Release v1.20130724

[code/vcsh.git] / vcsh

diff --git a/vcsh b/vcsh
index 41b0ba639e77da679bc3c674ac758232b3aa740e..f2bbd7a229c8211b9d79cb3bb0ee262f54a28eec 100755 (executable)
--- a/vcsh
+++ b/vcsh
@@ -8,7 +8,7 @@
 # While the following is not legally binding, the author would like to
 # explain the choice of GPLv2+ over GPLv3+.
 # The author prefers GPLv3+ over GPLv2+ but feels it's better to maintain
-# full compatibility's with git. In case git ever changes its licensing terms,
+# full compatibility's with Git. In case Git ever changes its licensing terms,
 # which is admittedly extremely unlikely to the point of being impossible,
 # this software will most likely follow suit.
 
@@ -24,7 +24,7 @@ basename() {
 }
 
 SELF=$(basename $0)
-VERSION='1.2'
+VERSION='1.20130724'
 
 fatal() {
        echo "$SELF: fatal: $1" >&2
@@ -100,10 +100,13 @@ help() {
    list-tracked         List all files tracked by vcsh
    list-tracked-by \\
         <repo>          List files tracked by a repository
+   pull                 Pull from all vcsh remotes
+   push                 Push to vcsh remotes
    rename <repo> \\
           <newname>     Rename repository
    run <repo> \\
        <command>        Use this repository
+   status               Show statuses of all vcsh repositories
    upgrade <repo>       Upgrade repository to currently recommended settings
    version              Print version information
    which <substring>    Find substring in name of any tracked file
@@ -131,6 +134,7 @@ info() {
 }
 
 clone() {
+       hook pre-clone
        init
        git remote add origin "$GIT_REMOTE"
        git config branch.master.remote origin
@@ -149,6 +153,9 @@ clone() {
                fatal "will stop after fetching and not try to merge!
   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() {
@@ -220,11 +227,46 @@ list_tracked_by() {
        git ls-files | sort -u
 }
 
+pull() {
+       hook pre-pull
+       for VCSH_REPO_NAME in $(list); do
+               echo -n "$VCSH_REPO_NAME: "
+               export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git"
+               use
+               git pull
+               echo
+       done
+       hook post-pull
+}
+
+push() {
+       hook pre-push
+       for VCSH_REPO_NAME in $(list); do
+               echo -n "$VCSH_REPO_NAME: "
+               export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git"
+               use
+               git push
+               echo
+       done
+       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() {
@@ -234,6 +276,16 @@ run() {
        hook post-run
 }
 
+status() {
+       for VCSH_REPO_NAME in $(list); do
+               echo "$VCSH_REPO_NAME:"
+               export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git"
+               use
+               git status --short --untracked-files='no'
+               echo
+       done
+}
+
 upgrade() {
        hook pre-upgrade
        use
@@ -295,8 +347,8 @@ write_gitignore() {
                fatal "could not move '$tempfile' to '$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME'" 53
 }
 
-if [ ! "x$VCSH_GITIGNORE" = 'xexact' ] && [ ! "x$VCSH_GITIGNORE" = 'xrecursive' ] && [ ! "x$VCSH_GITIGNORE" = 'xnone' ]; then
-       fatal "'\$VCSH_GITIGNORE' must equal 'exact', 'recursive', or 'none'" 1
+if [ ! "x$VCSH_GITIGNORE" = 'xexact' ] && [ ! "x$VCSH_GITIGNORE" = 'xnone' ] && [ ! "x$VCSH_GITIGNORE" = 'xrecursive' ]; then
+       fatal "'\$VCSH_GITIGNORE' must equal 'exact', 'none', or 'recursive'" 1
 fi
 
 if [ "$1" = 'clone' ]; then
@@ -324,15 +376,18 @@ elif [ "$1" = 'delete' ]           ||
      [ "$1" = 'write-gitignore' ]; then
        [ -z $2 ]                      && fatal "$1: please specify repository to work on" 1
        [ "$1" = 'rename' -a -z "$3" ] && fatal "$1: please specify a target name" 1
-       [ "$1" = 'run' -a -z "$3" ]    && fatal "$1: please specify a command" 1
+       [ "$1" = 'run'    -a -z "$3" ] && fatal "$1: please specify a command" 1
        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" = 'run' ] && shift 2
-       [ "$VCSH_COMMAND" = 'write-gitignore' ]
+       [ "$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
 elif [ "$1" = 'list' ] ||
-     [ "$1" = 'list-tracked' ]; then
+     [ "$1" = 'list-tracked' ] ||
+     [ "$1" = 'pull' ] ||
+     [ "$1" = 'push' ] ||
+     [ "$1" = 'status' ]; then
        export VCSH_COMMAND="$1"
 elif [ -n "$2" ]; then
        export VCSH_COMMAND='run'
@@ -358,9 +413,8 @@ if echo $VCSH_REPO_NAME | grep -q '/'; then
        export VCSH_REPO_NAME=$(basename "$VCSH_REPO_NAME" .git)
 fi
 
-
-for check_directory in "$VCSH_REPO_D" "$VCSH_BASE/.gitignore.d"
-do
+check_dir() {
+       check_directory="$1"
        if [ ! -d "$check_directory" ]; then
                if [ -e "$check_directory" ]; then
                        fatal "'$check_directory' exists but is not a directory" 13
@@ -369,7 +423,10 @@ do
                        mkdir -p "$check_directory" || fatal "could not create '$check_directory'" 50
                fi
        fi
-done
+}
+
+check_dir "$VCSH_REPO_D"
+[ ! "x$VCSH_GITIGNORE" = 'xnone' ] && check_dir "$VCSH_BASE/.gitignore.d"
 
 verbose "$VCSH_COMMAND begin"
 export VCSH_COMMAND=$(echo $VCSH_COMMAND | sed 's/-/_/g')