forked from kiss-community/kiss
kiss: replace [ command with internal equivalent where possible.
This limits [ usage to file checks. Avoids many subshell spawns when [ is an external utility (some shells make it a builtin).
This commit is contained in:
Dylan Araps
parent
36ee91c0ae
commit
0d7d24c40b
99
kiss
99
kiss
@ -44,6 +44,14 @@ contains() {
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case " $1 " in *" $2 "*) return 0; esac; return 1
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}
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equ() {
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case $1 in "$2") return 0 ;; *) return 1; esac
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}
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ok() {
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case $1 in '') return 1 ;; *) return 0; esac
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}
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tmp_file() {
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# Create a uniquely named temporary file and store its absolute path
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# in a variable (_tmp_file).
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@ -68,22 +76,18 @@ tmp_file_copy() {
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}
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prompt() {
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! null "$1" && log "$1"
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! ok "$1" || log "$1"
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log "Continue?: Press Enter to continue or Ctrl+C to abort"
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# korn-shell does not exit on interrupt of read.
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[ "$KISS_PROMPT" = 0 ] || read -r _ || exit 1
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equ "$KISS_PROMPT" 0 || read -r _ || exit 1
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}
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mkcd() {
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mkdir -p "$@" && cd "$1"
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}
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null() {
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case $1 in '') return 0 ;; *) return 1; esac
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}
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fnr() {
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# Replace all occurrences of substrings with substrings. This
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# function takes pairs of arguments iterating two at a time
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@ -133,13 +137,13 @@ file_owner() {
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}
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pkg_owner() {
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[ "$2" ] || { set +f; set -f -- "$1" "$sys_db"/*/manifest; }
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ok "$2" || { set +f; set -f -- "$1" "$sys_db"/*/manifest; }
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_owns=$(grep -l "$@")
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_owns=${_owns%/*}
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_owns=${_owns##*/}
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[ "$_owns" ]
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ok "$_owns"
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}
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run_hook() {
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@ -229,9 +233,6 @@ sh256() {
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pkg_lint() {
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pkg_find_version "$1"
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[ "$repo_rel" ] ||
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die "$1" "Release field not found in version file"
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[ -x "$repo_dir/build" ] ||
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die "$1" "Build file not found or not executable"
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@ -247,6 +248,9 @@ pkg_find_version() {
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read -r repo_ver repo_rel 2>/dev/null < "$repo_dir/version" ||
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die "$1" "Failed to read version file ($repo_dir/version)"
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ok "$repo_rel" ||
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die "$1" "Release field not found in version file"
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}
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pkg_find_version_split() {
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@ -294,7 +298,7 @@ pkg_list_version() {
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# Optional arguments can be passed to check for specific packages. If no
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# arguments are passed, list all.
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[ "$1" ] || { set +f; set -f -- "$sys_db"/*; }
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ok "$1" || { set +f; set -f -- "$sys_db"/*; }
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# Loop over each package and print its name and version.
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for _list_pkg do
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@ -322,7 +326,7 @@ pkg_cache() {
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pkg_source_resolve() {
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# Given a line of input from the sources file, return an absolute
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# path to the source if it already exists, error if not.
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[ "${2##\#*}" ] || { _res=; return; }
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ok "${2##\#*}" || { _res=; return; }
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fnr "${2%"${2##*[!/]}"}" \
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VERSION "$repo_ver" \
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@ -333,10 +337,10 @@ pkg_source_resolve() {
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IDENT "$repo_ident" \
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PKG "$repo_name"
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set -- "$1" "$_fnr" "${3%"${3##*[!/]}"}" "$4"
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set -- "$1" "$_fnr" "${3%"${3##*[!/]}"}"
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# Git repository.
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if null "${2##git+*}"; then
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if ! ok "${2##git+*}"; then
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_res=$2
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# Remote source (cached).
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@ -344,7 +348,7 @@ pkg_source_resolve() {
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_res=$src_dir/$1/${3:+"$3/"}${2##*/}
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# Remote source.
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elif null "${2##*://*}"; then
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elif ! ok "${2##*://*}"; then
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_res=url+$2
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_des=$src_dir/$1/${3:+"$3/"}${2##*/}
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@ -365,10 +369,8 @@ pkg_source_resolve() {
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_res=/${2##/}
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else
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die "$1" "No local file '$src'"
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die "$1" "No local file '$_res'"
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fi
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[ "$4" ] || printf 'found %s\n' "$_res"
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}
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pkg_source() {
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@ -382,9 +384,11 @@ pkg_source() {
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log "$1" "Reading sources"
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mkcd "$src_dir/$1"
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while read -r src dest || [ "$src" ]; do
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while read -r src dest || ok "$src"; do
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pkg_source_resolve "$1" "$src" "$dest" "$2"
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printf 'found %s\n' "$_res"
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case $_res in url+*)
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log "$1" "Downloading ${_res##url+}"
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mkdir -p "$PWD/$dest"
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@ -474,7 +478,7 @@ pkg_extract() {
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# arg3: path to DESTDIR
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run_hook pre-extract "$pkg" "$pkg_dir/$pkg"
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while read -r src dest || [ "$src" ]; do
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while read -r src dest || ok "$src"; do
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pkg_source_resolve "$1" "$src" "$dest" >/dev/null
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# Create the source's directories if not null.
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@ -507,7 +511,7 @@ pkg_depends() {
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# dependencies are listed first and then the parents in reverse order.
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contains "$deps" "$1" || {
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# Filter out non-explicit, already installed packages.
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null "$3" || ! null "$2" || contains "$explicit" "$1" ||
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! ok "$3" || ok "$2" || contains "$explicit" "$1" ||
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! [ -d "$sys_db/$1" ] || return
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# Detect circular dependencies and bail out.
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@ -525,14 +529,14 @@ pkg_depends() {
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! "${6:-_pkg_find}" "$1" || ! [ -e "$repo_dir/depends" ] ||
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# Recurse through the dependencies of the child packages.
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while read -r dep dep_type || [ "$dep" ]; do
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[ "${dep##\#*}" ] || continue
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while read -r dep dep_type || ok "$dep"; do
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ok "${dep##\#*}" || continue
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pkg_depends "$dep" '' "$3" "$4 $1" "$dep_type" "$6"
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done < "$repo_dir/depends" || :
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# Add parent to dependencies list.
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if [ "$2" != expl ] || { [ "$5" = make ] && ! pkg_cache "$1"; }; then
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if ! equ "$2" expl || { equ "$5" make && ! pkg_cache "$1"; }; then
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deps="$deps $1"
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fi
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}
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@ -563,7 +567,7 @@ pkg_order() {
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pkg_strip() {
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# Strip package binaries and libraries. This saves space on the system as
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# well as on the tarballs we ship for installation.
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[ -f "$mak_dir/$pkg/nostrip" ] || [ "$KISS_STRIP" = 0 ] && return
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[ -f "$mak_dir/$pkg/nostrip" ] || equ "$KISS_STRIP" 0 && return
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log "$1" "Stripping binaries and libraries"
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@ -820,7 +824,7 @@ pkg_build_all() {
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# If this is an update, don't always build explicitly passsed packages
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# and instead install pre-built binaries if they exist.
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[ "$pkg_update" ] || explicit_build=$explicit
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ok "$pkg_update" || explicit_build=$explicit
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set --
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@ -839,7 +843,7 @@ pkg_build_all() {
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set -- $deps "$@"
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# Ask for confirmation if extra packages need to be built.
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[ "$#" = "$explicit_cnt" ] || prompt
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equ "$#" "$explicit_cnt" ] || prompt
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log "Checking for pre-built dependencies"
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@ -890,7 +894,7 @@ pkg_build_all() {
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pkg_etcsums
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pkg_tar "$pkg"
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if [ "$pkg_update" ] || ! contains "$explicit" "$pkg"; then
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if ok "$pkg_update" || ! contains "$explicit" "$pkg"; then
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log "$pkg" "Needed as a dependency or has an update, installing"
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# Intended behavior.
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@ -959,7 +963,7 @@ pkg_build() {
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# Delete the log file if the build succeeded to prevent the directory
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# from filling very quickly with useless logs.
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[ "$KISS_KEEPLOG" = 1 ] || rm -f "$log_dir/$1-$time-$KISS_PID"
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equ "$KISS_KEEPLOG" 1 ] || rm -f "$log_dir/$1-$time-$KISS_PID"
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# Copy the repository files to the package directory.
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cp -LRf "$repo_dir" "$pkg_dir/$1/$pkg_db/"
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@ -976,7 +980,7 @@ pkg_checksums() {
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# Generate checksums for packages.
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#
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# NOTE: repo_ comes from caller.
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while read -r src dest || [ "$src" ]; do
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while read -r src dest || ok "$src"; do
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pkg_source_resolve "$repo_name" "$src" "$dest" >/dev/null
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case $_res in git+*) ;; */*[!.])
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@ -1002,11 +1006,11 @@ pkg_verify() {
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set -- $hash
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# Only read checksums if we generated some.
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null "$1" ||
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! ok "$1" ||
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# Check that the first column (separated by whitespace) match in both
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# checksum files. If any part of either file differs, mismatch. Abort.
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while read -r chk _ || [ "$1" ]; do
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while read -r chk _ || ok "$1"; do
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printf '%s\n%s\n' "- ${chk:-missing}" "+ ${1:-no source}"
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case $1-${chk:-null} in
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@ -1061,7 +1065,7 @@ pkg_conflicts() {
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done
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# Return here if there is nothing to check conflicts against.
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[ "$#" != 0 ] || return 0
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! equ "$#" 0 || return 0
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# Store the list of found conflicts in a file as we'll be using the
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# information multiple times. Storing things in the cache dir allows
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@ -1073,7 +1077,7 @@ pkg_conflicts() {
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# doesn't overwrite anything it shouldn't in '/var/db/kiss/installed'.
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grep -q ":/var/db/kiss/installed/" "$_tmp_file" || safe=1
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if [ "$KISS_CHOICE" != 0 ] && [ "$safe" = 1 ] && [ -s "$_tmp_file" ]; then
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if ! equ "$KISS_CHOICE" 1 && equ "$safe" 1 && [ -s "$_tmp_file" ]; then
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# This is a novel way of offering an "alternatives" system.
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# It is entirely dynamic and all "choices" are created and
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# destroyed on the fly.
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@ -1332,7 +1336,7 @@ pkg_remove() {
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# Intended behavior.
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# shellcheck disable=2030,2031
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[ "${KISS_FORCE:=0}" = 1 ] || pkg_removable "$1"
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equ "$KISS_FORCE" 1 || pkg_removable "$1"
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# Block being able to abort the script with 'Ctrl+C' during removal.
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# Removes all risk of the user aborting a package removal leaving an
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@ -1368,7 +1372,7 @@ pkg_installable() {
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# shellcheck disable=2094
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! [ -f "$2" ] ||
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while read -r dep dep_type || [ "$dep" ]; do
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while read -r dep dep_type || ok "$dep"; do
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case $dep-$dep_type in [!\#]?*)
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! [ -d "$sys_db/$dep" ] || continue
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@ -1440,7 +1444,7 @@ pkg_install() {
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# fine assumption to make in 99.99% of cases.
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[ -f "$PWD/$pkg_db/$_pkg/manifest" ] || die "Not a valid KISS package"
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[ "$KISS_FORCE" = 1 ] || {
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equ "$KISS_FORCE" 1 || {
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pkg_manifest_validate "$_pkg"
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pkg_installable "$_pkg" "$PWD/$pkg_db/$_pkg/depends"
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}
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@ -1523,8 +1527,7 @@ pkg_update() {
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# Update each repository in '$KISS_PATH'.
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for repo do
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# Handle null repositories (KISS_PATH=repo:::::repo).
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[ "$repo" ] || continue
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ok "$repo" || continue
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[ -d "$repo" ] || {
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log "$repo" " "
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@ -1560,12 +1563,12 @@ pkg_update() {
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log "$PWD" "[verify: $_sig]"
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if [ -w "$PWD" ] && [ "$uid" != 0 ]; then
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if [ -w "$PWD" ] && ! equ "$uid" 0; then
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git pull
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git submodule update --remote --init -f
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else
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[ "$uid" = 0 ] || log "$PWD" "Need root to update"
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equ "$uid" 0 || log "$PWD" "Need root to update"
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# Find out the owner of the repository and spawn
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# git as this user below.
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@ -1577,7 +1580,7 @@ pkg_update() {
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# We're in a repository which is owned by a 3rd
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# user. Not root or the current user.
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[ "$user" = root ] || log "Dropping to $user for pull"
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equ "$user" root || log "Dropping to $user for pull"
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as_root git pull
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as_root git submodule update --remote --init -f
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@ -1606,7 +1609,7 @@ pkg_update() {
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esac
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# Compare installed packages to repository packages.
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[ "$ver_pre-$rel_pre" = "$repo_ver-$repo_rel" ] || {
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equ "$ver_pre-$rel_pre" "$repo_ver-$repo_rel" || {
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printf '%s\n' "${pkg##*/} $ver_pre-$rel_pre ==> $repo_ver-$repo_rel"
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set -- "$@" "${pkg##*/}"
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}
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@ -1712,7 +1715,7 @@ args() {
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# Rerun the script as root with a fixed environment if needed. We sadly
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# can't run singular functions as root so this is needed.
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case $action in a|alternatives|i|install|r|remove)
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null "$1" || [ -w "$KISS_ROOT/" ] || [ "$uid" = 0 ] || {
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! ok "$1" || [ -w "$KISS_ROOT/" ] || equ "$uid" 0 || {
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as_root env \
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HOME="$HOME" \
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XDG_CACHE_HOME="$XDG_CACHE_HOME" \
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@ -1734,12 +1737,12 @@ args() {
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# once you memorize the commands.
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case $action in
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a|alternatives)
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if [ "$1" = - ]; then
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if equ "$1" -; then
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while read -r pkg path; do
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pkg_swap "$pkg" "$path"
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done
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elif [ "$1" ]; then
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elif ok "$1"; then
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pkg_swap "$@"
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else
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@ -1874,7 +1877,7 @@ main() {
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# Color can be disabled via the environment variable KISS_COLOR. Colors are
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# also automatically disabled if output is being used in a pipe/redirection.
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[ "$KISS_COLOR" = 0 ] || ! [ -t 2 ] ||
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equ "$KISS_COLOR" 0 || ! [ -t 2 ] ||
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c1='\033[1;33m' c2='\033[1;34m' c3='\033[m'
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# Store the original working directory to ensure that relative paths
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