diff options
author | Johannes Sixt <johannes.sixt@telecom.at> | 2007-06-06 11:43:41 +0400 |
---|---|---|
committer | Junio C Hamano <gitster@pobox.com> | 2007-06-06 23:49:16 +0400 |
commit | 2766ce28150597677bb91c424e6033a298c71510 (patch) | |
tree | 3a9324e53e7a6d2294864bc2f0fa98adeadaa28d | |
parent | 9840906026be807d0882f96396de3a3cdb9fb43e (diff) |
filter-branch: Use rev-list arguments to specify revision ranges.
A subset of commits in a branch used to be specified by options (-k, -r)
as well as the branch tip itself (-s). It is more natural (for git users)
to specify revision ranges like 'master..next' instead. This makes it so.
If no range is specified it defaults to 'HEAD'.
As a consequence, the new name of the filtered branch must be the first
non-option argument. All remaining arguments are passed to 'git rev-list'
unmodified.
The tip of the branch that gets filtered is implied: It is the first
commit that git rev-list would print for the specified range.
Signed-off-by: Johannes Sixt <johannes.sixt@telecom.at>
Acked-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
-rwxr-xr-x | git-filter-branch.sh | 39 | ||||
-rwxr-xr-x | t/t7003-filter-branch.sh | 2 |
2 files changed, 13 insertions, 28 deletions
diff --git a/git-filter-branch.sh b/git-filter-branch.sh index f2b0e273ba..29e0d027ca 100755 --- a/git-filter-branch.sh +++ b/git-filter-branch.sh @@ -42,15 +42,6 @@ # does this in the '.git-rewrite/' directory but you can override # that choice by this parameter. # -# -r STARTREV:: The commit id to start the rewrite at -# Normally, the command will rewrite the entire history. If you -# pass this argument, though, this will be the first commit it -# will rewrite and keep the previous commits intact. -# -# -k KEEPREV:: A commit id until which _not_ to rewrite history -# If you pass this argument, this commit and all of its -# predecessors are kept intact. -# # Filters # ~~~~~~~ # The filters are applied in the order as listed below. The COMMAND @@ -164,27 +155,31 @@ # and all children of the merge will become merge commits with P1,P2 # as their parents instead of the merge commit. # -# To restrict rewriting to only part of the history, use -r or -k or both. +# To restrict rewriting to only part of the history, specify a revision +# range in addition to the new branch name. The new branch name will +# point to the top-most revision that a 'git rev-list' of this range +# will print. +# # Consider this history: # # D--E--F--G--H # / / # A--B-----C # -# To rewrite only commits F,G,H, use: +# To rewrite commits D,E,F,G,H, use: # -# git-filter-branch -r F ... +# git-filter-branch ... new-H C..H # # To rewrite commits E,F,G,H, use one of these: # -# git-filter-branch -r E -k C ... -# git-filter-branch -k D -k C ... +# git-filter-branch ... new-H C..H --not D +# git-filter-branch ... new-H D..H --not C # Testsuite: TODO set -e -USAGE="git-filter-branch [-d TEMPDIR] [-r STARTREV]... [-k KEEPREV]... [-s SRCBRANCH] [FILTERS] DESTBRANCH" +USAGE="git-filter-branch [-d TEMPDIR] [FILTERS] DESTBRANCH [REV-RANGE]" . git-sh-setup map() @@ -232,7 +227,6 @@ get_parents () { } tempdir=.git-rewrite -unchanged=" " filter_env= filter_tree= filter_index= @@ -240,7 +234,6 @@ filter_parent= filter_msg=cat filter_commit='git-commit-tree "$@"' filter_tag_name= -srcbranch=HEAD while case "$#" in 0) usage;; esac do case "$1" in @@ -265,12 +258,6 @@ do -d) tempdir="$OPTARG" ;; - -r) - unchanged="$(get_parents "$OPTARG") $unchanged" - ;; - -k) - unchanged="$(git-rev-parse "$OPTARG"^{commit}) $unchanged" - ;; --env-filter) filter_env="$OPTARG" ;; @@ -292,9 +279,6 @@ do --tag-name-filter) filter_tag_name="$OPTARG" ;; - -s) - srcbranch="$OPTARG" - ;; *) usage ;; @@ -302,6 +286,7 @@ do done dstbranch="$1" +shift test -n "$dstbranch" || die "missing branch name" git-show-ref "refs/heads/$dstbranch" 2> /dev/null && die "branch $dstbranch already exists" @@ -327,7 +312,7 @@ ret=0 mkdir ../map # map old->new commit ids for rewriting parents -git-rev-list --reverse --topo-order $srcbranch --not $unchanged >../revs +git-rev-list --reverse --topo-order --default HEAD "$@" >../revs commits=$(cat ../revs | wc -l | tr -d " ") test $commits -eq 0 && die "Found nothing to rewrite" diff --git a/t/t7003-filter-branch.sh b/t/t7003-filter-branch.sh index 6e2be5be0e..3739cb191d 100755 --- a/t/t7003-filter-branch.sh +++ b/t/t7003-filter-branch.sh @@ -47,7 +47,7 @@ test_expect_success 'test that the file was renamed' ' git tag oldD H3~4 test_expect_success 'rewrite one branch, keeping a side branch' ' - git-filter-branch --tree-filter "mv b boh || :" -k D -s oldD modD + git-filter-branch --tree-filter "mv b boh || :" modD D..oldD ' test_expect_success 'common ancestor is still common (unchanged)' ' |