别想了，装不上。
参考链接
http://wiki.eclipse.org/EGit/FAQ#Where_can_I_find_older_releases_of_EGit.3F
EGit released for Supported Version of Eclipse
3.2.0.201312181205-r planned - 4.3.2 (Kepler SR2) Eclipse 3.8.2/4.2.2 + (Juno)
3.1.0.201310021548-r N/A Eclipse 3.8.2/4.2.2 + (Juno)
3.0.3.201309161630-r 4.3.1 (Kepler SR1) Eclipse 3.8.2/4.2.2 + (Juno)
3.0.1.201307141637-r 4.3.0 (Kepler) Eclipse 3.8.2/4.2.2 + (Juno)
2.3.1.201302201838-r 3.8.2/4.2.2 (Juno SR2) Eclipse 3.7.2+ (Indigo) (except EGit Import Support feature, which is optional)
2.2.0.201212191850-r 3.8.1/4.2.1 (Juno SR1) Eclipse 3.7.2+ (Indigo) (except EGit Import Support feature, which is optional)
2.1.0.201209190230-r 3.8.1/4.2.1 (Juno SR1) Eclipse 3.5.2+ (Galileo) (except EGit Import Support feature, which is optional)
2.0.0.201206130900-r 3.8/4.2 (Juno) Eclipse 3.5.2+ (Galileo) (except EGit Import Support feature, which is optional)
1.3.0.201202151440-r 3.7.2 (Indigo SR2) Eclipse 3.5.2+ (Galileo)
1.2.0.201112221803-r 3.7.2 (Indigo SR2) Eclipse 3.5.2+ (Galileo)
1.1.0.201109151100-r 3.7.1 (Indigo SR1) Eclipse 3.5.2+ (Galileo)
1.0.0.201106090707-r 3.7.0 (Indigo) Eclipse 3.5.2+ (Galileo)