зеркало из https://github.com/microsoft/git.git
Merge branch 'rh/prompt-pcmode-avoid-eval-on-refname'
* rh/prompt-pcmode-avoid-eval-on-refname: git-prompt.sh: don't put unsanitized branch names in $PS1
This commit is contained in:
Junio C Hamano
Коммит
f7003da0f4
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@ -207,7 +207,18 @@ __git_ps1_show_upstream ()
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p=" u+${count#* }-${count% *}" ;;
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esac
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if [[ -n "$count" && -n "$name" ]]; then
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p="$p $(git rev-parse --abbrev-ref "$upstream" 2>/dev/null)"
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__git_ps1_upstream_name=$(git rev-parse \
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--abbrev-ref "$upstream" 2>/dev/null)
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if [ $pcmode = yes ]; then
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# see the comments around the
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# __git_ps1_branch_name variable below
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p="$p \${__git_ps1_upstream_name}"
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else
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p="$p ${__git_ps1_upstream_name}"
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# not needed anymore; keep user's
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# environment clean
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unset __git_ps1_upstream_name
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fi
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fi
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fi
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@ -445,8 +456,27 @@ __git_ps1 ()
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__git_ps1_colorize_gitstring
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fi
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b=${b##refs/heads/}
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if [ $pcmode = yes ]; then
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# In pcmode (and only pcmode) the contents of
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# $gitstring are subject to expansion by the shell.
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# Avoid putting the raw ref name in the prompt to
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# protect the user from arbitrary code execution via
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# specially crafted ref names (e.g., a ref named
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# '$(IFS=_;cmd=sudo_rm_-rf_/;$cmd)' would execute
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# 'sudo rm -rf /' when the prompt is drawn). Instead,
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# put the ref name in a new global variable (in the
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# __git_ps1_* namespace to avoid colliding with the
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# user's environment) and reference that variable from
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# PS1.
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__git_ps1_branch_name=$b
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# note that the $ is escaped -- the variable will be
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# expanded later (when it's time to draw the prompt)
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b="\${__git_ps1_branch_name}"
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fi
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local f="$w$i$s$u"
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local gitstring="$c${b##refs/heads/}${f:+$z$f}$r$p"
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local gitstring="$c$b${f:+$z$f}$r$p"
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if [ $pcmode = yes ]; then
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if [ "${__git_printf_supports_v-}" != yes ]; then
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@ -452,53 +452,53 @@ test_expect_success 'prompt - format string starting with dash' '
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'
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test_expect_success 'prompt - pc mode' '
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printf "BEFORE: (master):AFTER" >expected &&
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printf "BEFORE: (\${__git_ps1_branch_name}):AFTER\\nmaster" >expected &&
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printf "" >expected_output &&
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(
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__git_ps1 "BEFORE:" ":AFTER" >"$actual" &&
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test_cmp expected_output "$actual" &&
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printf "%s" "$PS1" >"$actual"
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printf "%s\\n%s" "$PS1" "${__git_ps1_branch_name}" >"$actual"
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) &&
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test_cmp expected "$actual"
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'
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test_expect_success 'prompt - bash color pc mode - branch name' '
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printf "BEFORE: (${c_green}master${c_clear}):AFTER" >expected &&
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printf "BEFORE: (${c_green}\${__git_ps1_branch_name}${c_clear}):AFTER\\nmaster" >expected &&
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(
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GIT_PS1_SHOWCOLORHINTS=y &&
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__git_ps1 "BEFORE:" ":AFTER" >"$actual"
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printf "%s" "$PS1" >"$actual"
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printf "%s\\n%s" "$PS1" "${__git_ps1_branch_name}" >"$actual"
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) &&
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test_cmp expected "$actual"
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'
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test_expect_success 'prompt - bash color pc mode - detached head' '
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printf "BEFORE: (${c_red}(%s...)${c_clear}):AFTER" $(git log -1 --format="%h" b1^) >expected &&
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printf "BEFORE: (${c_red}\${__git_ps1_branch_name}${c_clear}):AFTER\\n(%s...)" $(git log -1 --format="%h" b1^) >expected &&
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git checkout b1^ &&
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test_when_finished "git checkout master" &&
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(
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GIT_PS1_SHOWCOLORHINTS=y &&
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__git_ps1 "BEFORE:" ":AFTER" &&
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printf "%s" "$PS1" >"$actual"
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printf "%s\\n%s" "$PS1" "${__git_ps1_branch_name}" >"$actual"
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) &&
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test_cmp expected "$actual"
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'
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test_expect_success 'prompt - bash color pc mode - dirty status indicator - dirty worktree' '
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printf "BEFORE: (${c_green}master${c_clear} ${c_red}*${c_clear}):AFTER" >expected &&
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printf "BEFORE: (${c_green}\${__git_ps1_branch_name}${c_clear} ${c_red}*${c_clear}):AFTER\\nmaster" >expected &&
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echo "dirty" >file &&
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test_when_finished "git reset --hard" &&
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(
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GIT_PS1_SHOWDIRTYSTATE=y &&
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GIT_PS1_SHOWCOLORHINTS=y &&
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__git_ps1 "BEFORE:" ":AFTER" &&
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printf "%s" "$PS1" >"$actual"
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printf "%s\\n%s" "$PS1" "${__git_ps1_branch_name}" >"$actual"
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) &&
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test_cmp expected "$actual"
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'
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test_expect_success 'prompt - bash color pc mode - dirty status indicator - dirty index' '
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printf "BEFORE: (${c_green}master${c_clear} ${c_green}+${c_clear}):AFTER" >expected &&
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printf "BEFORE: (${c_green}\${__git_ps1_branch_name}${c_clear} ${c_green}+${c_clear}):AFTER\\nmaster" >expected &&
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echo "dirty" >file &&
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test_when_finished "git reset --hard" &&
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git add -u &&
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@ -506,13 +506,13 @@ test_expect_success 'prompt - bash color pc mode - dirty status indicator - dirt
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GIT_PS1_SHOWDIRTYSTATE=y &&
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GIT_PS1_SHOWCOLORHINTS=y &&
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__git_ps1 "BEFORE:" ":AFTER" &&
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printf "%s" "$PS1" >"$actual"
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printf "%s\\n%s" "$PS1" "${__git_ps1_branch_name}" >"$actual"
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) &&
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test_cmp expected "$actual"
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'
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test_expect_success 'prompt - bash color pc mode - dirty status indicator - dirty index and worktree' '
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printf "BEFORE: (${c_green}master${c_clear} ${c_red}*${c_green}+${c_clear}):AFTER" >expected &&
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printf "BEFORE: (${c_green}\${__git_ps1_branch_name}${c_clear} ${c_red}*${c_green}+${c_clear}):AFTER\\nmaster" >expected &&
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echo "dirty index" >file &&
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test_when_finished "git reset --hard" &&
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git add -u &&
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@ -521,25 +521,25 @@ test_expect_success 'prompt - bash color pc mode - dirty status indicator - dirt
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GIT_PS1_SHOWCOLORHINTS=y &&
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GIT_PS1_SHOWDIRTYSTATE=y &&
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__git_ps1 "BEFORE:" ":AFTER" &&
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printf "%s" "$PS1" >"$actual"
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printf "%s\\n%s" "$PS1" "${__git_ps1_branch_name}" >"$actual"
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) &&
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test_cmp expected "$actual"
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'
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test_expect_success 'prompt - bash color pc mode - dirty status indicator - before root commit' '
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printf "BEFORE: (${c_green}master${c_clear} ${c_green}#${c_clear}):AFTER" >expected &&
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printf "BEFORE: (${c_green}\${__git_ps1_branch_name}${c_clear} ${c_green}#${c_clear}):AFTER\\nmaster" >expected &&
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(
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GIT_PS1_SHOWDIRTYSTATE=y &&
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GIT_PS1_SHOWCOLORHINTS=y &&
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cd otherrepo &&
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__git_ps1 "BEFORE:" ":AFTER" &&
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printf "%s" "$PS1" >"$actual"
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printf "%s\\n%s" "$PS1" "${__git_ps1_branch_name}" >"$actual"
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) &&
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test_cmp expected "$actual"
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'
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test_expect_success 'prompt - bash color pc mode - inside .git directory' '
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printf "BEFORE: (${c_green}GIT_DIR!${c_clear}):AFTER" >expected &&
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printf "BEFORE: (${c_green}\${__git_ps1_branch_name}${c_clear}):AFTER\\nGIT_DIR!" >expected &&
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echo "dirty" >file &&
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test_when_finished "git reset --hard" &&
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(
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@ -547,13 +547,13 @@ test_expect_success 'prompt - bash color pc mode - inside .git directory' '
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GIT_PS1_SHOWCOLORHINTS=y &&
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cd .git &&
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__git_ps1 "BEFORE:" ":AFTER" &&
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printf "%s" "$PS1" >"$actual"
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printf "%s\\n%s" "$PS1" "${__git_ps1_branch_name}" >"$actual"
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) &&
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test_cmp expected "$actual"
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'
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test_expect_success 'prompt - bash color pc mode - stash status indicator' '
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printf "BEFORE: (${c_green}master${c_clear} ${c_lblue}\$${c_clear}):AFTER" >expected &&
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printf "BEFORE: (${c_green}\${__git_ps1_branch_name}${c_clear} ${c_lblue}\$${c_clear}):AFTER\\nmaster" >expected &&
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echo 2 >file &&
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git stash &&
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test_when_finished "git stash drop" &&
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@ -561,29 +561,29 @@ test_expect_success 'prompt - bash color pc mode - stash status indicator' '
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GIT_PS1_SHOWSTASHSTATE=y &&
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GIT_PS1_SHOWCOLORHINTS=y &&
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__git_ps1 "BEFORE:" ":AFTER" &&
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printf "%s" "$PS1" >"$actual"
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printf "%s\\n%s" "$PS1" "${__git_ps1_branch_name}" >"$actual"
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) &&
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test_cmp expected "$actual"
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'
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test_expect_success 'prompt - bash color pc mode - untracked files status indicator' '
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printf "BEFORE: (${c_green}master${c_clear} ${c_red}%%${c_clear}):AFTER" >expected &&
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printf "BEFORE: (${c_green}\${__git_ps1_branch_name}${c_clear} ${c_red}%%${c_clear}):AFTER\\nmaster" >expected &&
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(
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GIT_PS1_SHOWUNTRACKEDFILES=y &&
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GIT_PS1_SHOWCOLORHINTS=y &&
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__git_ps1 "BEFORE:" ":AFTER" &&
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printf "%s" "$PS1" >"$actual"
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printf "%s\\n%s" "$PS1" "${__git_ps1_branch_name}" >"$actual"
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) &&
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test_cmp expected "$actual"
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'
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test_expect_success 'prompt - zsh color pc mode' '
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printf "BEFORE: (%%F{green}master%%f):AFTER" >expected &&
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printf "BEFORE: (%%F{green}\${__git_ps1_branch_name}%%f):AFTER\\nmaster" >expected &&
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(
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ZSH_VERSION=5.0.0 &&
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GIT_PS1_SHOWCOLORHINTS=y &&
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__git_ps1 "BEFORE:" ":AFTER" >"$actual"
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printf "%s" "$PS1" >"$actual"
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printf "%s\\n%s" "$PS1" "${__git_ps1_branch_name}" >"$actual"
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) &&
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test_cmp expected "$actual"
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'
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