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Handle the French locale in reproducible builds slightly less hamfistedly
[code/vcsh.git] / vcsh
diff --git a/vcsh b/vcsh
index 029a2b26fa078220f2039030485d121de0e2a3fc..98e0acd3cd3356626e672035a4ebc2d5258168ba 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>, 2011-2013
+# (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.
 
@@ -19,11 +19,12 @@
 # If '.git-HEAD' is appended to the version, you are seeing an unreleased
 # version of vcsh; the master branch is supposed to be clean at all times
 # so you can most likely just use it nonetheless
 # If '.git-HEAD' is appended to the version, you are seeing an unreleased
 # version of vcsh; the master branch is supposed to be clean at all times
 # so you can most likely just use it nonetheless
-VERSION='1.20131229.git-HEAD'
+VERSION='1.20141026'
 SELF=$(basename $0)
 
 fatal() {
        echo "$SELF: fatal: $1" >&2
 SELF=$(basename $0)
 
 fatal() {
        echo "$SELF: fatal: $1" >&2
+       [ -z $2 ] && exit 1
        exit $2
 }
 
        exit $2
 }
 
@@ -31,16 +32,16 @@ fatal() {
 # options that will modify our behaviour.
 # Commands are handled at the end of this script.
 while getopts "c:dv" flag; do
 # options that will modify our behaviour.
 # Commands are handled at the end of this script.
 while getopts "c:dv" flag; do
-       if [ "$1" = '-d' ] || [ "$1" = '--debug' ]; then
+       if [ x"$1" = x'-d' ] || [ x"$1" = x'--debug' ]; then
                set -vx
                VCSH_DEBUG=1
                echo "debug mode on"
                echo "$SELF $VERSION"
                set -vx
                VCSH_DEBUG=1
                echo "debug mode on"
                echo "$SELF $VERSION"
-       elif [ "$1" = '-v' ]; then
+       elif [ x"$1" = x'-v' ]; then
                VCSH_VERBOSE=1
                echo "verbose mode on"
                echo "$SELF $VERSION"
                VCSH_VERBOSE=1
                echo "verbose mode on"
                echo "$SELF $VERSION"
-       elif [ "$1" = '-c' ]; then
+       elif [ x"$1" = x'-c' ]; then
                VCSH_OPTION_CONFIG=$OPTARG
        fi
        shift 1
                VCSH_OPTION_CONFIG=$OPTARG
        fi
        shift 1
@@ -48,7 +49,7 @@ done
 
 source_all() {
        # Source file even if it's in $PWD and does not have any slashes in it
 
 source_all() {
        # Source file even if it's in $PWD and does not have any slashes in it
-       case "$1" in
+       case $1 in
                */*) . "$1";;
                *)   . "$PWD/$1";;
        esac;
                */*) . "$1";;
                *)   . "$PWD/$1";;
        esac;
@@ -57,7 +58,7 @@ source_all() {
 
 # Read configuration and set defaults if anything's not set
 [ -n "$VCSH_DEBUG" ]                  && set -vx
 
 # Read configuration and set defaults if anything's not set
 [ -n "$VCSH_DEBUG" ]                  && set -vx
-: ${XDG_CONFIG_HOME:=$HOME/.config}
+: ${XDG_CONFIG_HOME:="$HOME/.config"}
 
 # Read configuration files if there are any
 [ -r "/etc/vcsh/config" ]             && . "/etc/vcsh/config"
 
 # Read configuration files if there are any
 [ -r "/etc/vcsh/config" ]             && . "/etc/vcsh/config"
@@ -73,10 +74,12 @@ fi
 [ -n "$VCSH_DEBUG" ]                  && set -vx
 
 # Read defaults
 [ -n "$VCSH_DEBUG" ]                  && set -vx
 
 # Read defaults
-: ${VCSH_REPO_D:=$XDG_CONFIG_HOME/vcsh/repo.d}
-: ${VCSH_HOOK_D:=$XDG_CONFIG_HOME/vcsh/hooks-enabled}
-: ${VCSH_BASE:=$HOME}
+: ${VCSH_REPO_D:="$XDG_CONFIG_HOME/vcsh/repo.d"}
+: ${VCSH_HOOK_D:="$XDG_CONFIG_HOME/vcsh/hooks-enabled"}
+: ${VCSH_OVERLAY_D:="$XDG_CONFIG_HOME/vcsh/overlays-enabled"}
+: ${VCSH_BASE:="$HOME"}
 : ${VCSH_GITIGNORE:=exact}
 : ${VCSH_GITIGNORE:=exact}
+: ${VCSH_GITATTRIBUTES:=none}
 : ${VCSH_WORKTREE:=absolute}
 
 if [ ! "x$VCSH_GITIGNORE" = 'xexact' ] && [ ! "x$VCSH_GITIGNORE" = 'xnone' ] && [ ! "x$VCSH_GITIGNORE" = 'xrecursive' ]; then
 : ${VCSH_WORKTREE:=absolute}
 
 if [ ! "x$VCSH_GITIGNORE" = 'xexact' ] && [ ! "x$VCSH_GITIGNORE" = 'xnone' ] && [ ! "x$VCSH_GITIGNORE" = 'xrecursive' ]; then
@@ -97,24 +100,30 @@ help() {
    -v                   Enable verbose mode
 
    commands:
    -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
    enter <repo>         Enter repository; spawn new instance of \$SHELL
          [<repo>]       Clone from an existing repository
    commit               Commit in all repositories
    delete <repo>        Delete an existing repository
    enter <repo>         Enter repository; spawn new instance of \$SHELL
+   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
    help                 Display this help text
    init <repo>          Initialize a new repository
    list                 List all repositories
-   list-tracked         List all files tracked by vcsh
-   list-tracked-by \\
-        <repo>          List files tracked by a repository
+   list-tracked \\
+        [<repo>]        List all files tracked all or one repositories
+   list-untracked \\
+        [<-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> \\
           <newname>     Rename repository
    run <repo> \\
        <command>        Use this repository
    pull                 Pull from all vcsh remotes
    push                 Push to vcsh remotes
    rename <repo> \\
           <newname>     Rename repository
    run <repo> \\
        <command>        Use this repository
-   status [<repo>]      Show statuses of all/one vcsh repositories
+   status \\
+     [--terse] [<repo>] Show statuses of all/one vcsh repositories
    upgrade <repo>       Upgrade repository to currently recommended settings
    version              Print version information
    which <substring>    Find substring in name of any tracked file
    upgrade <repo>       Upgrade repository to currently recommended settings
    version              Print version information
    which <substring>    Find substring in name of any tracked file
@@ -145,23 +154,30 @@ clone() {
        hook pre-clone
        init
        git remote add origin "$GIT_REMOTE"
        hook pre-clone
        init
        git remote add origin "$GIT_REMOTE"
-       git config branch.master.remote origin
-       git config branch.master.merge  refs/heads/master
-       if [ $(git ls-remote origin master 2> /dev/null | wc -l ) -lt 1 ]; then
-               info "remote is empty, not merging anything"
+       git checkout -b "$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
+               info "remote is empty, not merging anything.
+  You should add files to your new repository."
                exit
        fi
                exit
        fi
-       git fetch
+       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
        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 "'$object' exists." &&
                        VCSH_CONFLICT=1
        done
                [ -e "$object" ] &&
                        error "'$object' exists." &&
                        VCSH_CONFLICT=1
        done
-       [ "$VCSH_CONFLICT" = '1' ]) &&
+       [ x"$VCSH_CONFLICT" = x'1' ]) &&
                fatal "will stop after fetching and not try to merge!
                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." 17
-       git merge origin/master
+  Once this situation has been resolved, run 'vcsh $VCSH_REPO_NAME pull' to finish cloning." 17
+       git -c merge.ff=true merge origin/"$VCSH_BRANCH"
        hook post-merge
        hook post-clone
        retire
        hook post-merge
        hook post-clone
        retire
@@ -172,7 +188,7 @@ commit() {
        hook pre-commit
        for VCSH_REPO_NAME in $(list); do
                echo "$VCSH_REPO_NAME: "
        hook pre-commit
        for VCSH_REPO_NAME in $(list); do
                echo "$VCSH_REPO_NAME: "
-               export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git"
+               GIT_DIR=$VCSH_REPO_D/$VCSH_REPO_NAME.git; export GIT_DIR
                use
                git commit --untracked-files=no --quiet
                VCSH_COMMAND_RETURN_CODE=$?
                use
                git commit --untracked-files=no --quiet
                VCSH_COMMAND_RETURN_CODE=$?
@@ -207,12 +223,33 @@ 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
 }
 
 hook() {
 git_dir_exists() {
        [ -d "$GIT_DIR" ] || fatal "no repository found for '$VCSH_REPO_NAME'" 12
 }
 
 hook() {
-       for hook in $VCSH_HOOK_D/$1* $VCSH_HOOK_D/$VCSH_REPO_NAME.$1*; do
+       for hook in "$VCSH_HOOK_D/$1"* "$VCSH_HOOK_D/$VCSH_REPO_NAME.$1"*; do
                [ -x "$hook" ] || continue
                verbose "executing '$hook'"
                "$hook"
                [ -x "$hook" ] || continue
                verbose "executing '$hook'"
                "$hook"
@@ -231,31 +268,91 @@ init() {
 
 list() {
        for repo in "$VCSH_REPO_D"/*.git; do
 
 list() {
        for repo in "$VCSH_REPO_D"/*.git; do
-               [ -d "$repo" ] && [ -r "$repo" ] && echo $(basename "$repo" .git)
+               [ -d "$repo" ] && [ -r "$repo" ] && echo "$(basename "$repo" .git)"
        done
 }
 
 get_files() {
        done
 }
 
 get_files() {
-       export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git"
+       GIT_DIR=$VCSH_REPO_D/$VCSH_REPO_NAME.git; export GIT_DIR
        git ls-files
 }
 
 list_tracked() {
        git ls-files
 }
 
 list_tracked() {
-       for VCSH_REPO_NAME in $(list); do
-               get_files
-       done | sort -u
+       VCSH_REPO_NAME=$2; export VCSH_REPO_NAME
+       if [ -n "$VCSH_REPO_NAME" ]; then
+               get_files | list_tracked_helper
+       else
+               for VCSH_REPO_NAME in $(list); do
+                       get_files
+               done | list_tracked_helper
+       fi
+}
+
+list_tracked_helper() {
+       sed "s,^,$(printf '%s\n' "$VCSH_BASE/" | sed 's/[,\&]/\\&/g')," | sort -u
 }
 
 list_tracked_by() {
 }
 
 list_tracked_by() {
-       use
-       git ls-files | sort -u
+       list_tracked '' $2
+}
+
+list_untracked() {
+       command -v 'comm' >/dev/null 2>&1 || fatal "Could not find 'comm'"
+
+       temp_file_others=$(mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX") || fatal 'Could not create temp file'
+       temp_file_untracked=$(mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX") || fatal 'Could not create temp file'
+       temp_file_untracked_copy=$(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
+       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
+       done
+       # ...and parse for a potential parameter afterwards. As we shifted things out of $* in during getops, we need to look at $1
+       VCSH_REPO_NAME=$1; export VCSH_REPO_NAME
+
+       if [ -n "$VCSH_REPO_NAME" ]; then
+               list_untracked_helper $VCSH_REPO_NAME
+       else
+               for VCSH_REPO_NAME in $(list); do
+                       list_untracked_helper $VCSH_REPO_NAME
+               done
+       fi
+       cat $temp_file_untracked
+
+       unset directory_opt directory_component
+       rm -f $temp_file_others $temp_file_untracked $temp_file_untracked_copy || fatal 'Could not delete temp files'
+}
+
+list_untracked_helper() {
+       export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git"
+       git ls-files --others $exclude_standard_opt "$directory_opt" | (
+               while read line; do
+                       echo "$line"
+                       directory_component=${line%%/*}
+                       [ -d "$directory_component" ] && printf '%s/\n' "$directory_component"
+               done
+               ) | sort -u > $temp_file_others
+       if [ -z "$ran_once" ]; then
+               ran_once=1
+               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 $temp_file_others $temp_file_untracked_copy > $temp_file_untracked
 }
 
 pull() {
        hook pre-pull
        for VCSH_REPO_NAME in $(list); do
 }
 
 pull() {
        hook pre-pull
        for VCSH_REPO_NAME in $(list); do
-               printf "$VCSH_REPO_NAME: "
-               export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git"
+               printf '%s: ' "$VCSH_REPO_NAME"
+               GIT_DIR=$VCSH_REPO_D/$VCSH_REPO_NAME.git; export GIT_DIR
                use
                git pull
                VCSH_COMMAND_RETURN_CODE=$?
                use
                git pull
                VCSH_COMMAND_RETURN_CODE=$?
@@ -267,8 +364,8 @@ pull() {
 push() {
        hook pre-push
        for VCSH_REPO_NAME in $(list); do
 push() {
        hook pre-push
        for VCSH_REPO_NAME in $(list); do
-               printf "$VCSH_REPO_NAME: "
-               export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git"
+               printf '%s: ' "$VCSH_REPO_NAME"
+               GIT_DIR=$VCSH_REPO_D/$VCSH_REPO_NAME.git; export GIT_DIR
                use
                git push
                VCSH_COMMAND_RETURN_CODE=$?
                use
                git push
                VCSH_COMMAND_RETURN_CODE=$?
@@ -288,8 +385,8 @@ rename() {
 
        # Now that the repository has been renamed, we need to fix up its configuration
        # Overwrite old name..
 
        # 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"
+       GIT_DIR=$GIT_DIR_NEW
+       VCSH_REPO_NAME=$VCSH_REPO_NAME_NEW
        # ..and clobber all old configuration
        upgrade
 }
        # ..and clobber all old configuration
        upgrade
 }
@@ -303,23 +400,35 @@ run() {
 }
 
 status() {
 }
 
 status() {
-       if [ ! "x$VCSH_REPO_NAME" = "x" ]; then
-               export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git"
-               use
-               git status --short --untracked-files='no'
-               VCSH_COMMAND_RETURN_CODE=$?
+       if [ -t 1 ]; then
+               COLORING="-c color.status=always"
+       fi
+       if [ -n "$VCSH_REPO_NAME" ]; then
+               status_helper $VCSH_REPO_NAME
        else
                for VCSH_REPO_NAME in $(list); do
        else
                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'
-                       VCSH_COMMAND_RETURN_CODE=$?
-                       echo
+                       STATUS=$(status_helper $VCSH_REPO_NAME "$COLORING")
+                       [ -n "$STATUS" -o -z "$VCSH_STATUS_TERSE" ] && echo "$VCSH_REPO_NAME:"
+                       [ -n "$STATUS" ]            && echo "$STATUS"
+                       [ -z "$VCSH_STATUS_TERSE" ] && echo
                done
        fi
 }
 
                done
        fi
 }
 
+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)
+               commits_ahead=$(git log ${remote_tracking_branch}.. --oneline | wc -l)
+               [ ${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 ${VCSH_GIT_OPTIONS} status --short --untracked-files='no'
+       VCSH_COMMAND_RETURN_CODE=$?
+}
+
 upgrade() {
        hook pre-upgrade
        # fake-bare repositories are not bare, actually. Set this to false
 upgrade() {
        hook pre-upgrade
        # fake-bare repositories are not bare, actually. Set this to false
@@ -329,12 +438,12 @@ upgrade() {
        # core.worktree may be absolute or relative to $GIT_DIR, depending on
        # user preference
        if [ ! "x$VCSH_WORKTREE" = 'xabsolute' ]; then
        # core.worktree may be absolute or relative to $GIT_DIR, depending on
        # user preference
        if [ ! "x$VCSH_WORKTREE" = 'xabsolute' ]; then
-               git config core.worktree $(cd $GIT_DIR && GIT_WORK_TREE="$VCSH_BASE" git rev-parse --show-cdup)
+               git config core.worktree "$(cd "$GIT_DIR" && GIT_WORK_TREE=$VCSH_BASE git rev-parse --show-cdup)"
        elif [ ! "x$VCSH_WORKTREE" = 'xrelative' ]; then
                git config core.worktree "$VCSH_BASE"
        fi
        [ ! "x$VCSH_GITIGNORE" = 'xnone' ] && git config core.excludesfile ".gitignore.d/$VCSH_REPO_NAME"
        elif [ ! "x$VCSH_WORKTREE" = 'xrelative' ]; then
                git config core.worktree "$VCSH_BASE"
        fi
        [ ! "x$VCSH_GITIGNORE" = 'xnone' ] && git config core.excludesfile ".gitignore.d/$VCSH_REPO_NAME"
-       git config core.attributesfile ".gitattributes.d/$VCSH_REPO_NAME"
+       [ ! "x$VCSH_GITATTRIBUTES" = 'xnone' ] && git config core.attributesfile ".gitattributes.d/$VCSH_REPO_NAME"
        git config vcsh.vcsh 'true'
        use
        [ -e "$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME" ] && git add -f "$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME"
        git config vcsh.vcsh 'true'
        use
        [ -e "$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME" ] && git add -f "$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME"
@@ -344,15 +453,18 @@ upgrade() {
 
 use() {
        git_dir_exists
 
 use() {
        git_dir_exists
-       export VCSH_DIRECTORY="$VCSH_REPO_NAME"
+       VCSH_DIRECTORY=$VCSH_REPO_NAME; export VCSH_DIRECTORY
 }
 
 which() {
 }
 
 which() {
-       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() {
@@ -364,13 +476,13 @@ write_gitignore() {
 
        use
        cd "$VCSH_BASE" || fatal "could not enter '$VCSH_BASE'" 11
 
        use
        cd "$VCSH_BASE" || fatal "could not enter '$VCSH_BASE'" 11
-       OLDIFS="$IFS"
+       OLDIFS=$IFS
        IFS=$(printf '\n\t')
        gitignores=$(for file in $(git ls-files); do
                while true; do
        IFS=$(printf '\n\t')
        gitignores=$(for file in $(git ls-files); do
                while true; do
-                       echo $file; new="${file%/*}"
-                       [ "$file" = "$new" ] && break
-                       file="$new"
+                       echo "$file"; new=${file%/*}
+                       [ x"$file" = x"$new" ] && break
+                       file=$new
                done;
        done | sort -u)
 
                done;
        done | sort -u)
 
@@ -386,7 +498,7 @@ write_gitignore() {
                        { echo "$gitignore/*" | sed 's@^@!/@' >> "$tempfile" || fatal "could not write to '$tempfile'" 57; }
                fi
        done
                        { echo "$gitignore/*" | sed 's@^@!/@' >> "$tempfile" || fatal "could not write to '$tempfile'" 57; }
                fi
        done
-       IFS="$OLDIFS"
+       IFS=$OLDIFS
        if diff -N "$tempfile" "$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME" > /dev/null; then
                rm -f "$tempfile" || error "could not delete '$tempfile'"
                exit
        if diff -N "$tempfile" "$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME" > /dev/null; then
                rm -f "$tempfile" || error "could not delete '$tempfile'"
                exit
@@ -406,9 +518,9 @@ if [ ! "x$VCSH_GITIGNORE" = 'xexact' ] && [ ! "x$VCSH_GITIGNORE" = 'xnone' ] &&
        fatal "'\$VCSH_GITIGNORE' must equal 'exact', 'none', or 'recursive'" 1
 fi
 
        fatal "'\$VCSH_GITIGNORE' must equal 'exact', 'none', or 'recursive'" 1
 fi
 
-export VCSH_COMMAND="$1"
+VCSH_COMMAND=$1; export VCSH_COMMAND
 
 
-case "$VCSH_COMMAND" in
+case $VCSH_COMMAND in
        clon|clo|cl) VCSH_COMMAND=clone;;
        commi|comm|com|co) VCSH_COMMAND=commit;;
        delet|dele|del|de) VCSH_COMMAND=delete;;
        clon|clo|cl) VCSH_COMMAND=clone;;
        commi|comm|com|co) VCSH_COMMAND=commit;;
        delet|dele|del|de) VCSH_COMMAND=delete;;
@@ -426,57 +538,82 @@ case "$VCSH_COMMAND" in
        write|writ|wri|wr) VCSH_COMMAND=write-gitignore;;
 esac    
 
        write|writ|wri|wr) VCSH_COMMAND=write-gitignore;;
 esac    
 
-if [ "$VCSH_COMMAND" = 'clone' ]; then
+if [ x"$VCSH_COMMAND" = x'clone' ]; then
+       VCSH_BRANCH=
+       if [ "$2" = -b ]; then
+               VCSH_BRANCH=$3
+               shift
+               shift
+       fi
        [ -z "$2" ] && fatal "$VCSH_COMMAND: please specify a remote" 1
        GIT_REMOTE="$2"
        [ -z "$2" ] && fatal "$VCSH_COMMAND: please specify a remote" 1
        GIT_REMOTE="$2"
-       [ -n "$3" ] && VCSH_REPO_NAME="$3" || VCSH_REPO_NAME=$(basename "${GIT_REMOTE#*:}" .git)
+       [ -n "$VCSH_BRANCH" ] || if [ "$3" = -b ]; then
+               VCSH_BRANCH=$4
+               shift
+               shift
+       fi
+       if [ -n "$3" ]; then
+               VCSH_REPO_NAME=$3
+               [ -z "$VCSH_BRANCH" ] && [ "$4" = -b ] && VCSH_BRANCH=$5
+       else
+               VCSH_REPO_NAME=$(basename "${GIT_REMOTE#*:}" .git)
+       fi
        [ -z "$VCSH_REPO_NAME" ] && fatal "$VCSH_COMMAND: could not determine repository name" 1
        export VCSH_REPO_NAME
        [ -z "$VCSH_REPO_NAME" ] && fatal "$VCSH_COMMAND: could not determine repository name" 1
        export VCSH_REPO_NAME
-       export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git"
+       [ -n "$VCSH_BRANCH" ] || VCSH_BRANCH=master
+       GIT_DIR=$VCSH_REPO_D/$VCSH_REPO_NAME.git; export GIT_DIR
 elif [ "$VCSH_COMMAND" = 'version' ]; then
        echo "$SELF $VERSION"
        git version
        exit
 elif [ "$VCSH_COMMAND" = 'version' ]; then
        echo "$SELF $VERSION"
        git version
        exit
-elif [ "$VCSH_COMMAND" = 'which' ]; then
+elif [ x"$VCSH_COMMAND" = x'which' ]; then
        [ -z "$2" ] && fatal "$VCSH_COMMAND: please specify a filename" 1
        [ -n "$3" ] && fatal "$VCSH_COMMAND: too many parameters" 1
        [ -z "$2" ] && fatal "$VCSH_COMMAND: please specify a filename" 1
        [ -n "$3" ] && fatal "$VCSH_COMMAND: too many parameters" 1
-       export VCSH_COMMAND_PARAMETER="$2"
-elif [ "$VCSH_COMMAND" = 'delete' ]           ||
-     [ "$VCSH_COMMAND" = 'enter' ]            ||
-     [ "$VCSH_COMMAND" = 'init' ]             ||
-     [ "$VCSH_COMMAND" = 'list-tracked-by' ]  ||
-     [ "$VCSH_COMMAND" = 'rename' ]           ||
-     [ "$VCSH_COMMAND" = 'run' ]              ||
-     [ "$VCSH_COMMAND" = 'upgrade' ]          ||
-     [ "$VCSH_COMMAND" = 'write-gitignore' ]; then
-       [ -z $2 ]                                 && fatal "$VCSH_COMMAND: please specify repository to work on" 1
-       [ "$VCSH_COMMAND" = 'rename' -a -z "$3" ] && fatal "$VCSH_COMMAND: please specify a target name" 1
-       [ "$VCSH_COMMAND" = 'run'    -a -z "$3" ] && fatal "$VCSH_COMMAND: please specify a command" 1
-       export VCSH_REPO_NAME="$2"
-       export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git"
-       [ "$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 [ "$VCSH_COMMAND" = 'commit' ] ||
-     [ "$VCSH_COMMAND" = 'list' ] ||
-     [ "$VCSH_COMMAND" = 'list-tracked' ] ||
-     [ "$VCSH_COMMAND" = 'pull' ] ||
-     [ "$VCSH_COMMAND" = 'push' ]; then
+       VCSH_COMMAND_PARAMETER=$2; export VCSH_COMMAND_PARAMETER
+elif [ x"$VCSH_COMMAND" = x'delete' ]           ||
+     [ x"$VCSH_COMMAND" = x'enter' ]            ||
+     [ x"$VCSH_COMMAND" = x'init' ]             ||
+     [ x"$VCSH_COMMAND" = x'list-tracked-by' ]  ||
+     [ x"$VCSH_COMMAND" = x'rename' ]           ||
+     [ x"$VCSH_COMMAND" = x'run' ]              ||
+     [ x"$VCSH_COMMAND" = x'upgrade' ]          ||
+     [ x"$VCSH_COMMAND" = x'write-gitignore' ]; then
+       [ -z "$2" ]                                     && fatal "$VCSH_COMMAND: please specify repository to work on" 1
+       [ x"$VCSH_COMMAND" = x'rename' ] && [ -z "$3" ] && fatal "$VCSH_COMMAND: please specify a target name" 1
+       [ x"$VCSH_COMMAND" = x'run'    ] && [ -z "$3" ] && fatal "$VCSH_COMMAND: please specify a command" 1
+       VCSH_REPO_NAME=$2; export VCSH_REPO_NAME
+       GIT_DIR=$VCSH_REPO_D/$VCSH_REPO_NAME.git; export GIT_DIR
+       [ x"$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"$VCSH_COMMAND" = x'list-tracked' ] ||
+     [ x"$VCSH_COMMAND" = x'list-untracked' ] ||
+     [ x"$VCSH_COMMAND" = x'pull'   ] ||
+     [ x"$VCSH_COMMAND" = x'push'   ]; then
        :
        :
-elif [ "$VCSH_COMMAND" = 'status' ]; then
-       export VCSH_REPO_NAME="$2"
+elif [ x"$VCSH_COMMAND" = x'status' ]; then
+       if [ x"$2" = x'--terse' ]; then
+               VCSH_STATUS_TERSE=1; export VCSH_STATUS_TERSE
+               shift
+       fi
+       VCSH_REPO_NAME=$2; export VCSH_REPO_NAME
 elif [ -n "$2" ]; then
 elif [ -n "$2" ]; then
-       export VCSH_COMMAND='run'
-       export VCSH_REPO_NAME="$1"
-       export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git"
-       [ -d $GIT_DIR ] || { help; exit 1; }
+       VCSH_COMMAND='run'; export VCSH_COMMAND
+       VCSH_REPO_NAME=$1; export VCSH_REPO_NAME
+       GIT_DIR=$VCSH_REPO_D/$VCSH_REPO_NAME.git; export GIT_DIR
+       [ -d "$GIT_DIR" ] || { help; exit 1; }
        shift 1
        set -- "git" "$@"
 elif [ -n "$VCSH_COMMAND" ]; then
        shift 1
        set -- "git" "$@"
 elif [ -n "$VCSH_COMMAND" ]; then
-       export VCSH_COMMAND='enter'
-       export VCSH_REPO_NAME="$1"
-       export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git"
-       [ -d $GIT_DIR ] || { help; exit 1; }
+       VCSH_COMMAND='enter'; export VCSH_COMMAND
+       VCSH_REPO_NAME=$1; export VCSH_REPO_NAME
+       GIT_DIR=$VCSH_REPO_D/$VCSH_REPO_NAME.git; export GIT_DIR
+       [ -d "$GIT_DIR" ] || { help; exit 1; }
 else
        # $1 is empty, or 'help'
        help && exit
 else
        # $1 is empty, or 'help'
        help && exit
@@ -484,9 +621,9 @@ fi
 
 # Did we receive a directory instead of a name?
 # Mangle the input to fit normal operation.
 
 # Did we receive a directory instead of a name?
 # Mangle the input to fit normal operation.
-if echo $VCSH_REPO_NAME | grep -q '/'; then
-       export GIT_DIR=$VCSH_REPO_NAME
-       export VCSH_REPO_NAME=$(basename "$VCSH_REPO_NAME" .git)
+if echo "$VCSH_REPO_NAME" | grep -q '/'; then
+       GIT_DIR=$VCSH_REPO_NAME; export GIT_DIR
+       VCSH_REPO_NAME=$(basename "$VCSH_REPO_NAME" .git); export VCSH_REPO_NAME
 fi
 
 check_dir() {
 fi
 
 check_dir() {
@@ -503,10 +640,21 @@ check_dir() {
 
 check_dir "$VCSH_REPO_D"
 [ ! "x$VCSH_GITIGNORE" = 'xnone' ] && check_dir "$VCSH_BASE/.gitignore.d"
 
 check_dir "$VCSH_REPO_D"
 [ ! "x$VCSH_GITIGNORE" = 'xnone' ] && check_dir "$VCSH_BASE/.gitignore.d"
-check_dir "$VCSH_BASE/.gitattributes.d"
+[ ! "x$VCSH_GITATTRIBUTES" = 'xnone' ] && check_dir "$VCSH_BASE/.gitattributes.d"
 
 verbose "$VCSH_COMMAND begin"
 
 verbose "$VCSH_COMMAND begin"
-export VCSH_COMMAND=$(echo $VCSH_COMMAND | sed 's/-/_/g')
+VCSH_COMMAND=$(echo "$VCSH_COMMAND" | sed 's/-/_/g'); export VCSH_COMMAND
+
+# Source repo-specific configuration file
+[ -r "$XDG_CONFIG_HOME/vcsh/config.d/$VCSH_REPO_NAME" ] && . "$XDG_CONFIG_HOME/vcsh/config.d/$VCSH_REPO_NAME"
+
+# source overlay functions
+for overlay in "$VCSH_OVERLAY_D/$VCSH_COMMAND"* "$VCSH_OVERLAY_D/$VCSH_REPO_NAME.$VCSH_COMMAND"*; do
+       [ -r "$overlay" ] || continue
+       info "sourcing '$overlay'"
+       . "$overlay"
+done
+
 hook pre-command
 $VCSH_COMMAND "$@"
 hook post-command
 hook pre-command
 $VCSH_COMMAND "$@"
 hook post-command
version controlled RC files

Legalese

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

The operator of this repository shall not be held liable for offending content in pages linking to or linked from these page, nor does he endorse their content unless stated otherwise.