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-rw-r--r--contrib/completion/git-completion.bash95
-rwxr-xr-xt/t9902-completion.sh17
2 files changed, 83 insertions, 29 deletions
diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index fb50b4d..03100c4 100644
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -1135,6 +1135,40 @@ __git_find_on_cmdline ()
done
}
+# Similar to __git_find_on_cmdline, except that it loops backwards and thus
+# prints the *last* word found. Useful for finding which of two options that
+# supersede each other came last, such as "--guess" and "--no-guess".
+#
+# Usage: __git_find_last_on_cmdline [<option>]... "<wordlist>"
+# --show-idx: Optionally show the index of the found word in the $words array.
+__git_find_last_on_cmdline ()
+{
+ local word c=$cword show_idx
+
+ while test $# -gt 1; do
+ case "$1" in
+ --show-idx) show_idx=y ;;
+ *) return 1 ;;
+ esac
+ shift
+ done
+ local wordlist="$1"
+
+ while [ $c -gt 1 ]; do
+ ((c--))
+ for word in $wordlist; do
+ if [ "$word" = "${words[c]}" ]; then
+ if [ -n "$show_idx" ]; then
+ echo "$c $word"
+ else
+ echo "$word"
+ fi
+ return
+ fi
+ done
+ done
+}
+
# Echo the value of an option set on the command line or config
#
# $1: short option name
@@ -1389,6 +1423,46 @@ _git_bundle ()
esac
}
+# Helper function to decide whether or not we should enable DWIM logic for
+# git-switch and git-checkout.
+#
+# To decide between the following rules in priority order
+# 1) the last provided of "--guess" or "--no-guess" explicitly enable or
+# disable completion of DWIM logic respectively.
+# 2) If the --no-track option is provided, take this as a hint to disable the
+# DWIM completion logic
+# 3) If GIT_COMPLETION_CHECKOUT_NO_GUESS is set, disable the DWIM completion
+# logic, as requested by the user.
+# 4) Enable DWIM logic otherwise.
+#
+__git_checkout_default_dwim_mode ()
+{
+ local last_option dwim_opt="--dwim"
+
+ if [ "$GIT_COMPLETION_CHECKOUT_NO_GUESS" = "1" ]; then
+ dwim_opt=""
+ fi
+
+ # --no-track disables DWIM, but with lower priority than
+ # --guess/--no-guess
+ if [ -n "$(__git_find_on_cmdline "--no-track")" ]; then
+ dwim_opt=""
+ fi
+
+ # Find the last provided --guess or --no-guess
+ last_option="$(__git_find_last_on_cmdline "--guess --no-guess")"
+ case "$last_option" in
+ --guess)
+ dwim_opt="--dwim"
+ ;;
+ --no-guess)
+ dwim_opt=""
+ ;;
+ esac
+
+ echo "$dwim_opt"
+}
+
_git_checkout ()
{
__git_has_doubledash && return
@@ -1401,13 +1475,7 @@ _git_checkout ()
__gitcomp_builtin checkout
;;
*)
- # check if --track, --no-track, or --no-guess was specified
- # if so, disable DWIM mode
- local flags="--track --no-track --no-guess" dwim_opt="--dwim"
- if [ "$GIT_COMPLETION_CHECKOUT_NO_GUESS" = "1" ] ||
- [ -n "$(__git_find_on_cmdline "$flags")" ]; then
- dwim_opt=''
- fi
+ local dwim_opt="$(__git_checkout_default_dwim_mode)"
__git_complete_refs $dwim_opt
;;
esac
@@ -2256,18 +2324,7 @@ _git_switch ()
__gitcomp_builtin switch
;;
*)
- # check if --track, --no-track, or --no-guess was specified
- # if so, disable DWIM mode
- local dwim_opt="--dwim" only_local_ref=n
- if [ "$GIT_COMPLETION_CHECKOUT_NO_GUESS" = "1" ] ||
- [ -n "$(__git_find_on_cmdline "--track --no-track --no-guess")" ]; then
- dwim_opt=''
- fi
- # explicit --guess enables DWIM mode regardless of
- # $GIT_COMPLETION_CHECKOUT_NO_GUESS
- if [ -n "$(__git_find_on_cmdline "--guess")" ]; then
- dwim_opt='--dwim'
- fi
+ local dwim_opt="$(__git_checkout_default_dwim_mode)" only_local_ref=n
if [ -z "$(__git_find_on_cmdline "-d --detach")" ]; then
only_local_ref=y
else
diff --git a/t/t9902-completion.sh b/t/t9902-completion.sh
index 8375c4d..2ce2c23 100755
--- a/t/t9902-completion.sh
+++ b/t/t9902-completion.sh
@@ -1277,7 +1277,6 @@ test_expect_success 'git switch - with GIT_COMPLETION_CHECKOUT_NO_GUESS=1, compl
EOF
'
-#TODO: --guess/--no-guess ordering is not taken into account
#TODO: git switch completion includes unexpected references
test_expect_failure 'git switch - --guess overrides GIT_COMPLETION_CHECKOUT_NO_GUESS=1, complete local branches and unique remote names for DWIM logic' '
GIT_COMPLETION_CHECKOUT_NO_GUESS=1 test_completion "git switch --guess " <<-\EOF
@@ -1288,7 +1287,6 @@ test_expect_failure 'git switch - --guess overrides GIT_COMPLETION_CHECKOUT_NO_G
EOF
'
-#TODO: --guess/--no-guess ordering is not taken into account
#TODO: git switch completion includes unexpected references
test_expect_failure 'git switch - a later --guess overrides previous --no-guess, complete local and remote unique branches for DWIM' '
test_completion "git switch --no-guess --guess " <<-\EOF
@@ -1299,8 +1297,7 @@ test_expect_failure 'git switch - a later --guess overrides previous --no-guess,
EOF
'
-#TODO: --guess/--no-guess ordering is not taken into account
-test_expect_failure 'git switch - a later --no-guess overrides previous --guess, complete only local branches' '
+test_expect_success 'git switch - a later --no-guess overrides previous --guess, complete only local branches' '
test_completion "git switch --guess --no-guess " <<-\EOF
master Z
matching-branch Z
@@ -1318,8 +1315,7 @@ test_expect_success 'git checkout - with GIT_COMPLETION_NO_GUESS=1 only complete
EOF
'
-#TODO: git checkout does not override variable when --guess is provided
-test_expect_failure 'git checkout - --guess overrides GIT_COMPLETION_NO_GUESS=1, complete refs and unique remote branches for DWIM' '
+test_expect_success 'git checkout - --guess overrides GIT_COMPLETION_NO_GUESS=1, complete refs and unique remote branches for DWIM' '
GIT_COMPLETION_CHECKOUT_NO_GUESS=1 test_completion "git checkout --guess " <<-\EOF
HEAD Z
branch-in-other Z
@@ -1343,8 +1339,7 @@ test_expect_success 'git checkout - with --no-guess, only completes refs' '
EOF
'
-#TODO: --guess/--no-guess ordering is not taken into account
-test_expect_failure 'git checkout - a later --guess overrides previous --no-guess, complete refs and unique remote branches for DWIM' '
+test_expect_success 'git checkout - a later --guess overrides previous --no-guess, complete refs and unique remote branches for DWIM' '
test_completion "git checkout --no-guess --guess " <<-\EOF
HEAD Z
branch-in-other Z
@@ -1544,7 +1539,8 @@ test_expect_failure 'git checkout - with -B, complete all references' '
EOF
'
-test_expect_success 'git checkout - with -b and --track, complete all references' '
+#TODO: completing the start point of -b/-B should not include DWIM references
+test_expect_failure 'git checkout - with -b and --track, complete all references' '
test_completion "git checkout -b new-branch --track " <<-EOF
HEAD Z
master Z
@@ -1555,7 +1551,8 @@ test_expect_success 'git checkout - with -b and --track, complete all references
EOF
'
-test_expect_success 'git checkout - with -B and --track, complete all references' '
+#TODO: completing the start point of -b/-B should not include DWIM references
+test_expect_failure 'git checkout - with -B and --track, complete all references' '
test_completion "git checkout -B new-branch --track " <<-EOF
HEAD Z
master Z