Merge branch 'sg/rerere-cleanup'

diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index 0a3092f646872867b0060d79c0fd1c85a40e24f4..90ba428e94a5e167192cbabf06fa0ccc2b60c8f7 100755 (executable)
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -62,7 +62,7 @@ esac
 __gitdir ()
 {
        if [ -z "${1-}" ]; then
-               if [ -n "$__git_dir" ]; then
+               if [ -n "${__git_dir-}" ]; then
                        echo "$__git_dir"
                elif [ -d .git ]; then
                        echo .git
@@ -80,68 +80,72 @@ __gitdir ()
 # returns text to add to bash PS1 prompt (includes branch name)
 __git_ps1 ()
 {
-       local g="$(git rev-parse --git-dir 2>/dev/null)"
+       local g="$(__gitdir)"
        if [ -n "$g" ]; then
                local r
                local b
-               if [ -d "$g/rebase-apply" ]
-               then
-                       if test -f "$g/rebase-apply/rebasing"
-                       then
+               if [ -d "$g/rebase-apply" ]; then
+                       if [ -f "$g/rebase-apply/rebasing" ]; then
                                r="|REBASE"
-                       elif test -f "$g/rebase-apply/applying"
-                       then
+               elif [ -f "$g/rebase-apply/applying" ]; then
                                r="|AM"
                        else
                                r="|AM/REBASE"
                        fi
                        b="$(git symbolic-ref HEAD 2>/dev/null)"
-               elif [ -f "$g/rebase-merge/interactive" ]
-               then
+               elif [ -f "$g/rebase-merge/interactive" ]; then
                        r="|REBASE-i"
                        b="$(cat "$g/rebase-merge/head-name")"
-               elif [ -d "$g/rebase-merge" ]
-               then
+               elif [ -d "$g/rebase-merge" ]; then
                        r="|REBASE-m"
                        b="$(cat "$g/rebase-merge/head-name")"
-               elif [ -f "$g/MERGE_HEAD" ]
-               then
+               elif [ -f "$g/MERGE_HEAD" ]; then
                        r="|MERGING"
                        b="$(git symbolic-ref HEAD 2>/dev/null)"
                else
-                       if [ -f "$g/BISECT_LOG" ]
-                       then
+                       if [ -f "$g/BISECT_LOG" ]; then
                                r="|BISECTING"
                        fi
-                       if ! b="$(git symbolic-ref HEAD 2>/dev/null)"
-                       then
-                               if ! b="$(git describe --exact-match HEAD 2>/dev/null)"
-                               then
-                                       b="$(cut -c1-7 "$g/HEAD")..."
+                       if ! b="$(git symbolic-ref HEAD 2>/dev/null)"; then
+                               if ! b="$(git describe --exact-match HEAD 2>/dev/null)"; then
+                                       if [ -r "$g/HEAD" ]; then
+                                               b="$(cut -c1-7 "$g/HEAD")..."
+                                       fi
                                fi
                        fi
                fi
 
                local w
                local i
+               local c
 
-               if test -n "${GIT_PS1_SHOWDIRTYSTATE-}"; then
-                       if test "$(git config --bool bash.showDirtyState)" != "false"; then
-                               git diff --no-ext-diff --ignore-submodules \
-                                       --quiet --exit-code || w="*"
-                               if git rev-parse --quiet --verify HEAD >/dev/null; then
-                                       git diff-index --cached --quiet \
-                                               --ignore-submodules HEAD -- || i="+"
-                               else
-                                       i="#"
+               if [ "true" = "$(git rev-parse --is-inside-git-dir 2>/dev/null)" ]; then
+                       if [ "true" = "$(git config --bool core.bare 2>/dev/null)" ]; then
+                               c="BARE:"
+                       else
+                               b="GIT_DIR!"
+                       fi
+               elif [ "true" = "$(git rev-parse --is-inside-work-tree 2>/dev/null)" ]; then
+                       if [ -n "${GIT_PS1_SHOWDIRTYSTATE-}" ]; then
+                               if [ "$(git config --bool bash.showDirtyState)" != "false" ]; then
+                                       git diff --no-ext-diff --ignore-submodules \
+                                               --quiet --exit-code || w="*"
+                                       if git rev-parse --quiet --verify HEAD >/dev/null; then
+                                               git diff-index --cached --quiet \
+                                                       --ignore-submodules HEAD -- || i="+"
+                                       else
+                                               i="#"
+                                       fi
                                fi
                        fi
                fi
 
-               if [ -n "${1-}" ]; then
-                       printf "$1" "${b##refs/heads/}$w$i$r"
-               else
-                       printf " (%s)" "${b##refs/heads/}$w$i$r"
+               if [ -n "$b" ]; then
+                       if [ -n "${1-}" ]; then
+                               printf "$1" "$c${b##refs/heads/}$w$i$r"
+                       else
+                               printf " (%s)" "$c${b##refs/heads/}$w$i$r"
+                       fi
                fi
        fi
 }
@@ -299,7 +303,7 @@ __git_remotes ()
 
 __git_merge_strategies ()
 {
-       if [ -n "$__git_merge_strategylist" ]; then
+       if [ -n "${__git_merge_strategylist-}" ]; then
                echo "$__git_merge_strategylist"
                return
        fi
@@ -385,7 +389,7 @@ __git_complete_revlist ()
 
 __git_all_commands ()
 {
-       if [ -n "$__git_all_commandlist" ]; then
+       if [ -n "${__git_all_commandlist-}" ]; then
                echo "$__git_all_commandlist"
                return
        fi
@@ -403,7 +407,7 @@ __git_all_commandlist="$(__git_all_commands 2>/dev/null)"
 
 __git_porcelain_commands ()
 {
-       if [ -n "$__git_porcelain_commandlist" ]; then
+       if [ -n "${__git_porcelain_commandlist-}" ]; then
                echo "$__git_porcelain_commandlist"
                return
        fi
@@ -1841,7 +1845,7 @@ _gitk ()
        __git_has_doubledash && return
 
        local cur="${COMP_WORDS[COMP_CWORD]}"
-       local g="$(git rev-parse --git-dir 2>/dev/null)"
+       local g="$(__gitdir)"
        local merge=""
        if [ -f $g/MERGE_HEAD ]; then
                merge="--merge"