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docs: Clarify what 'enter' does.
[code/vcsh.git] / vcsh
diff --git a/vcsh b/vcsh
index 2f5026199476026554e6a44bca551d36551863b1..ff0ec2bb4d59bc60c301429ebf38d24d4fc75e65 100755 (executable)
--- a/vcsh
+++ b/vcsh
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 # This program is licensed under the GNU GPL version 2 or later.
 #!/bin/sh
 
 # This program is licensed under the GNU GPL version 2 or later.
-# (c) Richard "RichiH" Hartmann <richih@debian.org>, 2011-2014
+# (c) Richard "RichiH" Hartmann <richih@debian.org>, 2011-2015
 # For details, see LICENSE. To submit patches, you have to agree to
 # license your code under the GNU GPL version 2 or later.
 
 # For details, see LICENSE. To submit patches, you have to agree to
 # license your code under the GNU GPL version 2 or later.
 
@@ -106,13 +106,17 @@ help() {
    commit               Commit in all repositories
    delete <repo>        Delete an existing repository
    enter <repo>         Enter repository; spawn new instance of \$SHELL
    commit               Commit in all repositories
    delete <repo>        Delete an existing repository
    enter <repo>         Enter repository; spawn new instance of \$SHELL
+                        with \$GIT_DIR set.
+   foreach [<-g>]
+     <git command>      Execute a command for every repository
    help                 Display this help text
    init <repo>          Initialize a new repository
    list                 List all repositories
    list-tracked \\
         [<repo>]        List all files tracked all or one repositories
    list-untracked \\
    help                 Display this help text
    init <repo>          Initialize a new repository
    list                 List all repositories
    list-tracked \\
         [<repo>]        List all files tracked all or one repositories
    list-untracked \\
-        [<-r>] [<repo>] List all files not tracked by all or one repositories
+        [<-a>] [<-r>]
+        [<repo>]        List all files not tracked by all or one repositories
    pull                 Pull from all vcsh remotes
    push                 Push to vcsh remotes
    rename <repo> \\
    pull                 Pull from all vcsh remotes
    push                 Push to vcsh remotes
    rename <repo> \\
@@ -159,7 +163,12 @@ clone() {
   You should add files to your new repository."
                exit
        fi
   You should add files to your new repository."
                exit
        fi
-       git fetch origin "$VCSH_BRANCH"
+       GIT_VERSION_MAJOR=$(git --version | sed -n 's/.* \([0-9]\)\..*/\1/p' )
+       if [ 1 -lt "$GIT_VERSION_MAJOR" ];then
+               git fetch origin "$VCSH_BRANCH"
+       else
+               git fetch origin
+       fi
        hook pre-merge
        git ls-tree -r --name-only origin/"$VCSH_BRANCH" | (while read object; do
                [ -e "$object" ] &&
        hook pre-merge
        git ls-tree -r --name-only origin/"$VCSH_BRANCH" | (while read object; do
                [ -e "$object" ] &&
@@ -169,7 +178,7 @@ clone() {
        [ x"$VCSH_CONFLICT" = x'1' ]) &&
                fatal "will stop after fetching and not try to merge!
   Once this situation has been resolved, run 'vcsh $VCSH_REPO_NAME pull' to finish cloning." 17
        [ x"$VCSH_CONFLICT" = x'1' ]) &&
                fatal "will stop after fetching and not try to merge!
   Once this situation has been resolved, run 'vcsh $VCSH_REPO_NAME pull' to finish cloning." 17
-       git merge origin/"$VCSH_BRANCH"
+       git -c merge.ff=true merge origin/"$VCSH_BRANCH"
        hook post-merge
        hook post-clone
        retire
        hook post-merge
        hook post-clone
        retire
@@ -182,7 +191,7 @@ commit() {
                echo "$VCSH_REPO_NAME: "
                GIT_DIR=$VCSH_REPO_D/$VCSH_REPO_NAME.git; export GIT_DIR
                use
                echo "$VCSH_REPO_NAME: "
                GIT_DIR=$VCSH_REPO_D/$VCSH_REPO_NAME.git; export GIT_DIR
                use
-               git commit --untracked-files=no --quiet
+               git commit --untracked-files=no --quiet $@
                VCSH_COMMAND_RETURN_CODE=$?
                echo
        done
                VCSH_COMMAND_RETURN_CODE=$?
                echo
        done
@@ -215,6 +224,27 @@ enter() {
        hook post-enter
 }
 
        hook post-enter
 }
 
+foreach() {
+       hook pre-foreach
+
+       # We default to prefixing `git` to all commands passed to foreach, but
+       # allow running in general context with -g
+       command_prefix=git
+       while getopts "g" flag; do
+               if [ x"$1" = x'-g' ]; then
+                       unset command_prefix
+               fi
+               shift 1
+       done
+       for VCSH_REPO_NAME in $(list); do
+               echo "$VCSH_REPO_NAME:"
+               GIT_DIR=$VCSH_REPO_D/$VCSH_REPO_NAME.git; export GIT_DIR
+               use
+               $command_prefix "$@"
+       done
+       hook post-foreach
+}
+
 git_dir_exists() {
        [ -d "$GIT_DIR" ] || fatal "no repository found for '$VCSH_REPO_NAME'" 12
 }
 git_dir_exists() {
        [ -d "$GIT_DIR" ] || fatal "no repository found for '$VCSH_REPO_NAME'" 12
 }
@@ -264,7 +294,7 @@ list_tracked_helper() {
 }
 
 list_tracked_by() {
 }
 
 list_tracked_by() {
-       list_tracked $2
+       list_tracked '' $2
 }
 
 list_untracked() {
 }
 
 list_untracked() {
@@ -275,10 +305,13 @@ list_untracked() {
        temp_file_untracked_copy=$(mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX") || fatal 'Could not create temp file'
 
        # Hack in support for `vcsh list-untracked -r`...
        temp_file_untracked_copy=$(mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX") || fatal 'Could not create temp file'
 
        # Hack in support for `vcsh list-untracked -r`...
+       exclude_standard_opt='--exclude-standard'
        directory_opt="--directory"
        shift 1
        directory_opt="--directory"
        shift 1
-       while getopts "r" flag; do
-               if [ x"$1" = x'-r' ]; then
+       while getopts "ar" flag; do
+               if [ x"$1" = x'-a' ]; then
+                       unset exclude_standard_opt
+               elif [ x"$1" = x'-r' ]; then
                        unset directory_opt
                fi
                shift 1
                        unset directory_opt
                fi
                shift 1
@@ -301,7 +334,7 @@ list_untracked() {
 
 list_untracked_helper() {
        export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git"
 
 list_untracked_helper() {
        export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git"
-       git ls-files --others "$directory_opt" | (
+       git ls-files --others $exclude_standard_opt "$directory_opt" | (
                while read line; do
                        echo "$line"
                        directory_component=${line%%/*}
                while read line; do
                        echo "$line"
                        directory_component=${line%%/*}
@@ -313,7 +346,7 @@ list_untracked_helper() {
                cp $temp_file_others $temp_file_untracked || fatal 'Could not copy temp file'
        fi
        cp $temp_file_untracked $temp_file_untracked_copy || fatal 'Could not copy temp file'
                cp $temp_file_others $temp_file_untracked || fatal 'Could not copy temp file'
        fi
        cp $temp_file_untracked $temp_file_untracked_copy || fatal 'Could not copy temp file'
-       comm -12 --nocheck-order $temp_file_others $temp_file_untracked_copy > $temp_file_untracked
+       comm -12 $temp_file_others $temp_file_untracked_copy > $temp_file_untracked
 }
 
 pull() {
 }
 
 pull() {
@@ -377,7 +410,7 @@ status() {
                for VCSH_REPO_NAME in $(list); do
                        STATUS=$(status_helper $VCSH_REPO_NAME "$COLORING")
                        [ -n "$STATUS" -o -z "$VCSH_STATUS_TERSE" ] && echo "$VCSH_REPO_NAME:"
                for VCSH_REPO_NAME in $(list); do
                        STATUS=$(status_helper $VCSH_REPO_NAME "$COLORING")
                        [ -n "$STATUS" -o -z "$VCSH_STATUS_TERSE" ] && echo "$VCSH_REPO_NAME:"
-                       [ -n "$STATUS" ] && echo "$STATUS"
+                       [ -n "$STATUS" ]            && echo "$STATUS"
                        [ -z "$VCSH_STATUS_TERSE" ] && echo
                done
        fi
                        [ -z "$VCSH_STATUS_TERSE" ] && echo
                done
        fi
@@ -385,6 +418,7 @@ status() {
 
 status_helper() {
        GIT_DIR=$VCSH_REPO_D/$1.git; export GIT_DIR
 
 status_helper() {
        GIT_DIR=$VCSH_REPO_D/$1.git; export GIT_DIR
+       VCSH_GIT_OPTIONS=$2
        use
        remote_tracking_branch=$(git rev-parse --abbrev-ref --symbolic-full-name @{u} 2> /dev/null) && {
                commits_behind=$(git log ..${remote_tracking_branch} --oneline | wc -l)
        use
        remote_tracking_branch=$(git rev-parse --abbrev-ref --symbolic-full-name @{u} 2> /dev/null) && {
                commits_behind=$(git log ..${remote_tracking_branch} --oneline | wc -l)
@@ -392,7 +426,7 @@ status_helper() {
                [ ${commits_behind} -ne 0 ] && echo "Behind $remote_tracking_branch by $commits_behind commits"
                [ ${commits_ahead} -ne 0 ] && echo "Ahead of $remote_tracking_branch by $commits_ahead commits"
        }
                [ ${commits_behind} -ne 0 ] && echo "Behind $remote_tracking_branch by $commits_behind commits"
                [ ${commits_ahead} -ne 0 ] && echo "Ahead of $remote_tracking_branch by $commits_ahead commits"
        }
-       git $2 status --short --untracked-files='no'
+       git ${VCSH_GIT_OPTIONS} status --short --untracked-files='no'
        VCSH_COMMAND_RETURN_CODE=$?
 }
 
        VCSH_COMMAND_RETURN_CODE=$?
 }
 
@@ -424,12 +458,14 @@ use() {
 }
 
 which() {
 }
 
 which() {
-       [ -e "$VCSH_COMMAND_PARAMETER" ] || fatal "'$VCSH_COMMAND_PARAMETER' does not exist" 1
-       for VCSH_REPO_NAME in $(list); do
-               for VCSH_FILE in $(get_files); do
-                       echo "$VCSH_FILE" | grep -q "$VCSH_COMMAND_PARAMETER" && echo "$VCSH_REPO_NAME: $VCSH_FILE"
-               done
-       done | sort -u
+       output=$(for VCSH_REPO_NAME in $(list); do
+               get_files | grep -- "$VCSH_COMMAND_PARAMETER" | sed "s/^/$VCSH_REPO_NAME: /"
+       done | sort -u)
+       if [ -z "$output" ]; then
+               fatal "'$VCSH_COMMAND_PARAMETER' does not exist" 1
+       else
+               echo "$output"
+       fi
 }
 
 write_gitignore() {
 }
 
 write_gitignore() {
@@ -441,14 +477,21 @@ write_gitignore() {
 
        use
        cd "$VCSH_BASE" || fatal "could not enter '$VCSH_BASE'" 11
 
        use
        cd "$VCSH_BASE" || fatal "could not enter '$VCSH_BASE'" 11
+       local GIT_VERSION="$(git --version)"
+       local GIT_VERSION_MAJOR=$(echo $GIT_VERSION | sed -n 's/.* \([0-9]\)\..*/\1/p')
+       local GIT_VERSION_MINOR=$(echo $GIT_VERSION | sed -n 's/.* \([0-9]\)\.\([0-9]\)\..*/\2/p')
        OLDIFS=$IFS
        IFS=$(printf '\n\t')
        gitignores=$(for file in $(git ls-files); do
        OLDIFS=$IFS
        IFS=$(printf '\n\t')
        gitignores=$(for file in $(git ls-files); do
-               while true; do
-                       echo "$file"; new=${file%/*}
-                       [ x"$file" = x"$new" ] && break
-                       file=$new
-               done;
+               if [ $GIT_VERSION_MAJOR -ge 2 -a $GIT_VERSION_MINOR -ge 7 ]; then
+                       echo "$file";
+               else
+                       while true; do
+                               echo "$file"; new=${file%/*}
+                               [ x"$file" = x"$new" ] && break
+                               file=$new
+                       done;
+               fi
        done | sort -u)
 
        # Contrary to GNU mktemp, mktemp on BSD/OSX requires a template for temp files
        done | sort -u)
 
        # Contrary to GNU mktemp, mktemp on BSD/OSX requires a template for temp files
@@ -551,6 +594,9 @@ elif [ x"$VCSH_COMMAND" = x'delete' ]           ||
        [ x"$VCSH_COMMAND" = x'rename' ] && { VCSH_REPO_NAME_NEW=$3; export VCSH_REPO_NAME_NEW;
                                              GIT_DIR_NEW=$VCSH_REPO_D/$VCSH_REPO_NAME_NEW.git; export GIT_DIR_NEW; }
        [ x"$VCSH_COMMAND" = x'run' ]    && shift 2
        [ x"$VCSH_COMMAND" = x'rename' ] && { VCSH_REPO_NAME_NEW=$3; export VCSH_REPO_NAME_NEW;
                                              GIT_DIR_NEW=$VCSH_REPO_D/$VCSH_REPO_NAME_NEW.git; export GIT_DIR_NEW; }
        [ x"$VCSH_COMMAND" = x'run' ]    && shift 2
+elif [ x"$VCSH_COMMAND" = x'foreach' ]; then
+       [ -z "$2" ] && fatal "$VCSH_COMMAND: please specify a command" 1
+       shift 1
 elif [ x"$VCSH_COMMAND" = x'commit' ] ||
      [ x"$VCSH_COMMAND" = x'list'   ] ||
      [ x"$VCSH_COMMAND" = x'list-tracked' ] ||
 elif [ x"$VCSH_COMMAND" = x'commit' ] ||
      [ x"$VCSH_COMMAND" = x'list'   ] ||
      [ x"$VCSH_COMMAND" = x'list-tracked' ] ||
@@ -560,8 +606,7 @@ elif [ x"$VCSH_COMMAND" = x'commit' ] ||
        :
 elif [ x"$VCSH_COMMAND" = x'status' ]; then
        if [ x"$2" = x'--terse' ]; then
        :
 elif [ x"$VCSH_COMMAND" = x'status' ]; then
        if [ x"$2" = x'--terse' ]; then
-               VCSH_STATUS_TERSE=1
-               export VCSH_STATUS_TERSE
+               VCSH_STATUS_TERSE=1; export VCSH_STATUS_TERSE
                shift
        fi
        VCSH_REPO_NAME=$2; export VCSH_REPO_NAME
                shift
        fi
        VCSH_REPO_NAME=$2; export VCSH_REPO_NAME
version controlled RC files

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All files and their content are released under the terms of the Artistic Licence 2.0, unless otherwise noted.

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