vcsh: Fail fast if the clone branch is not valid

[code/vcsh.git] / vcsh

diff --git a/vcsh b/vcsh
index 86a3711ddab7ae189a2560495e63d04a489d4aeb..200cab2bb18e85857612a00e17f86b887ae14c57 100755 (executable)
--- a/vcsh
+++ b/vcsh
@@ -98,7 +98,8 @@ help() {
    -v                   Enable verbose mode
 
    commands:
-   clone <remote> \\
+   clone [-b <branch>] \\
+         <remote> \\
          [<repo>]       Clone from an existing repository
    commit               Commit in all repositories
    delete <repo>        Delete an existing repository
@@ -146,15 +147,16 @@ clone() {
        hook pre-clone
        init
        git remote add origin "$GIT_REMOTE"
+       git checkout -b "$VCSH_BRANCH" || return $?
        git config branch."$VCSH_BRANCH".remote origin
-       git config branch."$VCSH_BRANCH".merge  refs/heads/$VCSH_BRANCH
-       if [ $(git ls-remote origin $VCSH_BRANCH 2> /dev/null | wc -l ) -lt 1 ]; then
+       git config branch."$VCSH_BRANCH".merge  refs/heads/"$VCSH_BRANCH"
+       if [ $(git ls-remote origin "$VCSH_BRANCH" 2> /dev/null | wc -l ) -lt 1 ]; then
                info "remote is empty, not merging anything"
                exit
        fi
-       git fetch
+       git fetch origin "$VCSH_BRANCH"
        hook pre-merge
-       git ls-tree -r --name-only origin/master | (while read object; do
+       git ls-tree -r --name-only origin/"$VCSH_BRANCH" | (while read object; do
                [ -e "$object" ] &&
                        error "'$object' exists." &&
                        VCSH_CONFLICT=1
@@ -162,7 +164,7 @@ clone() {
        [ x"$VCSH_CONFLICT" = x'1' ]) &&
                fatal "will stop after fetching and not try to merge!
   Once this situation has been resolved, run 'vcsh $VCSH_REPO_NAME pull' to finish cloning." 17
-       git merge origin/master # XXX
+       git merge origin/"$VCSH_BRANCH"
        hook post-merge
        hook post-clone
        retire
@@ -430,6 +432,13 @@ case $VCSH_COMMAND in
 esac    
 
 if [ x"$VCSH_COMMAND" = x'clone' ]; then
+       if [ "$2" = -b ]; then
+               VCSH_BRANCH="$3"
+               shift
+               shift
+       else
+               VCSH_BRANCH=master
+       fi
        [ -z "$2" ] && fatal "$VCSH_COMMAND: please specify a remote" 1
        GIT_REMOTE="$2"
        [ -n "$3" ] && VCSH_REPO_NAME=$3 || VCSH_REPO_NAME=$(basename "${GIT_REMOTE#*:}" .git)