completion: fix PS1 display during an AM on detached HEAD

[git.git] / contrib / completion / git-completion.bash

diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index ad26b7c5aea0dbc0349d0b8bed19112b63fee994..c84d765ff9e5adb9636755591719ff9cd561e19c 100755 (executable)
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -84,35 +84,45 @@ __git_ps1 ()
        if [ -n "$g" ]; then
                local r
                local b
-               if [ -d "$g/rebase-apply" ]; then
-                       if [ -f "$g/rebase-apply/rebasing" ]; then
-                               r="|REBASE"
-               elif [ -f "$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
+               if [ -f "$g/rebase-merge/interactive" ]; then
                        r="|REBASE-i"
                        b="$(cat "$g/rebase-merge/head-name")"
                elif [ -d "$g/rebase-merge" ]; then
                        r="|REBASE-m"
                        b="$(cat "$g/rebase-merge/head-name")"
-               elif [ -f "$g/MERGE_HEAD" ]; then
-                       r="|MERGING"
-                       b="$(git symbolic-ref HEAD 2>/dev/null)"
                else
-                       if [ -f "$g/BISECT_LOG" ]; then
-                               r="|BISECTING"
-                       fi
-                       if ! b="$(git symbolic-ref HEAD 2>/dev/null)"; then
-                               if ! b="$(git describe --exact-match HEAD 2>/dev/null)"; then
-                                       if [ -r "$g/HEAD" ]; then
-                                               b="$(cut -c1-7 "$g/HEAD")..."
-                                       fi
+                       if [ -d "$g/rebase-apply" ]; then
+                               if [ -f "$g/rebase-apply/rebasing" ]; then
+                                       r="|REBASE"
+                               elif [ -f "$g/rebase-apply/applying" ]; then
+                                       r="|AM"
+                               else
+                                       r="|AM/REBASE"
                                fi
+                       elif [ -f "$g/MERGE_HEAD" ]; then
+                               r="|MERGING"
+                       elif [ -f "$g/BISECT_LOG" ]; then
+                               r="|BISECTING"
                        fi
+
+                       b="$(git symbolic-ref HEAD 2>/dev/null)" || {
+
+                               b="$(
+                               case "${GIT_PS1_DESCRIBE_STYLE-}" in
+                               (contains)
+                                       git describe --contains HEAD ;;
+                               (branch)
+                                       git describe --contains --all HEAD ;;
+                               (describe)
+                                       git describe HEAD ;;
+                               (* | default)
+                                       git describe --exact-match HEAD ;;
+                               esac 2>/dev/null)" ||
+
+                               b="$(cut -c1-7 "$g/HEAD" 2>/dev/null)..." ||
+                               b="unknown"
+                               b="($b)"
+                       }
                fi
 
                local w
@@ -120,7 +130,7 @@ __git_ps1 ()
                local c
 
                if [ "true" = "$(git rev-parse --is-inside-git-dir 2>/dev/null)" ]; then
-                       if [ "true" = "$(git config --bool core.bare 2>/dev/null)" ]; then
+                       if [ "true" = "$(git rev-parse --is-bare-repository 2>/dev/null)" ]; then
                                c="BARE:"
                        else
                                b="GIT_DIR!"
@@ -1382,7 +1392,8 @@ _git_config ()
                __gitcomp "$(__git_merge_strategies)"
                return
                ;;
-       color.branch|color.diff|color.interactive|color.status|color.ui)
+       color.branch|color.diff|color.interactive|\
+       color.showbranch|color.status|color.ui)
                __gitcomp "always never auto"
                return
                ;;
@@ -1531,6 +1542,7 @@ _git_config ()
                color.interactive.help
                color.interactive.prompt
                color.pager
+               color.showbranch
                color.status
                color.status.added
                color.status.changed
@@ -1825,7 +1837,7 @@ _git_show ()
                return
                ;;
        --*)
-               __gitcomp "--pretty= --format=
+               __gitcomp "--pretty= --format= --abbrev-commit --oneline
                        $__git_diff_common_options
                        "
                return
@@ -1842,7 +1854,8 @@ _git_show_branch ()
                __gitcomp "
                        --all --remotes --topo-order --current --more=
                        --list --independent --merge-base --no-name
-                       --sha1-name --topics --reflog
+                       --color --no-color
+                       --sha1-name --sparse --topics --reflog
                        "
                return
                ;;