Add support for `vcsh pull`

[code/vcsh.git] / vcsh

diff --git a/vcsh b/vcsh
index d742cf44cae8c27aeeaa1c796954e0b26bb1a437..e6b93778e7f928f6eda9aabfc186207b178ec556 100755 (executable)
--- a/vcsh
+++ b/vcsh
@@ -8,10 +8,13 @@
 # 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 compability 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.
 
+# This should always be the first line of code to facilitate debugging
+[ -n "$VCSH_DEBUG" ] && set -vx
+
 basename() {
        # Implemented in shell to avoid spawning another process
        local file
@@ -21,7 +24,7 @@ basename() {
 }
 
 SELF=$(basename $0)
-VERSION='1.2'
+VERSION='1.20130614'
 
 fatal() {
        echo "$SELF: fatal: $1" >&2
@@ -35,8 +38,10 @@ while getopts "c:dv" flag; do
        if [ "$1" = '-d' ] || [ "$1" = '--debug' ]; then
                set -vx
                VCSH_DEBUG=1
+               echo "$SELF $VERSION"
        elif [ "$1" = '-v' ];then
                VCSH_VERBOSE=1
+               echo "$SELF $VERSION"
        elif [ "$1" = '-c' ];then
                VCSH_OPTION_CONFIG=$OPTARG
        fi
@@ -95,11 +100,12 @@ 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
    rename <repo> \\
           <newname>     Rename repository
    run <repo> \\
        <command>        Use this repository
-   setup <repo>         Set up repository with recommended settings
+   upgrade <repo>       Upgrade repository to currently recommended settings
    version              Print version information
    which <substring>    Find substring in name of any tracked file
    write-gitignore \\
@@ -126,6 +132,7 @@ info() {
 }
 
 clone() {
+       hook pre-clone
        init
        git remote add origin "$GIT_REMOTE"
        git config branch.master.remote origin
@@ -144,6 +151,7 @@ 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
 }
 
 delete() {
@@ -190,7 +198,7 @@ init() {
        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
        git init
-       setup
+       upgrade
 }
 
 list() {
@@ -215,6 +223,17 @@ 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
+       done
+       hook post-pull
+}
+
 rename() {
        git_dir_exists
        [ -d "$GIT_DIR_NEW" ] && fatal "'$GIT_DIR_NEW' exists" 54
@@ -229,14 +248,14 @@ run() {
        hook post-run
 }
 
-setup() {
-       hook pre-setup
+upgrade() {
+       hook pre-upgrade
        use
        git config core.worktree     "$GIT_WORK_TREE"
        git config core.excludesfile ".gitignore.d/$VCSH_REPO_NAME"
        git config vcsh.vcsh         'true'
        [ -e "$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME" ] && git add -f "$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME"
-       hook post-setup
+       hook post-upgrade
 }
 
 use() {
@@ -309,7 +328,7 @@ elif [ "$1" = 'delete' ]           ||
      [ "$1" = 'list-tracked-by' ]  ||
      [ "$1" = 'rename' ]           ||
      [ "$1" = 'run' ]              ||
-     [ "$1" = 'setup' ]            ||
+     [ "$1" = 'upgrade' ]          ||
      [ "$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
@@ -321,7 +340,8 @@ elif [ "$1" = 'delete' ]           ||
        [ "$VCSH_COMMAND" = 'run' ] && shift 2
        [ "$VCSH_COMMAND" = 'write-gitignore' ]
 elif [ "$1" = 'list' ] ||
-     [ "$1" = 'list-tracked' ]; then
+     [ "$1" = 'list-tracked' ] ||
+     [ "$1" = 'pull' ]; then
        export VCSH_COMMAND="$1"
 elif [ -n "$2" ]; then
        export VCSH_COMMAND='run'