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191 lines
7.2 KiB
191 lines
7.2 KiB
#!/hint/sh
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# util.sh - resh utility functions
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__resh_get_uuid() {
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cat /proc/sys/kernel/random/uuid 2>/dev/null || resh-uuid
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}
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__resh_get_pid() {
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if [ -n "${ZSH_VERSION-}" ]; then
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# assume Zsh
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local __RESH_PID="$$" # current pid
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elif [ -n "${BASH_VERSION-}" ]; then
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# assume Bash
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if [ "${BASH_VERSINFO[0]}" -ge "4" ]; then
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# $BASHPID is only available in bash4+
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# $$ is fairly similar so it should not be an issue
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local __RESH_PID="$BASHPID" # current pid
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else
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local __RESH_PID="$$" # current pid
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fi
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fi
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echo "$__RESH_PID"
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}
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__resh_get_epochrealtime() {
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if date +%s.%N | grep -vq 'N'; then
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# GNU date
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date +%s.%N
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elif gdate --version >/dev/null && gdate +%s.%N | grep -vq 'N'; then
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# GNU date take 2
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gdate +%s.%N
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elif [ -n "${ZSH_VERSION-}" ]; then
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# zsh fallback using $EPOCHREALTIME
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if [ -z "${__RESH_ZSH_LOADED_DATETIME+x}" ]; then
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zmodload zsh/datetime
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__RESH_ZSH_LOADED_DATETIME=1
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fi
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echo "$EPOCHREALTIME"
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else
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# dumb date
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# XXX: we lost precison beyond seconds
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date +%s
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if [ -z "${__RESH_DATE_WARN+x}" ]; then
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echo "resh WARN: can't get precise time - consider installing GNU date!"
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__RESH_DATE_WARN=1
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fi
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fi
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}
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__resh_run_daemon() {
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if [ -n "${ZSH_VERSION-}" ]; then
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setopt LOCAL_OPTIONS NO_NOTIFY NO_MONITOR
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fi
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local fpath_last_run="$__RESH_XDG_CACHE_HOME/daemon_last_run_out.txt"
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if [ "$(uname)" = Darwin ]; then
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# hotfix
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gnohup resh-daemon >| "$fpath_last_run" 2>&1 & disown
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else
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# TODO: switch to nohup for consistency once you confirm that daemon is
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# not getting killed anymore on macOS
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# nohup resh-daemon >| "$fpath_last_run" 2>&1 & disown
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setsid resh-daemon >| "$fpath_last_run" 2>&1 & disown
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fi
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}
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__resh_bash_completion_init() {
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# primitive check to find out if bash_completions are installed
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# skip completion init if they are not
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_get_comp_words_by_ref >/dev/null 2>/dev/null
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[[ $? == 127 ]] && return
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local bash_completion_dir=~/.resh/bash_completion.d
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if [[ -d $bash_completion_dir && -r $bash_completion_dir && \
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-x $bash_completion_dir ]]; then
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for i in $(LC_ALL=C command ls "$bash_completion_dir"); do
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i=$bash_completion_dir/$i
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# shellcheck disable=SC2154
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# shellcheck source=/dev/null
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[[ -f "$i" && -r "$i" ]] && . "$i"
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done
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fi
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}
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__resh_zsh_completion_init() {
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# NOTE: this is hacky - each completion needs to be added individually
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# TODO: fix later
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# fpath=(~/.resh/zsh_completion.d $fpath)
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# we should be using fpath but that doesn't work well with oh-my-zsh
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# so we are just adding it manually
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# shellcheck disable=1090
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if typeset -f compdef >/dev/null 2>&1; then
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source ~/.resh/zsh_completion.d/_reshctl && compdef _reshctl reshctl
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else
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# fallback I guess
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fpath=(~/.resh/zsh_completion.d $fpath)
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__RESH_zsh_no_compdef=1
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fi
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# TODO: test and use this
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# NOTE: this is not how globbing works
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# for f in ~/.resh/zsh_completion.d/_*; do
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# source ~/.resh/zsh_completion.d/_$f && compdef _$f $f
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# done
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}
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__resh_session_init() {
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# posix
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local __RESH_COLS="$COLUMNS"
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local __RESH_LANG="$LANG"
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local __RESH_LC_ALL="$LC_ALL"
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# other LC ?
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local __RESH_LINES="$LINES"
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local __RESH_PWD="$PWD"
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# non-posix
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local __RESH_SHLVL="$SHLVL"
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# pid
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local __RESH_PID; __RESH_PID=$(__resh_get_pid)
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# time
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local __RESH_TZ_BEFORE; __RESH_TZ_BEFORE=$(date +%z)
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local __RESH_RT_BEFORE; __RESH_RT_BEFORE=$(__resh_get_epochrealtime)
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if [ "$__RESH_VERSION" != "$(resh-session-init -version)" ]; then
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# shellcheck source=shellrc.sh
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source ~/.resh/shellrc
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if [ "$__RESH_VERSION" != "$(resh-session-init -version)" ]; then
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echo "RESH WARNING: You probably just updated RESH - PLEASE RESTART OR RELOAD THIS TERMINAL SESSION (resh version: $(resh-session-init -version); resh version of this terminal session: ${__RESH_VERSION})"
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else
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echo "RESH INFO: New RESH shellrc script was loaded - if you encounter any issues please restart this terminal session."
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fi
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elif [ "$__RESH_REVISION" != "$(resh-session-init -revision)" ]; then
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# shellcheck source=shellrc.sh
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source ~/.resh/shellrc
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if [ "$__RESH_REVISION" != "$(resh-session-init -revision)" ]; then
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echo "RESH WARNING: You probably just updated RESH - PLEASE RESTART OR RELOAD THIS TERMINAL SESSION (resh revision: $(resh-session-init -revision); resh revision of this terminal session: ${__RESH_REVISION})"
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fi
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fi
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if [ "$__RESH_VERSION" = "$(resh-session-init -version)" ] && [ "$__RESH_REVISION" = "$(resh-session-init -revision)" ]; then
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local fpath_last_run="$__RESH_XDG_CACHE_HOME/session_init_last_run_out.txt"
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resh-session-init -requireVersion "$__RESH_VERSION" \
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-requireRevision "$__RESH_REVISION" \
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-shell "$__RESH_SHELL" \
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-uname "$__RESH_UNAME" \
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-sessionId "$__RESH_SESSION_ID" \
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-cols "$__RESH_COLS" \
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-home "$__RESH_HOME" \
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-lang "$__RESH_LANG" \
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-lcAll "$__RESH_LC_ALL" \
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-lines "$__RESH_LINES" \
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-login "$__RESH_LOGIN" \
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-shellEnv "$__RESH_SHELL_ENV" \
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-term "$__RESH_TERM" \
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-pid "$__RESH_PID" \
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-sessionPid "$__RESH_SESSION_PID" \
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-host "$__RESH_HOST" \
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-hosttype "$__RESH_HOSTTYPE" \
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-ostype "$__RESH_OSTYPE" \
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-machtype "$__RESH_MACHTYPE" \
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-shlvl "$__RESH_SHLVL" \
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-realtimeBefore "$__RESH_RT_BEFORE" \
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-realtimeSession "$__RESH_RT_SESSION" \
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-realtimeSessSinceBoot "$__RESH_RT_SESS_SINCE_BOOT" \
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-timezoneBefore "$__RESH_TZ_BEFORE" \
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-osReleaseId "$__RESH_OS_RELEASE_ID" \
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-osReleaseVersionId "$__RESH_OS_RELEASE_VERSION_ID" \
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-osReleaseIdLike "$__RESH_OS_RELEASE_ID_LIKE" \
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-osReleaseName "$__RESH_OS_RELEASE_NAME" \
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-osReleasePrettyName "$__RESH_OS_RELEASE_PRETTY_NAME" \
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>| "$fpath_last_run" 2>&1 || echo "resh-session-init ERROR: $(head -n 1 $fpath_last_run)"
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fi
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}
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__resh_set_xdg_home_paths() {
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if [ -z "${XDG_CACHE_HOME-}" ]; then
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__RESH_XDG_CACHE_HOME="$HOME/.cache/resh"
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else
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__RESH_XDG_CACHE_HOME="$XDG_CACHE_HOME/resh"
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fi
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mkdir -p "$__RESH_XDG_CACHE_HOME" >/dev/null 2>/dev/null
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export __RESH_XDG_CACHE_HOME
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if [ -z "${XDG_DATA_HOME-}" ]; then
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__RESH_XDG_DATA_HOME="$HOME/.local/share/resh"
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else
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__RESH_XDG_DATA_HOME="$XDG_DATA_HOME/resh"
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fi
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mkdir -p "$__RESH_XDG_DATA_HOME" >/dev/null 2>/dev/null
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export __RESH_XDG_DATA_HOME
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}
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