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Introduce changelog
[code/vcsh.git] / vcsh
diff --git a/vcsh b/vcsh
index ec0301f247822a053b85c9a90a962446377ecc0d..41d5ed03e5669238a726ea51d0e7af6595d51154 100755 (executable)
--- a/vcsh
+++ b/vcsh
@@ -1,15 +1,19 @@
 #!/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, 2011
+# (c) Richard "RichiH" Hartmann <richih.mailinglist@gmail.com>, 2011-2012
 # 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.
 
 
-[ -n "$VCSH_DEBUG" ]      && set -vx
-[ -z "$XDG_CONFIG_HOME" ] && XDG_CONFIG_HOME="$HOME/.config"
-[ -z "$VCSH_REPO_D" ]     && VCSH_REPO_D="$XDG_CONFIG_HOME/vcsh/repo.d"
-[ -z "$VCSH_BASE" ]       && VCSH_BASE="$HOME"
+[ -n "$VCSH_DEBUG" ]                  && set -vx
+[ -z "$XDG_CONFIG_HOME" ]             && XDG_CONFIG_HOME="$HOME/.config"
+[ -r "$XDG_CONFIG_HOME/vcsh/config" ] && . "$XDG_CONFIG_HOME/vcsh/config"
+[ -n "$VCSH_DEBUG" ]                  && set -vx
+[ -z "$VCSH_REPO_D" ]                 && VCSH_REPO_D="$XDG_CONFIG_HOME/vcsh/repo.d"
+[ -z "$VCSH_HOOK_D" ]                 && VCSH_HOOK_D="$XDG_CONFIG_HOME/vcsh/hooks-enabled"
+[ -z "$VCSH_BASE" ]                   && VCSH_BASE="$HOME"
+[ -z "$VCSH_GITIGNORE" ]              && VCSH_GITIGNORE='exact'
 
 SELF=$(basename $0)
 
 
 SELF=$(basename $0)
 
@@ -64,6 +68,10 @@ clone() {
        git remote add origin "$GIT_REMOTE"
        git config branch.master.remote origin
        git config branch.master.merge  refs/heads/master
        git remote add origin "$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"
+               exit
+       fi
        git fetch
        for object in $(git ls-tree -r origin/master | awk '{print $4}'); do
                [ -e "$object" ] &&
        git fetch
        for object in $(git ls-tree -r origin/master | awk '{print $4}'); do
                [ -e "$object" ] &&
@@ -86,9 +94,9 @@ delete() {
 $files
 
 AGAIN, THIS WILL DELETE YOUR DATA!
 $files
 
 AGAIN, THIS WILL DELETE YOUR DATA!
-To continue, type \"Yes, do as I say\""
+To continue, type 'Yes, do as I say'"
        read answer
        read answer
-       [ "x$answer" = "xYes, do as I say" ] || exit 16
+       [ "x$answer" = 'xYes, do as I say' ] || exit 16
        for file in $files; do
                rm -f $file || info "could not delete '$file', continuing with deletion"
        done
        for file in $files; do
                rm -f $file || info "could not delete '$file', continuing with deletion"
        done
@@ -96,14 +104,24 @@ To continue, type \"Yes, do as I say\""
 }
 
 enter() {
 }
 
 enter() {
+       hook pre-enter
        use
        $SHELL
        use
        $SHELL
+       hook post-enter
 }
 
 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
 }
 
+hook() {
+       for hook in $VCSH_HOOK_D/$1* $VCSH_HOOK_D/$VCSH_REPO_NAME.$1*; do
+               [ -x "$hook" ] || continue
+               info "executing '$hook'"
+               "$hook"
+       done
+}
+
 init() {
        [ ! -e "$GIT_DIR" ] || fatal "'$GIT_DIR' exists" 10
        export GIT_WORK_TREE="$VCSH_BASE"
 init() {
        [ ! -e "$GIT_DIR" ] || fatal "'$GIT_DIR' exists" 10
        export GIT_WORK_TREE="$VCSH_BASE"
@@ -143,16 +161,20 @@ rename() {
 }
 
 run() {
 }
 
 run() {
+       hook pre-run
        use
        $VCSH_EXTERNAL_COMMAND
        use
        $VCSH_EXTERNAL_COMMAND
+       hook post-run
 }
 
 setup() {
 }
 
 setup() {
+       hook pre-setup
        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
 }
 
 use() {
 }
 
 use() {
@@ -175,7 +197,9 @@ write_gitignore() {
        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 '*' > "$tempfile" || fatal "could not write to '$tempfile'" 57
        for gitignore in $gitignores; do
                echo "$gitignore" | sed 's/^/!/' >> "$tempfile" || fatal "could not write to '$tempfile'" 57
-               [ -d "$gitignore" ] && { echo "$gitignore/*" | sed 's/^/!/' >> "$tempfile" || fatal "could not write to '$tempfile'" 57; }
+               if [ x$VCSH_GITIGNORE = x'recursive' ] && [ -d "$gitignore" ]; then
+                       { 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
                rm -f "$tempfile" || error "could not delete '$tempfile'"
        done
        if diff -N "$tempfile" "$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME" > /dev/null; then
                rm -f "$tempfile" || error "could not delete '$tempfile'"
@@ -190,6 +214,10 @@ write_gitignore() {
                fatal "could not move '$tempfile' to '$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME'" 53
 }
 
                fatal "could not move '$tempfile' to '$VCSH_BASE/.gitignore.d/$VCSH_REPO_NAME'" 53
 }
 
+if [ ! "x$VCSH_GITIGNORE" = 'xexact' ] && [ ! "x$VCSH_GITIGNORE" = 'xrecursive' ]; then
+       fatal "'\$VCSH_GITIGNORE' must be either 'exact' or 'recursive'" 1
+fi
+
 if [ "$1" = 'clone' ]; then
        [ -z $2 ] && fatal "$1: please specify a remote" 1
        export VCSH_COMMAND="$1"
 if [ "$1" = 'clone' ]; then
        [ -z $2 ] && fatal "$1: please specify a remote" 1
        export VCSH_COMMAND="$1"
@@ -197,13 +225,13 @@ 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" = 'delete' ] ||
-     [ "$1" = 'enter' ] ||
-     [ "$1" = 'init' ] ||
+elif [ "$1" = 'delete' ]          ||
+     [ "$1" = 'enter' ]           ||
+     [ "$1" = 'init' ]            ||
      [ "$1" = 'list-tracked-by' ] ||
      [ "$1" = 'list-tracked-by' ] ||
-     [ "$1" = 'rename' ] ||
-     [ "$1" = 'run' ] ||
-     [ "$1" = 'setup' ] ||
+     [ "$1" = 'rename' ]          ||
+     [ "$1" = 'run' ]             ||
+     [ "$1" = 'setup' ]           ||
      [ "$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
@@ -238,7 +266,7 @@ fi
 # Mangle the input to fit normal operation.
 if echo $VCSH_REPO_NAME | grep -q '/'; then
        export GIT_DIR=$VCSH_REPO_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 $VCSH_REPO_NAME .git)
+       export VCSH_REPO_NAME=$(basename "$VCSH_REPO_NAME" .git)
 fi
 
 
 fi
 
 
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