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Do not use shared Git repositories
[code/vcsh.git] / vcsh
diff --git a/vcsh b/vcsh
index 4da3547da71727fd0085e2f2004c437c44003a34..57a465cd1166e3e7afe89f7cddad38867baed61c 100755 (executable)
--- a/vcsh
+++ b/vcsh
@@ -22,6 +22,9 @@
 VERSION='1.20141026'
 SELF=$(basename $0)
 
 VERSION='1.20141026'
 SELF=$(basename $0)
 
+# Ensure all files created are accessible only to the current user.
+umask 0077
+
 fatal() {
        echo "$SELF: fatal: $1" >&2
        [ -z $2 ] && exit 1
 fatal() {
        echo "$SELF: fatal: $1" >&2
        [ -z $2 ] && exit 1
@@ -106,6 +109,8 @@ help() {
    commit               Commit in all repositories
    delete <repo>        Delete an existing repository
    enter <repo>         Enter repository; spawn new instance of \$SHELL
    commit               Commit in all repositories
    delete <repo>        Delete an existing repository
    enter <repo>         Enter repository; spawn new instance of \$SHELL
+   foreach [<-g>]
+     <git command>      Execute a command for every repository
    help                 Display this help text
    init <repo>          Initialize a new repository
    list                 List all repositories
    help                 Display this help text
    init <repo>          Initialize a new repository
    list                 List all repositories
@@ -160,7 +165,12 @@ clone() {
   You should add files to your new repository."
                exit
        fi
   You should add files to your new repository."
                exit
        fi
-       git fetch origin "$VCSH_BRANCH"
+       GIT_VERSION_MAJOR=$(git --version | sed -n 's/.* \([0-9]\)\..*/\1/p' )
+       if [ 1 -lt "$GIT_VERSION_MAJOR" ];then
+               git fetch origin "$VCSH_BRANCH"
+       else
+               git fetch origin
+       fi
        hook pre-merge
        git ls-tree -r --name-only origin/"$VCSH_BRANCH" | (while read object; do
                [ -e "$object" ] &&
        hook pre-merge
        git ls-tree -r --name-only origin/"$VCSH_BRANCH" | (while read object; do
                [ -e "$object" ] &&
@@ -170,7 +180,7 @@ clone() {
        [ x"$VCSH_CONFLICT" = x'1' ]) &&
                fatal "will stop after fetching and not try to merge!
   Once this situation has been resolved, run 'vcsh $VCSH_REPO_NAME pull' to finish cloning." 17
        [ x"$VCSH_CONFLICT" = x'1' ]) &&
                fatal "will stop after fetching and not try to merge!
   Once this situation has been resolved, run 'vcsh $VCSH_REPO_NAME pull' to finish cloning." 17
-       git merge origin/"$VCSH_BRANCH"
+       git -c merge.ff=true merge origin/"$VCSH_BRANCH"
        hook post-merge
        hook post-clone
        retire
        hook post-merge
        hook post-clone
        retire
@@ -183,7 +193,7 @@ commit() {
                echo "$VCSH_REPO_NAME: "
                GIT_DIR=$VCSH_REPO_D/$VCSH_REPO_NAME.git; export GIT_DIR
                use
                echo "$VCSH_REPO_NAME: "
                GIT_DIR=$VCSH_REPO_D/$VCSH_REPO_NAME.git; export GIT_DIR
                use
-               git commit --untracked-files=no --quiet
+               git commit --untracked-files=no --quiet $@
                VCSH_COMMAND_RETURN_CODE=$?
                echo
        done
                VCSH_COMMAND_RETURN_CODE=$?
                echo
        done
@@ -216,6 +226,27 @@ enter() {
        hook post-enter
 }
 
        hook post-enter
 }
 
+foreach() {
+       hook pre-foreach
+
+       # We default to prefixing `git` to all commands passed to foreach, but
+       # allow running in general context with -g
+       command_prefix=git
+       while getopts "g" flag; do
+               if [ x"$1" = x'-g' ]; then
+                       unset command_prefix
+               fi
+               shift 1
+       done
+       for VCSH_REPO_NAME in $(list); do
+               echo "$VCSH_REPO_NAME:"
+               GIT_DIR=$VCSH_REPO_D/$VCSH_REPO_NAME.git; export GIT_DIR
+               use
+               $command_prefix "$@"
+       done
+       hook post-foreach
+}
+
 git_dir_exists() {
        [ -d "$GIT_DIR" ] || fatal "no repository found for '$VCSH_REPO_NAME'" 12
 }
 git_dir_exists() {
        [ -d "$GIT_DIR" ] || fatal "no repository found for '$VCSH_REPO_NAME'" 12
 }
@@ -233,7 +264,7 @@ init() {
        [ ! -e "$GIT_DIR" ] || fatal "'$GIT_DIR' exists" 10
        mkdir -p "$VCSH_BASE" || fatal "could not create '$VCSH_BASE'" 50
        cd "$VCSH_BASE" || fatal "could not enter '$VCSH_BASE'" 11
        [ ! -e "$GIT_DIR" ] || fatal "'$GIT_DIR' exists" 10
        mkdir -p "$VCSH_BASE" || fatal "could not create '$VCSH_BASE'" 50
        cd "$VCSH_BASE" || fatal "could not enter '$VCSH_BASE'" 11
-       git init --shared=0600
+       git init --shared=false
        upgrade
        hook post-init
 }
        upgrade
        hook post-init
 }
@@ -265,7 +296,7 @@ list_tracked_helper() {
 }
 
 list_tracked_by() {
 }
 
 list_tracked_by() {
-       list_tracked $2
+       list_tracked '' $2
 }
 
 list_untracked() {
 }
 
 list_untracked() {
@@ -429,12 +460,14 @@ use() {
 }
 
 which() {
 }
 
 which() {
-       [ -e "$VCSH_COMMAND_PARAMETER" ] || fatal "'$VCSH_COMMAND_PARAMETER' does not exist" 1
-       for VCSH_REPO_NAME in $(list); do
-               for VCSH_FILE in $(get_files); do
-                       echo "$VCSH_FILE" | grep -q "$VCSH_COMMAND_PARAMETER" && echo "$VCSH_REPO_NAME: $VCSH_FILE"
-               done
-       done | sort -u
+       output=$(for VCSH_REPO_NAME in $(list); do
+               get_files | grep -- "$VCSH_COMMAND_PARAMETER" | sed "s/^/$VCSH_REPO_NAME: /"
+       done | sort -u)
+       if [ -z "$output" ]; then
+               fatal "'$VCSH_COMMAND_PARAMETER' does not exist" 1
+       else
+               echo "$output"
+       fi
 }
 
 write_gitignore() {
 }
 
 write_gitignore() {
@@ -446,14 +479,21 @@ write_gitignore() {
 
        use
        cd "$VCSH_BASE" || fatal "could not enter '$VCSH_BASE'" 11
 
        use
        cd "$VCSH_BASE" || fatal "could not enter '$VCSH_BASE'" 11
+       local GIT_VERSION="$(git --version)"
+       local GIT_VERSION_MAJOR=$(echo $GIT_VERSION | sed -n 's/.* \([0-9]\)\..*/\1/p')
+       local GIT_VERSION_MINOR=$(echo $GIT_VERSION | sed -n 's/.* \([0-9]\)\.\([0-9]\)\..*/\2/p')
        OLDIFS=$IFS
        IFS=$(printf '\n\t')
        gitignores=$(for file in $(git ls-files); do
        OLDIFS=$IFS
        IFS=$(printf '\n\t')
        gitignores=$(for file in $(git ls-files); do
-               while true; do
-                       echo "$file"; new=${file%/*}
-                       [ x"$file" = x"$new" ] && break
-                       file=$new
-               done;
+               if [ $GIT_VERSION_MAJOR -ge 2 -a $GIT_VERSION_MINOR -ge 7 ]; then
+                       echo "$file";
+               else
+                       while true; do
+                               echo "$file"; new=${file%/*}
+                               [ x"$file" = x"$new" ] && break
+                               file=$new
+                       done;
+               fi
        done | sort -u)
 
        # Contrary to GNU mktemp, mktemp on BSD/OSX requires a template for temp files
        done | sort -u)
 
        # Contrary to GNU mktemp, mktemp on BSD/OSX requires a template for temp files
@@ -556,6 +596,9 @@ elif [ x"$VCSH_COMMAND" = x'delete' ]           ||
        [ x"$VCSH_COMMAND" = x'rename' ] && { VCSH_REPO_NAME_NEW=$3; export VCSH_REPO_NAME_NEW;
                                              GIT_DIR_NEW=$VCSH_REPO_D/$VCSH_REPO_NAME_NEW.git; export GIT_DIR_NEW; }
        [ x"$VCSH_COMMAND" = x'run' ]    && shift 2
        [ x"$VCSH_COMMAND" = x'rename' ] && { VCSH_REPO_NAME_NEW=$3; export VCSH_REPO_NAME_NEW;
                                              GIT_DIR_NEW=$VCSH_REPO_D/$VCSH_REPO_NAME_NEW.git; export GIT_DIR_NEW; }
        [ x"$VCSH_COMMAND" = x'run' ]    && shift 2
+elif [ x"$VCSH_COMMAND" = x'foreach' ]; then
+       [ -z "$2" ] && fatal "$VCSH_COMMAND: please specify a command" 1
+       shift 1
 elif [ x"$VCSH_COMMAND" = x'commit' ] ||
      [ x"$VCSH_COMMAND" = x'list'   ] ||
      [ x"$VCSH_COMMAND" = x'list-tracked' ] ||
 elif [ x"$VCSH_COMMAND" = x'commit' ] ||
      [ x"$VCSH_COMMAND" = x'list'   ] ||
      [ x"$VCSH_COMMAND" = x'list-tracked' ] ||
version controlled RC files

Legalese

All content available in this repository is copyright © martin f. krafft, unless otherwise noted.

All files and their content are released under the terms of the Artistic Licence 2.0, unless otherwise noted.

The operator of this repository shall not be held liable for offending content in pages linking to or linked from these page, nor does he endorse their content unless stated otherwise.