slackpkg/files/post-functions.sh
piterpunk 9d5166d13b Unattended usage improvements
- When in batch mode, don't wait for <enter> after kernel upgrade,
  so Slackpkg will not wait forever.
- Also in batch mode, allow to set a default action about what to
  do with .new config files
2022-01-16 02:54:16 -06:00

353 lines
8.4 KiB
Bash

showdiff() {
BASENAME=$(basename $i .new)
FILEPATH=$(dirname $i)
FULLNAME="${FILEPATH}/${BASENAME}"
if [ -e ${FULLNAME} ]; then
diff -u ${FULLNAME} ${FULLNAME}.new | $MORECMD
else
echo "file $FULLNAME doesn't exist"
fi
}
showmenu() {
echo -e "$1 - \c"
tput sc
shift
while [ $# -gt 0 ]; do
echo -e "$1"
tput rc
shift
done
}
mergenew() {
BASENAME=$(basename $i .new)
FILEPATH=$(dirname $i)
FULLNAME="${FILEPATH}/${BASENAME}"
if [ -e "${FULLNAME}" ]; then
# in media res. we do the merging right away, but we later allow the user to redo it, if not satisfied with the results.
rm -f "${FULLNAME}.smerge"
echo "Enter '?' in the prompt (%) to display help."
cp -p "${FULLNAME}.new" "${FULLNAME}.smerge" # <- this is so that the installed merged file will have the same permissions as the .new file
sdiff -s -o "${FULLNAME}.smerge" "${FULLNAME}" "${FULLNAME}.new"
GOEXM=0
while [ $GOEXM -eq 0 ]; do
showmenu $i "(E)dit the merged file" "(I)nstall the merged file" "View a diff between the merged and the (N)ew file" "View a diff between the (O)ld and the merged file" "(R)edo the merge" "(V)iew the merged file" "(B)ack to previous menu, and delete the merged file"
read ANSWER
case "$ANSWER" in
E|e)
if [ -f "${FULLNAME}.smerge" ]; then
$EDITCMD "${FULLNAME}.smerge"
else
echo -e "Nothing was merged yet..."
fi
;;
I|i)
if [ -f "${FULLNAME}.smerge" ]; then
if [ -e "${FULLNAME}" ] && [ "$ORIG_BACKUPS" != "off" ]; then
mv "${FULLNAME}" "${FULLNAME}.orig"
fi
mv "${FULLNAME}.smerge" "${FULLNAME}"
rm -f "${FULLNAME}.new"
GOEXM=1
GOEX=1
else
echo -e "Nothing was merged yet..."
fi
;;
N|n)
if [ -f "${FULLNAME}.smerge" ]; then
diff -u "${FULLNAME}.smerge" "${FULLNAME}.new" | $MORECMD
else
echo -e "Nothing was merged yet..."
fi
;;
O|o)
if [ -f "${FULLNAME}.smerge" ]; then
diff -u "${FULLNAME}" "${FULLNAME}.smerge" | $MORECMD
else
echo -e "Nothing was merged yet..."
fi
;;
R|r)
rm -f "${FULLNAME}.smerge"
echo "Enter '?' in the prompt (%) to display help."
cp -p "${FULLNAME}.new" "${FULLNAME}.smerge" # <- this is so that the installed merged file will have the same permissions as the .new file
sdiff -s -o "${FULLNAME}.smerge" "${FULLNAME}" "${FULLNAME}.new"
;;
V|v)
if [ -f "${FULLNAME}.smerge" ]; then
$MORECMD "${FULLNAME}.smerge"
else
echo -e "Nothing was merged yet..."
fi
;;
B|b)
rm -f "${FULLNAME}.smerge"
GOEXM=1
;;
esac
done
else
echo "file $FULLNAME doesn't exist"
fi
}
overold() {
BASENAME=$(basename $i .new)
FILEPATH=$(dirname $i)
FULLNAME="${FILEPATH}/${BASENAME}"
if [ -e ${FULLNAME} ] && [ "$ORIG_BACKUPS" != "off" ]; then
mv ${FULLNAME} ${FULLNAME}.orig
fi
mv ${FULLNAME}.new ${FULLNAME}
}
removeold() {
rm $i
}
runvimdiff() {
BASENAME=$(basename $i .new)
FILEPATH=$(dirname $i)
FULLNAME="${FILEPATH}/${BASENAME}"
if [ -e ${FULLNAME} ]; then
vimdiff ${FULLNAME} ${FULLNAME}.new
else
echo "file $FULLNAME doesn't exist"
fi
}
looknew() {
local ROWS SIZE FILES PROMPTTEXT TEXTLINES MAXROWS
local newcount f n fn
f=0
n=0
# with ONLY_NEW_DOTNEW set, slackpkg will search only for
# .new files installed in actual slackpkg's execution
if [ "$ONLY_NEW_DOTNEW" = "on" ]; then
ONLY_NEW_DOTNEW="-cnewer $TMPDIR/timestamp"
else
ONLY_NEW_DOTNEW=""
fi
# if there is a /etc/slackpkg/post-functions.conf file, it will be
# used to take the pre-defined action to each file specified there.
if [ -f /etc/slackpkg/post-functions.conf ]; then
NEWCONFIG="/etc/slackpkg/post-functions.conf"
fi
printf "%s\n" "Searching for NEW configuration files..."
FILES=$( find \
${ROOT}/etc \
${ROOT}/var/yp \
${ROOT}/usr/share/vim \
-name "*.new" \
${ONLY_NEW_DOTNEW} \
-not -name "rc.inet1.conf.new" \
-not -name "rc.wireless.conf.new" \
-not -name "group.new" \
-not -name "passwd.new" \
-not -name "shadow.new" \
-not -name "gshadow.new" 2>/dev/null |
sort -V 2>/dev/null )
if [ -n "$FILES" ]; then
newcount=$( echo "$FILES" | wc -l )
SIZE=$( stty size )
ROWS=${SIZE% *}
# Set here so we can count the No. of lines
PROMPTTEXT="\n\
What do you want (K/O/R/P)?
(K)eep the old files and consider .new files later
(O)verwrite all old files with the new ones"
[ "$ORIG_BACKUPS" != "off" ] && PROMPTTEXT+=". The
old files will be stored with the suffix .orig"
PROMPTTEXT+="\n\n\
(R)emove all .new files
(P)rompt K, O, R selection for every single file\n"
printf "%s %s\n\n" "Some packages had new configuration" \
"files installed ($newcount new files):"
# No. of prompt etc. lines to print.
TEXTLINES=$(( $( printf %b "$PROMPTTEXT" | wc -l ) + 3 ))
if [ $(( newcount + TEXTLINES )) -lt $ROWS ] || [ "${BATCH}" = "on" ]; then
# All files will fit on screen or is a batch execution.
printf "%s\n" "$FILES"
else
# Won't all fit, so scroll a screenfull at a time.
# No. of lines minus 'Searching for' + 'Press SPACE...'
MAXROWS=$(( ROWS - 5 ))
for fn in $FILES; do
junk=" "
f=$(( f + 1 ))
n=$(( n + 1 ))
echo "$fn"
# Stop printing at bottom of screen
if [ $f -ge $MAXROWS ]; then
# No. of lines minus 'Press SPACE...'
MAXROWS=$(( ROWS - 2 ))
f=0
IFS=$( printf "\n" ) read -rn 1 -p "
Press SPACE for more, ENTER to skip" junk
# Enter pressed
if [ -z "$junk" ]; then
tput -S <<EOF
cuu 1
el 2
cuu 1
el 2
EOF
break
else
# Space pressed
printf "\n"
tput -S <<EOF
cuu 1
el 2
cuu 1
el 2
EOF
fi
fi
done
# Final prompt to stop list scrolling off the top
if [ ! -z "$junk" ] && [ $f -ne 0 ]; then
IFS=$( printf "\n" ) read -rn 1 -p "
Press any key to continue" junk
printf "\n"
tput -S <<EOF
cuu 1
el 2
cuu 1
el 2
EOF
fi
fi
printf %b "$PROMPTTEXT"
answer
if [ "${BATCH}" = "on" ] && [ -n "${NEWCONFIG}" ]; then
ANSWER=P
# This allows to have a default behaviour for all .new files in batch mode.
DEF_AUTOANSWER="$(sed -ne 's#^default:\([ORK]\)#\1#p' $NEWCONFIG 2>/dev/null)"
fi
case $ANSWER in
K|k)
;;
O|o)
for i in $FILES; do
overold $i
done
;;
R|r)
for i in $FILES; do
removeold $i
done
;;
P|p)
echo "Select what you want file-by-file"
for i in $FILES; do
if [ -n "${NEWCONFIG}" ]; then
AUTOANSWER="$(sed -ne 's#^'$i':\([ORK]\)#\1#p' $NEWCONFIG 2>/dev/null)"
fi
GOEX=0
while [ $GOEX -eq 0 ]; do
echo
showmenu $i "(K)eep" "(O)verwrite" "(R)emove" "(D)iff" "(M)erge" "(V)imdiff"
if [ -n "${AUTOANSWER}" ]; then
ANSWER=$AUTOANSWER
echo $ANSWER
else
if [ "${BATCH}" = "on" ]; then
ANSWER=${DEF_AUTOANSWER:-K}
echo $ANSWER
else
read ANSWER
fi
fi
case $ANSWER in
O|o)
overold $i
GOEX=1
;;
R|r)
removeold $i
GOEX=1
;;
D|d)
showdiff $1
;;
M|m)
mergenew $1
;;
V|v)
runvimdiff $1
;;
K|k|*)
GOEX=1
;;
esac
done
done
;;
*)
echo "
OK! Your choice is nothing! slackpkg will Keep the old files \
for you to deal with later"
;;
esac
else
echo -e "\t\tNo .new files found."
fi
}
lookkernel() {
NEWKERNELMD5=$(md5sum /boot/vmlinuz 2>/dev/null)
if [ "$KERNELMD5" != "$NEWKERNELMD5" ]; then
if [ -x /sbin/lilo ] && [ -r /etc/lilo.conf ] && grep -q initrd /etc/lilo.conf ; then
echo -e "\n
Your kernel image was updated, and your /etc/lilo.conf indicates
the use of an initrd for at least one of your kernels. Be sure to
regenerate the initrd for the new kernel and handle any needed
updates to your bootloader.
"
elif [ -x /sbin/lilo ] && [ -r /etc/lilo.conf ] ; then
echo -e "\n
Your kernel image was updated. Be sure to handle any needed updates
to your bootloader (possibly as simple as running /sbin/lilo).
"
else
echo -e "\n
Your kernel image was updated, and lilo does not appear to be used on
your system. You may need to adjust your boot manager (like GRUB) to
boot the appropriate kernel (after generating an initrd if required)."
fi
if [ "${BATCH}" != "on" ]; then
echo -e "Press the \"Enter\" key to continue...\n "
read _junk
fi
fi
}