zshrc: Improve robustness of the bzr backend in vcs_info()

[grml-etc-core.git] / etc / zsh / zshrc

diff --git a/etc/zsh/zshrc b/etc/zsh/zshrc
index 0bb49ad..c3535f2 100644 (file)
--- a/etc/zsh/zshrc
+++ b/etc/zsh/zshrc
@@ -1037,10 +1037,11 @@ fi
 
 # vcs_info() documentation: {{{
 #
-# The vcs_info () feature can be configured via zstyle:
+# The vcs_info() feature can be configured via zstyle:
 #   First, the context in which we are working:
 #       :vcs_info:<vcs-string>
-#   ...where <vcs-string> is one of: git, hg, bzr, svn or svk
+#   ...where <vcs-string> is one of:
+#       - git, git-svn, hg, darcs, bzr, mtn, svn or svk
 #
 #   You can of course use ':vcs_info:*' to match all VCSs at once.
 #
@@ -1053,6 +1054,9 @@ fi
 #                         (like an interactive rebase or a merge conflict)
 #   enable              - check in the 'init' context. If set to false,
 #                         vcs_info() will do nothing.
+#   disable             - provide a list of systems, you don't want
+#                         the prompt to check for repositories (checked
+#                         in the 'init' context, too).
 #
 # The default values for these in all contexts are:
 #   promptformat        " (%s)-[%b|%a]-"
@@ -1070,8 +1074,19 @@ fi
 #
 # Not all vcs backends may support all replacements
 #
+# Examples:
+#   Don't use vcs_info at all (even though it's in your prompt):
+#   % zstyle ':vcs_info:*' enable false
+#
+#   Don't provide prompt info for bzr and svk:
+#   % zstyle ':vcs_info:*' disable bzr svk
+#
+#   Provide a prompt specifically for git:
+#   % zstyle ':vcs_info:git' promptformat       ' GIT, BABY! [%b]'
+#   % zstyle ':vcs_info:git' promptactionformat ' GIT ACTION! [%b|%a]'
+#
 # If you want colors, make sure you enclose the color codes in %{...%}, because
-# the string provided by vcs_info() is commonly used for prompts.
+# the string provided by vcs_info() is used for prompts.
 #
 #   Example: PROMPT='%(?..[%?]-)%3~%$(vcs_info)#'
 #
@@ -1208,6 +1223,15 @@ VCS_INFO_git_get_data () { # {{{
     printf '%s' ${msg}
 }
 # }}}
+VCS_INFO_darcs_get_data () { # {{{
+    local msg darcsbase
+
+    darcsbase=${vcs_comm[basedir]}
+    msg=$(VCS_INFO_format)
+    zformat -f msg "${msg}" "a:" "b:${darcsbase:t}" "s:${vcs}" "r:${darcsbase:t}" "R:${darcsbase}"
+    printf '%s' ${msg}
+}
+# }}}
 VCS_INFO_hg_get_data () { # {{{
     local msg hgbranch hgbase
 
@@ -1218,6 +1242,16 @@ VCS_INFO_hg_get_data () { # {{{
     printf '%s' ${msg}
 }
 # }}}
+VCS_INFO_mtn_get_data () { # {{{
+    local msg mtnbranch mtnbase
+
+    mtnbase=${vcs_comm[basedir]}
+    mtnbranch=$(mtn status | awk '/Current branch:/{ sub("Current branch: ", ""); print }')
+    msg=$(VCS_INFO_format)
+    zformat -f msg "${msg}" "a:" "b:${mtnbranch}" "s:${vcs}" "r:${mtnbase:t}" "R:${mtnbase}"
+    printf '%s' ${msg}
+}
+# }}}
 VCS_INFO_svk_get_data () { # {{{
     local msg svkbranch svkbase
 
@@ -1250,12 +1284,10 @@ VCS_INFO_svn_get_data () { # {{{
 VCS_INFO_bzr_get_data () { # {{{
     local msg bzrbranch bzrbase bzrrevno i j
 
-    bzrbase=$(bzr info | sed -rne 's, *branch root: ,,p')
-    case ${bzrbase} in
-        .) bzrbase=${PWD} ;;
-    esac
+    bzrbase=$(bzr info 2>/dev/null | sed -rne 's, *branch root: ,,p')
+    bzrbase=$(VCS_INFO_realpath ${bzrbase})
 
-    bzr version-info | while read i j; do
+    bzr version-info 2> /dev/null | while read i j; do
         case "${i}" in
             revno:)
                 bzrrevno=${j} ;;
@@ -1296,10 +1328,18 @@ VCS_INFO_detect_by_dir() {
 
 VCS_INFO_bzr_detect() {
     check_com -c bzr || return 1
+    vcs_comm[detect_need_file]=branch/format
     VCS_INFO_detect_by_dir '.bzr'
     return $?
 }
 
+VCS_INFO_darcs_detect() {
+    check_com -c darcs || return 1
+    vcs_comm[detect_need_file]=format
+    VCS_INFO_detect_by_dir '_darcs'
+    return $?
+}
+
 VCS_INFO_git_detect() {
     if check_com -c git && git rev-parse --is-inside-work-tree &> /dev/null ; then
         vcs_comm[gitdir]="$(git rev-parse --git-dir 2> /dev/null)" || return 1
@@ -1316,6 +1356,13 @@ VCS_INFO_hg_detect() {
     return $?
 }
 
+VCS_INFO_mtn_detect() {
+    check_com -c mtn || return 1
+    vcs_comm[detect_need_file]=revision
+    VCS_INFO_detect_by_dir '_MTN'
+    return $?
+}
+
 VCS_INFO_svk_detect() {
     local basedir
 
@@ -1338,17 +1385,19 @@ VCS_INFO_svn_detect() {
 vcs_info () { # {{{
     local string
     local -i found
-    local -a VCSs
+    local -a VCSs disabled
     local -x vcs
     local -Ax vcs_comm
 
     vcs="init"
     zstyle -T ":vcs_info:${vcs}" "enable" || return 0
+    zstyle -a ":vcs_info:${vcs}" "disable" disabled
 
-    VCSs=(git hg bzr svn svk)
+    VCSs=(git hg bzr darcs mtn svn svk)
 
     (( found = 0 ))
     for vcs in ${VCSs} ; do
+        [[ -n ${(M)disabled:#${vcs}} ]] && continue
         vcs_comm=()
         VCS_INFO_${vcs}_detect && (( found = 1 )) && break
     done