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ryran/bashrc snippet for customizable powerline-go prompt.sh

Last active February 25, 2022 09:18
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Revisions

  1. ryran revised this gist Feb 25, 2022. 1 changed file with 6 additions and 3 deletions.
    9 changes: 6 additions & 3 deletions bashrc snippet for customizable powerline-go prompt.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -66,11 +66,11 @@ precmd_powerline_prompt() {
    # This command is used to manage the powerline-go in PS1, on-the-fly
    pwr() {
    local me=${FUNCNAME[0]}
    local arg= x= __need_to_add
    local arg= x= __need_to_add
    local usage=$(cat <<-EOF
    Usage: $me [0 | off]
    or: $me [1 | on] [r[eset] | d[efault]] [-d | -duration] [-t | -time]
    [-u | -user] [-c | -cwd] [-g | -git] [-e | -exit] [-r | -root]
    or: $me [1 | on] [r[eset] | d[efault]] [-t | -time] [-u | -user] [-H | -host]
    [-c | -cwd] [-g | -git] [-e | -exit] [-r | -root] [-d | -duration]
    [paths+=ALIAS | paths=[ALIAS][,ALIAS]...] [tz=[TZ]] [theme=[THEME]]
    [newline=[y]] [cwd=[MODE]] [git=[MODE]] [host=[ssh]]
    EOF
    @@ -102,6 +102,7 @@ pwr() {
    -t|-time Disable time module (don't show the current time)
    -u|-user Disable user module (don't show username)
    -H|-host Disable host module (don't show hostname)
    -c|-cwd Disable cwd module (don't show CWD)
    -g|-git Disable git module (don't show git info when in a git proj)
    -e|-exit Disable exit module (don't show error codes)
    @@ -145,6 +146,7 @@ pwr() {
    $me originally created by rsaw, aka ryran, as "pwr"
    https://gist.github.com/ryran/dc0ec41ae5311ac40ce2896d19bbc984
    EOF
    return 1
    fi
    # Process off/on/reset/default before any other args
    for arg in $@; do case $arg in
    @@ -165,6 +167,7 @@ pwr() {
    case $1 in
    -t|-time) x=${__pwr_mods/time} x=${x#,} x=${x%,} __pwr_mods=${x/,,/,} ;;
    -u|-user) x=${__pwr_mods/user} x=${x#,} x=${x%,} __pwr_mods=${x/,,/,} ;;
    -H|-host) x=${__pwr_mods/host} x=${x#,} x=${x%,} __pwr_mods=${x/,,/,} ;;
    -c|-cwd) x=${__pwr_mods/cwd} x=${x#,} x=${x%,} __pwr_mods=${x/,,/,} ;;
    -g|-git) x=${__pwr_mods/git} x=${x#,} x=${x%,} __pwr_mods=${x/,,/,} ;;
    -e|-exit) x=${__pwr_mods/exit} x=${x#,} x=${x%,} __pwr_mods=${x/,,/,} ;;
  2. ryran revised this gist Feb 24, 2022. 1 changed file with 1 addition and 0 deletions.
    1 change: 1 addition & 0 deletions bashrc snippet for customizable powerline-go prompt.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -1,5 +1,6 @@
    # powerline-go for PS1, customizable-on-the-fly thanks to bash-preexec & a custom helper function
    # https://gist.github.com/ryran/dc0ec41ae5311ac40ce2896d19bbc984
    # Source from the bottom of ~/.bashrc

    # Backup PS1
    [[ $PS1_ORIG ]] || PS1_ORIG=$PS1
  3. ryran revised this gist Feb 24, 2022. 1 changed file with 9 additions and 10 deletions.
    19 changes: 9 additions & 10 deletions bashrc snippet for customizable powerline-go prompt.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -1,17 +1,15 @@
    # powerline-go for PS1, customizable-on-the-fly thanks to bash-preexec & a custom helper function
    # https://gist.github.com/ryran/dc0ec41ae5311ac40ce2896d19bbc984
    # Add to the bottom of ~/.bashrc
    # Or put in a separate file and source from the bottom of ~/.bashrc

    # Backup PS1
    [[ $PS1_ORIG ]] || PS1_ORIG=$PS1

    # Clone github.com/justjanne/powerline-go or download binary & customize the path here
    __pwr_binpath=~/bin/powerline-go
    # Download binary from github.com/justjanne/powerline-go & customize the path here
    __pwr_binpath=/usr/local/bin/powerline-go

    # Clone github.com/rcaloras/bash-preexec & customize the path here
    # We use this to plug powerline-go into the shell PS1
    __bash_preexec_path=/g/bash-preexec/bash-preexec.sh
    __bash_preexec_path=/usr/local/lib/bash-preexec.sh

    # Need to be able to grab default powerline-go modules cfg from help page
    __pwr_mods_get_default() { $__pwr_binpath -h 2>&1 | awk '/^ -modules string/,/default/' | grep -F '(default "' | cut -d\" -f2; }
    @@ -26,12 +24,12 @@ __pwr_get_valid_gitmodes() { $__pwr_binpath -h 2>&1 | awk '/^ -git-mode string/
    # Check the "pwr -h" help page in order to compare this with powerline-go's default
    # Notable ommissions that might bother you & which you might want to remedy:
    # "user" (your username) & "root" (the $ or # indicating root user)
    __pwr_mods_my_default='time,ssh,host,venv,cwd,perms,git,jobs,exit,duration'
    __pwr_mods_my_default='time,ssh,user,host,shell-var,venv,cwd,perms,git,jobs,exit,duration'
    # Next is the variable that's actually used for PS1, so if you want to experiment
    # with modules & their ordering, you could modify this from an interactive shell
    __pwr_mods=${__pwr_mods_my_default}
    # Remove my custom path alias and add any of your own, comma-delimited
    __pwr_path_aliases='-path-aliases /g/x/git=x'
    # Replace my custom path alias examples with any of your own, comma-delimited
    __pwr_path_aliases='-path-aliases /often/used/path/to/dir=short-dir-alias,/a/b/c/d=abcd'
    # Custom TZ
    __pwr_tz=
    # Custom theme
    @@ -45,7 +43,8 @@ __pwr_git_mode='-git-mode fancy'
    # Whether to only display hostname if ssh
    __pwr_hostname_if_ssh='-hostname-only-if-ssh'
    # Customize as needed:
    __pwr_extra_opts='-shell bash -colorize-hostname'
    __pwr_extra_opts='-shell bash -colorize-hostname -numeric-exit-codes -shell-var-no-warn-empty -shell-var OS_CLOUDNAME'
    export OS_CLOUDNAME=$OS_CLOUDNAME

    # You can enable/disable all of bash-preexec at any time via shell var PREEXEC={0|1}
    : ${PREEXEC:=1}
    @@ -214,4 +213,4 @@ if [[ $PREEXEC == 1 ]]; then
    else
    pwr off
    unset -f preexec precmd preexec_functions precmd_functions
    fi
    fi
  4. ryran revised this gist Dec 16, 2021. 1 changed file with 2 additions and 7 deletions.
    9 changes: 2 additions & 7 deletions bashrc snippet for customizable powerline-go prompt.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -1,12 +1,7 @@
    # This is the top of my .bashrc

    # Source global definitions
    if [ -f /etc/bashrc ]; then
    . /etc/bashrc
    fi

    # powerline-go for PS1, customizable-on-the-fly thanks to bash-preexec & a custom helper function
    # https://gist.github.com/ryran/dc0ec41ae5311ac40ce2896d19bbc984
    # Add to the bottom of ~/.bashrc
    # Or put in a separate file and source from the bottom of ~/.bashrc

    # Backup PS1
    [[ $PS1_ORIG ]] || PS1_ORIG=$PS1
  5. ryran revised this gist Mar 18, 2021. 1 changed file with 3 additions and 3 deletions.
    6 changes: 3 additions & 3 deletions bashrc snippet for customizable powerline-go prompt.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -11,10 +11,10 @@ fi
    # Backup PS1
    [[ $PS1_ORIG ]] || PS1_ORIG=$PS1

    # Clone github.com/justjanne/powerline-go and customize the path here
    # Clone github.com/justjanne/powerline-go or download binary & customize the path here
    __pwr_binpath=~/bin/powerline-go

    # Clone github.com/rcaloras/bash-preexec and customize the path here
    # Clone github.com/rcaloras/bash-preexec & customize the path here
    # We use this to plug powerline-go into the shell PS1
    __bash_preexec_path=/g/bash-preexec/bash-preexec.sh

    @@ -31,7 +31,7 @@ __pwr_get_valid_gitmodes() { $__pwr_binpath -h 2>&1 | awk '/^ -git-mode string/
    # Check the "pwr -h" help page in order to compare this with powerline-go's default
    # Notable ommissions that might bother you & which you might want to remedy:
    # "user" (your username) & "root" (the $ or # indicating root user)
    __pwr_mods_my_default='time,venv,host,ssh,cwd,perms,git,jobs,exit,duration'
    __pwr_mods_my_default='time,ssh,host,venv,cwd,perms,git,jobs,exit,duration'
    # Next is the variable that's actually used for PS1, so if you want to experiment
    # with modules & their ordering, you could modify this from an interactive shell
    __pwr_mods=${__pwr_mods_my_default}
  6. ryran revised this gist Mar 12, 2021. 1 changed file with 123 additions and 52 deletions.
    175 changes: 123 additions & 52 deletions bashrc snippet for customizable powerline-go prompt.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -5,6 +5,9 @@ if [ -f /etc/bashrc ]; then
    . /etc/bashrc
    fi

    # powerline-go for PS1, customizable-on-the-fly thanks to bash-preexec & a custom helper function
    # https://gist.github.com/ryran/dc0ec41ae5311ac40ce2896d19bbc984

    # Backup PS1
    [[ $PS1_ORIG ]] || PS1_ORIG=$PS1

    @@ -16,18 +19,38 @@ __pwr_binpath=~/bin/powerline-go
    __bash_preexec_path=/g/bash-preexec/bash-preexec.sh

    # Need to be able to grab default powerline-go modules cfg from help page
    __pwr_mods_get_default() {
    $__pwr_binpath -h 2>&1 | awk '/^ -modules string/,/default/' | grep -F '(default "' | cut -d\" -f2
    }
    __pwr_mods_get_default() { $__pwr_binpath -h 2>&1 | awk '/^ -modules string/,/default/' | grep -F '(default "' | cut -d\" -f2; }

    # And let's also get some other stuff for our own help page
    __pwr_get_valid_themes() { $__pwr_binpath -h 2>&1 | awk '/^ -theme string/,/valid choices/' | grep -o '(valid choices.*'; }
    __pwr_get_valid_cwdmodes() { $__pwr_binpath -h 2>&1 | awk '/^ -cwd-mode string/,/valid choices/' | grep -o '(valid choices.*'; }
    __pwr_get_valid_gitmodes() { $__pwr_binpath -h 2>&1 | awk '/^ -git-mode string/,/valid choices/' | grep -o '(valid choices.*'; }


    # Define the components of powerline-go PS1 precmd function (for use w/bash-preexec)
    # Once you've tried it out, you can come back and customize this
    __pwr_mods_my_default='duration,time,venv,host,ssh,cwd,perms,git,jobs,exit'
    # Check the "pwr -h" help page in order to compare this with powerline-go's default
    # Notable ommissions that might bother you & which you might want to remedy:
    # "user" (your username) & "root" (the $ or # indicating root user)
    __pwr_mods_my_default='time,venv,host,ssh,cwd,perms,git,jobs,exit,duration'
    # Next is the variable that's actually used for PS1, so if you want to experiment
    # with modules & their ordering, you could modify this from an interactive shell
    __pwr_mods=${__pwr_mods_my_default}
    # Add any path aliases here
    __pwr_path_aliases='-path-aliases /g/x/git=xgit'
    # Remove my custom path alias and add any of your own, comma-delimited
    __pwr_path_aliases='-path-aliases /g/x/git=x'
    # Custom TZ
    __pwr_tz=
    # Custom theme
    __pwr_theme='-theme default'
    # Whether to use --newline
    __pwr_newline=
    # Custom cwd-mode
    __pwr_cwd_mode='-cwd-mode fancy'
    # Custom git-mode
    __pwr_git_mode='-git-mode fancy'
    # Whether to only display hostname if ssh
    __pwr_hostname_if_ssh='-hostname-only-if-ssh'
    # Customize as needed:
    __pwr_extra_opts='-shell bash -hostname-only-if-ssh -colorize-hostname'
    __pwr_extra_opts='-shell bash -colorize-hostname'

    # You can enable/disable all of bash-preexec at any time via shell var PREEXEC={0|1}
    : ${PREEXEC:=1}
    @@ -37,96 +60,144 @@ __pwr_extra_opts='-shell bash -hostname-only-if-ssh -colorize-hostname'

    precmd_powerline_prompt() {
    # Shouldn't need to customize this unless you want to get rid of checking of background-jobs
    local rc=$?
    if [[ -x $__pwr_binpath ]] && [[ $PWR == 1 || $PWR == on ]]; then
    PS1=$( $__pwr_binpath -error $? -duration $((SECONDS - __CMD_START)) -jobs $(jobs -p | wc -l) -modules $__pwr_mods $__pwr_path_aliases $__pwr_extra_opts )
    PS1=$( [[ $__pwr_tz ]] && export TZ=$__pwr_tz; $__pwr_binpath -error $rc -duration $((SECONDS - __CMD_START)) -jobs $(jobs -p | wc -l) $__pwr_path_aliases $__pwr_theme $__pwr_newline $__pwr_cwd_mode $__pwr_git_mode $__pwr_hostname_if_ssh -modules $__pwr_mods $__pwr_extra_opts )
    else
    PS1=$PS1_ORIG
    fi
    }

    # This command is used to manage the powerline-go in PS1, on-the-fly
    pwr() {
    local me=${FUNCNAME[0]}
    local arg= x= __need_to_add
    local usage=$(cat <<-EOF
    Usage: $me [0 | off]
    or: $me [1 | on] [r[eset] | d[efault]] [-d | -duration] [-t | -time]
    [-u | -user] [-c | -cwd] [-g | -git] [-e | -exit] [-r | -root]
    [paths+=ALIAS | paths=[ALIAS][,ALIAS]...] [tz=[TZ]] [theme=[THEME]]
    [newline=[y]] [cwd=[MODE]] [git=[MODE]] [host=[ssh]]
    EOF
    )

    if [[ $# == 0 || $1 == -h || $1 == --help ]]; then
    echo "$usage"
    cat <<-EOF
    Usage: pwr ( off | on )
    Enable/disable powerline-go integrated with current shell's PS1 prompt
    Control & configure powerline-go integrated into current shell's PS1 prompt
    0|off Completely disable powerline-go prompt
    Alternatively: set shell var PWR=0
    1|on If powerline-go prompt disabled, enable it
    Alternatively: set shell var PWR=1
    Usage: pwr [-duration] [-time] [-user] [-cwd] [-git] [-exit] [-root]
    Remove specific modules from powerline-go in current shell's PS1 prompt
    (These can be used in concert with "on", "reset", and "default")
    r|reset Reset modules to custom defaults defined in the shell var
    "__pwr_mods_my_default", i.e.:
    $__pwr_mods_my_default
    To make permanent changes, update that var in bashrc
    d|default Reset modules to powerline-go's built-in defaults, extracted
    from the help page, i.e.:
    $( __pwr_mods_get_default )
    Use the following to disable specific modules in current shell.
    (Can be used in concert with "on", "reset", and "default".)
    -d|-duration Disable duration module (don't show elapsed time)
    -t|-time Disable time module (don't show the current time)
    -u|-user Disable user module (don't show username)
    -c|-cwd Disable cwd module (don't show CWD; auto-enable root module)
    -g|-git Disable git module (don't show git info when in a git proj)
    -e|-exit Disable exit module (don't show error codes)
    -r|-root Disable root module (don't show "$" or "#")
    -t|-time Disable time module (don't show the current time)
    -u|-user Disable user module (don't show username)
    -c|-cwd Disable cwd module (don't show CWD)
    -g|-git Disable git module (don't show git info when in a git proj)
    -e|-exit Disable exit module (don't show error codes)
    -r|-root Disable root module (don't show "$" or "#")
    -d|-duration Disable duration module (don't show elapsed time)
    Usage: pwr ( reset | default )
    Reset module cfg of powerline-go in current shell's PS1 prompt
    Use the following args to tweak other bits of the prompt in current shell.
    To make changes permanent, update the corresponding shell cfg variable
    (listed underneath each option) in bashrc. To reset any of these to
    powerline-go's built-in default, use "--OPTION=", i.e., equals sign w/ no arg.
    r|reset Reset modules to custom defaults, i.e.:
    $__pwr_mods_my_default
    To make permanent changes, edit \${__pwr_mods_my_default} in bashrc
    paths+=ALIAS
    paths=[ALIAS][,ALIAS]...
    Add new path alias in the form /DIR=NAME or define a comma-
    delimited list of path aliases or get rid of them all
    (current setting: "${__pwr_path_aliases#-path-aliases}")
    \$__pwr_path_aliases
    tz=[TZ] Set timezone used by time module
    \$__pwr_tz
    d|default Reset modules to powerline-go's built-in defaults, extracted
    from the help page, i.e.:
    $( __pwr_mods_get_default )
    theme=[THEME] Modify theme
    $( __pwr_get_valid_themes )
    \$__pwr_theme
    newline=[y] Show the prompt on a new line
    \$__pwr_newline
    cwd=[MODE] Change how cwd module displays current dir
    $( __pwr_get_valid_cwdmodes )
    \$__pwr_cwd_mode
    git=MODE Change how git module displays status
    $( __pwr_get_valid_gitmodes )
    \$__pwr_git_mode
    host=[ssh] Modify host module to only show hostname if ssh
    Use "--host=" to reset to always showing hostname
    \$__pwr_hostname_if_ssh
    pwr originally created by rsaw, aka ryran
    $me originally created by rsaw, aka ryran, as "pwr"
    https://gist.github.com/ryran/dc0ec41ae5311ac40ce2896d19bbc984
    EOF
    return 1
    fi
    # Process off/on/reset/default before any other args
    local arg
    for arg in $@; do case $arg in
    0|off)
    PWR=0
    return
    ;;
    PWR=0; return ;;
    1|on)
    PWR=1
    # only reset if this is completely unset
    [[ $__pwr_mods ]] || __pwr_mods=$__pwr_mods_my_default
    ;;
    PWR=1 ;;
    r|reset)
    __pwr_mods=$__pwr_mods_my_default
    ;;
    __pwr_mods=$__pwr_mods_my_default ;;
    d|default)
    __pwr_mods=$( __pwr_mods_get_default )
    ;;
    __pwr_mods=$( __pwr_mods_get_default ) ;;
    *)
    continue
    esac; done
    esac; done
    until [[ $# == 0 ]]; do
    case $1 in
    -d|-duration) __pwr_mods=${__pwr_mods/duration,/} ;;
    -t|-time) __pwr_mods=${__pwr_mods/time,/} ;;
    -u|-user) __pwr_mods=${__pwr_mods/user,/} ;;
    -c|-cwd) __pwr_mods=${__pwr_mods/cwd,/}; [[ $__pwr_mods =~ ,root ]] || __pwr_mods+=,root ;;
    -g|-git) __pwr_mods=${__pwr_mods/,git/} ;;
    -e|-exit) __pwr_mods=${__pwr_mods/,exit/} ;;
    -r|-root) __pwr_mods=${__pwr_mods/,root/} ;;
    -t|-time) x=${__pwr_mods/time} x=${x#,} x=${x%,} __pwr_mods=${x/,,/,} ;;
    -u|-user) x=${__pwr_mods/user} x=${x#,} x=${x%,} __pwr_mods=${x/,,/,} ;;
    -c|-cwd) x=${__pwr_mods/cwd} x=${x#,} x=${x%,} __pwr_mods=${x/,,/,} ;;
    -g|-git) x=${__pwr_mods/git} x=${x#,} x=${x%,} __pwr_mods=${x/,,/,} ;;
    -e|-exit) x=${__pwr_mods/exit} x=${x#,} x=${x%,} __pwr_mods=${x/,,/,} ;;
    -r|-root) x=${__pwr_mods/root} x=${x#,} x=${x%,} __pwr_mods=${x/,,/,} ;;
    -d|-duration) x=${__pwr_mods/duration} x=${x#,} x=${x%,} __pwr_mods=${x/,,/,} ;;
    1|on|r|reset|d|default)
    # Already processed above
    : ;;
    paths+=*)
    arg=${1#paths+=}
    [[ $__pwr_path_aliases ]] && __pwr_path_aliases+=,$arg || __pwr_path_aliases="-path-aliases $arg" ;;
    paths=*)
    arg=${1#paths=}
    [[ $arg ]] && __pwr_path_aliases="-path-aliases $arg" || __pwr_path_aliases= ;;
    tz=*) __pwr_tz=${1#tz=} ;;
    theme=*) arg=${1#theme=}; [[ $arg ]] && __pwr_theme="-theme $arg" || __pwr_theme= ;;
    newline=*) [[ ${1#newline=} == y ]] && __pwr_newline=--newline || __pwr_newline= ;;
    cwd=*) arg=${1#cwd=}; [[ $arg ]] && __pwr_cwd_mode="-cwd-mode $arg" || __pwr_cwd_mode= ;;
    git=*) arg=${1#git=}; [[ $arg ]] && __pwr_git_mode="-git-mode $arg" || __pwr_git_mode= ;;
    host=*) [[ ${1#host=} == ssh ]] && __pwr_hostname_if_ssh=-hostname-only-if-ssh || __pwr_hostname_if_ssh= ;;
    *)
    echo -e "ERROR: unsupported arg \"$1\"\n"
    pwr -h
    echo -e "ERROR: unsupported arg \"$1\"\n\n$usage"
    return 2
    esac
    shift
    done
    if [[ $PWR == 1 || $PWR == on ]] && [[ $TERM != linux ]]; then
    local __need_to_add=1
    __need_to_add=1
    for func in ${precmd_functions[@]}; do
    [[ $func == precmd_powerline_prompt ]] && __need_to_add=
    done
  7. ryran revised this gist Mar 8, 2021. 1 changed file with 5 additions and 7 deletions.
    12 changes: 5 additions & 7 deletions bashrc snippet for customizable powerline-go prompt.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -37,7 +37,7 @@ __pwr_extra_opts='-shell bash -hostname-only-if-ssh -colorize-hostname'

    precmd_powerline_prompt() {
    # Shouldn't need to customize this unless you want to get rid of checking of background-jobs
    if [[ $PWR == 1 || $PWR == on ]]; then
    if [[ -x $__pwr_binpath ]] && [[ $PWR == 1 || $PWR == on ]]; then
    PS1=$( $__pwr_binpath -error $? -duration $((SECONDS - __CMD_START)) -jobs $(jobs -p | wc -l) -modules $__pwr_mods $__pwr_path_aliases $__pwr_extra_opts )
    else
    PS1=$PS1_ORIG
    @@ -55,7 +55,7 @@ pwr() {
    Alternatively: set shell var PWR=0
    1|on If powerline-go prompt disabled, enable it
    Alternatively: set shell var PWR=1 (only if disabled via PWR=0)
    Alternatively: set shell var PWR=1
    Usage: pwr [-duration] [-time] [-user] [-cwd] [-git] [-exit] [-root]
    Remove specific modules from powerline-go in current shell's PS1 prompt
    @@ -125,16 +125,14 @@ pwr() {
    esac
    shift
    done
    if [[ $TERM != linux && -x $__pwr_binpath ]]; then
    PWR=1
    if [[ $PWR == 1 || $PWR == on ]] && [[ $TERM != linux ]]; then
    local __need_to_add=1
    for func in ${precmd_functions[@]}; do
    [[ $func == precmd_powerline_prompt ]] && __need_to_add=
    done
    [[ $__need_to_add ]] && precmd_functions+=( precmd_powerline_prompt )
    :
    fi
    return
    return 0
    }

    # Enable or disable bash-preexec based on $PREEXEC
    @@ -150,4 +148,4 @@ if [[ $PREEXEC == 1 ]]; then
    else
    pwr off
    unset -f preexec precmd preexec_functions precmd_functions
    fi
    fi
  8. ryran revised this gist Mar 8, 2021. 2 changed files with 153 additions and 113 deletions.
    153 changes: 153 additions & 0 deletions bashrc snippet for customizable powerline-go prompt.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,153 @@
    # This is the top of my .bashrc

    # Source global definitions
    if [ -f /etc/bashrc ]; then
    . /etc/bashrc
    fi

    # Backup PS1
    [[ $PS1_ORIG ]] || PS1_ORIG=$PS1

    # Clone github.com/justjanne/powerline-go and customize the path here
    __pwr_binpath=~/bin/powerline-go

    # Clone github.com/rcaloras/bash-preexec and customize the path here
    # We use this to plug powerline-go into the shell PS1
    __bash_preexec_path=/g/bash-preexec/bash-preexec.sh

    # Need to be able to grab default powerline-go modules cfg from help page
    __pwr_mods_get_default() {
    $__pwr_binpath -h 2>&1 | awk '/^ -modules string/,/default/' | grep -F '(default "' | cut -d\" -f2
    }

    # Define the components of powerline-go PS1 precmd function (for use w/bash-preexec)
    # Once you've tried it out, you can come back and customize this
    __pwr_mods_my_default='duration,time,venv,host,ssh,cwd,perms,git,jobs,exit'
    __pwr_mods=${__pwr_mods_my_default}
    # Add any path aliases here
    __pwr_path_aliases='-path-aliases /g/x/git=xgit'
    # Customize as needed:
    __pwr_extra_opts='-shell bash -hostname-only-if-ssh -colorize-hostname'

    # You can enable/disable all of bash-preexec at any time via shell var PREEXEC={0|1}
    : ${PREEXEC:=1}

    # You can enable/disable powerline-go prompt at any time via shell var PWR={0|1}
    : ${PWR:=1}

    precmd_powerline_prompt() {
    # Shouldn't need to customize this unless you want to get rid of checking of background-jobs
    if [[ $PWR == 1 || $PWR == on ]]; then
    PS1=$( $__pwr_binpath -error $? -duration $((SECONDS - __CMD_START)) -jobs $(jobs -p | wc -l) -modules $__pwr_mods $__pwr_path_aliases $__pwr_extra_opts )
    else
    PS1=$PS1_ORIG
    fi
    }

    # This command is used to manage the powerline-go in PS1, on-the-fly
    pwr() {
    if [[ $# == 0 || $1 == -h || $1 == --help ]]; then
    cat <<-EOF
    Usage: pwr ( off | on )
    Enable/disable powerline-go integrated with current shell's PS1 prompt
    0|off Completely disable powerline-go prompt
    Alternatively: set shell var PWR=0
    1|on If powerline-go prompt disabled, enable it
    Alternatively: set shell var PWR=1 (only if disabled via PWR=0)
    Usage: pwr [-duration] [-time] [-user] [-cwd] [-git] [-exit] [-root]
    Remove specific modules from powerline-go in current shell's PS1 prompt
    (These can be used in concert with "on", "reset", and "default")
    -d|-duration Disable duration module (don't show elapsed time)
    -t|-time Disable time module (don't show the current time)
    -u|-user Disable user module (don't show username)
    -c|-cwd Disable cwd module (don't show CWD; auto-enable root module)
    -g|-git Disable git module (don't show git info when in a git proj)
    -e|-exit Disable exit module (don't show error codes)
    -r|-root Disable root module (don't show "$" or "#")
    Usage: pwr ( reset | default )
    Reset module cfg of powerline-go in current shell's PS1 prompt
    r|reset Reset modules to custom defaults, i.e.:
    $__pwr_mods_my_default
    To make permanent changes, edit \${__pwr_mods_my_default} in bashrc
    d|default Reset modules to powerline-go's built-in defaults, extracted
    from the help page, i.e.:
    $( __pwr_mods_get_default )
    pwr originally created by rsaw, aka ryran
    https://gist.github.com/ryran/dc0ec41ae5311ac40ce2896d19bbc984
    EOF
    return 1
    fi
    # Process off/on/reset/default before any other args
    local arg
    for arg in $@; do case $arg in
    0|off)
    PWR=0
    return
    ;;
    1|on)
    PWR=1
    # only reset if this is completely unset
    [[ $__pwr_mods ]] || __pwr_mods=$__pwr_mods_my_default
    ;;
    r|reset)
    __pwr_mods=$__pwr_mods_my_default
    ;;
    d|default)
    __pwr_mods=$( __pwr_mods_get_default )
    ;;
    *)
    continue
    esac; done
    until [[ $# == 0 ]]; do
    case $1 in
    -d|-duration) __pwr_mods=${__pwr_mods/duration,/} ;;
    -t|-time) __pwr_mods=${__pwr_mods/time,/} ;;
    -u|-user) __pwr_mods=${__pwr_mods/user,/} ;;
    -c|-cwd) __pwr_mods=${__pwr_mods/cwd,/}; [[ $__pwr_mods =~ ,root ]] || __pwr_mods+=,root ;;
    -g|-git) __pwr_mods=${__pwr_mods/,git/} ;;
    -e|-exit) __pwr_mods=${__pwr_mods/,exit/} ;;
    -r|-root) __pwr_mods=${__pwr_mods/,root/} ;;
    1|on|r|reset|d|default)
    # Already processed above
    : ;;
    *)
    echo -e "ERROR: unsupported arg \"$1\"\n"
    pwr -h
    return 2
    esac
    shift
    done
    if [[ $TERM != linux && -x $__pwr_binpath ]]; then
    PWR=1
    local __need_to_add=1
    for func in ${precmd_functions[@]}; do
    [[ $func == precmd_powerline_prompt ]] && __need_to_add=
    done
    [[ $__need_to_add ]] && precmd_functions+=( precmd_powerline_prompt )
    :
    fi
    return
    }

    # Enable or disable bash-preexec based on $PREEXEC
    if [[ $PREEXEC == 1 ]]; then

    . $__bash_preexec_path
    # Add a simple cmd-timer that takes advantage of bash's $SECONDS var
    preexec_start_timer() { __CMD_START=$SECONDS; }
    preexec_functions+=( preexec_start_timer )
    # Enable or disable powerline-go based on $PWR
    [[ $PWR == 1 || $PWR == on ]] && pwr on || pwr off

    else
    pwr off
    unset -f preexec precmd preexec_functions precmd_functions
    fi
    113 changes: 0 additions & 113 deletions bashrc-excerpt.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -1,113 +0,0 @@
    # This is the top of my .bashrc

    # Source global definitions
    if [ -f /etc/bashrc ]; then
    . /etc/bashrc
    fi

    # Backup PS1
    [[ $PS1_ORIG ]] || PS1_ORIG=$PS1

    # Clone github.com/justjanne/powerline-go and customize the path here
    __pwr_binpath=~/bin/powerline-go

    # Clone github.com/rcaloras/bash-preexec and customize the path here
    # We use this to plug powerline-go into the shell PS1
    __bash_preexec_path=/g/bash-preexec/bash-preexec.sh

    # Now we define components of powerline-go PS1 precmd function (for use w/bash-preexec)
    # Once you've tried it out, you can come back and customize this
    __pwr_mods_default='duration,time,venv,host,ssh,cwd,perms,git,jobs,exit'
    __pwr_mods=${__pwr_mods_default}
    # Add any path aliases here
    __pwr_path_aliases='-path-aliases /g/x/git=xgit'
    # Customize as needed:
    __pwr_extra_opts='-shell bash -hostname-only-if-ssh -colorize-hostname'

    # You can enable/disable all of bash-preexec at any time via shell var PREEXEC={0|1}
    PREEXEC=1

    # You can enable/disable powerline-go prompt at any time via shell var PWR={0|1}
    PWR=1

    precmd_powerline_prompt() {
    # Shouldn't need to customize this unless you want to get rid of bg-job-checking
    PS1=$( $__pwr_binpath -error $? -duration $((SECONDS - __CMD_START)) -jobs $(jobs -p | wc -l) -modules $__pwr_mods $__pwr_path_aliases $__pwr_extra_opts )
    }


    # This command is used to manage the powerline-go in PS1, on-the-fly
    pwr() {
    if [[ $# == 0 || $1 == -h || $1 == --help ]]; then
    cat <<-EOF
    usage: pwr { 0 | 1 | args }
    Control powerline-go integrated with PS1 prompt
    (Enable, disable, or reconfigure)
    args:
    0 Completely disable powerline-go prompt
    1 Enable powerline-go or reset to default settings
    -d|-duration Disable duration module (don't show elapsed time)
    -t|-time Disable time module (don't show the current time)
    -c|-cwd Disable cwd module (don't show CWD; auto-enable root module)
    -r|-root Disable root module (don't show "$" or "#")
    -e|-exit Disable exit module (don't show error codes)
    EOF
    return 1
    fi
    until [[ $# == 0 ]]; do
    case $1 in
    0)
    # remove "precmd_powerline_prompt" from precmd_functions array
    precmd_functions=( $(for func in ${precmd_functions[@]}; do [[ $func == precmd_powerline_prompt ]] || echo $func; done) )
    PS1=$PS1_ORIG
    PWR=0
    return
    ;;
    1)
    __pwr_mods=$__pwr_mods_default
    ;;
    -d|-duration) __pwr_mods=${__pwr_mods/duration,/} ;;
    -t|-time) __pwr_mods=${__pwr_mods/time,/} ;;
    -c|-cwd) __pwr_mods=${__pwr_mods/cwd,/}; [[ $__pwr_mods =~ ,root ]] || __pwr_mods+=,root ;;
    -r|-root) __pwr_mods=${__pwr_mods/,root/} ;;
    -e|-exit) __pwr_mods=${__pwr_mods/,exit/} ;;
    *)
    echo -e "ERROR: unsupported arg \"$1\"\n\nusage: powerline { 0 | 1 | args }\n(See -h for more detail)"
    return 2
    esac
    shift
    done
    if [[ $TERM != linux && -x $__pwr_binpath ]]; then
    PWR=1
    local __need_to_add=1
    for func in ${precmd_functions[@]}; do
    [[ $func == precmd_powerline_prompt ]] && __need_to_add=
    done
    [[ $__need_to_add ]] && precmd_functions+=( precmd_powerline_prompt )
    :
    fi
    return
    }

    # Enable or disable bash-preexec based on $PREEXEC
    if [[ $PREEXEC == 1 ]]; then

    . $__bash_preexec_path
    # Add a simple cmd-timer that takes advantage of bash's $SECONDS var
    preexec_start_timer() { __CMD_START=$SECONDS; }
    preexec_functions+=( preexec_start_timer )
    # Enable or disable powerline-go based on $PWR
    [[ $PWR == 1 ]] && pwr 1 || pwr 0

    else
    pwr 0
    unset -f preexec precmd preexec_functions precmd_functions
    fi
  9. ryran revised this gist Mar 8, 2021. 1 changed file with 2 additions and 2 deletions.
    4 changes: 2 additions & 2 deletions bashrc-excerpt.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -77,8 +77,8 @@ pwr() {
    -d|-duration) __pwr_mods=${__pwr_mods/duration,/} ;;
    -t|-time) __pwr_mods=${__pwr_mods/time,/} ;;
    -c|-cwd) __pwr_mods=${__pwr_mods/cwd,/}; [[ $__pwr_mods =~ ,root ]] || __pwr_mods+=,root ;;
    -r|-root) __pwr_mods=${__pwr_mods/root,/} ;;
    -e|-exit) __pwr_mods=${__pwr_mods/exit,/} ;;
    -r|-root) __pwr_mods=${__pwr_mods/,root/} ;;
    -e|-exit) __pwr_mods=${__pwr_mods/,exit/} ;;
    *)
    echo -e "ERROR: unsupported arg \"$1\"\n\nusage: powerline { 0 | 1 | args }\n(See -h for more detail)"
    return 2
  10. ryran created this gist Mar 8, 2021.
    113 changes: 113 additions & 0 deletions bashrc-excerpt.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,113 @@
    # This is the top of my .bashrc

    # Source global definitions
    if [ -f /etc/bashrc ]; then
    . /etc/bashrc
    fi

    # Backup PS1
    [[ $PS1_ORIG ]] || PS1_ORIG=$PS1

    # Clone github.com/justjanne/powerline-go and customize the path here
    __pwr_binpath=~/bin/powerline-go

    # Clone github.com/rcaloras/bash-preexec and customize the path here
    # We use this to plug powerline-go into the shell PS1
    __bash_preexec_path=/g/bash-preexec/bash-preexec.sh

    # Now we define components of powerline-go PS1 precmd function (for use w/bash-preexec)
    # Once you've tried it out, you can come back and customize this
    __pwr_mods_default='duration,time,venv,host,ssh,cwd,perms,git,jobs,exit'
    __pwr_mods=${__pwr_mods_default}
    # Add any path aliases here
    __pwr_path_aliases='-path-aliases /g/x/git=xgit'
    # Customize as needed:
    __pwr_extra_opts='-shell bash -hostname-only-if-ssh -colorize-hostname'

    # You can enable/disable all of bash-preexec at any time via shell var PREEXEC={0|1}
    PREEXEC=1

    # You can enable/disable powerline-go prompt at any time via shell var PWR={0|1}
    PWR=1

    precmd_powerline_prompt() {
    # Shouldn't need to customize this unless you want to get rid of bg-job-checking
    PS1=$( $__pwr_binpath -error $? -duration $((SECONDS - __CMD_START)) -jobs $(jobs -p | wc -l) -modules $__pwr_mods $__pwr_path_aliases $__pwr_extra_opts )
    }


    # This command is used to manage the powerline-go in PS1, on-the-fly
    pwr() {
    if [[ $# == 0 || $1 == -h || $1 == --help ]]; then
    cat <<-EOF
    usage: pwr { 0 | 1 | args }
    Control powerline-go integrated with PS1 prompt
    (Enable, disable, or reconfigure)
    args:
    0 Completely disable powerline-go prompt
    1 Enable powerline-go or reset to default settings
    -d|-duration Disable duration module (don't show elapsed time)
    -t|-time Disable time module (don't show the current time)
    -c|-cwd Disable cwd module (don't show CWD; auto-enable root module)
    -r|-root Disable root module (don't show "$" or "#")
    -e|-exit Disable exit module (don't show error codes)
    EOF
    return 1
    fi
    until [[ $# == 0 ]]; do
    case $1 in
    0)
    # remove "precmd_powerline_prompt" from precmd_functions array
    precmd_functions=( $(for func in ${precmd_functions[@]}; do [[ $func == precmd_powerline_prompt ]] || echo $func; done) )
    PS1=$PS1_ORIG
    PWR=0
    return
    ;;
    1)
    __pwr_mods=$__pwr_mods_default
    ;;
    -d|-duration) __pwr_mods=${__pwr_mods/duration,/} ;;
    -t|-time) __pwr_mods=${__pwr_mods/time,/} ;;
    -c|-cwd) __pwr_mods=${__pwr_mods/cwd,/}; [[ $__pwr_mods =~ ,root ]] || __pwr_mods+=,root ;;
    -r|-root) __pwr_mods=${__pwr_mods/root,/} ;;
    -e|-exit) __pwr_mods=${__pwr_mods/exit,/} ;;
    *)
    echo -e "ERROR: unsupported arg \"$1\"\n\nusage: powerline { 0 | 1 | args }\n(See -h for more detail)"
    return 2
    esac
    shift
    done
    if [[ $TERM != linux && -x $__pwr_binpath ]]; then
    PWR=1
    local __need_to_add=1
    for func in ${precmd_functions[@]}; do
    [[ $func == precmd_powerline_prompt ]] && __need_to_add=
    done
    [[ $__need_to_add ]] && precmd_functions+=( precmd_powerline_prompt )
    :
    fi
    return
    }

    # Enable or disable bash-preexec based on $PREEXEC
    if [[ $PREEXEC == 1 ]]; then

    . $__bash_preexec_path
    # Add a simple cmd-timer that takes advantage of bash's $SECONDS var
    preexec_start_timer() { __CMD_START=$SECONDS; }
    preexec_functions+=( preexec_start_timer )
    # Enable or disable powerline-go based on $PWR
    [[ $PWR == 1 ]] && pwr 1 || pwr 0

    else
    pwr 0
    unset -f preexec precmd preexec_functions precmd_functions
    fi