__package_update_index: optional --maxage <seconds>-parameter for apt

`--maxage 3600` ensures that `apt-get --quiet update` is only done if
the previous run was at least 1 hour ago.

This also adds messaging
This commit is contained in:
tom 2018-01-30 13:16:29 +01:00 committed by Thomas Eckert
parent 950f00d1a4
commit 179c5a2dfe
4 changed files with 44 additions and 2 deletions

View file

@ -0,0 +1,15 @@
#!/bin/sh -e
os="$("$__explorer/os")"
case "$os" in
debian|ubuntu|devuan)
if [ -f "/var/cache/apt/pkgcache.bin" ]; then
echo $(($(date +"%s")-$(stat --format '%Y' /var/cache/apt/pkgcache.bin)))
else
echo 0
fi
;;
*) ## not supported $os
;;
esac

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@ -22,6 +22,10 @@
#
type="$__object/parameter/type"
if [ -f "$__object/parameter/maxage" ]; then
maxage="$(cat "$__object/parameter/maxage")"
currage="$(cat "$__object/explorer/currage")"
fi
if [ -f "$type" ]; then
type="$(cat "$type")"
@ -39,9 +43,23 @@ else
esac
fi
if [ -n "$maxage" ] && [ "$type" != "apt" ]; then
echo "ERROR: \"--maxage\" only supported for \"apt\" pkg-manager." >&2
exit 1
fi
case "$type" in
yum) ;;
apt) echo "apt-get --quiet update" ;;
apt) if [ -n "$maxage" ]; then
## check if we need to update:
if [ $currage -ge $maxage ]; then
echo "apt-get --quiet update"
fi
else
echo "apt-get --quiet update"
fi
echo "apt-cache updated (age was: $currage)" >> "$__messages_out"
;;
pacman) echo "pacman --noprogressbar --sync --refresh" ;;
*)
echo "Don't know how to manage packages on: $os" >&2

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@ -27,6 +27,9 @@ type
* yum for Red Hat
* pacman for Arch Linux
maxage
Available for package manager apt, max time in seconds since last update.
Repo update is skipped if maxage is not reached yet.
EXAMPLES
--------
@ -39,10 +42,15 @@ EXAMPLES
# Force use of a specific package manager
__package_update_index --type apt
# Only update every hour:
__package_update_index --maxage 3600 --type apt
# same as avove (on apt-type systems):
__package_update_index --maxage 3600
AUTHORS
-------
Ricardo Catalinas Jiménez <jimenezrick--@--gmail.com>
| Ricardo Catalinas Jiménez <jimenezrick--@--gmail.com>
| Thomas Eckert <tom--@--it-eckert.de>
COPYING

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@ -1 +1,2 @@
type
maxage