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#
# change_slot script
#
# 2008/10/05
# Jorge Manuel B. S. Vicetto (jmbsvicetto@gentoo.org)
###############
# Constants
###############
VDBDIR=$(portageq vdb_path)
###############
# Functions
###############
# Show options screen
show_options () {
# Present options
echo "Usage: $0 repo old_slot new_slot"
echo "repo - The repo name as specified in ${repo}/profiles/repo_name"
echo "old_slot - The slot to be replaced"
echo "new_slot - The new slot to use"
echo "inst_version - Installed package version to update the slot"
exit
}
# Find repo path
find_repo () {
for overlay in $(portageq portdir_overlay | tr ' ' '\n'); do
path=$(grep -H ${REPO} ${overlay}/profiles/repo_name 2>/dev/null)
if [[ ${path} =~ "${REPO}" ]]; then
repo_path=${path%/profiles/repo_name:${REPO}}
fi
done
}
# Get repo categories
read_categories () {
while read category; do
categories=( "${categories[@]}" "${category}" )
done < "${repo_path}/profiles/categories"
}
# Change slot
change_slot () {
for category in ${categories[@]}; do
# For each category, read the list of packages
packages=$(find "${repo_path}/${category}" -mindepth 1 -maxdepth 1 -type d)
# echo "category ${category} has ${packages[@]}"
# For each package, change the slot
for dir in ${packages[@]}; do
package=$(basename ${dir})
files=$(find "${repo_path}/${category}/${package}/" -iname "${package}*.ebuild")
# skip category/packages without ebuilds
if [[ ${files} != "" ]]; then
# for each file (there might be more than one ebuild
for file in ${files[@]}; do
if [[ "${INST_VERSION}" == "" ]]; then
version=$(basename ${file})
version=${version%.ebuild}
version=${version%-r*}
else
version=${package}-${INST_VERSION}
fi
sed -e "s/^${OLD_SLOT}$/${NEW_SLOT}/" "${VDBDIR}/${category}/${version}/SLOT"
# sed -i -e "s/^${OLD_SLOT}$/${NEW_SLOT}/" "${VDBDIR}/${category}/${version}/SLOT"
done
fi
done
done
}
###############
# Get options and commands
###############
[[ -z "$*" ]] && show_options
SCRIPT_ARGS="$*"
REPO="${1}"
OLD_SLOT="${2}"
NEW_SLOT="${3}"
INST_VERSION="${4}"
if ([[ -z "${REPO}" ]] || [[ -z "${OLD_SLOT}" ]] || [[ -z "${NEW_SLOT}" ]]); then
show_options
fi
echo "You've asked to update all packages from repo ${REPO} in ${VDBDIR} by changing the old_slot (${OLD_SLOT}) to new_slot (${NEW_SLOT})"
find_repo
read_categories
change_slot
#echo "categories: ${categories[@]}"
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