X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=git-stash.sh;h=f4e6f05ee212f452a1b3e13c492960a9222029f7;hb=8d9185bc12650a9839dff45a8754f05618cdb3f5;hp=e15c12abc31c1e4d22bb3943d70a65ddf33abb53;hpb=4d9e42f8f11c57b32b976a943c8ddaf6214e64b8;p=git.git diff --git a/git-stash.sh b/git-stash.sh index e15c12abc..f4e6f05ee 100755 --- a/git-stash.sh +++ b/git-stash.sh @@ -3,32 +3,52 @@ dashless=$(basename "$0" | sed -e 's/-/ /') USAGE="list [] - or: $dashless (show | drop | pop ) [] - or: $dashless apply [--index] [] + or: $dashless show [] + or: $dashless drop [-q|--quiet] [] + or: $dashless ( pop | apply ) [--index] [-q|--quiet] [] or: $dashless branch [] - or: $dashless [save [--keep-index] []] + or: $dashless [save [--patch] [-k|--[no-]keep-index] [-q|--quiet] + [-u|--include-untracked] [-a|--all] []] or: $dashless clear" SUBDIRECTORY_OK=Yes OPTIONS_SPEC= +START_DIR=`pwd` . git-sh-setup +. git-sh-i18n require_work_tree cd_to_toplevel TMP="$GIT_DIR/.git-stash.$$" -trap 'rm -f "$TMP-*"' 0 +TMPindex=${GIT_INDEX_FILE-"$GIT_DIR/index"}.stash.$$ +trap 'rm -f "$TMP-"* "$TMPindex"' 0 ref_stash=refs/stash +if git config --get-colorbool color.interactive; then + help_color="$(git config --get-color color.interactive.help 'red bold')" + reset_color="$(git config --get-color '' reset)" +else + help_color= + reset_color= +fi + no_changes () { git diff-index --quiet --cached HEAD --ignore-submodules -- && - git diff-files --quiet --ignore-submodules + git diff-files --quiet --ignore-submodules && + (test -z "$untracked" || test -z "$(untracked_files)") +} + +untracked_files () { + excl_opt=--exclude-standard + test "$untracked" = "all" && excl_opt= + git ls-files -o -z $excl_opt } clear_stash () { if test $# != 0 then - die "git stash clear with parameters is unimplemented" + die "$(gettext "git stash clear with parameters is unimplemented")" fi if current=$(git rev-parse --verify $ref_stash 2>/dev/null) then @@ -38,7 +58,9 @@ clear_stash () { create_stash () { stash_msg="$1" + untracked="$2" + git update-index -q --refresh if no_changes then exit 0 @@ -47,9 +69,9 @@ create_stash () { # state of the base commit if b_commit=$(git rev-parse --verify HEAD) then - head=$(git log --no-color --abbrev-commit --pretty=oneline -n 1 HEAD --) + head=$(git rev-list --oneline -n 1 HEAD --) else - die "You do not have the initial commit yet" + die "$(gettext "You do not have the initial commit yet")" fi if branch=$(git symbolic-ref -q HEAD) @@ -64,20 +86,62 @@ create_stash () { i_tree=$(git write-tree) && i_commit=$(printf 'index on %s\n' "$msg" | git commit-tree $i_tree -p $b_commit) || - die "Cannot save the current index state" + die "$(gettext "Cannot save the current index state")" + + if test -n "$untracked" + then + # Untracked files are stored by themselves in a parentless commit, for + # ease of unpacking later. + u_commit=$( + untracked_files | ( + export GIT_INDEX_FILE="$TMPindex" + rm -f "$TMPindex" && + git update-index -z --add --remove --stdin && + u_tree=$(git write-tree) && + printf 'untracked files on %s\n' "$msg" | git commit-tree $u_tree && + rm -f "$TMPindex" + ) ) || die "Cannot save the untracked files" + + untracked_commit_option="-p $u_commit"; + else + untracked_commit_option= + fi + + if test -z "$patch_mode" + then + + # state of the working tree + w_tree=$( ( + git read-tree --index-output="$TMPindex" -m $i_tree && + GIT_INDEX_FILE="$TMPindex" && + export GIT_INDEX_FILE && + git diff --name-only -z HEAD | git update-index -z --add --remove --stdin && + git write-tree && + rm -f "$TMPindex" + ) ) || + die "$(gettext "Cannot save the current worktree state")" + + else - # state of the working tree - w_tree=$( ( rm -f "$TMP-index" && - cp -p ${GIT_INDEX_FILE-"$GIT_DIR/index"} "$TMP-index" && - GIT_INDEX_FILE="$TMP-index" && - export GIT_INDEX_FILE && - git read-tree -m $i_tree && - git add -u && - git write-tree && - rm -f "$TMP-index" - ) ) || - die "Cannot save the current worktree state" + GIT_INDEX_FILE="$TMP-index" git read-tree HEAD && + + # find out what the user wants + GIT_INDEX_FILE="$TMP-index" \ + git add--interactive --patch=stash -- && + + # state of the working tree + w_tree=$(GIT_INDEX_FILE="$TMP-index" git write-tree) || + die "$(gettext "Cannot save the current worktree state")" + + git diff-tree -p HEAD $w_tree > "$TMP-patch" && + test -s "$TMP-patch" || + die "$(gettext "No changes selected")" + + rm -f "$TMP-index" || + die "$(gettext "Cannot remove temporary index (can't happen)")" + + fi # create the stash if test -z "$stash_msg" @@ -87,42 +151,110 @@ create_stash () { stash_msg=$(printf 'On %s: %s' "$branch" "$stash_msg") fi w_commit=$(printf '%s\n' "$stash_msg" | - git commit-tree $w_tree -p $b_commit -p $i_commit) || - die "Cannot record working tree state" + git commit-tree $w_tree -p $b_commit -p $i_commit $untracked_commit_option) || + die "$(gettext "Cannot record working tree state")" } save_stash () { keep_index= - case "$1" in - --keep-index) - keep_index=t + patch_mode= + untracked= + while test $# != 0 + do + case "$1" in + -k|--keep-index) + keep_index=t + ;; + --no-keep-index) + keep_index=n + ;; + -p|--patch) + patch_mode=t + # only default to keep if we don't already have an override + test -z "$keep_index" && keep_index=t + ;; + -q|--quiet) + GIT_QUIET=t + ;; + -u|--include-untracked) + untracked=untracked + ;; + -a|--all) + untracked=all + ;; + --) + shift + break + ;; + -*) + option="$1" + # TRANSLATORS: $option is an invalid option, like + # `--blah-blah'. The 7 spaces at the beginning of the + # second line correspond to "error: ". So you should line + # up the second line with however many characters the + # translation of "error: " takes in your language. E.g. in + # English this is: + # + # $ git stash save --blah-blah 2>&1 | head -n 2 + # error: unknown option for 'stash save': --blah-blah + # To provide a message, use git stash save -- '--blah-blah' + eval_gettext "$("error: unknown option for 'stash save': \$option + To provide a message, use git stash save -- '\$option'")"; echo + usage + ;; + *) + break + ;; + esac shift - esac + done + + if test -n "$patch_mode" && test -n "$untracked" + then + die "Can't use --patch and ---include-untracked or --all at the same time" + fi stash_msg="$*" + git update-index -q --refresh if no_changes then - echo 'No local changes to save' + say "$(gettext "No local changes to save")" exit 0 fi test -f "$GIT_DIR/logs/$ref_stash" || - clear_stash || die "Cannot initialize stash" + clear_stash || die "$(gettext "Cannot initialize stash")" - create_stash "$stash_msg" + create_stash "$stash_msg" $untracked # Make sure the reflog for stash is kept. : >>"$GIT_DIR/logs/$ref_stash" git update-ref -m "$stash_msg" $ref_stash $w_commit || - die "Cannot save the current status" - printf 'Saved working directory and index state "%s"\n' "$stash_msg" - - git reset --hard + die "$(gettext "Cannot save the current status")" + say Saved working directory and index state "$stash_msg" - if test -n "$keep_index" && test -n $i_tree + if test -z "$patch_mode" then - git read-tree --reset -u $i_tree + git reset --hard ${GIT_QUIET:+-q} + test "$untracked" = "all" && CLEAN_X_OPTION=-x || CLEAN_X_OPTION= + if test -n "$untracked" + then + git clean --force --quiet $CLEAN_X_OPTION + fi + + if test "$keep_index" = "t" && test -n $i_tree + then + git read-tree --reset -u $i_tree + fi + else + git apply -R < "$TMP-patch" || + die "$(gettext "Cannot remove worktree changes")" + + if test "$keep_index" != "t" + then + git reset + fi fi } @@ -132,58 +264,176 @@ have_stash () { list_stash () { have_stash || return 0 - git log --no-color --pretty=oneline -g "$@" $ref_stash -- | - sed -n -e 's/^[.0-9a-f]* refs\///p' + git log --format="%gd: %gs" -g "$@" $ref_stash -- } show_stash () { - flags=$(git rev-parse --no-revs --flags "$@") - if test -z "$flags" - then - flags=--stat - fi - s=$(git rev-parse --revs-only --no-flags --default $ref_stash "$@") + assert_stash_like "$@" + + git diff ${FLAGS:---stat} $b_commit $w_commit +} + +# +# Parses the remaining options looking for flags and +# at most one revision defaulting to ${ref_stash}@{0} +# if none found. +# +# Derives related tree and commit objects from the +# revision, if one is found. +# +# stash records the work tree, and is a merge between the +# base commit (first parent) and the index tree (second parent). +# +# REV is set to the symbolic version of the specified stash-like commit +# IS_STASH_LIKE is non-blank if ${REV} looks like a stash +# IS_STASH_REF is non-blank if the ${REV} looks like a stash ref +# s is set to the SHA1 of the stash commit +# w_commit is set to the commit containing the working tree +# b_commit is set to the base commit +# i_commit is set to the commit containing the index tree +# u_commit is set to the commit containing the untracked files tree +# w_tree is set to the working tree +# b_tree is set to the base tree +# i_tree is set to the index tree +# u_tree is set to the untracked files tree +# +# GIT_QUIET is set to t if -q is specified +# INDEX_OPTION is set to --index if --index is specified. +# FLAGS is set to the remaining flags +# +# dies if: +# * too many revisions specified +# * no revision is specified and there is no stash stack +# * a revision is specified which cannot be resolve to a SHA1 +# * a non-existent stash reference is specified +# + +parse_flags_and_rev() +{ + test "$PARSE_CACHE" = "$*" && return 0 # optimisation + PARSE_CACHE="$*" + + IS_STASH_LIKE= + IS_STASH_REF= + INDEX_OPTION= + s= + w_commit= + b_commit= + i_commit= + u_commit= + w_tree= + b_tree= + i_tree= + u_tree= + + REV=$(git rev-parse --no-flags --symbolic "$@") || exit 1 + + FLAGS= + for opt + do + case "$opt" in + -q|--quiet) + GIT_QUIET=-t + ;; + --index) + INDEX_OPTION=--index + ;; + -*) + FLAGS="${FLAGS}${FLAGS:+ }$opt" + ;; + esac + done + + set -- $REV + + case $# in + 0) + have_stash || die "$(gettext "No stash found.")" + set -- ${ref_stash}@{0} + ;; + 1) + : + ;; + *) + die "$(eval_gettext "Too many revisions specified: \$REV")" + ;; + esac + + REV=$(git rev-parse --quiet --symbolic --verify $1 2>/dev/null) || { + reference="$1" + die "$(eval_gettext "\$reference is not valid reference")" + } + + i_commit=$(git rev-parse --quiet --verify $REV^2 2>/dev/null) && + set -- $(git rev-parse $REV $REV^1 $REV: $REV^1: $REV^2: 2>/dev/null) && + s=$1 && + w_commit=$1 && + b_commit=$2 && + w_tree=$3 && + b_tree=$4 && + i_tree=$5 && + IS_STASH_LIKE=t && + test "$ref_stash" = "$(git rev-parse --symbolic-full-name "${REV%@*}")" && + IS_STASH_REF=t + + u_commit=$(git rev-parse --quiet --verify $REV^3 2>/dev/null) && + u_tree=$(git rev-parse $REV^3: 2>/dev/null) +} - w_commit=$(git rev-parse --verify "$s") && - b_commit=$(git rev-parse --verify "$s^") && - git diff $flags $b_commit $w_commit +is_stash_like() +{ + parse_flags_and_rev "$@" + test -n "$IS_STASH_LIKE" +} + +assert_stash_like() { + is_stash_like "$@" || { + args="$*" + die "$(eval_gettext "'\$args' is not a stash-like commit")" + } +} + +is_stash_ref() { + is_stash_like "$@" && test -n "$IS_STASH_REF" +} + +assert_stash_ref() { + is_stash_ref "$@" || { + args="$*" + die "$(eval_gettext "'\$args' is not a stash reference")" + } } apply_stash () { - git diff-files --quiet --ignore-submodules || - die 'Cannot restore on top of a dirty state' - unstash_index= - case "$1" in - --index) - unstash_index=t - shift - esac + assert_stash_like "$@" + + git update-index -q --refresh || die "$(gettext "unable to refresh index")" # current index state c_tree=$(git write-tree) || - die 'Cannot apply a stash in the middle of a merge' - - # stash records the work tree, and is a merge between the - # base commit (first parent) and the index tree (second parent). - s=$(git rev-parse --revs-only --no-flags --default $ref_stash "$@") && - w_tree=$(git rev-parse --verify "$s:") && - b_tree=$(git rev-parse --verify "$s^1:") && - i_tree=$(git rev-parse --verify "$s^2:") || - die "$*: no valid stashed state found" + die "$(gettext "Cannot apply a stash in the middle of a merge")" unstashed_index_tree= - if test -n "$unstash_index" && test "$b_tree" != "$i_tree" && + if test -n "$INDEX_OPTION" && test "$b_tree" != "$i_tree" && test "$c_tree" != "$i_tree" then git diff-tree --binary $s^2^..$s^2 | git apply --cached test $? -ne 0 && - die 'Conflicts in index. Try without --index.' - unstashed_index_tree=$(git-write-tree) || - die 'Could not save index tree' + die "$(gettext "Conflicts in index. Try without --index.")" + unstashed_index_tree=$(git write-tree) || + die "$(gettext "Could not save index tree")" git reset fi + if test -n "$u_tree" + then + GIT_INDEX_FILE="$TMPindex" git-read-tree "$u_tree" && + GIT_INDEX_FILE="$TMPindex" git checkout-index --all && + rm -f "$TMPindex" || + die 'Could not restore untracked files from stash' + fi + eval " GITHEAD_$w_tree='Stashed changes' && GITHEAD_$c_tree='Updated upstream' && @@ -191,7 +441,11 @@ apply_stash () { export GITHEAD_$w_tree GITHEAD_$c_tree GITHEAD_$b_tree " - if git-merge-recursive $b_tree -- $c_tree $w_tree + if test -n "$GIT_QUIET" + then + GIT_MERGE_VERBOSITY=0 && export GIT_MERGE_VERBOSITY + fi + if git merge-recursive $b_tree -- $c_tree $w_tree then # No conflict if test -n "$unstashed_index_tree" @@ -202,69 +456,78 @@ apply_stash () { git diff-index --cached --name-only --diff-filter=A $c_tree >"$a" && git read-tree --reset $c_tree && git update-index --add --stdin <"$a" || - die "Cannot unstage modified files" + die "$(gettext "Cannot unstage modified files")" rm -f "$a" fi - git status || : + squelch= + if test -n "$GIT_QUIET" + then + squelch='>/dev/null 2>&1' + fi + (cd "$START_DIR" && eval "git status $squelch") || : else # Merge conflict; keep the exit status from merge-recursive status=$? - if test -n "$unstash_index" + if test -n "$INDEX_OPTION" then - echo >&2 'Index was not unstashed.' + ( + gettext "Index was not unstashed." && + echo + ) >&2 fi exit $status fi } -drop_stash () { - have_stash || die 'No stash entries to drop' +pop_stash() { + assert_stash_ref "$@" - if test $# = 0 - then - set x "$ref_stash@{0}" - shift - fi - # Verify supplied argument looks like a stash entry - s=$(git rev-parse --revs-only --no-flags "$@") && - git rev-parse --verify "$s:" > /dev/null 2>&1 && - git rev-parse --verify "$s^1:" > /dev/null 2>&1 && - git rev-parse --verify "$s^2:" > /dev/null 2>&1 || - die "$*: not a valid stashed state" + apply_stash "$@" && + drop_stash "$@" +} + +drop_stash () { + assert_stash_ref "$@" - git reflog delete --updateref --rewrite "$@" && - echo "Dropped $* ($s)" || die "$*: Could not drop stash entry" + git reflog delete --updateref --rewrite "${REV}" && + say "$(eval_gettext "Dropped \${REV} (\$s)")" || + die "$(eval_gettext "\${REV}: Could not drop stash entry")" # clear_stash if we just dropped the last stash entry git rev-parse --verify "$ref_stash@{0}" > /dev/null 2>&1 || clear_stash } apply_to_branch () { - have_stash || die 'Nothing to apply' - - test -n "$1" || die 'No branch name specified' + test -n "$1" || die "$(gettext "No branch name specified")" branch=$1 + shift 1 - if test -z "$2" - then - set x "$ref_stash@{0}" - fi - stash=$2 + set -- --index "$@" + assert_stash_like "$@" - git-checkout -b $branch $stash^ && - apply_stash --index $stash && - drop_stash $stash + git checkout -b $branch $REV^ && + apply_stash "$@" && { + test -z "$IS_STASH_REF" || drop_stash "$@" + } } +PARSE_CACHE='--not-parsed' +# The default command is "save" if nothing but options are given +seen_non_option= +for opt +do + case "$opt" in + -*) ;; + *) seen_non_option=t; break ;; + esac +done + +test -n "$seen_non_option" || set "save" "$@" + # Main command set case "$1" in list) shift - if test $# = 0 - then - set x -n 10 - shift - fi list_stash "$@" ;; show) @@ -296,23 +559,20 @@ drop) ;; pop) shift - if apply_stash "$@" - then - test -z "$unstash_index" || shift - drop_stash "$@" - fi + pop_stash "$@" ;; branch) shift apply_to_branch "$@" ;; *) - if test $# -eq 0 - then + case $# in + 0) save_stash && - echo '(To restore them type "git stash apply")' - else + say "$(gettext "(To restore them type \"git stash apply\")")" + ;; + *) usage - fi + esac ;; esac