add yum wrapper

bin/yum

+#!/bin/sh
+#
+# Copyright (C) 2012-2021  Etersoft
+# Copyright (C) 2012-2021  Vitaly Lipatov <lav@etersoft.ru>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+PROGDIR=$(dirname "$0")
+PROGNAME=$(basename "$0")
+[ "$PROGDIR" = "." ] && PROGDIR=$(pwd)
+if [ "$0" = "/dev/stdin" ] || [ "$0" = "sh" ] ; then
+    PROGDIR=""
+    PROGNAME=""
+fi
+
+# will replaced to /usr/share/eepm during install
+SHAREDIR=$PROGDIR
+CONFIGDIR=$PROGDIR/..
+
+load_helper()
+{
+    local CMD="$SHAREDIR/$1"
+    # do not use fatal() here, it can be initial state
+    [ -r "$CMD" ] || { echo "FATAL: Have no $CMD helper file" ; exit 1; }
+    # shellcheck disable=SC1090
+    . $CMD
+}
+
+
+load_helper epm-sh-functions
+
+#PATH=$PATH:/sbin:/usr/sbin
+
+set_pm_type
+
+set_sudo
+
+check_tty
+
+#############################
+
+phelp()
+{
+	echo "
+Usage: yum [options] COMMAND
+
+List of Commands:
+
+$(get_help HELPCMD | sed -e 's@|@,@g')
+
+Options:
+$(get_help HELPOPT | sed -e 's@|@,@g')
+
+"
+}
+
+print_version()
+{
+        echo "EPM package manager version @VERSION@  https://wiki.etersoft.ru/Epm"
+        echo "Running on $($DISTRVENDOR -e) ('$PMTYPE' package manager uses '$PKGFORMAT' package format)"
+        echo "Copyright (c) Etersoft 2012-2021"
+        echo "This program may be freely redistributed under the terms of the GNU AGPLv3."
+}
+
+
+EPMVERSION=@VERSION@
+verbose=
+quiet=
+nodeps=
+noremove=
+dryrun=
+force=
+repack=
+inscript=
+scripts=
+noscripts=
+short=
+direct=
+sort=
+non_interactive=
+skip_installed=
+skip_missed=
+show_command_only=
+epm_cmd=
+pkg_files=
+pkg_dirs=
+pkg_names=
+pkg_urls=
+quoted_args=
+
+# load system wide config
+[ -f /etc/eepm/eepm.conf ] && . /etc/eepm/eepm.conf
+
+
+check_command()
+{
+    # do not override command
+    [ -z "$epm_cmd" ] || return
+
+# HELPCMD:
+    case $1 in
+    check)                    # HELPCMD: Check for problems in the rpmdb
+        epm_cmd=check
+        ;;
+    check-update)             # HELPCMD: Check for available package updates
+        epm_cmd=upgrade
+        ;;
+    clean)                    # HELPCMD: Remove cached data
+        epm_cmd=clean
+        ;;
+    deplist)                  # HELPCMD: List a package's dependencies
+        # TODO: hilevel in any case
+        epm_cmd=requires
+        ;;
+    distribution-synchronization) # HELPCMD: Synchronize installed packages to the latest available versions
+        # TODO: some differences from just upgrade?
+        epm_cmd=upgrade
+        ;;
+    downgrade)                # HELPCMD: downgrade a package
+        epm_cmd=downgrade
+        ;;
+    erase)                    # HELPCMD: Remove a package or packages from your system
+        epm_cmd=remove
+        ;;
+    groupinfo)                # HELPCMD: Display details about a package group
+        fatal "Is not supported"
+        ;;
+    groupinstall)             # HELPCMD: Install the packages in a group on your system
+        fatal "Is not supported"
+        ;;
+    grouplist)                # HELPCMD: List available package groups
+        fatal "Is not supported"
+        ;;
+    groupremove)              # HELPCMD: Remove the packages in a group from your system
+        fatal "Is not supported"
+        ;;
+    help)                     # HELPCMD: Display a helpful usage message
+        help=1
+        phelp
+        exit 0
+        ;;
+    history)                  # HELPCMD: Display, or use, the transaction history
+        fatal "Is not supported"
+        ;;
+    info)                     # HELPCMD: Display details about a package or group of packages
+        epm_cmd=info
+        ;;
+    install)                  # HELPCMD: Install a package or packages on your system
+        epm_cmd=install
+        ;;
+    list)                     # HELPCMD: List a package or groups of packages
+        # TODO: support base options (see list -h), all available packages by default
+        epm_cmd=packages
+        ;;
+    load-transaction)         # HELPCMD: load a saved transaction from filename
+        fatal "Is not supported"
+        ;;
+    makecache)                # HELPCMD: Generate the metadata cache
+        fatal "Is not supported"
+        ;;
+    provides)                 # HELPCMD: Find what package provides the given value
+        # TODO: hilevel in any case
+        epm_cmd=provides
+        ;;
+    reinstall)                # HELPCMD: reinstall a package
+        epm_cmd=reinstall
+        ;;
+    repolist)                 # HELPCMD: Display the configured software repositories
+        epm_cmd=repolist
+        ;;
+    resolvedep)               # HELPCMD: Determine which package provides the given dependency
+        epm_cmd=whatprovides
+        ;;
+    search)                   # HELPCMD: Search package details for the given string
+        epm_cmd=search
+        ;;
+    shell)                    # HELPCMD: Run an interactive yum shell
+        # TODO: not full compatible
+        apt-shell
+        ;;
+    update)                   # HELPCMD: Update a package or packages on your system
+        epm_cmd=install
+        ;;
+    upgrade)                  # HELPCMD: Update packages taking obsoletes into account
+        epm_cmd=upgrade
+        ;;
+    version)                  # HELPCMD: Display a version for the machine and/or available repos.
+        fatal "Is not supported"
+        ;;
+    *)
+        return 1
+        ;;
+    esac
+    return 0
+}
+
+check_option()
+{
+    case $1 in
+    -h|--help)            # HELPOPT: show this help message and exit
+        help=1
+        phelp
+        exit 0
+       ;;
+    -t|--tolerant)        # HELPOPT: be tolerant of errors
+        fatal "Is not supported"
+        ;;
+    -C|--cacheonly)       # HELPOPT: run entirely from system cache, don't update cache
+        fatal "Is not supported"
+        ;;
+    --showduplicates)     # HELPOPT: show duplicates, in repos, in list/search commands
+        fatal "Is not supported"
+        ;;
+    --quiet)              # HELPOPT: quiet operation
+        quiet=1
+        ;;
+    -v|--verbose)         # HELPOPT: verbose operation
+        verbose="--verbose"
+        ;;
+    -y|--assumeyes)       # HELPOPT: answer yes for all questions
+        non_interactive="--auto"
+        ;;
+    --assumeno)           # HELPOPT: answer no for all questions
+        fatal "Is not supported"
+        ;;
+    --version)            # HELPOPT: show Yum version and exit
+        print_version
+        exit 0
+        ;;
+#    --installroot=[path]  set install root
+#  --enablerepo=[repo]   enable one or more repositories (wildcards allowed)
+#  --disablerepo=[repo]  disable one or more repositories (wildcards allowed)
+#  -x [package], --exclude=[package]
+#                        exclude package(s) by name or glob
+#  --disableexcludes=[repo]
+#                        disable exclude from main, for a repo or for
+#                        everything
+#  --obsoletes           enable obsoletes processing during updates
+#  --noplugins           disable Yum plugins
+#  --nogpgcheck          disable gpg signature checking
+#  --skip-broken         skip packages with depsolving problems
+#  --releasever=RELEASEVER
+#                        set value of $releasever in yum config and repo files
+#  --downloadonly        don't update, just download
+#  --downloaddir=DLDIR   specifies an alternate directory to store packages
+#  --setopt=SETOPTS      set arbitrary config and repo options
+    *)
+        return 1
+        ;;
+    esac
+    return 0
+}
+
+# TODO: skip for commands where we don't need parse args
+
+check_filenames()
+{
+    local opt
+    for opt in "$@" ; do
+        # files can be with full path or have extension via .
+        if [ -f "$opt" ] && echo "$opt" | grep -q "[/\.]" ; then
+            has_space "$opt" && warning "There are space(s) in filename '$opt', it is not supported. Skipped" && continue
+            pkg_files="$pkg_files $opt"
+        elif [ -d "$opt" ] ; then
+            has_space "$opt" && warning "There are space(s) in directory path '$opt', it is not supported. Skipped" && continue
+            pkg_dirs="$pkg_dirs $opt"
+        elif echo "$opt" | grep -q "^[fhtps]*://" ; then
+            has_space "$opt" && warning "There are space(s) in URL '$opt', it is not supported. Skipped" && continue
+            pkg_urls="$pkg_urls $opt"
+        else
+            has_space "$opt" && warning "There are space(s) in package name '$opt', it is not supported. Skipped." && continue
+            pkg_names="$pkg_names $opt"
+        fi
+        quoted_args="$quoted_args \"$opt\""
+    done
+}
+
+FLAGENDOPTS=
+for opt in "$@" ; do
+    [ "$opt" = "--" ] && FLAGENDOPTS=1 && continue
+    if [ -z "$FLAGENDOPTS" ] ; then
+        check_command "$opt" && continue
+        check_option "$opt" && continue
+    fi
+    # Note: will parse all params separately (no package names with spaces!)
+    check_filenames "$opt"
+done
+
+pkg_files=$(strip_spaces "$pkg_files")
+pkg_dirs=$(strip_spaces "$pkg_dirs")
+# in common case dirs equals to names only suddenly
+pkg_names=$(strip_spaces "$pkg_names $pkg_dirs")
+pkg_urls=$(strip_spaces "$pkg_urls")
+
+pkg_filenames=$(strip_spaces "$pkg_files $pkg_names")
+
+# Just debug
+#echover "command: $epm_cmd"
+#echover "pkg_files=$pkg_files"
+#echover "pkg_names=$pkg_names"
+
+# Just printout help if run without args
+if [ -z "$epm_cmd" ] ; then
+    phelp
+    echo
+    fatstr="No such command: $*. Please use /usr/bin/yum --help"
+    [ -n "$*" ] || fatstr="You need to give some command"
+    info "$fatstr."
+    exit 1
+fi
+
+[ -n "$verbose$EPM_VERBOSE" ] && showcmd "$0 $*"
+
+# Run helper for command with natural args
+load_helper epm-$epm_cmd
+eval epm_$epm_cmd $quoted_args
+# return last error code (from subroutine)