47 lines
1.2 KiB
Bash
Executable File
47 lines
1.2 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2005 Junio C Hamano
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#
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# Fetch one or more remote refs and merge it/them into the current HEAD.
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. git-sh-setup || die "Not a git archive"
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orig_head=$(cat "$GIT_DIR/HEAD") || die "Pulling into a black hole?"
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git-fetch --update-head-ok "$@" || exit 1
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curr_head=$(cat "$GIT_DIR/HEAD")
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if test "$curr_head" != "$orig_head"
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then
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# The fetch involved updating the current branch.
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# The working tree and the index file is still based on the
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# $orig_head commit, but we are merging into $curr_head.
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# First update the working tree to match $curr_head.
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echo >&2 "Warning: fetch updated the current branch head."
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echo >&2 "Warning: fast forwarding your working tree."
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git-read-tree -u -m "$orig_head" "$curr_head" ||
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die "You need to first update your working tree."
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fi
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merge_head=$(sed -e 's/ .*//' "$GIT_DIR"/FETCH_HEAD | tr '\012' ' ')
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merge_name=$(
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perl -e 'print join("; ", map { chomp; s/^[0-9a-f]* //; $_ } <>)' \
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"$GIT_DIR"/FETCH_HEAD
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)
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case "$merge_head" in
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'')
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echo >&2 "No changes."
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exit 0
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;;
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*' '?*)
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echo >&2 "Pulling more than one heads; making an Octopus."
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exec git-octopus
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;;
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esac
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git-resolve \
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"$(cat "$GIT_DIR"/HEAD)" \
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$merge_head "Merge $merge_name"
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