diff options
Diffstat (limited to 'contrib/subtree/git-subtree.sh')
| -rwxr-xr-x | contrib/subtree/git-subtree.sh | 64 |
1 files changed, 52 insertions, 12 deletions
diff --git a/contrib/subtree/git-subtree.sh b/contrib/subtree/git-subtree.sh index e0c5d3b0de..5dab3f506c 100755 --- a/contrib/subtree/git-subtree.sh +++ b/contrib/subtree/git-subtree.sh @@ -373,7 +373,8 @@ try_remove_previous () { # Usage: process_subtree_split_trailer SPLIT_HASH MAIN_HASH [REPOSITORY] process_subtree_split_trailer () { - assert test $# = 2 -o $# = 3 + assert test $# -ge 2 + assert test $# -le 3 b="$1" sq="$2" repository="" @@ -402,7 +403,8 @@ process_subtree_split_trailer () { # Usage: find_latest_squash DIR [REPOSITORY] find_latest_squash () { - assert test $# = 1 -o $# = 2 + assert test $# -ge 1 + assert test $# -le 2 dir="$1" repository="" if test "$#" = 2 @@ -455,7 +457,8 @@ find_latest_squash () { # Usage: find_existing_splits DIR REV [REPOSITORY] find_existing_splits () { - assert test $# = 2 -o $# = 3 + assert test $# -ge 2 + assert test $# -le 3 debug "Looking for prior splits..." local indent=$(($indent + 1)) @@ -489,13 +492,13 @@ find_existing_splits () { ;; END) debug "Main is: '$main'" - if test -z "$main" -a -n "$sub" + if test -z "$main" && test -n "$sub" then # squash commits refer to a subtree debug " Squash: $sq from $sub" cache_set "$sq" "$sub" fi - if test -n "$main" -a -n "$sub" + if test -n "$main" && test -n "$sub" then debug " Prior: $main -> $sub" cache_set $main $sub @@ -638,10 +641,16 @@ subtree_for_commit () { while read mode type tree name do assert test "$name" = "$dir" - assert test "$type" = "tree" -o "$type" = "commit" - test "$type" = "commit" && continue # ignore submodules - echo $tree - break + + case "$type" in + commit) + continue;; # ignore submodules + tree) + echo $tree + break;; + *) + die "fatal: tree entry is of type ${type}, expected tree or commit";; + esac done || exit $? } @@ -778,6 +787,22 @@ ensure_valid_ref_format () { die "fatal: '$1' does not look like a ref" } +# Usage: check if a commit from another subtree should be +# ignored from processing for splits +should_ignore_subtree_split_commit () { + assert test $# = 1 + local rev="$1" + if test -n "$(git log -1 --grep="git-subtree-dir:" $rev)" + then + if test -z "$(git log -1 --grep="git-subtree-mainline:" $rev)" && + test -z "$(git log -1 --grep="git-subtree-dir: $arg_prefix$" $rev)" + then + return 0 + fi + fi + return 1 +} + # Usage: process_split_commit REV PARENTS process_split_commit () { assert test $# = 2 @@ -916,7 +941,7 @@ cmd_split () { if test $# -eq 0 then rev=$(git rev-parse HEAD) - elif test $# -eq 1 -o $# -eq 2 + elif test $# -eq 1 || test $# -eq 2 then rev=$(git rev-parse -q --verify "$1^{commit}") || die "fatal: '$1' does not refer to a commit" @@ -963,7 +988,19 @@ cmd_split () { eval "$grl" | while read rev parents do - process_split_commit "$rev" "$parents" + if should_ignore_subtree_split_commit "$rev" + then + continue + fi + parsedparents='' + for parent in $parents + do + if ! should_ignore_subtree_split_commit "$parent" + then + parsedparents="$parsedparents$parent " + fi + done + process_split_commit "$rev" "$parsedparents" done || exit $? latest_new=$(cache_get latest_new) || exit $? @@ -1006,8 +1043,11 @@ cmd_split () { # Usage: cmd_merge REV [REPOSITORY] cmd_merge () { - test $# -eq 1 -o $# -eq 2 || + if test $# -lt 1 || test $# -gt 2 + then die "fatal: you must provide exactly one revision, and optionally a repository. Got: '$*'" + fi + rev=$(git rev-parse -q --verify "$1^{commit}") || die "fatal: '$1' does not refer to a commit" repository="" |