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authorXyne <xyne@archlinux.ca>2013-09-17 09:19:26 +0000
committerAllan McRae <allan@archlinux.org>2013-09-18 14:28:03 +1000
commit5ef0c3caa56f696f32384a7bc90555bc369cd68a (patch)
tree87d908762184617973600a4452f77dcd69930af9
parent8561ad225672f57336fee357fa5d1f4f5a172870 (diff)
bacman: optionally include unmodified backup files when available
Signed-off-by: Allan McRae <allan@archlinux.org>
-rw-r--r--contrib/bacman.sh.in80
1 files changed, 59 insertions, 21 deletions
diff --git a/contrib/bacman.sh.in b/contrib/bacman.sh.in
index 7e1ee010..74a83bc9 100644
--- a/contrib/bacman.sh.in
+++ b/contrib/bacman.sh.in
@@ -27,6 +27,7 @@ shopt -s nullglob
declare -r myname='bacman'
declare -r myver='@PACKAGE_VERSION@'
USE_COLOR='y'
+INCLUDE_PACNEW='n'
# Required for fakeroot because options are shifted off the array.
ARGS=("$@")
@@ -37,7 +38,7 @@ m4_include(../scripts/library/output_format.sh)
#
usage() {
echo "This program recreates a package using pacman's db and system files"
- echo "Usage: $myname [--nocolor] <installed package name>"
+ echo "Usage: $myname [--nocolor] [--pacnew] <installed package name>"
echo "Example: $myname kernel26"
}
@@ -47,10 +48,17 @@ version() {
echo 'Copyright (C) 2008-2013 Pacman Development Team <pacman-dev@archlinux.org>'
}
-if [[ $1 == "--nocolor" ]]; then
- USE_COLOR='n'
- shift
-fi
+while [[ ! -z $1 ]]; do
+ if [[ $1 == "--nocolor" ]]; then
+ USE_COLOR='n'
+ shift
+ elif [[ $1 == "--pacnew" ]]; then
+ INCLUDE_PACNEW='y'
+ shift
+ else
+ break
+ fi
+done
m4_include(../scripts/library/term_colors.sh)
@@ -143,7 +151,6 @@ cd "$work_dir" || exit 1
#
msg2 "Copying package files..."
-cat "$pkg_dir"/files |
while read i; do
if [[ -z $i ]]; then
continue
@@ -156,24 +163,55 @@ while read i; do
case "$current" in
%FILES%)
- ret=0
- if [[ -e /$i ]]; then
- bsdtar -cnf - "/$i" 2> /dev/null | bsdtar -xpf -
-
- # Workaround to bsdtar not reporting a missing file as an error
- if ! [[ -e $work_dir/$i || -L $work_dir/$i ]]; then
- error "unable to add /$i to the package"
- plain " If your user does not have permssion to read this file then"
- plain " you will need to run $myname as root"
- rm -rf "$work_dir"
- exit 1
+ local_file="/$i"
+ package_file="$work_dir/$i"
+
+ if [[ ! -e $local_file ]]; then
+ warning "package file $local_file is missing"
+ continue
+ fi
+ ;;
+
+ %BACKUP%)
+ # Get the MD5 checksum.
+ original_md5="${i##*$'\t'}"
+ # Strip the md5sum after the tab.
+ i="${i%$'\t'*}"
+ local_file="/$i.pacnew"
+ package_file="$work_dir/$i"
+
+ # Include unmodified .pacnew files.
+ local_md5="$(md5sum "$local_file" | cut -d' ' -f1)"
+ if [[ $INCLUDE_PACNEW == 'n' ]] \
+ || [[ ! -e $local_file ]] \
+ || [[ $local_md5 != $original_md5 ]]; then
+ # Warn about modified files.
+ local_md5="$(md5sum "/$i" | cut -d' ' -f1)"
+ if [[ $local_md5 != $original_md5 ]]; then
+ warning "package file /$i has been modified"
fi
- else
- warning "package file /$i is missing"
+ # Let the normal file be included in the %FILES% list.
+ continue
fi
;;
+
+ *)
+ continue
+ ;;
esac
-done
+
+ ret=0
+ bsdtar -cnf - -s'/.pacnew$//' "$local_file" 2> /dev/null | bsdtar -xpf - 2> /dev/null
+
+ # Workaround to bsdtar not reporting a missing file as an error
+ if ! [[ -e $package_file || -L $package_file ]]; then
+ error "unable to add $local_file to the package"
+ plain " If your user does not have permission to read this file then"
+ plain " you will need to run $myname as root"
+ rm -rf "$work_dir"
+ exit 1
+ fi
+done < "$pkg_dir"/files
ret=$?
if (( ret )); then
@@ -256,7 +294,7 @@ while read i; do
# files
%BACKUP%)
- # strip the md5sum after the tab
+ # Strip the md5sum after the tab
echo "backup = ${i%%$'\t'*}" >> .PKGINFO
;;
esac