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git_prompt: Merge operation, branch, and bare helpers

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Operation and branch detection are merged together in the original
because branch information may come from different places depending on
the operation.

Merging the bare helper in helps avoid testing for the working
directory and bare status twice, both of which requires forking a new
process.

Also helps the code match the original more, which will make adding
new features easier.
This commit is contained in:
Brian Gernhardt 2013-07-02 11:15:34 -04:00
parent 31b01f8de3
commit 5753fa2106
1 changed files with 41 additions and 49 deletions
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90
share/functions/__fish_git_prompt.fish
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@ -232,13 +232,14 @@ function __fish_git_prompt --description "Prompt function for Git"
set -l git_dir (__fish_git_prompt_git_dir)
test -n "$git_dir"; or return
set -l r (__fish_git_prompt_current_operation $git_dir)
set -l b (__fish_git_prompt_current_branch $git_dir)
set -l rbc (__fish_git_prompt_operation_branch_bare $git_dir)
set -l r $rbc[1] # current operation
set -l b $rbc[2] # current branch
set -l w #dirty working directory
set -l i #staged changes
set -l s #stashes
set -l u #untracked
set -l c (__fish_git_prompt_current_branch_bare)
set -l c $rbc[3] # bare repository
set -l p #upstream
set -l informative_status
@ -379,56 +380,14 @@ function __fish_git_prompt_informative_status
end
function __fish_git_prompt_current_branch_bare --description "__fish_git_prompt helper, tells wheter or not the current branch is bare"
set -l bare
if test "true" = (git rev-parse --is-inside-git-dir ^/dev/null)
if test "true" = (git rev-parse --is-bare-repository ^/dev/null)
set bare "BARE:"
end
end
echo $bare
end
function __fish_git_prompt_current_branch --description "__fish_git_prompt helper, returns the current Git branch"
# Keeping these together avoids many duplicated checks
function __fish_git_prompt_operation_branch_bare --description "__fish_git_prompt helper, returns the current Git operation and branch"
set -l git_dir $argv[1]
set -l branch
set -l os
set branch (git symbolic-ref HEAD ^/dev/null; set os $status)
if test $os -ne 0
set branch (switch "$__fish_git_prompt_describe_style"
case contains
git describe --contains HEAD
case branch
git describe --contains --all HEAD
case describe
git describe HEAD
case default '*'
git describe --tags --exact-match HEAD
end ^/dev/null; set os $status)
if test $os -ne 0
set branch (cut -c1-7 $git_dir/HEAD ^/dev/null; set os $status)
if test $os -ne 0
set branch unknown
end
end
set branch "($branch)"
end
# Let user know they're inside the git dir of a non-bare repo
if test "true" = (git rev-parse --is-inside-git-dir ^/dev/null)
if test "false" = (git rev-parse --is-bare-repository ^/dev/null)
set branch "GIT_DIR!"
end
end
echo $branch
end
function __fish_git_prompt_current_operation --description "__fish_git_prompt helper, returns the current Git operation being performed"
set -l operation
set -l bare
set -l os
set -l git_dir $argv[1]
if test -f $git_dir/rebase-merge/interactive
set operation "|REBASE-i"
else if test -d $git_dir/rebase-merge
@ -450,7 +409,40 @@ function __fish_git_prompt_current_operation --description "__fish_git_prompt he
set operation "|BISECTING"
end
end
set branch (git symbolic-ref HEAD ^/dev/null; set os $status)
if test $os -ne 0
set branch (switch "$__fish_git_prompt_describe_style"
case contains
git describe --contains HEAD
case branch
git describe --contains --all HEAD
case describe
git describe HEAD
case default '*'
git describe --tags --exact-match HEAD
end ^/dev/null; set os $status)
if test $os -ne 0
set branch (cut -c1-7 $git_dir/HEAD ^/dev/null; set os $status)
if test $os -ne 0
set branch unknown
end
end
set branch "($branch)"
end
if test "true" = (git rev-parse --is-inside-git-dir ^/dev/null)
if test "true" = (git rev-parse --is-bare-repository ^/dev/null)
set bare "BARE:"
else
# Let user know they're inside the git dir of a non-bare repo
set branch "GIT_DIR!"
end
end
echo $operation
echo $branch
echo $bare
end
function __fish_git_prompt_git_dir --description "__fish_git_prompt helper, returns .git dir if any"