[bashrc] Color only if supported by term

[config-20-100.git] / .bashrc

diff --git a/.bashrc b/.bashrc
index a29feec29fb3bc8777d5c63854ea0a4c2ad4699c..becaeb53c24a2d3290e770fb64ea016d6e9b48e8 100644 (file)
--- a/.bashrc
+++ b/.bashrc
@@ -1,6 +1,6 @@
 # .bashrc générique mis à votre disposition
 # par les gentils membres actifs du Cr@ns
-# Vous pouvez l'utilisez, le redistribuer, le modifier à votre convenance.
+# Vous pouvez l'utiliser, le redistribuer, le modifier à votre convenance.
 # Des questions, des suggestions : {nounou,ca}@lists.crans.org
 # Licence : WTFPL
 
@@ -47,26 +47,36 @@ fi
 #~# get_vcs_info () {
 #~#     # Donne les infos sur le dépôt VCS courant.
 #~#     # priorité à git, puis darcs
-#~#     local BRANCH TYPE violet orange vert
+#~#     local LBRANCH LTYPE BRANCH TYPE violet orange vert
 #~#     violet="\[\e[35m\]"
 #~#     orange="\[\e[33m\]"
 #~#     vert="\[\e[32m\]"
 #~#     nocolor="\[\e[0m\]"
-#~#     BRANCH=$(git branch 2>/dev/null | sed -r "s/^[^*].*$//" | paste -s -d '' | sed -r "s/^[*] //")
-#~#     if [ -n "$BRANCH" ];
-#~#     then
-#~#         TYPE="git"
-#~#     else
-#~#         BRANCH=$(darcs show repo 2>/dev/null| egrep '^ *Cache' | sed 's@.*/\([^/]*\),.*@\1@')
-#~#         if [ -n "$BRANCH" ];
-#~#         then
-#~#             TYPE="darcs"
+#~#     declare -a TYPE
+#~#     declare -a BRANCH
+#~#     TYPE[0]="git"
+#~#     TYPE[1]="mercurial"
+#~#     TYPE[2]="darcs"
+#~#     TYPE[3]="svn"
+#~#     BRANCH[0]='git branch 2>/dev/null | sed -r "s/^[^*].*$//" | paste -s -d "" | sed -r "s/^[*] //"'
+#~#     BRANCH[1]='hg branch 2>/dev/null'
+#~#     BRANCH[2]="darcs show repo 2>/dev/null| egrep '^ *Cache' | sed 's@.*/\([^/]*\),.*@\1@'"
+#~#     BRANCH[3]="svn info 2>/dev/null | head -n 6 | tail -n 1"
+#~#     for i in $(seq 0 $((${#BRANCH[*]}-1))); do
+#~#         LBRANCH=$(eval "${BRANCH[$i]}")
+#~#         if [ -n "$LBRANCH" ]; then
+#~#            LTYPE="${TYPE[$i]}"
+#~#            break
 #~#         fi
-#~#     fi
-#~#     if [ -n "$TYPE" ];
+#~#     done
+#~#     if [ -n "$LTYPE" ];
 #~#     then
-#~#         VCS_info="${nocolor}${violet}(${nocolor}$TYPE${violet})-${violet}[${vert}$BRANCH${violet}]${nocolor}"
-#~#         VCS_size=$((${#TYPE}+${#BRANCH}+5))
+#~#         if [ "$color_prompt" = yes ]; then
+#~#             VCS_info="${nocolor}${violet}(${nocolor}$LTYPE${violet})-${violet}[${vert}$LBRANCH${violet}]${nocolor}"
+#~#         else
+#~#             VCS_info="($LTYPE)-[$LBRANCH]"
+#~#         fi
+#~#         VCS_size=$((${#LTYPE}+${#LBRANCH}+5))
 #~#     else
 #~#         VCS_info=""
 #~#         VCS_size=0
@@ -135,13 +145,29 @@ function prompt_command
            DIR=$pwd
         POST_DIR='${MINUS_LINE:'${#pwd}+${VCS_size}+1'+${#?}}'
     fi
-    DIR="< ${jaune}"$DIR"${cyan} >"
-    ERR='[ \[\e[1;$((31+($?==0)*6))m\]$?'${cyan}' ]'$MINUS_CHAR
-    DATE="( ${violet}\D{%H:%M:%S}${cyan} )"
-    PROMPT="${rouge}\u${vert}@${bleu}\h ${vert}\$ ${nocolor}"
-    PS1=$TITLE${cyan}$MINUS_CHAR$DATE$MINUS_CHAR$DIR$MINUS_CHAR$VCS_info${cyan}$POST_DIR$ERR'\n'$PROMPT
+    if [ "$color_prompt" = yes ]; then
+        DIR="< ${jaune}"$DIR"${cyan} >"
+        ERR='[ \[\e[1;$((31+($?==0)*6))m\]$?'${cyan}' ]'$MINUS_CHAR
+        DATE="( ${violet}\D{%H:%M:%S}${cyan} )"
+        PROMPT="${rouge}\u${vert}@${bleu}\h ${vert}\$ ${nocolor}"
+        PS1=$TITLE${cyan}$MINUS_CHAR$DATE$MINUS_CHAR$DIR$MINUS_CHAR$VCS_info${cyan}$POST_DIR$ERR'\n'$PROMPT
+    else
+        DIR="< "$DIR" >"
+        ERR='[ $? ]'$MINUS_CHAR
+        DATE="( \D{%H:%M:%S} )"
+        PROMPT="\u@\h \$ "
+        PS1=$TITLE$MINUS_CHAR$DATE$MINUS_CHAR$DIR$MINUS_CHAR$VCS_info$POST_DIR$ERR'\n'$PROMPT
+    fi
 }
 
+if [ -x /usr/bin/tput ] && tput setaf 1 >&/dev/null; then
+    # support de la couleur
+    color_prompt=yes
+else
+    # pas de support de la couleur
+    color_prompt=no
+fi
+
 # On change le titre de la fenêtre dynamiquement si on est sous X
 if [[ $TERM = "xterm" ]]; then
     TITLE='\[\e];\u@\h:\w\a\]'
@@ -162,9 +188,15 @@ if [[ $(uname) == Linux && ( $(locale charmap) == UTF-8 && $TERM != screen ) ]];
     date=$(/bin/date +"%R, %A %d %B %Y")
     redate=${date//é/e}
     redate=${redate//û/u}
-    echo -e "\e[1;36m┬─${redate//?/─}──┬${MINUS_LINE:${#date}-18}\n\
+    if [ "$color_prompt" = yes ]; then
+        echo -e "\e[1;36m┬─${redate//?/─}──┬${MINUS_LINE:${#date}-18}\n\
 │ \e[1;37m$date\e[1;31m \e[1;36m │\n\
 └─${redate//?/─}──┘\e[0m\n"
+    else
+        echo -e "┬─${redate//?/─}──┬${MINUS_LINE:${#date}-18}\n\
+│ $date  │\n\
+└─${redate//?/─}──┘\n"
+    fi
     unset date
 else
     MINUS_CHAR=-