vcsh: Allow `vcsh list-untracked <repo>`

[code/vcsh.git] / vcsh

diff --git a/vcsh b/vcsh
index e4143de156316be008b9361d56219ed9d19315bc..044bdf08a038ce103b4912169277078124e81fac 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:dvr" flag; do
+while getopts "c:dv" flag; do
        if [ x"$1" = x'-d' ] || [ x"$1" = x'--debug' ]; then
                set -vx
                VCSH_DEBUG=1
@@ -40,8 +40,6 @@ while getopts "c:dvr" flag; do
                VCSH_VERBOSE=1
                echo "verbose mode on"
                echo "$SELF $VERSION"
-       elif [ x"$1" = x'-r' ]; then
-               VCSH_OPTION_RECURSIVE=1
        elif [ x"$1" = x'-c' ]; then
                VCSH_OPTION_CONFIG=$OPTARG
        fi
@@ -111,6 +109,8 @@ help() {
    list-tracked         List all files tracked by vcsh
    list-tracked-by \\
         <repo>          List files tracked by a repository
+   list-untracked \\
+        [<-r>] [<repo>] List all files not tracked by all or one repositories
    pull                 Pull from all vcsh remotes
    push                 Push to vcsh remotes
    rename <repo> \\
@@ -286,41 +286,55 @@ retire() {
        unset VCSH_DIRECTORY
 }
 
-command_exists() {
-       command -v "$1" >/dev/null 2>&1 || fatal "Could not find '$1' command"
-}
-
 list_untracked() {
-       command_exists comm
+       command -v 'comm' >/dev/null 2>&1 || fatal "Could not find '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=$(mktemp) || fatal 'Could not create temp file'
+       temp_file_others=$(mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX") || fatal 'Could not create temp file'
+       temp_file_untracked=$(mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX") || fatal 'Could not create temp file'
+       temp_file_untracked_copy=$(mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX") || fatal 'Could not create temp file'
 
-       [ -z "$VCSH_OPTION_RECURSIVE" ] && directory_opt="--directory"
-
-       for VCSH_REPO_NAME in $(list); do
-               export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git"
-               git ls-files --others "$directory_opt" | (
-                       while read line; do
-                               echo "$line"
-                               directory_component="$(echo "$line" | cut -d'/' -f1)"
-                               [ -d "$directory_component" ] && printf '%s/\n' "$directory_component"
-                       done
-                       ) | sort -u > $temp_file_others
-               if [ -z "$ran_once" ]; then
-                       ran_once=1
-                       cp $temp_file_others $temp_file_untracked || fatal 'Could not copy temp file'
+       # Hack in support for `vcsh list-untracked -r`...
+       directory_opt="--directory"
+       shift 1
+       while getopts "r" flag; do
+               if [ x"$1" = x'-r' ]; then
+                       unset directory_opt
                fi
-               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
+               shift 1
        done
+       # ...and parse for a potential parameter afterwards. As we shifted things out of $* in during getops, we need to look at $1
+       VCSH_REPO_NAME=$1; export VCSH_REPO_NAME
+
+       if [ -n "$VCSH_REPO_NAME" ]; then
+               list_untracked_helper $VCSH_REPO_NAME
+       else
+               for VCSH_REPO_NAME in $(list); do
+                       list_untracked_helper $VCSH_REPO_NAME
+               done
+       fi
        cat $temp_file_untracked
 
        unset directory_opt directory_component
        rm -f $temp_file_others $temp_file_untracked $temp_file_untracked_copy || fatal 'Could not delete temp files'
 }
 
+list_untracked_helper() {
+       export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git"
+       git ls-files --others "$directory_opt" | (
+               while read line; do
+                       echo "$line"
+                       directory_component=${line%%/*}
+                       [ -d "$directory_component" ] && printf '%s/\n' "$directory_component"
+               done
+               ) | sort -u > $temp_file_others
+       if [ -z "$ran_once" ]; then
+               ran_once=1
+               cp $temp_file_others $temp_file_untracked || fatal 'Could not copy temp file'
+       fi
+       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 > $temp_file_untracked
+}
+
 rename() {
        git_dir_exists
        [ -d "$GIT_DIR_NEW" ] && fatal "'$GIT_DIR_NEW' exists" 54