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Split "git-pull-script" into two parts
authorLinus Torvalds <torvalds@ppc970.osdl.org>
Thu, 5 May 2005 18:43:30 +0000 (11:43 -0700)
committerLinus Torvalds <torvalds@ppc970.osdl.org>
Thu, 5 May 2005 18:43:30 +0000 (11:43 -0700)
Separate out the merge resolve from the actual getting of the
data. Also, update the resolve phase to take advantage of the
fact that we don't need to do the commit->tree object lookup
by hand, since all the actors involved happily just act on a
commit object these days.

Makefile patch | blob | history
git-pull-script patch | blob | history
git-resolve-script [new file with mode: 0644] patch | blob

diff --git a/Makefile b/Makefile
index 99b4753..a8d4175 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -13,7 +13,7 @@ CC=gcc
 AR=ar
 
 SCRIPTS=git-apply-patch-script git-merge-one-file-script git-prune-script \
-       git-pull-script git-tag-script
+       git-pull-script git-tag-script git-resolve-script
 
 PROG=   git-update-cache git-diff-files git-init-db git-write-tree \
        git-read-tree git-commit-tree git-cat-file git-fsck-cache \
diff --git a/git-pull-script b/git-pull-script
index 44cb6d5..d35a4a1 100755 (executable)
--- a/git-pull-script
+++ b/git-pull-script
@@ -6,54 +6,10 @@
 merge_repo=$1
 merge_name=${2:-HEAD}
 
-rm -f .git/MERGE_HEAD .git/ORIG_HEAD
-cp .git/HEAD .git/ORIG_HEAD
-
 echo "Getting object database"
 rsync -avz --ignore-existing $merge_repo/objects/. ${SHA1_FILE_DIRECTORY:-.git/objects}/.
 
 echo "Getting remote $merge_name"
 rsync -L $merge_repo/$merge_name .git/MERGE_HEAD || exit 1
 
-head=$(cat .git/HEAD)
-merge_head=$(cat .git/MERGE_HEAD)
-common=$(git-merge-base $head $merge_head)
-if [ -z "$common" ]; then
-       echo "Unable to find common commit between" $merge_head $head
-       exit 1
-fi
-
-# Get the trees associated with those commits
-common_tree=$(git-cat-file commit $common | sed 's/tree //;q')
-head_tree=$(git-cat-file commit $head | sed 's/tree //;q')
-merge_tree=$(git-cat-file commit $merge_head | sed 's/tree //;q')
-
-if [ "$common" == "$merge_head" ]; then
-       echo "Already up-to-date. Yeeah!"
-       exit 0
-fi
-if [ "$common" == "$head" ]; then
-       echo "Updating from $head to $merge_head."
-       echo "Destroying all noncommitted data!"
-       echo "Kill me within 3 seconds.."
-       sleep 3
-       git-read-tree -m $merge_tree && git-checkout-cache -f -a && git-update-cache --refresh
-       echo $merge_head > .git/HEAD
-       git-diff-tree -p ORIG_HEAD HEAD | diffstat -p1
-       exit 0
-fi
-echo "Trying to merge $merge_head into $head"
-git-read-tree -m $common_tree $head_tree $merge_tree
-merge_msg="Merge of $merge_repo"
-result_tree=$(git-write-tree  2> /dev/null)
-if [ $? -ne 0 ]; then
-       echo "Simple merge failed, trying Automatic merge"
-       git-merge-cache git-merge-one-file-script -a
-       merge_msg="Automatic merge of $merge_repo"
-       result_tree=$(git-write-tree) || exit 1
-fi
-result_commit=$(echo "$merge_msg" | git-commit-tree $result_tree -p $head -p $merge_head)
-echo "Committed merge $result_commit"
-echo $result_commit > .git/HEAD
-git-checkout-cache -f -a && git-update-cache --refresh
-git-diff-tree -p ORIG_HEAD HEAD | diffstat -p1
+git-resolve-script "$(cat .git/HEAD)" "$(cat .git/MERGE_HEAD)" "$merge_repo"
diff --git a/git-resolve-script b/git-resolve-script
new file mode 100644 (file)
index 0000000..c04c030
--- /dev/null
+++ b/git-resolve-script
@@ -0,0 +1,56 @@
+#!/bin/sh
+#
+# Resolve two trees.
+#
+head="$1"
+merge="$2"
+merge_repo="$3"
+
+rm -f .git/MERGE_HEAD .git/ORIG_HEAD
+echo $head > .git/ORIG_HEAD
+echo $merge > .git/MERGE_HEAD
+
+#
+# The remote name is just used for the message,
+# but we do want it.
+#
+if [ "$merge_repo" == "" ]; then
+       echo "git-resolve-script <head> <remote> <merge-repo-name>"
+       exit 1
+fi
+
+common=$(git-merge-base $head $merge)
+if [ -z "$common" ]; then
+       echo "Unable to find common commit between" $merge $head
+       exit 1
+fi
+
+if [ "$common" == "$merge" ]; then
+       echo "Already up-to-date. Yeeah!"
+       exit 0
+fi
+if [ "$common" == "$head" ]; then
+       echo "Updating from $head to $merge."
+       echo "Destroying all noncommitted data!"
+       echo "Kill me within 3 seconds.."
+       sleep 3
+       git-read-tree -m $merge && git-checkout-cache -f -a && git-update-cache --refresh
+       echo $merge > .git/HEAD
+       git-diff-tree -p ORIG_HEAD HEAD | diffstat -p1
+       exit 0
+fi
+echo "Trying to merge $merge into $head"
+git-read-tree -m $common $head $merge
+merge_msg="Merge of $merge_repo"
+result_tree=$(git-write-tree  2> /dev/null)
+if [ $? -ne 0 ]; then
+       echo "Simple merge failed, trying Automatic merge"
+       git-merge-cache git-merge-one-file-script -a
+       merge_msg="Automatic merge of $merge_repo"
+       result_tree=$(git-write-tree) || exit 1
+fi
+result_commit=$(echo "$merge_msg" | git-commit-tree $result_tree -p $head -p $merge_head)
+echo "Committed merge $result_commit"
+echo $result_commit > .git/HEAD
+git-checkout-cache -f -a && git-update-cache --refresh
+git-diff-tree -p ORIG_HEAD HEAD | diffstat -p1
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