diff --git a/linuxconf b/linuxconf index 3a9990c1e5000529a35fcb8b7792b525015e3a32..4a122fc48219ed39228e63fd02258967233dc05e 100755 --- a/linuxconf +++ b/linuxconf @@ -1,20 +1,20 @@ #!/bin/bash -# Useful functions as built-in -function echo2 () { +# Useful built-in functions for both linuxconf and user scripts. +function lcf_echo2 () { echo "$@" 1>&2 } -function err () { - echo2 Error: "$@" +function lcf_err () { + lcf_echo2 Error: "$@" return 1 } -function die () { - err "$@" +function lcf_die () { + lcf_err "$@" exit 1 } -function bgrun () { - # Usage: bgrun /var/log/your.log sslocal -s xxx -p 'hello world my password' -l xxx --xxx - # Usage: bgrun /var/log/your.log auto_restart frpc -c my_server.ini +function lcf_bgrun () { + # Usage: lcf_bgrun /var/log/your.log sslocal -s xxx -p 'hello world my password' -l xxx --xxx + # Usage: lcf_bgrun /var/log/your.log auto_restart frpc -c my_server.ini # v202504-1 local logF="$1" shift @@ -44,13 +44,13 @@ function lc_include () { # print the return code of the eval-ed function to stderr, but this function should always return success. for script in "$@"; do - echo2 "$script -- $LCI_SUBSHELL_OP started as $(whoami), at $(pwd)" + lcf_echo2 "$script -- $LCI_SUBSHELL_OP started as $(whoami), at $(pwd)" ( source "$script" declare -F "$LCI_SUBSHELL_OP" >/dev/null 2>&1 || exit 0 eval "$LCI_SUBSHELL_OP" ) - echo2 "$script -- $LCI_SUBSHELL_OP completed with status $?" + lcf_echo2 "$script -- $LCI_SUBSHELL_OP completed with status $?" # TODO: should I abort on failure? It will stop running other include files. Don't do it now. done @@ -81,7 +81,7 @@ function lci_fsmap () { function lc_fsmap () { lci_fsmap "$@" local result=$? - [ $result = 0 ] || err "lc_fsmap returned error $result" + [ $result = 0 ] || lcf_err "lc_fsmap returned error $result" return $result } @@ -120,7 +120,7 @@ function lci_overwrite_conf () { local confpath="$2" # user masterconf script path local newpath="$(realpath "$confpath")" - [ "$newpath" != "" ] || err "lci_overwrite_conf: cannot unfold path $confpath. Permission error?" || return $? + [ "$newpath" != "" ] || lcf_err "lci_overwrite_conf: cannot unfold path $confpath. Permission error?" || return $? # Don't re-create if old config already looks good. In this case, init_done should be preserved. TODO: rename lc register to lc init, then should I remove this behavior?? if [[ -f "$fname" ]]; then @@ -128,26 +128,26 @@ function lci_overwrite_conf () { [[ "$oldpath" = "$newpath" ]] && return 0 fi - echo -e "#autogenerated config, could be overwritten without warning.\nmasterconf=$newpath" | tee "$fname" > /dev/null || err "lci_overwrite_conf: unable to create $fname" || return $? + echo -e "#autogenerated config, could be overwritten without warning.\nmasterconf=$newpath" | tee "$fname" > /dev/null || lcf_err "lci_overwrite_conf: unable to create $fname" || return $? chmod ugo+rw "$fname" } function lci_register () { local confpath="$1" - [[ -f "$confpath" ]] || die "lci_register: $confpath not exist" + [[ -f "$confpath" ]] || lcf_die "lci_register: $confpath not exist" # For new register (or register a different dir), clear all existing conf. This will trigger init again. - lci_overwrite_conf /etc/linuxconf.conf "$confpath" || die "lci_register cannot write new conf" + lci_overwrite_conf /etc/linuxconf.conf "$confpath" || lcf_die "lci_register cannot write new conf" } function lci_call () { # calls an lc function in masterconf (and included subconf) - [ "$1" = "" ] && die "logic error: lci_call without arg" + [ "$1" = "" ] && lcf_die "logic error: lci_call without arg" export LCI_SUBSHELL_OP="$1" - local masterconf="$(lci_conf_get_masterconf_path /etc/linuxconf.conf)" || die "unable to call lc_init. Cannot read masterconf path from /etc/linuxconf.conf" + local masterconf="$(lci_conf_get_masterconf_path /etc/linuxconf.conf)" || lcf_die "unable to call lc_init. Cannot read masterconf path from /etc/linuxconf.conf" local workdir="$(dirname "$masterconf")" - cd "$workdir" || die "unable to enter config directory: $workdir" + cd "$workdir" || lcf_die "unable to enter config directory: $workdir" lc_include "$masterconf" export LCI_SUBSHELL_OP=__lc_operation_undefined } @@ -158,7 +158,7 @@ function lci_init_if_needed () { lci_call lc_init - lci_state_file_append /etc/linuxconf.conf init_done "$uname" || die "lc_init functions succeeded, but unable to update /etc/linuxconf.conf" + lci_state_file_append /etc/linuxconf.conf init_done "$uname" || lcf_die "lc_init functions succeeded, but unable to update /etc/linuxconf.conf" } function lci_startup_if_needed () { @@ -166,20 +166,20 @@ function lci_startup_if_needed () { local state_file="/tmp/.linuxconf-state-$uname" if [[ ! -f $state_file ]]; then - touch $state_file && chmod ugo+rw $state_file || die "failed to create tmp file $state_file" + touch $state_file && chmod ugo+rw $state_file || lcf_die "failed to create tmp file $state_file" fi lci_state_file_contains $state_file startup_done "$uname" && return 0 lci_call lc_startup - lci_state_file_append $state_file startup_done "$uname" || die "lc_startup functions succeeded, but unable to update $state_file" + lci_state_file_append $state_file startup_done "$uname" || lcf_die "lc_startup functions succeeded, but unable to update $state_file" } function lci_usage () { - echo2 "linuxconf v$lci_version" - echo2 "This tool helps you manage all linux customization in one centralized directory, making backup/sync much easier." - echo2 "Usage: Run '$0 register <path/to/masterconf.sh>', then it will work out-of-box." + lcf_echo2 "linuxconf v$lci_version" + lcf_echo2 "This tool helps you manage all linux customization in one centralized directory, making backup/sync much easier." + lcf_echo2 "Usage: Run '$0 register <path/to/masterconf.sh>', then it will work out-of-box." exit 1 } @@ -204,14 +204,14 @@ function lci_install_startup_hook () { elif [ -f /etc/rc.local ]; then echo '/usr/bin/linuxconf _startup_all' >> /usr/bin/linuxconf _startup_all else - err "neither systemd nor /etc/rc.local available." + lcf_err "neither systemd nor /etc/rc.local available." fi || return $? #TODO: check if any user installed non-root startup hook else [ -f /etc/systemd/system/lc-hook.service ] && return 0 grep '/usr/bin/linuxconf _startup_all' /etc/rc.local >/dev/null 2>&1 && return 0 # TODO: install non-root startup hook - die "non-root startup hook not supported yet" + lcf_die "non-root startup hook not supported yet" fi } function lci_install_login_hook () { @@ -245,12 +245,12 @@ function lci_install_login_hook () { lci_version=0.2.0 subcommand="$1" if [[ "$subcommand" != register ]] && [[ "$subcommand" != "" ]]; then - [[ ! -f /etc/linuxconf.conf ]] && die "Please run '$0 register <path/to/masterconf.sh>' at least once" + [[ ! -f /etc/linuxconf.conf ]] && lcf_die "Please run '$0 register <path/to/masterconf.sh>' at least once" fi if [[ "$subcommand" = register ]]; then lci_register "$2" - lci_install_startup_hook || die "failed to install on_startup hook" - lci_install_login_hook || die "failed to install on_login hook" + lci_install_startup_hook || lcf_die "failed to install on_startup hook" + lci_install_login_hook || lcf_die "failed to install on_login hook" lci_init_if_needed lci_startup_if_needed elif [[ "$subcommand" = _cron ]]; then @@ -260,10 +260,10 @@ elif [[ "$subcommand" = _startup ]]; then lci_startup_if_needed elif [[ "$subcommand" = _startup_all ]]; then # systemd should call this service as root, and it will spawn subprocess for all users with sudo - [[ "$(whoami)" != root ]] && die "$0 _startup_all started as non-root. Exit because sudo might fail." - local ar_uname=($(lci_state_file_list /etc/linuxconf.conf init_done)) || die "List all initialized users: lci_state_file_list failed" + [[ "$(whoami)" != root ]] && lcf_die "$0 _startup_all started as non-root. Exit because sudo might fail." + local ar_uname=($(lci_state_file_list /etc/linuxconf.conf init_done)) || lcf_die "List all initialized users: lci_state_file_list failed" for uname in "${ar_uname[@]}"; do - echo2 "Spawn subprocess '$0 _startup' as user $uname..." + lcf_echo2 "Spawn subprocess '$0 _startup' as user $uname..." sudo -u "$uname" "$0" _startup done elif [[ "$subcommand" = _xdg_login ]]; then