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More work on README.md
[code/vcsh.git] / vcsh
diff --git a/vcsh b/vcsh
index bd0eca1ef635c2c847143d27e3f406f211604dc6..cf85e7c1a47ccb00dcba5898d83386bd860fc437 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.mailinglist@gmail.com>, 2011-2012
+# (c) Richard "RichiH" Hartmann <richih.mailinglist@gmail.com>, 2011-2013
 # 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.
 
@@ -9,9 +9,19 @@
 # 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,
 # 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,
+# which is admittedly extremely unlikely to the point of being impossible,
 # this software will most likely follow suit.
 
 # this software will most likely follow suit.
 
+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'
 
 fatal() {
        echo "$SELF: fatal: $1" >&2
 
 fatal() {
        echo "$SELF: fatal: $1" >&2
@@ -21,7 +31,7 @@ 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
@@ -89,7 +99,8 @@ help() {
           <newname>     Rename repository
    run <repo> \\
        <command>        Use this repository
           <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 \\
    <repo>               Write .gitignore.d/<repo> via git ls-files
    which <substring>    Find substring in name of any tracked file
    write-gitignore \\
    <repo>               Write .gitignore.d/<repo> via git ls-files
@@ -168,7 +179,7 @@ git_dir_exists() {
 hook() {
        for hook in $VCSH_HOOK_D/$1* $VCSH_HOOK_D/$VCSH_REPO_NAME.$1*; do
                [ -x "$hook" ] || continue
 hook() {
        for hook in $VCSH_HOOK_D/$1* $VCSH_HOOK_D/$VCSH_REPO_NAME.$1*; do
                [ -x "$hook" ] || continue
-               info "executing '$hook'"
+               verbose "executing '$hook'"
                "$hook"
        done
 }
                "$hook"
        done
 }
@@ -179,7 +190,7 @@ 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() {
@@ -214,18 +225,18 @@ rename() {
 run() {
        hook pre-run
        use
 run() {
        hook pre-run
        use
-       $VCSH_EXTERNAL_COMMAND
+       "$@"
        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() {
@@ -255,9 +266,9 @@ write_gitignore() {
        tempfile=$(mktemp) || fatal "could not create tempfile" 51
        echo '*' > "$tempfile" || fatal "could not write to '$tempfile'" 57
        for gitignore in $gitignores; do
        tempfile=$(mktemp) || fatal "could not create tempfile" 51
        echo '*' > "$tempfile" || fatal "could not write to '$tempfile'" 57
        for gitignore in $gitignores; do
-               echo "$gitignore" | sed 's/^/!/' >> "$tempfile" || fatal "could not write to '$tempfile'" 57
+               echo "$gitignore" | sed 's@^@!/@' >> "$tempfile" || fatal "could not write to '$tempfile'" 57
                if [ x$VCSH_GITIGNORE = x'recursive' ] && [ -d "$gitignore" ]; then
                if [ x$VCSH_GITIGNORE = x'recursive' ] && [ -d "$gitignore" ]; then
-                       { echo "$gitignore/*" | sed 's/^/!/' >> "$tempfile" || fatal "could not write to '$tempfile'" 57; }
+                       { echo "$gitignore/*" | sed 's@^@!/@' >> "$tempfile" || fatal "could not write to '$tempfile'" 57; }
                fi
        done
        if diff -N "$tempfile" "$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME" > /dev/null; then
                fi
        done
        if diff -N "$tempfile" "$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME" > /dev/null; then
@@ -284,6 +295,9 @@ if [ "$1" = 'clone' ]; then
        [ -n "$3" ] && VCSH_REPO_NAME="$3" || VCSH_REPO_NAME=$(basename "$GIT_REMOTE" .git)
        export VCSH_REPO_NAME
        export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git"
        [ -n "$3" ] && VCSH_REPO_NAME="$3" || VCSH_REPO_NAME=$(basename "$GIT_REMOTE" .git)
        export VCSH_REPO_NAME
        export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git"
+elif [ "$1" = 'version' ]; then
+       echo "$SELF $VERSION"
+       exit
 elif [ "$1" = 'which' ]; then
        [ -z "$2" ] && fatal "$1: please specify a filename" 1
        [ -n "$3" ] && fatal "$1: too many parameters" 1
 elif [ "$1" = 'which' ]; then
        [ -z "$2" ] && fatal "$1: please specify a filename" 1
        [ -n "$3" ] && fatal "$1: too many parameters" 1
@@ -295,7 +309,7 @@ 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
@@ -304,7 +318,7 @@ elif [ "$1" = 'delete' ]           ||
        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"
        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 && export VCSH_EXTERNAL_COMMAND="$*"
+       [ "$VCSH_COMMAND" = 'run' ] && shift 2
        [ "$VCSH_COMMAND" = 'write-gitignore' ]
 elif [ "$1" = 'list' ] ||
      [ "$1" = 'list-tracked' ]; then
        [ "$VCSH_COMMAND" = 'write-gitignore' ]
 elif [ "$1" = 'list' ] ||
      [ "$1" = 'list-tracked' ]; then
@@ -315,7 +329,7 @@ elif [ -n "$2" ]; then
        export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git"
        [ -d $GIT_DIR ] || { help; exit 1; }
        shift 1
        export GIT_DIR="$VCSH_REPO_D/$VCSH_REPO_NAME.git"
        [ -d $GIT_DIR ] || { help; exit 1; }
        shift 1
-       export VCSH_EXTERNAL_COMMAND="git $*"
+       set -- "git" "$@"
 elif [ -n "$1" ]; then
        export VCSH_COMMAND='enter'
        export VCSH_REPO_NAME="$1"
 elif [ -n "$1" ]; then
        export VCSH_COMMAND='enter'
        export VCSH_REPO_NAME="$1"
@@ -349,6 +363,6 @@ done
 verbose "$VCSH_COMMAND begin"
 export VCSH_COMMAND=$(echo $VCSH_COMMAND | sed 's/-/_/g')
 hook pre-command
 verbose "$VCSH_COMMAND begin"
 export VCSH_COMMAND=$(echo $VCSH_COMMAND | sed 's/-/_/g')
 hook pre-command
-$VCSH_COMMAND
+$VCSH_COMMAND "$@"
 hook post-command
 verbose "$VCSH_COMMAND end, exiting"
 hook post-command
 verbose "$VCSH_COMMAND end, exiting"
version controlled RC files

Legalese

All content available in this repository is copyright © martin f. krafft, unless otherwise noted.

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.