mirror of
https://github.com/MidnightCommander/mc
synced 2024-12-23 21:06:52 +03:00
ebbdc8847e
...to prevent leaving wal/shm files after viewing sqlite database.
The problem I often had with viewing .sqlite files with mc is that
exiting the view mode mid-way may leave .wal/.shm files in the database
directory.
This never caused any actual issues, but a bit annoying, since leftover
.wal files are often a sign that the program working with the database
exited ungracefully.
This effectively reproduces mc's behaviour:
/tmp/testsqlite $ rm -f *-wal *-shm && sqlite3 "/tmp/testsqlite/db file.sqlite" .dump | head >/dev/null && ls -1 /tmp/testsqlite/
'db file.sqlite'
'db file.sqlite-shm'
'db file.sqlite-wal'
After the change -- no shm/wal files
/tmp/testsqlite $ rm -f *-wal *-shm && sqlite3 "file:/tmp/testsqlite/db file.sqlite?immutable=1" .dump | head >/dev/null && ls -1 /tmp/testsqlite/
'db file.sqlite'
You can find the docs on immutable mode here:
https://www.sqlite.org/uri.html#uriimmutable
Immutable mode has been supported in sqlite since 2014:
https://www.sqlite.org/changes.html#version_3_8_5
In case user's sqlite installation is older, the mode is just quietly
ignored, so the change is backwards compatible.
Signed-off-by: Andrew Borodin <aborodin@vmail.ru>
102 lines
2.2 KiB
Bash
102 lines
2.2 KiB
Bash
#!/bin/sh
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# $1 - action
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# $2 - type of file
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action=$1
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filetype=$2
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[ -n "${MC_XDG_OPEN}" ] || MC_XDG_OPEN="xdg-open"
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do_view_action() {
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filetype=$1
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case "${filetype}" in
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iso9660)
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if which isoinfo > /dev/null 2>&1; then
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isoinfo -d -i "${MC_EXT_FILENAME}" && isoinfo -l -R -J -i "${MC_EXT_FILENAME}"
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else
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7za l "${MC_EXT_FILENAME}"
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fi
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;;
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cat)
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cat "${MC_EXT_FILENAME}" 2>/dev/null
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;;
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ar)
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file "${MC_EXT_FILENAME}" && nm -C "${MC_EXT_FILENAME}"
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;;
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lib)
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gplib -t "${MC_EXT_FILENAME}" | \
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@PERL@ -e 'while (<>) { @a=split /[\s\t]+/, $_; printf ("%-30s | %10d | %s.%s.%02d | %s\n", $a[0], ($a[1]*1),$a[7], lc($a[4]), $a[5], $a[6]);}'
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;;
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so)
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file "${MC_EXT_FILENAME}" && nm -C -D "${MC_EXT_FILENAME}"
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;;
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elf)
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file "${MC_EXT_FILENAME}" && nm -C "${MC_EXT_FILENAME}"
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;;
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dbf)
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dbview -b "${MC_EXT_FILENAME}"
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;;
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sqlite)
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sqlite3 "file:${MC_EXT_FILENAME}?immutable=1" .dump
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;;
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mo)
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msgunfmt "${MC_EXT_FILENAME}" || \
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cat "${MC_EXT_FILENAME}"
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;;
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lyx)
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lyxcat "${MC_EXT_FILENAME}"
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;;
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torrent)
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ctorrent -x "${MC_EXT_FILENAME}" 2>/dev/null
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;;
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javaclass)
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jad -p "${MC_EXT_FILENAME}" 2>/dev/null || \
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(file -b "${MC_EXT_FILENAME}"; javap -private "${MC_EXT_FILENAME}" 2>/dev/null)
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;;
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*)
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;;
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esac
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}
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do_open_action() {
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filetype=$1
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case "${filetype}" in
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dbf)
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dbview "${MC_EXT_FILENAME}"
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;;
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sqlite)
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sqlite3 "${MC_EXT_FILENAME}"
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;;
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glade)
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if which glade-3 >/dev/null 2>&1; then
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(glade-3 "${MC_EXT_FILENAME}" >/dev/null 2>&1 &)
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else
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(glade-2 "${MC_EXT_FILENAME}" >/dev/null 2>&1 &)
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fi
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;;
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po)
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(poedit "${MC_EXT_FILENAME}" >/dev/null 2>&1 &)
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;;
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lyx)
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lyx "${MC_EXT_FILENAME}"
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;;
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*)
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;;
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esac
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}
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case "${action}" in
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view)
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do_view_action "${filetype}"
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;;
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open)
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("${MC_XDG_OPEN}" "${MC_EXT_FILENAME}" >/dev/null 2>&1) || \
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do_open_action "${filetype}"
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;;
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*)
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;;
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esac
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