Add recursive option (-r)

[code/vcsh.git] / vcsh

diff --git a/vcsh b/vcsh
index 124908900ea60d85435e8cd4675f91ae11e01251..e4f6f33dc2779ff1bd08c5f20c79dd04ec26845f 100755 (executable)
--- a/vcsh
+++ b/vcsh
@@ -30,7 +30,7 @@ fatal() {
 # We need to run getops as soon as possible so we catch -d and other
 # options that will modify our behaviour.
 # Commands are handled at the end of this script.
-while getopts "c:dv" flag; do
+while getopts "c:dvr" flag; do
        if [ x"$1" = x'-d' ] || [ x"$1" = x'--debug' ]; then
                set -vx
                VCSH_DEBUG=1
@@ -40,6 +40,8 @@ while getopts "c:dv" flag; do
                VCSH_VERBOSE=1
                echo "verbose mode on"
                echo "$SELF $VERSION"
+       elif [ x"$1" = x'-r' ]; then
+               VCSH_OPTION_RECURSIVE=1
        elif [ x"$1" = x'-c' ]; then
                VCSH_OPTION_CONFIG=$OPTARG
        fi
@@ -284,14 +286,48 @@ retire() {
        unset VCSH_DIRECTORY
 }
 
+command_exists() {
+       command -v "$1" >/dev/null 2>&1 || fatal "Could not find '$1' command"
+}
+
 list_untracked() {
+       command_exists comm
+
+       temp_file_others=$(mktemp) || fatal 'Could not create temp file'
+       temp_file_untracked=$(mktemp) || fatal 'Could not create temp file'
+       temp_file_untracked_copy=$(mktemp) || fatal 'Could not create temp file'
+       
+       # create dummy git repo
+       temp_repo=$(mktemp -d) || fatal 'Could not create temp repo'
+
+       cd $temp_repo || fatal 'Could not cd into temp repo'
+       git init -q
+       mktemp -q -p $(pwd) > /dev/null || fatal 'Could not create dummy file'
+       git add .
+       git commit -q -m "dummy"
+       cd - > /dev/null 2>&1 || fatal 'Could not cd back'
+
+       [ -z "$VCSH_OPTION_RECURSIVE" ] && directory_opt="--directory"
+
+       export GIT_DIR=$temp_repo/.git
+       git ls-files --others "$directory_opt" | sort -u > $temp_file_untracked
+
        for VCSH_REPO_NAME in $(list); do
-               [ -n $ran_once ] && files_untracked=$(printf '%s\n' "$files_untracked" | grep -x "$files_other")
                export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git"
-               files_other="$(git ls-files --others)"
-               [ -z $ran_once ] && { ran_once=1; files_untracked=$files_other; }
+               git ls-files --others "$directory_opt" | (
+                       while read line; do
+                               echo "$line"
+                               printf '%s/\n' "$(echo "$line" | cut -d'/' -f1)"
+                       done
+                       ) | sort -u > $temp_file_others
+               cp $temp_file_untracked $temp_file_untracked_copy || fatal 'Could not copy temp file'
+               comm -12 --nocheck-order $temp_file_others $temp_file_untracked_copy > $temp_file_untracked
        done
-       echo "$files_untracked" | sort -u
+       cat $temp_file_untracked
+       
+       unset directory_opt
+       rm -f $temp_file_others $temp_file_untracked $temp_file_untracked_copy || fatal 'Could not delete temp files'
+       rm -rf $temp_repo || fatal 'Could not delete temp repo'
 }
 
 rename() {