From 5ef0c3caa56f696f32384a7bc90555bc369cd68a Mon Sep 17 00:00:00 2001 From: Xyne Date: Tue, 17 Sep 2013 09:19:26 +0000 Subject: bacman: optionally include unmodified backup files when available Signed-off-by: Allan McRae --- contrib/bacman.sh.in | 80 ++++++++++++++++++++++++++++++++++++++-------------- 1 file 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] " + echo "Usage: $myname [--nocolor] [--pacnew] " echo "Example: $myname kernel26" } @@ -47,10 +48,17 @@ version() { echo 'Copyright (C) 2008-2013 Pacman Development Team ' } -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 -- cgit v1.2.3-24-g4f1b