env: only use color diffs on terminals
[openwrt/openwrt.git] / scripts / env
index 1aee4b323b82b7565ef867aba36cb57152aa4b71..84166ae5fe45ddeefb82f060fb8d3d1b898e81c9 100755 (executable)
@@ -1,6 +1,7 @@
 #!/usr/bin/env bash
 BASEDIR="$PWD"
 ENVDIR="$PWD/env"
+export GREP_OPTIONS=
 
 usage() {
        cat <<EOF
@@ -14,7 +15,8 @@ Commands:
        delete <name>     Delete an environment
        rename <newname>  Rename the current environment
        diff              Show differences between current state and environment
-       save              Save your changes to the environment
+       save [message]    Save your changes to the environment, optionally using
+                         the given commit message
        revert            Revert your changes since last save
 
 Options:
@@ -96,18 +98,19 @@ env_do_reset() {
 
 env_list() {
        env_init
-       git branch | grep -vE '^. master$'
+       git branch --color | grep -vE '^. master$'
 }
 
 env_diff() {
        env_init
        env_sync_data
-       git diff --cached
+       git diff --cached --color=auto
+       env_link_config
 }
 
 env_save() {
        env_init
-       env_sync
+       env_sync "$@"
        env_link_config
 }
 
@@ -118,12 +121,12 @@ env_revert() {
 }
 
 env_ask_sync() {
+       env_sync_data
        LINES="$(env_diff | wc -l)" # implies env_init
        [ "$LINES" -gt 0 ] && {
                if ask_bool 1 "Do you want to save your changes"; then
                        env_sync
                else
-                       env_sync_data
                        env_do_reset
                fi
        }
@@ -137,7 +140,9 @@ env_clear() {
        env_sync_data
        if ask_bool 1 "Do you want to keep your current config and files"; then
                mkdir -p "$BASEDIR/files"
-               cp -a "$ENVDIR/files/*" "$BASEDIR/files" 2>/dev/null >/dev/null
+               shopt -s dotglob
+               cp -a "$ENVDIR/files/"* "$BASEDIR/files" 2>/dev/null >/dev/null
+               shopt -u dotglob
                cp "$ENVDIR/.config" "$BASEDIR/"
        else
                rm -rf "$BASEDIR/files" "$BASEDIR/.config"
@@ -150,7 +155,6 @@ env_delete() {
        local name="${1##*/}"
        env_init
        [ -z "$name" ] && usage
-       [ -f "$ENVDIR/.git/refs/heads/$name" ] || error "environment '$name' not found"
        branch="$(git branch | grep '^\* ' | awk '{print $2}')"
        [ "$name" = "$branch" ] && error "cannot delete the currently selected environment"
        git branch -D "$name"
@@ -159,11 +163,10 @@ env_delete() {
 env_switch() {
        local name="${1##*/}"
        [ -z "$name" ] && usage
-       [ -f "$ENVDIR/.git/refs/heads/$name" ] || error "environment '$name' not found"
 
        env_init
        env_ask_sync
-       git checkout "$name"
+       git checkout "$name" || error "environment '$name' not found"
        env_link_config
 }
 
@@ -191,9 +194,12 @@ env_new() {
        fi
        git checkout -b "$1" "$from"
        if [ -f "$BASEDIR/.config" -o -d "$BASEDIR/files" ]; then
-               if ask_bool 1 "Do you want to keep your current config and files?"; then
+               if ask_bool 1 "Do you want to start your configuration repository with the current configuration?"; then
                        [ -d "$BASEDIR/files" -a \! -L "$BASEDIR/files" ] && {
-                               mv "$BASEDIR/files/"* "$ENVDIR/" 2>/dev/null
+                               mkdir -p "$ENVDIR/files"
+                               shopt -s dotglob
+                               mv "$BASEDIR/files/"* "$ENVDIR/files/" 2>/dev/null
+                               shopt -u dotglob
                                rmdir "$BASEDIR/files"
                        }
                        env_sync