dartokloning 修订了这个 Gist . 跳至此修订
1 file changed, 3 insertions, 3 deletions
shell-prompt.sh
| @@ -262,8 +262,8 @@ enable_command_on_new_line=true # Add new line between prompt and command | |||
| 262 | 262 | ##============================================================================== | |
| 263 | 263 | ## USER | |
| 264 | 264 | ##============================================================================== | |
| 265 | - | font_color_user="white" | |
| 266 | - | background_user="blue" | |
| 265 | + | font_color_user="black" | |
| 266 | + | background_user="green" | |
| 267 | 267 | texteffect_user="bold" | |
| 268 | 268 | ##============================================================================== | |
| 269 | 269 | ## HOST | |
| @@ -316,7 +316,7 @@ texteffect_tf="bold" | |||
| 316 | 316 | ## CLOCK | |
| 317 | 317 | ##============================================================================== | |
| 318 | 318 | font_color_clock="white" | |
| 319 | - | background_clock="light-blue" | |
| 319 | + | background_clock="black" | |
| 320 | 320 | texteffect_clock="bold" | |
| 321 | 321 | clock_format="%H:%M:%S" | |
| 322 | 322 | ##============================================================================== | |
dartokloning 修订了这个 Gist . 跳至此修订
1 file changed, 722 insertions
shell-prompt.sh(file created)
| @@ -0,0 +1,722 @@ | |||
| 1 | + | #!/usr/bin/env bash | |
| 2 | + | ||
| 3 | + | ## | |
| 4 | + | ## | |
| 5 | + | ## Visit for instructions and more information: | |
| 6 | + | ## https://github.com/andresgongora/synth-shell/ | |
| 7 | + | ## | |
| 8 | + | ## | |
| 9 | + | ||
| 10 | + | ## | |
| 11 | + | ##================================================================================================== | |
| 12 | + | ## CODE PARSERS | |
| 13 | + | ##================================================================================================== | |
| 14 | + | ##------------------------------------------------------------------------------ | |
| 15 | + | ## | |
| 16 | + | get8bitCode() | |
| 17 | + | { | |
| 18 | + | CODE=$1 | |
| 19 | + | case $CODE in | |
| 20 | + | default) | |
| 21 | + | echo 9 | |
| 22 | + | ;; | |
| 23 | + | none) | |
| 24 | + | echo 9 | |
| 25 | + | ;; | |
| 26 | + | black) | |
| 27 | + | echo 0 | |
| 28 | + | ;; | |
| 29 | + | red) | |
| 30 | + | echo 1 | |
| 31 | + | ;; | |
| 32 | + | green) | |
| 33 | + | echo 2 | |
| 34 | + | ;; | |
| 35 | + | yellow) | |
| 36 | + | echo 3 | |
| 37 | + | ;; | |
| 38 | + | blue) | |
| 39 | + | echo 4 | |
| 40 | + | ;; | |
| 41 | + | magenta|purple|pink) | |
| 42 | + | echo 5 | |
| 43 | + | ;; | |
| 44 | + | cyan) | |
| 45 | + | echo 6 | |
| 46 | + | ;; | |
| 47 | + | light-gray) | |
| 48 | + | echo 7 | |
| 49 | + | ;; | |
| 50 | + | dark-gray) | |
| 51 | + | echo 60 | |
| 52 | + | ;; | |
| 53 | + | light-red) | |
| 54 | + | echo 61 | |
| 55 | + | ;; | |
| 56 | + | light-green) | |
| 57 | + | echo 62 | |
| 58 | + | ;; | |
| 59 | + | light-yellow) | |
| 60 | + | echo 63 | |
| 61 | + | ;; | |
| 62 | + | light-blue) | |
| 63 | + | echo 64 | |
| 64 | + | ;; | |
| 65 | + | light-magenta|light-purple) | |
| 66 | + | echo 65 | |
| 67 | + | ;; | |
| 68 | + | light-cyan) | |
| 69 | + | echo 66 | |
| 70 | + | ;; | |
| 71 | + | white) | |
| 72 | + | echo 67 | |
| 73 | + | ;; | |
| 74 | + | *) | |
| 75 | + | echo 0 | |
| 76 | + | esac | |
| 77 | + | } | |
| 78 | + | ##------------------------------------------------------------------------------ | |
| 79 | + | ## | |
| 80 | + | getColorCode() | |
| 81 | + | { | |
| 82 | + | COLOR=$1 | |
| 83 | + | ## Check if color is a 256-color code | |
| 84 | + | if [ $COLOR -eq $COLOR ] 2> /dev/null; then | |
| 85 | + | if [ $COLOR -gt 0 -a $COLOR -lt 256 ]; then | |
| 86 | + | echo "38;5;$COLOR" | |
| 87 | + | else | |
| 88 | + | echo 0 | |
| 89 | + | fi | |
| 90 | + | ## Or if color key-workd | |
| 91 | + | else | |
| 92 | + | BITCODE=$(get8bitCode $COLOR) | |
| 93 | + | COLORCODE=$(($BITCODE + 30)) | |
| 94 | + | echo $COLORCODE | |
| 95 | + | fi | |
| 96 | + | } | |
| 97 | + | ##------------------------------------------------------------------------------ | |
| 98 | + | ## | |
| 99 | + | getBackgroundCode() | |
| 100 | + | { | |
| 101 | + | COLOR=$1 | |
| 102 | + | ## Check if color is a 256-color code | |
| 103 | + | if [ $COLOR -eq $COLOR ] 2> /dev/null; then | |
| 104 | + | if [ $COLOR -gt 0 -a $COLOR -lt 256 ]; then | |
| 105 | + | echo "48;5;$COLOR" | |
| 106 | + | else | |
| 107 | + | echo 0 | |
| 108 | + | fi | |
| 109 | + | ## Or if color key-workd | |
| 110 | + | else | |
| 111 | + | BITCODE=$(get8bitCode $COLOR) | |
| 112 | + | COLORCODE=$(($BITCODE + 40)) | |
| 113 | + | echo $COLORCODE | |
| 114 | + | fi | |
| 115 | + | } | |
| 116 | + | ##------------------------------------------------------------------------------ | |
| 117 | + | ## | |
| 118 | + | getEffectCode() | |
| 119 | + | { | |
| 120 | + | EFFECT=$1 | |
| 121 | + | NONE=0 | |
| 122 | + | case $EFFECT in | |
| 123 | + | none) | |
| 124 | + | echo $NONE | |
| 125 | + | ;; | |
| 126 | + | default) | |
| 127 | + | echo $NONE | |
| 128 | + | ;; | |
| 129 | + | bold) | |
| 130 | + | echo 1 | |
| 131 | + | ;; | |
| 132 | + | bright) | |
| 133 | + | echo 1 | |
| 134 | + | ;; | |
| 135 | + | dim) | |
| 136 | + | echo 2 | |
| 137 | + | ;; | |
| 138 | + | underline) | |
| 139 | + | echo 4 | |
| 140 | + | ;; | |
| 141 | + | blink) | |
| 142 | + | echo 5 | |
| 143 | + | ;; | |
| 144 | + | reverse) | |
| 145 | + | echo 7 | |
| 146 | + | ;; | |
| 147 | + | hidden) | |
| 148 | + | echo 8 | |
| 149 | + | ;; | |
| 150 | + | strikeout) | |
| 151 | + | echo 9 | |
| 152 | + | ;; | |
| 153 | + | *) | |
| 154 | + | echo $NONE | |
| 155 | + | esac | |
| 156 | + | } | |
| 157 | + | ##------------------------------------------------------------------------------ | |
| 158 | + | ## | |
| 159 | + | getFormattingSequence() | |
| 160 | + | { | |
| 161 | + | START='\e[0;' | |
| 162 | + | MIDLE=$1 | |
| 163 | + | END='m' | |
| 164 | + | echo -n "$START$MIDLE$END" | |
| 165 | + | } | |
| 166 | + | ##================================================================================================== | |
| 167 | + | ## AUX | |
| 168 | + | ##================================================================================================== | |
| 169 | + | applyCodeToText() | |
| 170 | + | { | |
| 171 | + | local RESET=$(getFormattingSequence $(getEffectCode none)) | |
| 172 | + | TEXT=$1 | |
| 173 | + | CODE=$2 | |
| 174 | + | echo -n "$CODE$TEXT$RESET" | |
| 175 | + | } | |
| 176 | + | ##================================================================================================== | |
| 177 | + | ## MAIN FUNCTIONS | |
| 178 | + | ##================================================================================================== | |
| 179 | + | ##------------------------------------------------------------------------------ | |
| 180 | + | ## | |
| 181 | + | getFormatCode() | |
| 182 | + | { | |
| 183 | + | local RESET=$(getFormattingSequence $(getEffectCode none)) | |
| 184 | + | ## NO ARGUMENT PROVIDED | |
| 185 | + | if [ "$#" -eq 0 ]; then | |
| 186 | + | echo -n "$RESET" | |
| 187 | + | ## 1 ARGUMENT -> ASSUME TEXT COLOR | |
| 188 | + | elif [ "$#" -eq 1 ]; then | |
| 189 | + | TEXT_COLOR=$(getFormattingSequence $(getColorCode $1)) | |
| 190 | + | echo -n "$TEXT_COLOR" | |
| 191 | + | ## ARGUMENTS PROVIDED | |
| 192 | + | else | |
| 193 | + | FORMAT="" | |
| 194 | + | while [ "$1" != "" ]; do | |
| 195 | + | ## PROCESS ARGUMENTS | |
| 196 | + | TYPE=$1 | |
| 197 | + | ARGUMENT=$2 | |
| 198 | + | case $TYPE in | |
| 199 | + | -c) | |
| 200 | + | CODE=$(getColorCode $ARGUMENT) | |
| 201 | + | ;; | |
| 202 | + | -b) | |
| 203 | + | CODE=$(getBackgroundCode $ARGUMENT) | |
| 204 | + | ;; | |
| 205 | + | -e) | |
| 206 | + | CODE=$(getEffectCode $ARGUMENT) | |
| 207 | + | ;; | |
| 208 | + | *) | |
| 209 | + | CODE="" | |
| 210 | + | esac | |
| 211 | + | ## ADD CODE SEPARATOR IF NEEDED | |
| 212 | + | if [ "$FORMAT" != "" ]; then | |
| 213 | + | FORMAT="$FORMAT;" | |
| 214 | + | fi | |
| 215 | + | ## APPEND CODE | |
| 216 | + | FORMAT="$FORMAT$CODE" | |
| 217 | + | # Remove arguments from stack | |
| 218 | + | shift | |
| 219 | + | shift | |
| 220 | + | done | |
| 221 | + | ## APPLY FORMAT TO TEXT | |
| 222 | + | FORMAT_CODE=$(getFormattingSequence $FORMAT) | |
| 223 | + | echo -n "${FORMAT_CODE}" | |
| 224 | + | fi | |
| 225 | + | } | |
| 226 | + | ##------------------------------------------------------------------------------ | |
| 227 | + | ## | |
| 228 | + | formatText() | |
| 229 | + | { | |
| 230 | + | local RESET=$(getFormattingSequence $(getEffectCode none)) | |
| 231 | + | ## NO ARGUMENT PROVIDED | |
| 232 | + | if [ "$#" -eq 0 ]; then | |
| 233 | + | echo -n "${RESET}" | |
| 234 | + | ## ONLY A STRING PROVIDED -> Append reset sequence | |
| 235 | + | elif [ "$#" -eq 1 ]; then | |
| 236 | + | TEXT=$1 | |
| 237 | + | echo -n "${TEXT}${RESET}" | |
| 238 | + | ## ARGUMENTS PROVIDED | |
| 239 | + | else | |
| 240 | + | TEXT=$1 | |
| 241 | + | FORMAT_CODE=$(getFormatCode "${@:2}") | |
| 242 | + | applyCodeToText "$TEXT" "$FORMAT_CODE" | |
| 243 | + | fi | |
| 244 | + | } | |
| 245 | + | ##------------------------------------------------------------------------------ | |
| 246 | + | ## | |
| 247 | + | removeColorCodes() | |
| 248 | + | { | |
| 249 | + | printf "$1" | sed 's/\x1b\[[0-9;]*m//g' | |
| 250 | + | } | |
| 251 | + | ||
| 252 | + | ##============================================================================== | |
| 253 | + | ## MAIN FORMAT | |
| 254 | + | ##============================================================================== | |
| 255 | + | format="USER HOST PWD GIT PYENV TF KUBE DATE CLOCK" | |
| 256 | + | separator_char='\uE0B0' # Separation character, '\uE0B0'=triangle | |
| 257 | + | separator_padding_left='' # Add char or string to the left of the separator | |
| 258 | + | separator_padding_right='' # Add char or string to the right of the separator | |
| 259 | + | segment_padding=' ' # Add char or string around segment text | |
| 260 | + | enable_vertical_padding=true # Add extra new line over prompt | |
| 261 | + | enable_command_on_new_line=true # Add new line between prompt and command | |
| 262 | + | ##============================================================================== | |
| 263 | + | ## USER | |
| 264 | + | ##============================================================================== | |
| 265 | + | font_color_user="white" | |
| 266 | + | background_user="blue" | |
| 267 | + | texteffect_user="bold" | |
| 268 | + | ##============================================================================== | |
| 269 | + | ## HOST | |
| 270 | + | ##============================================================================== | |
| 271 | + | font_color_host="white" | |
| 272 | + | background_host="light-blue" | |
| 273 | + | texteffect_host="bold" | |
| 274 | + | ##============================================================================== | |
| 275 | + | ## PWD (working dir) | |
| 276 | + | ##============================================================================== | |
| 277 | + | font_color_pwd="dark-gray" | |
| 278 | + | background_pwd="white" | |
| 279 | + | texteffect_pwd="bold" | |
| 280 | + | max_pwd_char="25" | |
| 281 | + | ##============================================================================== | |
| 282 | + | ## GIT | |
| 283 | + | ##============================================================================== | |
| 284 | + | font_color_git="light-gray" | |
| 285 | + | background_git="dark-gray" | |
| 286 | + | texteffect_git="bold" | |
| 287 | + | git_symbol_synced='' | |
| 288 | + | git_symbol_unpushed=' ▲' | |
| 289 | + | git_symbol_unpulled=' ▼' | |
| 290 | + | git_symbol_unpushedunpulled=' ◆' | |
| 291 | + | git_symbol_dirty=' ◔' | |
| 292 | + | git_symbol_dirty_unpushed=' ◔ △' | |
| 293 | + | git_symbol_dirty_unpulled=' ◔ ▽' | |
| 294 | + | git_symbol_dirty_unpushedunpulled=' ◔ ◇' | |
| 295 | + | git_symbol_stash='🗎' | |
| 296 | + | git_update_period_minutes=15 # Use -1 to disable automatic updates | |
| 297 | + | ##============================================================================== | |
| 298 | + | ## PYENV | |
| 299 | + | ##============================================================================== | |
| 300 | + | font_color_pyenv="white" | |
| 301 | + | background_pyenv="blue" | |
| 302 | + | texteffect_pyenv="bold" | |
| 303 | + | ##============================================================================== | |
| 304 | + | ## KUBERNETES | |
| 305 | + | ##============================================================================== | |
| 306 | + | font_color_kube="white" | |
| 307 | + | background_kube="purple" | |
| 308 | + | texteffect_kube="bold" | |
| 309 | + | ##============================================================================== | |
| 310 | + | ## TERRAFORM WORKSPACE | |
| 311 | + | ##============================================================================== | |
| 312 | + | font_color_tf="purple" | |
| 313 | + | background_tf="light-purple" | |
| 314 | + | texteffect_tf="bold" | |
| 315 | + | ##============================================================================== | |
| 316 | + | ## CLOCK | |
| 317 | + | ##============================================================================== | |
| 318 | + | font_color_clock="white" | |
| 319 | + | background_clock="light-blue" | |
| 320 | + | texteffect_clock="bold" | |
| 321 | + | clock_format="%H:%M:%S" | |
| 322 | + | ##============================================================================== | |
| 323 | + | ## DATE | |
| 324 | + | ##============================================================================== | |
| 325 | + | font_color_date="white" | |
| 326 | + | background_date="light-purple" | |
| 327 | + | texteffect_date="bold" | |
| 328 | + | date_format="${hari}, %d ${bulan} %Y" | |
| 329 | + | ##============================================================================== | |
| 330 | + | ## INPUT (user typed command) | |
| 331 | + | ##============================================================================== | |
| 332 | + | font_color_input="45" | |
| 333 | + | background_input="none" | |
| 334 | + | texteffect_input="bold" | |
| 335 | + | ||
| 336 | + | ##============================================================================== | |
| 337 | + | ## EXTERNAL DEPENDENCIES | |
| 338 | + | ##============================================================================== | |
| 339 | + | [ "$(type -t include)" != 'function' ]&&{ include(){ { [ -z "$_IR" ]&&_IR="$PWD"&&cd "$(dirname "${BASH_SOURCE[0]}")"&&include "$1"&&cd "$_IR"&&unset _IR;}||{ local d="$PWD"&&cd "$(dirname "$PWD/$1")"&&. "$(basename "$1")"&&cd "$d";}||{ echo "Include failed $PWD->$1"&&exit 1;};};} | |
| 340 | + | synth_shell_prompt() | |
| 341 | + | { | |
| 342 | + | ##============================================================================== | |
| 343 | + | ## FUNCTIONS | |
| 344 | + | ##============================================================================== | |
| 345 | + | ##------------------------------------------------------------------------------ | |
| 346 | + | ## | |
| 347 | + | ## Returns current git branch for current directory, if (and only if) | |
| 348 | + | ## the current directory is part of a git repository, and git is installed. | |
| 349 | + | ## | |
| 350 | + | ## In addition, it adds a symbol to indicate the state of the repository. | |
| 351 | + | ## By default, these symbols and their meaning are (set globally): | |
| 352 | + | ## | |
| 353 | + | ## UPSTREAM NO CHANGE DIRTY | |
| 354 | + | ## up to date SSP_GIT_SYNCED SSP_GIT_DIRTY | |
| 355 | + | ## ahead SSP_GIT_AHEAD SSP_GIT_DIRTY_AHEAD | |
| 356 | + | ## behind SSP_GIT_BEHIND SSP_GIT_DIRTY_BEHIND | |
| 357 | + | ## diverged SSP_GIT_DIVERGED SSP_GIT_DIRTY_DIVERGED | |
| 358 | + | ## | |
| 359 | + | ## Returns an empty string otherwise. | |
| 360 | + | ## | |
| 361 | + | ## Inspired by twolfson's sexy-bash-prompt: | |
| 362 | + | ## https://github.com/twolfson/sexy-bash-prompt | |
| 363 | + | ## | |
| 364 | + | getGitBranch() | |
| 365 | + | { | |
| 366 | + | ## Check if git is installed, otherwise skip this function so as to not | |
| 367 | + | ## generate any errors. | |
| 368 | + | if ! ( which git > /dev/null 2>&1 ); then | |
| 369 | + | echo "" | |
| 370 | + | return | |
| 371 | + | fi | |
| 372 | + | ## Check if in a git respository, otherwise skip since there is no info | |
| 373 | + | ## to print. | |
| 374 | + | local branch=$(git branch 2> /dev/null |\ | |
| 375 | + | sed -n '/^[^*]/d;s/*\s*\(.*\)/\1/p') | |
| 376 | + | if [[ -z "$branch" ]]; then | |
| 377 | + | echo "" | |
| 378 | + | return | |
| 379 | + | fi | |
| 380 | + | ## Fetch branch, required to later determine if the local dir is up to date. | |
| 381 | + | ## Because doing so for every terminal prompt can be slow, the script will | |
| 382 | + | ## do so only if its globaly enabled (see config) and only periodically in | |
| 383 | + | ## the background. | |
| 384 | + | if [ "$SSP_GIT_UPDATE_PERIOD_MINUTES" -ge 0 ]; then | |
| 385 | + | ## Find .git, i.e., the root of the repository. | |
| 386 | + | local d="$PWD" | |
| 387 | + | local max_lvls=25 | |
| 388 | + | while [ ! -e "./.git" -a $max_lvls -gt 0 ]; do | |
| 389 | + | cd .. # Go up 1 level | |
| 390 | + | max_lvls=$((max_lvls - 1)) | |
| 391 | + | done | |
| 392 | + | local dot_git="${PWD}/.git" | |
| 393 | + | cd "$d" | |
| 394 | + | ## Check if submodule. | |
| 395 | + | if [ -f "$dot_git" ]; then | |
| 396 | + | local dot_git=$(cat $dot_git | grep 'gitdir' | sed 's/gitdir:\ //g') | |
| 397 | + | fi | |
| 398 | + | ## Get timestamp. | |
| 399 | + | if [ -d "$dot_git" -a -e "${dot_git}/FETCH_HEAD" ]; then | |
| 400 | + | local git_last_update=$(stat -c "%Y" "${dot_git}/FETCH_HEAD") | |
| 401 | + | fi | |
| 402 | + | ## Update if it's time to do so. | |
| 403 | + | if [ ! -z $git_last_update ]; then | |
| 404 | + | local current_timestamp=$(date +%s) | |
| 405 | + | local elapsed_minutes=$(((current_timestamp-git_last_update)/60)) | |
| 406 | + | if [ "$elapsed_minutes" -ge "$SSP_GIT_UPDATE_PERIOD_MINUTES" ]; then | |
| 407 | + | git fetch --recurse-submodules > /dev/null 2>&1 & | |
| 408 | + | fi | |
| 409 | + | fi | |
| 410 | + | fi | |
| 411 | + | ## Get repository status. | |
| 412 | + | ## This information contains whether the current branch is ahead, behind or | |
| 413 | + | ## diverged (ahead & behind), as well as whether any file has been modified | |
| 414 | + | ## locally (is dirty). | |
| 415 | + | ## @note The repository must be fetched for this information to be accurate. | |
| 416 | + | ## @note The following git flags are used: | |
| 417 | + | ## --porcelain: script friendly output. | |
| 418 | + | ## -b: show branch tracking info. | |
| 419 | + | ## -u no: do not list untracked/dirty files. | |
| 420 | + | local is_dirty=false &&\ | |
| 421 | + | [[ -n "$(git status --porcelain)" ]] &&\ | |
| 422 | + | is_dirty=true | |
| 423 | + | local is_ahead=false &&\ | |
| 424 | + | [[ "$(git status --porcelain -u no -b)" == *"ahead"* ]] &&\ | |
| 425 | + | is_ahead=true | |
| 426 | + | local is_behind=false &&\ | |
| 427 | + | [[ "$(git status --porcelain -u no -b)" == *"behind"* ]] &&\ | |
| 428 | + | is_behind=true | |
| 429 | + | ## Determine symbol to show in prompt according to git status. | |
| 430 | + | if $is_dirty && $is_ahead && $is_behind; then | |
| 431 | + | local symbol=$SSP_GIT_DIRTY_DIVERGED | |
| 432 | + | elif $is_dirty && $is_ahead; then | |
| 433 | + | local symbol=$SSP_GIT_DIRTY_AHEAD | |
| 434 | + | elif $is_dirty && $is_behind; then | |
| 435 | + | local symbol=$SSP_GIT_DIRTY_BEHIND | |
| 436 | + | elif $is_dirty; then | |
| 437 | + | local symbol=$SSP_GIT_DIRTY | |
| 438 | + | elif $is_ahead && $is_behind; then | |
| 439 | + | local symbol=$SSP_GIT_DIVERGED | |
| 440 | + | elif $is_ahead; then | |
| 441 | + | local symbol=$SSP_GIT_AHEAD | |
| 442 | + | elif $is_behind; then | |
| 443 | + | local symbol=$SSP_GIT_BEHIND | |
| 444 | + | else | |
| 445 | + | local symbol=$SSP_GIT_SYNCED | |
| 446 | + | fi | |
| 447 | + | ## Get commit tag (if any). | |
| 448 | + | [[ -n "$(git tag --points-at HEAD)" ]] &&\ | |
| 449 | + | local tag=" $(git tag --points-at HEAD)" || local tag="" | |
| 450 | + | ## Get stash count (if any). | |
| 451 | + | local git_stash="" | |
| 452 | + | local stashed_elements=$(git stash list 2> /dev/null | wc -l) | |
| 453 | + | if [ "$stashed_elements" -gt 0 ]; then | |
| 454 | + | git_stash=" ${stashed_elements}${SSP_GIT_STASH}" | |
| 455 | + | fi | |
| 456 | + | ## Return assembled prompt segmet with git info. | |
| 457 | + | echo "${branch}$symbol${git_stash}${tag}" | |
| 458 | + | } | |
| 459 | + | ##------------------------------------------------------------------------------ | |
| 460 | + | ## | |
| 461 | + | ## | |
| 462 | + | getTerraform() | |
| 463 | + | { | |
| 464 | + | ## Check if terraform is installed, otherwise skip this function. | |
| 465 | + | if ! ( which terraform > /dev/null 2>&1 ); then | |
| 466 | + | echo "" | |
| 467 | + | return | |
| 468 | + | fi | |
| 469 | + | ## Check if we are in a terraform directory, otherwise skip. | |
| 470 | + | if [ ! -d .terraform ]; then | |
| 471 | + | echo "" | |
| 472 | + | return | |
| 473 | + | fi | |
| 474 | + | ## Get the terraform workspace | |
| 475 | + | local tf="$(terraform workspace show 2> /dev/null | tr -d '\n')" | |
| 476 | + | echo "$tf" | |
| 477 | + | } | |
| 478 | + | ##------------------------------------------------------------------------------ | |
| 479 | + | ## | |
| 480 | + | ## | |
| 481 | + | getPyenv() | |
| 482 | + | { | |
| 483 | + | ## Conda environment | |
| 484 | + | if [ -n "$CONDA_DEFAULT_ENV" ]; then | |
| 485 | + | echo "$CONDA_DEFAULT_ENV" | |
| 486 | + | ## Python virtual environment | |
| 487 | + | elif [ -n "${VIRTUAL_ENV:-}" ]; then | |
| 488 | + | local regex='PS1=\"\((.*?)\)\s\$\{PS1' | |
| 489 | + | local pyenv=$(cat $VIRTUAL_ENV/bin/activate |\ | |
| 490 | + | perl -n -e"/$regex/ && print \$1" 2> /dev/null) | |
| 491 | + | if [ -z "${pyenv}" ]; then | |
| 492 | + | local pyenv=$(basename ${VIRTUAL_ENV}) | |
| 493 | + | fi | |
| 494 | + | echo "$pyenv" | |
| 495 | + | fi | |
| 496 | + | } | |
| 497 | + | ##------------------------------------------------------------------------------ | |
| 498 | + | ## | |
| 499 | + | ## | |
| 500 | + | getKube() | |
| 501 | + | { | |
| 502 | + | type kubectl &>/dev/null && \ | |
| 503 | + | type yq &>/dev/null && \ | |
| 504 | + | echo -n "$(kubectl config view | yq '.contexts[].context.cluster |select(.contexts[].name == .current-context)' | head -n 1)" | |
| 505 | + | } | |
| 506 | + | ##------------------------------------------------------------------------------ | |
| 507 | + | ## | |
| 508 | + | ## Print each word of the propmpt, i.e., a small text acompanied by the | |
| 509 | + | ## separator character and formated with colors and background. | |
| 510 | + | ## | |
| 511 | + | printSegment() | |
| 512 | + | { | |
| 513 | + | ## GET PARAMETERS | |
| 514 | + | local text=$1 | |
| 515 | + | local font_color=$2 | |
| 516 | + | local background_color=$3 | |
| 517 | + | local next_background_color=$4 # needed for the separator, it participates in this and the next text segment | |
| 518 | + | local font_effect=$5 | |
| 519 | + | ## COMPUTE COLOR FORMAT CODES | |
| 520 | + | local no_color="\[$(getFormatCode -e reset)\]" | |
| 521 | + | local text_format="\[$(getFormatCode -c $font_color -b $background_color -e $font_effect)\]" | |
| 522 | + | local separator_format="\[$(getFormatCode -c $background_color -b $next_background_color)\]" | |
| 523 | + | ## GENERATE TEXT | |
| 524 | + | printf "${text_format}${segment_padding}${text}${segment_padding}${separator_padding_left}${separator_format}${separator_char}${separator_padding_right}${no_color}" | |
| 525 | + | } | |
| 526 | + | ##------------------------------------------------------------------------------ | |
| 527 | + | ## | |
| 528 | + | ## | |
| 529 | + | get_colors_for_element() | |
| 530 | + | { | |
| 531 | + | case $1 in | |
| 532 | + | "USER") echo "${SSP_COLORS_USER[@]}" ;; | |
| 533 | + | "HOST") echo "${SSP_COLORS_HOST[@]}" ;; | |
| 534 | + | "PWD") echo "${SSP_COLORS_PWD[@]}" ;; | |
| 535 | + | "GIT") echo "${SSP_COLORS_GIT[@]}" ;; | |
| 536 | + | "PYENV") echo "${SSP_COLORS_PYENV[@]}";; | |
| 537 | + | "KUBE") echo "${SSP_COLORS_KUBE[@]}";; | |
| 538 | + | "TF") echo "${SSP_COLORS_TF[@]}" ;; | |
| 539 | + | "CLOCK") echo "${SSP_COLORS_CLOCK[@]}";; | |
| 540 | + | "DATE") echo "${SSP_COLORS_DATE[@]}";; | |
| 541 | + | "INPUT") echo "${SSP_COLORS_INPUT[@]}";; | |
| 542 | + | *) | |
| 543 | + | esac | |
| 544 | + | } | |
| 545 | + | ##------------------------------------------------------------------------------ | |
| 546 | + | ## | |
| 547 | + | ## | |
| 548 | + | combine_elements() | |
| 549 | + | { | |
| 550 | + | local first=$1 | |
| 551 | + | local second=$2 | |
| 552 | + | local colors_first=($(get_colors_for_element $first)) | |
| 553 | + | local colors_second=($(get_colors_for_element $second)) | |
| 554 | + | case $first in | |
| 555 | + | "USER") local text="$user" ;; | |
| 556 | + | "HOST") local text="$host" ;; | |
| 557 | + | "PWD") local text="$path" ;; | |
| 558 | + | "GIT") local text="$git_branch" ;; | |
| 559 | + | "PYENV") local text="$pyenv" ;; | |
| 560 | + | "KUBE") local text="$kube" ;; | |
| 561 | + | "TF") local text="$tf" ;; | |
| 562 | + | "CLOCK") local text="$clock" ;; | |
| 563 | + | "DATE") local text="$date" ;; | |
| 564 | + | "INPUT") local text="" ;; | |
| 565 | + | *) local text="" ;; | |
| 566 | + | esac | |
| 567 | + | local text_color=${colors_first[0]} | |
| 568 | + | local bg_color=${colors_first[1]} | |
| 569 | + | local next_bg_color=${colors_second[1]} | |
| 570 | + | local text_effect=${colors_first[2]} | |
| 571 | + | printSegment "$text" "$text_color" "$bg_color" "$next_bg_color" "$text_effect" | |
| 572 | + | } | |
| 573 | + | ##============================================================================== | |
| 574 | + | ## HOOK | |
| 575 | + | ##============================================================================== | |
| 576 | + | prompt_command_hook() | |
| 577 | + | { | |
| 578 | + | ## GET PARAMETERS | |
| 579 | + | ## This might be a bit redundant, but it makes it easier to maintain | |
| 580 | + | local elements=(${SSP_ELEMENTS[@]}) | |
| 581 | + | local user=$USER | |
| 582 | + | local host=$HOSTNAME | |
| 583 | + | local path=$PWD | |
| 584 | + | local git_branch="$(getGitBranch)" | |
| 585 | + | local pyenv="$(getPyenv)" | |
| 586 | + | local kube="$(getKube)" | |
| 587 | + | local tf="$(getTerraform)" | |
| 588 | + | local clock="$(date +"${SSP_CLOCK_FORMAT}")" | |
| 589 | + | local date="$(date +"${SSP_DATE_FORMAT}")" | |
| 590 | + | ## ADAPT DYNAMICALLY ELEMENTS TO BE SHOWN | |
| 591 | + | ## Check if elements such as GIT and the Python environment should be | |
| 592 | + | ## shown and adapt the variables as needed. This usually implies removing | |
| 593 | + | ## the appropriate field from the "elements" array if the user set them | |
| 594 | + | if [ -z "$git_branch" ]; then | |
| 595 | + | elements=( ${elements[@]/"GIT"} ) # Remove GIT from elements to be shown | |
| 596 | + | fi | |
| 597 | + | if [ -z "$pyenv" ]; then | |
| 598 | + | elements=( ${elements[@]/"PYENV"} ) # Remove PYENV from elements to be shown | |
| 599 | + | fi | |
| 600 | + | if [ -z "$tf" ]; then | |
| 601 | + | elements=( ${elements[@]/"TF"} ) # Remove TF from elements to be shown | |
| 602 | + | fi | |
| 603 | + | if [ -z "$kube" ]; then | |
| 604 | + | elements=( ${elements[@]/"KUBE"} ) # Remove KUBE from elements to be shown | |
| 605 | + | fi | |
| 606 | + | ## WINDOW TITLE | |
| 607 | + | ## Prevent messed up terminal-window titles, must be set in the PS1 variable | |
| 608 | + | case $TERM in | |
| 609 | + | xterm*|rxvt*) | |
| 610 | + | SSP_PWD="$path" | |
| 611 | + | local titlebar="\[\033]0;\${USER}@\${HOSTNAME}: \${SSP_PWD}\007\]" | |
| 612 | + | ;; | |
| 613 | + | *) | |
| 614 | + | local titlebar="" | |
| 615 | + | ;; | |
| 616 | + | esac | |
| 617 | + | ## CONSTRUCT PROMPT ITERATIVELY | |
| 618 | + | ## Iterate through all elements to be shown and combine them. Stop once only | |
| 619 | + | ## 1 element is left, which should be the "INPUT" element; then apply the | |
| 620 | + | ## INPUT formatting. | |
| 621 | + | ## Notice that this reuses the PS1 variables over and over again, and appends | |
| 622 | + | ## all extra formatting elements to the end of it. | |
| 623 | + | PS1="${titlebar}${SSP_VERTICAL_PADDING}${SSP_NEW_LINE_LINK_TOP}" | |
| 624 | + | while [ "${#elements[@]}" -gt 1 ]; do | |
| 625 | + | local current=${elements[0]} | |
| 626 | + | local next=${elements[1]} | |
| 627 | + | local elements=("${elements[@]:1}") #remove the 1st element | |
| 628 | + | PS1="$PS1$(combine_elements $current $next)" | |
| 629 | + | done | |
| 630 | + | local input_colors=($(get_colors_for_element ${elements[0]})) | |
| 631 | + | local input_color=${input_colors[0]} | |
| 632 | + | local input_bg=${input_colors[1]} | |
| 633 | + | local input_effect=${input_colors[2]} | |
| 634 | + | local input_format="\[$(getFormatCode -c $input_color -b $input_bg -e $input_effect)\]" | |
| 635 | + | local command_start_symbol="${input_format}${SSP_BASH_SYMBOL}" | |
| 636 | + | ## the prompt is then the prompt we build above, the separation between prompt and command and in | |
| 637 | + | ## the case of a new line inbetween, the corresponding link and $ symbol to start the command. | |
| 638 | + | PS1="${PS1}${SSP_PROMPT_COMM_SEP}${SSP_NEW_LINE_LINK_BOTTOM}${command_start_symbol} $input_format" | |
| 639 | + | ## Once this point is reached, PS1 is formatted and set. The terminal session | |
| 640 | + | ## will then use that variable to prompt the user :) | |
| 641 | + | } | |
| 642 | + | ##============================================================================== | |
| 643 | + | ## MAIN | |
| 644 | + | ##============================================================================== | |
| 645 | + | ## PADDING | |
| 646 | + | if $enable_vertical_padding; then | |
| 647 | + | local vertical_padding="\n" | |
| 648 | + | else | |
| 649 | + | local vertical_padding="" | |
| 650 | + | fi | |
| 651 | + | ## NEW LINE | |
| 652 | + | if $enable_command_on_new_line; then | |
| 653 | + | local new_line_link_top="╭" | |
| 654 | + | local new_line_link_bottom="╰>" | |
| 655 | + | local prompt_command_separation="\n" | |
| 656 | + | local bash_symbol="\$" | |
| 657 | + | else | |
| 658 | + | local new_line_link_top="" | |
| 659 | + | local new_line_link_top="" | |
| 660 | + | local prompt_command_separation="" | |
| 661 | + | local bash_symbol="" | |
| 662 | + | fi | |
| 663 | + | ## CONFIG FOR "prompt_command_hook()" | |
| 664 | + | SSP_ELEMENTS=($format "INPUT") # Append INPUT to elements that have to be shown | |
| 665 | + | SSP_COLORS_USER=($font_color_user $background_user $texteffect_user) | |
| 666 | + | SSP_COLORS_HOST=($font_color_host $background_host $texteffect_host) | |
| 667 | + | SSP_COLORS_PWD=($font_color_pwd $background_pwd $texteffect_pwd) | |
| 668 | + | SSP_COLORS_GIT=($font_color_git $background_git $texteffect_git) | |
| 669 | + | SSP_COLORS_PYENV=($font_color_pyenv $background_pyenv $texteffect_pyenv) | |
| 670 | + | SSP_COLORS_KUBE=($font_color_kube $background_kube $texteffect_kube) | |
| 671 | + | SSP_COLORS_TF=($font_color_tf $background_tf $texteffect_tf) | |
| 672 | + | SSP_COLORS_CLOCK=($font_color_clock $background_clock $texteffect_clock) | |
| 673 | + | SSP_COLORS_DATE=($font_color_date $background_date $texteffect_date) | |
| 674 | + | SSP_COLORS_INPUT=($font_color_input $background_input $texteffect_input) | |
| 675 | + | SSP_VERTICAL_PADDING=$vertical_padding | |
| 676 | + | SSP_NEW_LINE_LINK_TOP=$new_line_link_top | |
| 677 | + | SSP_NEW_LINE_LINK_BOTTOM=$new_line_link_bottom | |
| 678 | + | SSP_PROMPT_COMM_SEP=$prompt_command_separation | |
| 679 | + | SSP_BASH_SYMBOL=$bash_symbol | |
| 680 | + | SSP_MAX_PWD_CHAR=${max_pwd_char:-25} | |
| 681 | + | SSP_GIT_SYNCED=$git_symbol_synced | |
| 682 | + | SSP_GIT_AHEAD=$git_symbol_unpushed | |
| 683 | + | SSP_GIT_BEHIND=$git_symbol_unpulled | |
| 684 | + | SSP_GIT_DIVERGED=$git_symbol_unpushedunpulled | |
| 685 | + | SSP_GIT_DIRTY=$git_symbol_dirty | |
| 686 | + | SSP_GIT_DIRTY_AHEAD=$git_symbol_dirty_unpushed | |
| 687 | + | SSP_GIT_DIRTY_BEHIND=$git_symbol_dirty_unpulled | |
| 688 | + | SSP_GIT_DIRTY_DIVERGED=$git_symbol_dirty_unpushedunpulled | |
| 689 | + | SSP_GIT_STASH=$git_symbol_stash | |
| 690 | + | SSP_GIT_UPDATE_PERIOD_MINUTES=$git_update_period_minutes | |
| 691 | + | SSP_CLOCK_FORMAT=${clock_format:-"%H:%M:%S"} | |
| 692 | + | SSP_DATE_FORMAT=${date_format:-"%A, %d %B %Y"} | |
| 693 | + | ## For terminal line coloring, leaving the rest standard | |
| 694 | + | none="$(tput sgr0)" | |
| 695 | + | trap 'echo -ne "${none}"' DEBUG | |
| 696 | + | ## ADD HOOK TO UPDATE PS1 AFTER EACH COMMAND | |
| 697 | + | ## Bash provides an environment variable called PROMPT_COMMAND. | |
| 698 | + | ## The contents of this variable are executed as a regular Bash command | |
| 699 | + | ## just before Bash displays a prompt. | |
| 700 | + | ## We want it to call our own command to truncate PWD and store it in NEW_PWD | |
| 701 | + | PROMPT_COMMAND=prompt_command_hook | |
| 702 | + | } # synth_shell_prompt() | |
| 703 | + | ##------------------------------------------------------------------------------ | |
| 704 | + | ## | |
| 705 | + | ## CALL SCRIPT FUNCTION | |
| 706 | + | ## - CHECK IF SCRIPT IS _NOT_ BEING SOURCED | |
| 707 | + | ## - CHECK IF COLOR SUPPORTED | |
| 708 | + | ## - Check if compliant with Ecma-48 (ISO/IEC-6429) | |
| 709 | + | ## - Call script | |
| 710 | + | ## - Unset script | |
| 711 | + | ## If not running interactively, don't do anything | |
| 712 | + | if [ "${BASH_SOURCE[0]}" == "${0}" ]; then | |
| 713 | + | echo -e "Do not run this script, it will do nothing.\nPlease source it instead by running:\n" | |
| 714 | + | echo -e "\t. ${BASH_SOURCE[0]}\n" | |
| 715 | + | exit | |
| 716 | + | elif [ -n "$( echo $- | grep i )" ]; then | |
| 717 | + | if command -v tput >/dev/null 2>&1 && tput setaf 1 >&/dev/null; then | |
| 718 | + | synth_shell_prompt | |
| 719 | + | fi | |
| 720 | + | unset synth_shell_prompt | |
| 721 | + | unset include | |
| 722 | + | fi | |