug#30785: Man pages truncated, repeated, Pierre Neidhardt, 2019/01/13
- bug#30785: Man pages truncated, repeated, Ludovic Courtès, 2019/01/13
- bug#30785: Man pages truncated, repeated,
Pierre Neidhardt <=
- bug#30785: Man pages truncated, repeated, Pierre Neidhardt, 2019/01/13
- bug#30785: Man pages truncated, repeated, Ludovic Courtès, 2019/01/13
- bug#30785: Man pages truncated, repeated, Pierre Neidhardt, 2019/01/13
- bug#30785: Man pages truncated, repeated, Ludovic Courtès, 2019/01/14
- bug#30785: Man pages truncated, repeated, Pierre Neidhardt, 2019/01/14
- bug#30785: Man pages truncated, repeated, Pierre Neidhardt, 2019/01/14
- bug#30785: Man pages truncated, repeated, Gábor Boskovits, 2019/01/14
- bug#30785: Man pages truncated, repeated, Pierre Neidhardt, 2019/01/14
- bug#30785: Man pages truncated, repeated, Ludovic Courtès, 2019/01/14
- bug#30785: Man pages truncated, repeated, Pierre Neidhardt, 2019/01/14