feat(plugin): propose dockolor

plugins/dockolor/dockolor.plugin.sh

@@ -0,0 +1,73 @@
+dockolor_has_awk() {
+  if command -v awk >/dev/null 2>&1; then
+    echo true
+  else
+    echo false
+  fi
+}
+
+dockolor_colorize() {
+docker ps "$@" --no-trunc | awk '
+  BEGIN {
+    RED = "\033[0;31m"
+    GREEN = "\033[0;32m"
+    YELLOW = "\033[1;33m"
+    RESET = "\033[0m"
+  }
+
+  # skip the first line because it containt header
+  # reminder, NR > built-in var in awk
+  NR == 1 {
+    print $0
+    next
+  }
+
+  # set the color in fc of the status
+  {
+    line = $0
+    lower = tolower(line)
+    if (lower ~ /up/ || lower ~ /running/) {
+      color = GREEN
+    } else if (lower ~ /paused/) {
+      color = YELLOW
+    } else if (lower ~ /exited/ || lower ~ /dead/) {
+      color = RED
+    } else {
+      color = RESET
+    }
+    printf "%s%s%s\n", color, line, RESET
+  }'
+}
+
+dockolor_dps() {
+  if [ "$(dockolor_has_awk)" = false ]; then
+    echo "You have installed dockolor but you don't have awk installed"
+    docker ps "$@" --no-trunc
+  else
+    dockolor_colorize "$@"
+  fi
+}
+
+# main function
+dockolor() {
+  dockolor_dps "$@"
+}
+
+# if the user have the docker plugin loaded
+# we remove the alias
+# and replace it with the colored version of it
+if alias dps >/dev/null 2>&1; then
+  unalias dps
+fi
+
+if alias dpsa >/dev/null 2>&1; then
+  unalias dpsa
+fi
+
+dps() {
+  dockolor_dps "$@"
+}
+
+dpsa() {
+  dockolor_dps -a "$@"
+}