Add support for `vcsh pull`

[code/vcsh.git] / vcsh

diff --git a/vcsh b/vcsh
index b03df7aaca40292c9a15c8e3a4565ffbbc5ae80c..e6b93778e7f928f6eda9aabfc186207b178ec556 100755 (executable)
--- a/vcsh
+++ b/vcsh
@@ -8,12 +8,23 @@
 # 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
 # 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.
 
 # 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 "$VCSH_DEBUG" ] && set -vx
+
+basename() {
+       # Implemented in shell to avoid spawning another process
+       local file
+       file="${1##*/}"
+       [ -z "$2" ] || file="${file%$2}"
+       echo "$file"
+}
+

 SELF=$(basename $0)
 SELF=$(basename $0)

-VERSION='1.2'
+VERSION='1.20130614'

 
 fatal() {
        echo "$SELF: fatal: $1" >&2
 
 fatal() {
        echo "$SELF: fatal: $1" >&2


@@ -23,12 +34,14 @@ fatal() {
 # We need to run getops as soon as possible so we catch -d and other
 # options that will modify our behaviour.
 # Commands are handled at the end of this script.
 # We need to run getops as soon as possible so we catch -d and other
 # options that will modify our behaviour.
 # Commands are handled at the end of this script.

-while getopts  "c:dv" flag; do
+while getopts "c:dv" flag; do

        if [ "$1" = '-d' ] || [ "$1" = '--debug' ]; then
                set -vx
                VCSH_DEBUG=1
        if [ "$1" = '-d' ] || [ "$1" = '--debug' ]; then
                set -vx
                VCSH_DEBUG=1

+               echo "$SELF $VERSION"

        elif [ "$1" = '-v' ];then
                VCSH_VERBOSE=1
        elif [ "$1" = '-v' ];then
                VCSH_VERBOSE=1

+               echo "$SELF $VERSION"

        elif [ "$1" = '-c' ];then
                VCSH_OPTION_CONFIG=$OPTARG
        fi
        elif [ "$1" = '-c' ];then
                VCSH_OPTION_CONFIG=$OPTARG
        fi


@@ -87,11 +100,12 @@ help() {
    list-tracked         List all files tracked by vcsh
    list-tracked-by \\
         <repo>          List files tracked by a repository
    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
    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 \\
    version              Print version information
    which <substring>    Find substring in name of any tracked file
    write-gitignore \\


@@ -118,6 +132,7 @@ info() {
 }
 
 clone() {
 }
 
 clone() {

+       hook pre-clone

        init
        git remote add origin "$GIT_REMOTE"
        git config branch.master.remote origin
        init
        git remote add origin "$GIT_REMOTE"
        git config branch.master.remote origin


@@ -136,6 +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
                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() {
 }
 
 delete() {


@@ -182,7 +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
        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() {
 }
 
 list() {


@@ -207,6 +223,17 @@ list_tracked_by() {
        git ls-files | sort -u
 }
 
        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
 rename() {
        git_dir_exists
        [ -d "$GIT_DIR_NEW" ] && fatal "'$GIT_DIR_NEW' exists" 54


@@ -221,14 +248,14 @@ run() {
        hook post-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"
        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() {
 }
 
 use() {


@@ -301,7 +328,7 @@ elif [ "$1" = 'delete' ]           ||
      [ "$1" = 'list-tracked-by' ]  ||
      [ "$1" = 'rename' ]           ||
      [ "$1" = 'run' ]              ||
      [ "$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
      [ "$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


@@ -313,7 +340,8 @@ elif [ "$1" = 'delete' ]           ||
        [ "$VCSH_COMMAND" = 'run' ] && shift 2
        [ "$VCSH_COMMAND" = 'write-gitignore' ]
 elif [ "$1" = 'list' ] ||
        [ "$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'
        export VCSH_COMMAND="$1"
 elif [ -n "$2" ]; then
        export VCSH_COMMAND='run'