11 USAGE="usage: zit COMMAND FILE [ARGS...]"
21 echo "usage: zit list"
22 echo "Show tracked files, with a one-letter prefix indicating their status:"
25 echo " R removed/deleted"
26 echo " C modified/changed"
27 echo " K to be killed"
31 echo "usage: zit import FILE"
32 echo "Import history from an RCS-tracked file. Requires rcs-fast-export."
35 echo "usage: zit view FILE"
36 echo "Browse FILE's history with gitk"
41 echo "Set up a git repository under .zit.FILE to track changes for FILE."
42 echo "File must be a regular file and in the current directory."
45 echo " import Import RCS history for FILE"
46 echo " init Synonym for track"
47 echo " list Synonym for tracked"
48 echo " track Start tracking changes to FILE"
49 echo " tracked List tracked files in current directory"
50 echo " view Browse FILE's history with gitk"
52 echo "See 'zit help git' or 'git help' for git commands."
61 test $ZIT_FILE || abort "Please specify a file"
62 test -f $ZIT_FILE || abort "No such file $ZIT_FILE"
63 test $ZIT_FILE = "`basename $ZIT_FILE`" || abort "Sorry, Zit only works on files in the current directory"
65 export GIT_WORK_TREE="`pwd`"
67 # first, check if a repo exists already, looking for
68 # .zit/file.git or .file.git, in that order
69 # if neither is found, and .zit exists, set the repo dir
70 # to .zit/file.git, otherwise set it to .file.git
71 GIT_DIR="$ZIT_DIR/$ZIT_FILE.git"
72 if ! test -d "$GIT_DIR"; then
73 GIT_DIR=".$ZIT_FILE.git"
74 if ! test -d "$GIT_DIR"; then
75 test -d "$ZIT_DIR" && GIT_DIR="$ZIT_DIR/$ZIT_FILE.git"
81 # initialize the zitdir, without actually making the first commit
84 test -e $GIT_DIR && abort "$GIT_DIR exists, is $ZIT_FILE tracked already?"
85 mkdir $GIT_DIR && echo "Initializing Zit repository in $GIT_DIR"
86 test -d $GIT_DIR || abort "Failed to create $GIT_DIR"
87 git init || abort "Failed to initialize Git repository in $GIT_DIR"
88 rm -rf $GIT_DIR/{hooks,info,branches,refs/tags,objects/pack,description}
89 if test -d "$ZIT_DIR"; then
90 ZIT_EXCLUDE="$ZIT_DIR/exclude"
92 ZIT_EXCLUDE="$GIT_DIR/exclude"
94 if ! test -f "$ZIT_EXCLUDE"; then
95 touch "$ZIT_EXCLUDE" || abort "Cannot create $ZIT_EXCLUDE file"
96 echo "# Ignore patterns used by Zit repositories in the parent worktree." > "$ZIT_EXCLUDE"
97 echo "# By default it's the single '*' glob, since we want to ignore all" >> "$ZIT_EXCLUDE"
98 echo "# non-tracked files in the work-tree." >> "$ZIT_EXCLUDE"
99 echo "# This file is autogenerated and there's usually no need to edit it." >> "$ZIT_EXCLUDE"
100 echo "*" >> "$ZIT_EXCLUDE"
102 git config core.excludesfile "$ZIT_EXCLUDE"
108 git add -f $ZIT_FILE || abort "Failed to add $ZIT_FILE"
109 git commit "$@" || abort "Failed to make first commit for $ZIT_FILE"
111 if test -d "$ZIT_DIR"; then
112 echo "$ZIT_DIR exists already"
115 test -e $ZIT_DIR && abort "$ZIT_DIR exists but it's not a directory, cannot continue"
121 export GIT_WORK_TREE="`pwd`"
123 for file in "$ZIT_DIR"/*.git .*.git; do
124 if ! test -e $file; then
127 export GIT_DIR="$file"
131 (git ls-files -m -d -t; git ls-files -t) | uniq -f 1
133 # if $GIT_DIR is empty, no files were found
134 test "$GIT_DIR" || echo "(no files tracked by zit)"
137 # import an RCS-tracked file using rcs-fast-export, if found
139 which rcs-fast-export || abort "rcs-fast-export not found, I can't import RCS-tracked files, sorry"
141 # git-fast-import creates a pack file, so (re)build the objects/pack dir
142 mkdir -p $GIT_DIR/objects/pack
143 rcs-fast-export $1 | git-fast-import
144 # for some reason, rcs-fast-export | git-fast-import leaves the original
145 # file in 'deleted' state, a situation which is easily fixed by adding
171 # Most commands will work with the generic catch-all mechanism used
172 # below, but some of them require a more thorough analysis of the
173 # parameters to decide whether $ZIT_FILE should be put back into the
174 # parameter list or not. For example,
175 # $ zit commit somefile
176 # wouldn't do what one expects it to do, unless 'add' is run first,
179 # wouldn't work either), however
180 # $ zit commit somefile -a
181 # would work correctly. So we handle some commands separately (for the
182 # moment just add and commit)
186 git $cmd "$@" "$ZIT_FILE"
188 # the raw<command> method can be used to not replicate $ZIT_FILE in the