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|
#!/bin/sh
set -e
if [ "$VCS" = git ]; then
dir=.git
file=.gitignore
elif [ "$VCS" = hg ]; then
dir=.hg
file=.hgignore
elif [ "$VCS" = bzr ]; then
dir=.bzr
file=.bzrignore
elif [ "$VCS" = darcs ]; then
dir=_darcs
file=.darcsignore
else
echo "etckeeper: unsupported VCS $VCS" >&2
exit 1
fi
if [ ! -d "$dir" ]; then
exit 0
fi
managed_by_etckeeper="managed by etckeeper"
nl() {
echo >>"$file"
}
comment() {
comment="$1"
echo "# $comment" >>"$file"
}
ignore() {
glob="$1"
case "$VCS" in
git)
# escape "#" in ignores, as otherwise it may
# be considered a comment
echo "$glob" | sed 's/#/\\#/g' >>"$file"
;;
bzr)
echo "$glob" >>"$file"
;;
hg)
# rather than converting the glob to a regexp, just
# configure hg to use globs
if [ -z "$hg_syntax_printed" ]; then
comment "use glob syntax"
echo "syntax: glob" >>"$file"
nl
hg_syntax_printed=1
fi
echo "$glob" | sed 's/#/\\#/g' >>"$file"
;;
darcs)
# darcs doesn't understand globs, so we need to
# translate them into regexs. Not a complete converter,
# but suitable for given globs.
if [ "${glob%\*}" != "$glob" ]; then
glob="${glob%\*}"
else
glob="$glob"'($|/)'
fi
if [ "${glob#\*}" != "$glob" ]; then
glob="${glob#\*}"
else
glob='(^|/)'"$glob"
fi
glob="$( printf %s $glob | sed -e 's/\./\\./g;s/\*/[^\/]*/g;s/\?/[^\/]/g' )"
echo "$glob" >>"$file"
esac
}
writefile () {
comment "begin section $managed_by_etckeeper (do not edit this section by hand)"
nl
if [ "$VCS" = darcs ]; then
darcs setpref boringfile .darcsignore
fi
if [ "$LOWLEVEL_PACKAGE_MANAGER" = dpkg ]; then
comment "new and old versions of conffiles, stored by dpkg"
ignore "*.dpkg-*"
comment "new and old versions of conffiles, stored by ucf"
ignore "*.ucf-*"
nl
elif [ "$LOWLEVEL_PACKAGE_MANAGER" = "rpm" ]; then
comment "new and old versions of conffiles, stored by apt/rpm"
ignore "*.rpm*"
nl
elif [ "$LOWLEVEL_PACKAGE_MANAGER" = "pacman-g2" ]; then
comment "new and old versions of conffiles, stored by pacman"
ignore "*.pacnew"
ignore "*.pacorig"
ignore "*.pacsave"
nl
fi
comment "old versions of files"
ignore "*.old"
# Not currently ignored as admins tend to rely on these files.
#ignore "passwd-"
#ignore "group-"
#ignore "shadow-"
#ignore "gshadow-"
nl
comment "mount(8) records system state here, no need to store these"
ignore blkid.tab
ignore blkid.tab.old
nl
comment "some other files in /etc that typically do not need to be tracked"
ignore nologin
ignore ld.so.cache
ignore prelink.cache
ignore mtab
ignore mtab.fuselock
ignore .pwd.lock
ignore "*.LOCK"
ignore network/run
ignore adjtime
ignore lvm/cache
ignore lvm/backup
ignore lvm/archive
ignore "X11/xdm/authdir/authfiles/*"
ignore ntp.conf.dhcp
ignore .initctl
ignore "webmin/fsdump/*.status"
ignore "webmin/webmin/oscache"
ignore "apparmor.d/cache/*"
ignore "service/*/supervise/*"
ignore "service/*/log/supervise/*"
ignore "sv/*/supervise/*"
ignore "sv/*/log/supervise/*"
ignore "*.elc"
ignore "*.pyc"
ignore "*.pyo"
ignore "init.d/.depend.*"
ignore "openvpn/openvpn-status.log"
ignore "cups/subscriptions.conf"
ignore "cups/subscriptions.conf.O"
ignore "fake-hwclock.data"
nl
comment "editor temp files"
ignore "*~"
ignore ".*.sw?"
ignore ".sw?"
ignore "#*#"
ignore DEADJOE
nl
comment "end section $managed_by_etckeeper"
}
if [ -e "$file" ]; then
if ! grep -q "$managed_by_etckeeper" "$file"; then
if [ "$1" != "-a" ]; then
echo "etckeeper: "$file" does not contain \"$managed_by_etckeeper\" comment; not updating"
exit 1
else
echo "etckeeper: "$file" exists but does not contain \"$managed_by_etckeeper\" comment; updating"
writefile
exit 0
fi
fi
realfile="$file"
if which tempfile >/dev/null 2>&1; then
tempfile="tempfile"
elif which mktemp >/dev/null 2>&1; then
tempfile="mktemp"
else
echo "etckeeper warning: can't find tempfile or mktemp" >&2
fi
file=$($tempfile)
(
skipping=
while read line; do
if echo "$line" | grep -q "$managed_by_etckeeper"; then
if [ ! "$skipping" ]; then
skipping=1
else
skipping=
writefile
fi
elif [ ! "$skipping" ]; then
echo "$line" >> "$file"
fi
done
if [ "$skipping" ]; then
# reached end of file w/o ending block
writefile
fi
) <"$realfile"
mv -f "$file" "$realfile"
else
writefile
fi
|
