Keep worktree relative to GIT_DIR

[code/vcsh.git] / vcsh

diff --git a/vcsh b/vcsh
index 175a9d1a39fcef377628deb224b9074d244efdbc..d45e95d927925fa31e45deadd7e19f409a94ae9b 100755 (executable)
--- a/vcsh
+++ b/vcsh
@@ -153,6 +153,8 @@ clone() {
   Once this situation has been resolved, run 'vcsh run $VCSH_REPO_NAME git pull' to finish cloning.\n" 17
        git merge origin/master
        hook post-clone
+       retire
+       hook post-clone-retired
 }
 
 delete() {
@@ -195,9 +197,8 @@ hook() {
 
 init() {
        [ ! -e "$GIT_DIR" ] || fatal "'$GIT_DIR' exists" 10
-       export GIT_WORK_TREE="$VCSH_BASE"
-       mkdir -p "$GIT_WORK_TREE" || fatal "could not create '$GIT_WORK_TREE'" 50
-       cd "$GIT_WORK_TREE" || fatal "could not enter '$GIT_WORK_TREE'" 11
+       mkdir -p "$VCSH_BASE" || fatal "could not create '$VCSH_BASE'" 50
+       cd "$VCSH_BASE" || fatal "could not enter '$VCSH_BASE'" 11
        git init
        upgrade
 }
@@ -246,11 +247,22 @@ push() {
        hook post-push
 }
 
+retire() {
+       unset GIT_WORK_TREE
+       unset VCSH_DIRECTORY
+}
+
 rename() {
        git_dir_exists
        [ -d "$GIT_DIR_NEW" ] && fatal "'$GIT_DIR_NEW' exists" 54
        mv -f "$GIT_DIR" "$GIT_DIR_NEW" || fatal "Could not mv '$GIT_DIR' '$GIT_DIR_NEW'" 52
 
+       # Now that the repository has been renamed, we need to fix up its configuration
+       # Overwrite old name..
+       GIT_DIR="$GIT_DIR_NEW"
+       $VCSH_REPO_NAME="$VCSH_REPO_NAME_NEW"
+       # ..and clobber all old configuration
+       upgrade
 }
 
 run() {
@@ -262,17 +274,22 @@ run() {
 
 upgrade() {
        hook pre-upgrade
-       use
-       git config core.worktree     "$GIT_WORK_TREE"
+       # fake-bare repositories are not bare, actually. Set this to false
+       # because otherwise Git complains "fatal: core.bare and core.worktree
+       # do not make sense"
+       git config core.bare false
+       # in core.worktree, keep a relative reference to the base directory
+       git config core.worktree $(cd $GIT_DIR && GIT_WORK_TREE="$VCSH_BASE" git rev-parse --show-cdup)
        [ ! "x$VCSH_GITIGNORE" = 'xnone' ] && git config core.excludesfile ".gitignore.d/$VCSH_REPO_NAME"
        git config vcsh.vcsh         'true'
+       use
        [ -e "$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME" ] && git add -f "$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME"
        hook post-upgrade
 }
 
 use() {
        git_dir_exists
-       export GIT_WORK_TREE="$(git config --get core.worktree)"
+       export GIT_WORK_TREE="$(git rev-parse --show-toplevel)"
        export VCSH_DIRECTORY="$VCSH_REPO_NAME"
 }
 
@@ -354,9 +371,9 @@ elif [ "$1" = 'delete' ]           ||
        export VCSH_COMMAND="$1"
        export VCSH_REPO_NAME="$2"
        export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git"
-       [ "$VCSH_COMMAND" = 'rename' ] && export GIT_DIR_NEW="$VCSH_REPO_D/$3.git"
+       [ "$VCSH_COMMAND" = 'rename' ] && { export VCSH_REPO_NAME_NEW="$3";
+                                           export GIT_DIR_NEW="$VCSH_REPO_D/$VCSH_REPO_NAME_NEW.git"; }
        [ "$VCSH_COMMAND" = 'run' ]    && shift 2
-       [ "$VCSH_COMMAND" = 'write-gitignore' ]
 elif [ "$1" = 'list' ] ||
      [ "$1" = 'list-tracked' ] ||
      [ "$1" = 'pull' ] ||